| Entries |
| Document | Title | Date |
|---|
| 20080201054 | Virtual sensor based engine control system and method - A method is provided for a virtual sensor system. The method may include obtaining data records associated with a plurality of input parameters and at least one output parameter and adjusting values of the input parameters based on autocorrelation of respective input parameters. The method may also include reconfiguring the input parameters based on cross-correlation of respective input parameters relative to the output parameter and establishing a first virtual sensor process model indicative of interrelationships between the adjusted and reconfigured input parameters and the output parameter. | 08-21-2008 |
| 20080201055 | Vehicle-use battery monitor apparatus - The vehicle-use battery monitor apparatus includes a first function of receiving a power generation rate indicative of an operating state of a vehicle alternator from a power generation control device, a second function of detecting a charge/discharge current of a vehicle battery, a third function of transmitting the power generation rate to an electronic control unit for controlling an output power of a vehicle engine in order that an idle-up control is performed depending on a value of the power generation rate, a fourth function of increasing the value of the power generation rate when it is determined that the vehicle battery is in a discharge state on the basis of a detection result by the second function, and a fifth function of generating a notification signal in accordance with which an indicator light makes an indication of the power generation rate being increased by the forth function. | 08-21-2008 |
| 20080208430 | Method And Device As Well As Computer Program For Controlling An Internal Combustion Engine - A method and a device as well as a computer program for controlling an internal combustion engine are provided, a torque model being used within the framework of calculating instantaneous variables and/or actuating variables. A correction of a basic value determined under standard conditions takes place in the process. In addition, to further improve the accuracy of the model, the efficiency for the conversion of the chemical into mechanical energy by which the optimum torque value is corrected, is determined at least as a function of a variable characterizing the combustion center point and a variable characterizing the opening instant of a discharge-side gas-exchange valve. | 08-28-2008 |
| 20080208431 | DIESEL ENGINE EXHAUST AFTER-TREATMENT OPERATOR INTERFACE ALGORITHM - A motor vehicle operator interface and control algorithm convey diesel particulate filter regeneration status to the operator. The algorithm also allows new control over heretofore automatic regeneration, through limiting the inhibit function. The DPF after-treatment operator interface provides multiple status indications to the operator. In a preferred embodiment this is effected using a switched indicator lamp. | 08-28-2008 |
| 20080215225 | Apparatus and Method For Controlling Internal Combustion Engine - A variable valve timing mechanism | 09-04-2008 |
| 20080215226 | Procedure to operate an internal combustion engine - A method for the transition of a gasoline engine with direct gasoline injection and with a variable valve train assembly from an initial mode of operation to a target mode of operation, whereby the initial mode of operation and the target mode of operation are either a mode of operation with an externally-supplied ignition or a mode of operation with a self-ignition, wherein the method comprises:
| 09-04-2008 |
| 20080221773 | Method for the automatic determination of the quality of a transition compensation - To achieve a better compensation of the wall film effect in the operation of a gasoline engine as well as an objective evaluation of the quality of the transition compensation, the characteristic of Lambda values and a load are automatically detected in a test phase during an operation of the gasoline engine having activated transition compensation. Relevant load changes are automatically extracted as a function of the ascertained characteristics and classified as a function of specifiable criteria. For each load change extracted, at least one quality value is automatically determined as a function of a deviation of the at least one assigned Lambda value from at least one specifiable Lambda value. Each ascertained quality value is then weighted as a function of the implemented classification. Subsequently, an overall quality is calculated from the weighted quality values. At least one statistical method is used for this purpose. | 09-11-2008 |
| 20080221774 | METHOD AND APPARATUS FOR DETERMINING A PARAMETER FOR NORMALIZED INSTANTANEOUS HEAT RELEASE IN AN INTERNAL COMBUSTION ENGINE - Operation of an internal combustion engine selectively operative in a controlled auto-ignition combustion mode is monitored. The engine is equipped with a pressure sensing device operative to monitor in-cylinder pressure. An analog signal output from the pressure sensing device is monitored during a combustion cycle. A peak cylinder pressure and a corresponding crank angle are detected and captured during the combustion cycle. A state for a combustion parameter for the cylinder for the combustion cycle is determined based upon the peak cylinder pressure and the corresponding crank angle. | 09-11-2008 |
| 20080228372 | OPTIMIZED FLEX FUEL POWERTRAIN - A fuel system and powertrain for a flexible fuel system vehicle utilizes a controller system to control variables in an engine and the final drive optimize operating efficiency of the vehicle while using an alcohol-gasoline blend. The controller system regulates engine operating variables such as fuel pressure, fuel flow, air-fuel flow, air-fuel temperature, and valve timing. The controller system regulates engine operating variables such as transmission gear selection and gear changing as well as differential ratio changes. | 09-18-2008 |
| 20080228373 | Control device and control method of internal combustion engine - An ECU executes a program including steps of estimating an oil temperature based on a water temperature sensed by a water temperature sensor, setting NE( | 09-18-2008 |
| 20080234915 | CONTROL DEVICE FOR HYBRID VEHICLE DRIVING DEVICE, AND CONTROL METHOD FOR THE DRIVING DEVICE - A hybrid vehicle driving device is capable of causing a motor-powered travel of a hybrid vehicle in which only an electric motor is used as a drive force source, by driving the electric motor with electric power from an electric storage device while a rotational driving of an internal combustion engine has been stopped. A control device for the hybrid vehicle driving device includes a rotational drive portion that determines whether or not supply of a lubrication oil to at least a portion of the power transmission device by the lubrication oil supply device is necessary based on a travel distance in the motor-powered travel following a stop of the rotational driving of the internal combustion engine, and rotationally drives the internal combustion engine based on determination as to need for the supply of the lubrication oil. | 09-25-2008 |
| 20080243353 | ENGINE POWER STORAGE DEVICE AND METHOD - A power storage device is provided for a motor vehicle. An engine control unit (ECU) is configured to receive measurements of one or more engine and/or vehicle conditions and to determine an amount of unused engine power based upon the measurements and upon a nominal power rating of the engine when the engine is operated below the nominal power rating. The value of the amount of unused engine power is stored in memory as stored power. | 10-02-2008 |
| 20080243354 | Prediction based engine control system and method - A prediction based engine control system is disclosed. The engine control system may have sensor configured to sense a current engine operation and generate a corresponding signal and a controller in communication with the sensor. The controller may be configured to receive the signal, compare the current engine operation to an allowable range of engine operation, predict a future engine operation based on the signal, and limit current engine operation based on the prediction, even when the current engine operation is within the allowable range of operation. | 10-02-2008 |
| 20080243355 | FULL RANGE TORQUE REDUCTION - An engine control system comprises a torque request module, an immediate torque control module, an actuation module, and an expected torque control module. The torque request module generates an expected torque request and an immediate torque request. The immediate torque control module controls a spark advance of an engine based on the immediate torque request. The actuation module selectively reduces the expected torque request based on the immediate torque request and a spark capacity. The spark capacity is based on a difference between a first engine torque and a second engine torque, determined at a current airflow. The first engine torque is determined at a first spark advance and the second engine torque is determined at a second spark advance that is less than the first spark advance. The expected torque control module that controls a throttle valve area based on the expected torque request. | 10-02-2008 |
| 20080243356 | METHOD AND APPARATUS FOR CONTROLLING FUEL REFORMING UNDER LOW-LOAD OPERATING CONDITIONS USING EXHAUST RECOMPRESSION IN A HOMOGENEOUS CHARGE COMPRESSION IGNITION ENGINE - A direct injection spark ignition multi-cylinder internal combustion engine operative in a controlled auto-ignition combustion mode includes a direct fuel injection system, a spark ignition system and a controllable engine valve system. The air/fuel ratio in the exhaust gas feedstream and an intake mass air flow are measured and an actual air/fuel ratio is calculated based upon the intake mass air flow and engine fueling. Magnitude of a negative valve overlap period between an exhaust valve closing and an intake valve opening is adjusted based upon the measured mass air flow. Timing of pre-injection fueling is adjusted during the negative valve overlap period based upon the measured air/fuel ratio. | 10-02-2008 |
| 20080243357 | DRIVING AMOUNT CONTROLLER - A driving amount controller for reducing a response delay or erroneous deviation in control of a driving amount of a controlled system. The driving amount controller includes an ECU that increases an add-in amount to a duty ratio DUT of a control signal according to an increase in the speed variation ΔDTHR of a target opening DTRH of the throttle valve | 10-02-2008 |
| 20080243358 | COMBUSTION CONTROLLER FOR COMPRESSION-IGNITION DIRECT-INJECTION ENGINE AND ENGINE CONTROL SYSTEM FOR THE SAME - As a compression-ignition direct-injection engine combustion controller, a program for detecting ignition timing of a main injection Mn (main ignition timing), a program for correcting a command value of main injection execution timing in a direction to the side where a detection value is converged within a predetermined range, a program for determining whether or not the corrected command value is within a predetermined range, and a program for, when it is determined that the command value is not within the range, correcting a command value related to an injection amount of a pilot injection Pt based on whether or not the command value is on a delay side or an advance side of the range. | 10-02-2008 |
| 20080243359 | General-purpose internal combustion engine - In a general-purpose internal combustion engine connectable to operating machines such as a snowplow, a washing machine and a wood chipper having an electronic control unit that controls operation of the operating machine when connected, there are provided a signal output terminal that is installed in the electronic control unit and outputs a signal generated by the electronic control unit to the operating machine and a signal selector constituted by a personal computer that selects a signal to be outputted by the signal output terminal from among signals in response to manipulation by an operator. The engine can be easily connected with any operating machine without a complicated electronic control unit, thereby improving versatility and convenience. | 10-02-2008 |
| 20080249696 | Method and device for operating a drive unit - A method and a device for operating a drive unit which enable better torque coordination for a speed controller. A load-reversal damping component is provided, which filters a first setpoint value for an output variable of the drive unit to damp a load reversal. A speed controller is provided, which specifies a second setpoint value for the output variable of the drive unit in order to adjust an actual value for an engine speed of the drive unit to a setpoint value for the engine speed. A first component of the second setpoint value for the output variable specified by the speed controller is taken into account in the formation of the first setpoint value. A remaining second component of the second setpoint value for the output variable specified by the speed controller, together with the filtered first setpoint value, is taken into account only when forming a resulting third setpoint value for the output variable, the first component of the second setpoint value for the output variable specified by the speed controller being formed as a function of at least one characteristic of the load-reversal damping component, in such a way that it is not or only negligibly affected by the filtering. | 10-09-2008 |
| 20080255747 | Device for Controlling an Internal Combustion - A device for controlling an internal combustion engine includes a control unit that reads out data from a data medium and/or writes data into this data medium and uses it for control, the data medium being assigned to at least one actuator, and this actuator containing characterizing data. The data is read out from the data medium and/or the data is written into the data medium by an oscillating circuit, whose components are situated in the control unit and/or in a circuit assigned to the actuator. | 10-16-2008 |
| 20080255748 | Control device for hybrid vehicle drive apparatus - When the power transmitting path in an automatic shifting portion ( | 10-16-2008 |
| 20080262694 | METHOD AND APPARATUS TO OPTIMIZE ENGINE WARM UP - There is provided a method and an apparatus to minimize energy loss of an internal combustion engine during engine warm-up. This includes monitoring engine operating conditions, and estimating a future energy loss. A power loss and a rate of change in the estimated future energy loss are determined. An engine control scheme effective to minimize the power loss and the rate of change in the estimated future energy loss is executed during the engine warm-up. | 10-23-2008 |
| 20080262695 | Engine mode transition utilizing dynamic torque control - A method of operating an engine having a plurality of cylinders, the method comprising of transitioning the engine from a first mode to a second mode, and temporarily adjusting an amount of torque produced by a cylinder of the engine for at least one cycle responsive to a difference in an amount of torque produced by a previous firing cylinder and a subsequent firing cylinder. | 10-23-2008 |
| 20080281496 | Cam phaser compensation in a hybrid vehicle system - A method of regulating a torque output of an internal combustion engine in a hybrid electric vehicle includes determining whether a cam phaser system of the engine is in one of an inactive state and an active state and monitoring at least one engine operating parameter. An engine torque array is selected from a plurality of engine torque arrays based on the one of the inactive state and the active state. An available engine torque is determined based on the engine torque array and the at least one engine operating parameter and the engine is regulated based on the available engine torque. | 11-13-2008 |
| 20080281497 | Engine Controller - In an engine controller capable of carrying out spark ignition type combustion and compressed self-ignition type combustion, in order to suppress operation performance deterioration and exhaust performance deterioration at the time of switching a combustion mode from the compressed self-ignition type combustion to the spark ignition type combustion, intake pipe pressure downstream a throttle is quickly reduced by making the throttle opening degree smaller than a target throttle opening degree of the spark ignition type combustion immediately after switching for a certain period during the combustion mode is switched from the compressed self-ignition type combustion to the spark ignition type combustion. As a result, responsiveness of an intake amount at the time of switching the combustion mode from the compressed self-ignition type combustion to the spark ignition type combustion is enhanced, and combustion switching without exhaust deterioration and torque variation is realized. | 11-13-2008 |
| 20080288155 | CONTROL DEVICE FOR AN INTERNAL COMBUSTION ENGINE - Provided is a control device for an internal combustion engine, including a crank angle sensor, a cam angle sensor, a real phase angle detector for detecting a real phase angle of a cam shaft based on a detection signal of the sensors, a target phase angle setting unit including a temperature parameter and battery voltage, for setting a target phase angle of the cam shaft based on an operating state of the internal combustion engine, and a phase angle feedback control unit for conducting feedback control operation so that the real phase angle coincides with the target phase angle, and for calculating an operation quantity to a hydraulically controlled solenoid valve, in which the feedback control unit sets an integral term initial value when starting the feedback control operation according to the temperature parameter, corrects a control correction quantity by the battery voltage, and outputs the operation quantity to the solenoid valve. | 11-20-2008 |
| 20080288156 | Engine Control Apparatus and Engine Control Method - A target engine torque after an environmental correction is calculated by interpolating it between an environmentally corrected maximum engine torque and an environmentally corrected minimum engine torque such that a ratio of a nominal target engine torque between a nominal maximum engine torque and a nominal minimum engine torque under a predetermined environmental condition becomes essentially equal to a ratio of the target engine torque between the environmentally corrected maximum engine torque and the environmentally corrected minimum engine torque. The environmentally corrected maximum engine torque is obtained by multiplying the nominal maximum engine torque and a correction coefficient according to the environmental condition together. | 11-20-2008 |
| 20080294323 | Apparatus and Method for Calculating Work Load Engine - A device and method for calculating the work load of an engine more efficiently and accurately. The device for calculating the work load of an engine comprises a means for determining a desired frequency component to calculate the work load of the engine obtained through frequency decomposition of the volume variation rate of the engine. The device further comprises a first calculating means for calculating a first correlation coefficient between the volume variation rate and a reference signal composed of a frequency corresponding to the determined component, and a second calculating means for calculating a second correlation coefficient between the cylinder inner pressure of the engine and a reference signal composed of a frequency corresponding to the determined component. The work load of the engine is calculated using the first and second correlation coefficients. | 11-27-2008 |
| 20080294324 | Engine Control Unit - An engine control unit for controlling an automobile engine, which is equipped with a booster circuit for boosting the voltage of battery power source, an injector driving circuit for driving an injector by making use of a boosted high voltage, and a microcomputer for controlling the engine; wherein the engine control unit is featured in that an LC module mounted with a booster coil constituting the booster circuit and with an electrolytic capacitor, a power module mounted with a rectifying device constituting the booster circuit and the injector driving circuit and with a switching device, and a control circuit board mounted with the microcomputer and with a connector acting as an interface for an external member of the engine control unit are laminated each other. The power module is partitioned into at least two portions and fixedly contacted, through a heat radiation part, with a housing cover, and heat radiation fins are arranged on an outer surface of the housing cover where the power module is disposed. | 11-27-2008 |
| 20080294325 | Controller of internal combustion engine - A controller includes a first intermediate mode which, when the operation mode of an internal combustion engine is shifted from a compression ignition operation mode to a spark ignition operation mode, is interposed between both the operation modes, and a second intermediate mode which, when the operation mode of the internal combustion engine is shifted from the spark ignition operation mode to the compression ignition operation mode, is interposed between both the operation modes. An air supply amount and a fuel supply amount to a combustion chamber is controlled so that the air-fuel ratio of an air-fuel mixture becomes rich gradually in the first intermediate mode, and the air supply amount and the fuel supply amount to the combustion chamber is controlled so that the air-fuel ratio of the air-fuel mixture becomes lean gradually in the second intermediate mode. As a result, when the operation mode of the internal combustion engine is switched between the compression ignition operation mode and the spark ignition operation mode, it becomes possible to suppress fluctuations in the output torque of the internal combustion engine, etc. and smoothly perform the switching. | 11-27-2008 |
| 20080300768 | Engine control apparatus - A storage unit provided in an engine control device stores three kinds of mode maps having different engine output characteristics. One of the mode maps is selected in accordance with the driving conditions, and a target torque is set by referring to the selected mode map using an engine speed and an accelerator opening-degree as parameters. A throttle opening-degree signal corresponding to the target torque is output to a throttle actuator, and an operation of opening or closing the throttle valve is performed in response to the throttle opening-degree signal. | 12-04-2008 |
| 20080306671 | Transient Engine Performance Adaptation Method And System - The present invention makes it possible to cope with a plurality of standardized transient operation modes in a method for adapting the engine transient characteristic to a required performance targets and a system therefore. When there are a plurality of prescribed standardized transient operation modes, transient testing is conducted in a single transient operation mode that covers changing patterns of control values of control factors of the plurality of transient operation modes. Only data in a data distribution range to be focused on is captured to create a transient engine model. | 12-11-2008 |
| 20080306672 | METHOD FOR CHANGING THE OPERATING MODE OF AN INTERNAL COMBUSTION ENGINE - In a method for changing the operating mode in an internal combustion engine it is possible to switch between an operating mode with spark ignition of the engine and an operating mode with auto-ignition of the engine. Hereby, a first map is provided in which at least one range is specified in which a suitable auto-ignition of the engine can take place. After the engine start, therefore, it is determined whether the engine has reached an operating point lying within this range of the first map in order then to switch the engine to the operating mode in which auto-ignition can take place reliably. | 12-11-2008 |
| 20080306673 | EXHAUST EMISSION CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - An exhaust emission control device for an internal combustion engine, capable of supplying a just enough amount of reducing agent to a selective reduction catalyst even when a NOx purification ratio of the catalyst is changed by various causes, thereby enabling a high NOx purification ratio and very low exhaust emissions to be maintained. An ECU calculates a filtered value based on a signal from an exhaust gas concentration sensor, calculates a moving average value of a product of the filtered value and a reference input, calculates a control input such that the moving average value becomes equal to 0, and adds a reference input to the control input to calculate an FB injection amount. The ECU calculates an FF injection amount with a predetermined feedforward control algorithm, and adds the FF injection amount to the FB injection amount, to thereby calculate a urea injection amount. | 12-11-2008 |
| 20080306674 | Method For Controlling Combustion In An Internal Combustion Engine And Predicting Performance And Emissions - This disclosure teaches a method of controlling a direct injection internal combustion engine and predicting the behavior of a direct injection internal combustion engine. An estimation of initial cylinder pressure, air flow and EGR flow (if applicable) is used to establish a system that provides engine behavior by integrating an injection module, combustion module and engine control module to provide data indicative of engine behavior such as brake torque and power, air flow, EGR flow, cylinder pressure, brake specific fuel consumption, start of combustion, heat release rate, turbo-charger speed and other variables. These values can then be used to adjust commanded variables such as start of injection, commanded pulse width, rail pressure to meet operator demand. Also the output data can be used as a tool to determine how a conceptualized engine design will behave. This is particularly useful for gaseous-fuelled internal combustion engines where cylinder pressure influences behavior of injected gases in light of the fact that rail pressure and cylinder pressure are, generally, of a similar magnitude. | 12-11-2008 |
| 20080319631 | METHOD AND DEVICE FOR OPERATION OF THE GLOW PLUGS OF A DIESEL ENGINE - A method and device for operation of glow plugs of a Diesel engine in which the type of glow plugs used is determined, by a parameter typical of the glow plugs, for example, the electrical glow plug resistance, being detected and evaluated. The detected values of the parameter typical of the glow plugs are compared with corresponding data for various types of glow plugs stored in the glow controller to determine the type(s) of glow plug(s) in the engine. After identification of the type(s) of glow plug(s), stored sets of parameters, which correspond to the type(s) of glow plug(s) determined, are likewise called upon to control the glow plugs. | 12-25-2008 |
| 20080319632 | Combustion Control Apparatus and Method for Internal Combustion Engine - A control apparatus for an internal combustion engine includes cylinder internal pressure sensors provided in each cylinder of an engine, and calculates a heat generation quantity in each cylinder based on the detected cylinder internal pressure and a crank angle. The control apparatus then obtains a combustion barycentric position, which is the crank angle at which a predetermined ratio of heat, of the total heat generation quantity in a combustion cycle, is generated. The control apparatus also calculates, based on the heat generation quantity, an actual starting point of combustion, which is a crank angle at which combustion actually started in the cylinder, and obtains the crank angle of the relative combustion barycentric position with respect to the actual starting point of combustion. When this crank angle exceeds an upper limit value, it is determined that combustion has truly deteriorated. | 12-25-2008 |
| 20090005953 | METHOD AND ASSOCIATED DEVICE FOR SENSING THE AIR/FUEL RATIO OF AN INTERNAL COMBUSTION ENGINE - A method of sensing the air/fuel ratio in a combustion chamber of an internal combustion engine that may be easily implemented by a respective low-cost device includes a pressure sensor and a learning machine that generates a sensing signal representing the air/fuel ratio by processing the waveform of the pressure in at least one cylinder of the engine. In practice, the learning machine extracts characteristic parameters of the waveform of the pressure and as a function of a certain number of them generates the sensing signal. | 01-01-2009 |
| 20090005954 | Combustion control in an internal combustion engine - The present invention relates to: self-tuning engine control algorithms using inputs from transducers that measure pressure in the engine cylinders, and from an engine crankshaft rotational position sensor; methods of processing the input signals to “self-tune” or learn accurate values for a) pressure transducer voltage offset, b) crank position encoder error and c) engine compression ratio; improved pressure-ratio-based algorithms for calculating cylinder heat release fraction as a function of crank angle. | 01-01-2009 |
| 20090012692 | Vehicle and Control Device and Control Method for the Same - A motorcycle includes a carburetor, an electronically controlled opening/closing valve that opens and closes an intake passage, an ECU that controls the opening/closing valve, a main switch, an engine start switch and a rotation speed sensor. The ECU causes the opening/closing valve to perform a determined initial operation if a determined condition is satisfied when the main switch is turned on. If the determined condition is not satisfied when the main switch is turned on, the determined initial operation is performed when the rotation speed of the engine has reached a determined rotation speed range after the engine has been started. To ensure that an initial operation of an opening/closing valve that opens and closes an intake passage is performed with a high degree of reliability. | 01-08-2009 |
| 20090012693 | CONTROL SYSTEM FOR DETERMINING MASS AIR FLOW - A system and method comprises receiving a mass air flow signal having a frequency that varies based on mass air flow in an intake manifold of an engine, determining first period data from the mass air flow signal, deriving first mass data for the mass air flow signal based on the first period data, cumulating the first period data and the first mass data for N cylinder events, wherein N is an integer greater than 1, and calculating a mass air flow between the N cylinder events from the cumulated first period data and the cumulated first mass data. | 01-08-2009 |
| 20090012694 | THERMAL DETECTION AND PROTECTION OF VEHICLE HARDWARE - A control module comprises a thermal detection module and a protection module. The thermal detection module receives temperature data of a particulate matter filter and determines a temperature based on the temperature data. The protection module selectively reduces output of an engine when the temperature is greater than a temperature threshold. A method comprises receiving temperature data of a particulate matter filter and selectively reducing output of an engine when a temperature based on the temperature data is greater than a temperature threshold. | 01-08-2009 |
| 20090012695 | Method of operating glow plugs in diesel engines - The invention describes a method for operating glow plugs in a diesel engine that comprises a housing and a heater element projecting beyond that housing which interacts with an engine control unit and a glow plug control unit which, following a preheating phase, controls the electric power supplied to the glow plugs in dependence on an input received from the engine control unit. According to the invention it is provided that the engine control unit determines a value representative of a temperature that is to be reached at the heater element and the engine control unit transmits that value as target value to the glow plug control unit which converts that target value using an algorithm stored in the glow plug control unit and taking into account the characteristic values stored in the glow plug control unit. | 01-08-2009 |
| 20090018746 | Method and Apparatus For Measuring and Correcting an In-Cylinder Pressure Measurement - A method and apparatus for obtaining a corrected engine operational parameter value, using cylinder pressure information. A real pressure sensor signal output from a sensor ( | 01-15-2009 |
| 20090018747 | EXHAUST VALVE CONTROL METHOD AND EXHAUST VALVE CONTROL DEVICE FOR DIESEL ENGINE - An exhaust valve control method for a diesel engine | 01-15-2009 |
| 20090018748 | SYSTEM AND METHOD FOR A PUMPING TORQUE ESTIMATION MODEL FOR ALL AIR INDUCTION CONFIGURATIONS - A system and method for controlling an engine involves providing a pumping torque estimation model. The model distinguishes between pumping losses due to throttling and pumping losses due to valve flow losses. The model is implemented by a pair of look-up tables. The data in each look-up table reflect Pumping Mean Effective Pressure (PMEP), which is indicative of the pumping work. The throttling loss table provides a first contribution based on an engine delta pressure. The valve flow loss table provides a second contribution based on an engine speed and a relative airload. The first and second contributions are summed and then multiplied by a predetermined factor to convert the pumping work (PMEP) into pumping torque. The model will work with naturally-aspirated, turbo-charged and super-charged air induction configurations and provides improved altitude compensation. The model will also work with both spark-ignition and compression-ignition configurations. | 01-15-2009 |
| 20090024296 | SYSTEM AND METHOD FOR ESTIMATING VOLUMETRIC EFFICIENCY FOR ENGINES WITH INTAKE AND EXHAUST CAM PHASERS - An engine control module comprises a table that outputs a parked VE estimate based on an input parameter when intake and exhaust cam phasers of an engine are in a parked position. A calculation module calculates VE estimate when the intake and exhaust cam phasers are not in a parked position based on the parked VE estimate and a mathematical relationship. | 01-22-2009 |
| 20090024297 | METHOD AND DEVICE FOR CONTROLLING AN INTERNAL COMBUSTION ENGINE - In a method and a device for controlling an internal combustion engine ( | 01-22-2009 |
| 20090024298 | ENGINE CONTROL AND METHOD FOR DETERMINING THE PRESSURE IN A COMBUSTION CHAMBER OF AN INTERNAL COMBUSTION ENGINE - In an engine control for an internal combustion engine ( | 01-22-2009 |
| 20090030586 | VALVETRAIN DRIVE STRETCH COMPENSATION FOR CAMSHAFT TO CRANKSHAFT CORRELATION - A method of correlating a rotational position of a crankshaft to a rotational position of a camshaft includes determining a stretch value of a timing connection, which drivingly couples the crankshaft and the camshaft, and calculating a crankshaft to camshaft rotational position value indicative of the rotational position of the crankshaft with respect to the rotational position of the camshaft. The crankshaft to camshaft rotational position value is compensated based on the stretch value to provide a compensated crankshaft to camshaft rotational position value and whether the rotational position of the crankshaft correlates to the rotational position of the camshaft is determined based on the compensated crankshaft to camshaft rotational position value. | 01-29-2009 |
| 20090037074 | Control system for plant - A control system for a plant can include a feedback control input which can be calculated so that a controlled output of said plant coincides with a target value. A hold control input can be calculated according to an operating condition of said plant. A control input to said plant is set to the feedback control input when a control deviation between the controlled output and a target value is greater than a predetermined threshold value, and the control input is set to the hold control input when the control deviation is equal to or less than the predetermined threshold value. The feedback control input is made to gradually approach to or coincide with the hold control input when the control input is set to the hold control input. | 02-05-2009 |
| 20090037075 | Control system for plant - A control system for a plant, including a sliding mode controller and a transfer characteristic adjusting module. The sliding mode controller calculates a feedback control input with a sliding mode control so that an controlled output of the plant coincides with a target value. The transfer characteristic adjusting module is connected to an output of the sliding mode controller, and has a transfer characteristic set according to a transfer function of a controlled object model which is obtained by modeling the plant. A control input to the plant is set to an output of the transfer characteristic adjusting module. The transfer characteristic of the transfer characteristic adjusting module is set so that a composite transfer function indicative of a transfer characteristic which is obtained by combining the transfer characteristic of the transfer characteristic adjusting module and a transfer characteristic of the controlled object model, coincides with a desired target transfer function. | 02-05-2009 |
| 20090043476 | Motor Vehicle and Control Method of Motor Vehicle - In a hybrid vehicle of the invention, when a voltage level E of a low-voltage battery exceeds a preset alert reference value Eth1 (step S | 02-12-2009 |
| 20090048757 | CONTROL STRATEGY FOR TRANSITIONING AMONG COMBUSTION MODES IN AN INTERNAL COMBUSTION ENGINE - An internal combustion engine is selectively operative in one of a plurality of combustion modes. Engine operation is monitored and program code is concurrently executed to operate the engine in a first combustion mode and in a second combustion mode. The engine is preferentially operated in the second combustion mode when the engine operation is within a predetermined area, and selectively operated in the first combustion mode based upon the monitored engine operation. | 02-19-2009 |
| 20090055072 | TURBO SPEED SENSOR DIAGNOSTIC FOR TURBOCHARGED ENGINES - A method of diagnosing operation of a turbo speed sensor that monitors a turbocharger in an internal combustion engine system includes determining whether the engine system is operating in one of a high speed and a low speed range and determining a threshold turbo speed value based on whether engine system is operating in one of the high speed and the low speed range. An actual turbo speed value of the turbocharger is monitored based on a signal generated by the turbo speed sensor. The actual turbo speed value is compared to the threshold turbo speed value and a diagnostic signal is generated based on the step of comparing. | 02-26-2009 |
| 20090055073 | Vehicular engine control apparatus - An engine control apparatus for a vehicle provided with a drive system including an engine and a transmission portion which constitutes a part of a power transmitting path, the engine control including an engine control portion configured to change a timing of initiation or a method of a control of the engine according to contents of a requirement for implementing the control of the engine, when the control of the engine and a shifting control of said transmission portion are concurrently required to be implemented. | 02-26-2009 |
| 20090055074 | Control for determining a firing timing of an internal-combustion engine - A control for determining a firing timing of an engine is provided. An in-cylinder pressure is detected at a predetermined time interval. An in-cylinder pressure for every predetermined crank angle is calculated based on the detected in-cylinder pressure. A motoring pressure in a case where combustion is not performed in the engine is estimated. It is detected that a pressure difference between the calculated in-cylinder pressure and the motoring pressure has exceeded a determination value. A time point is identified, as a firing timing, at which the pressure difference has exceeded a determination value with a finer resolution than the resolution of the predetermined crank angle interval through an interpolation calculation. The interpolation calculation uses a first crank angle when it is detected that the pressure difference has exceeded the determination value, the pressure difference corresponding to the first crank angle, a second crank angle previous to the first crank angle by the predetermined crank angle and a pressure difference corresponding to the second crank angle. | 02-26-2009 |
| 20090055075 | METHOD FOR IDENTIFYING THE THRESHOLDS AT WHICH POLLUTANT GASES ARE EMITTED WITH A VIEW TO CONTROLLING THE OPERATION OF A MOTOR VEHICLE IN STOP AND START MODE - Method for identifying the thresholds at which pollutant gases are emitted with a view to controlling the operation in “stop and start” mode by stopping an engine just before and while a motor vehicle is stationary, whereby, upon each re-start, the amount of fuel injected is calculated, and the difference between the amount of fuel injected and the normal amount of fuel needed is calculated, the said resulting quantity being considered to represent the amount of fuel that was injected but not burnt; the said amount of fuel injected but not burnt is then compared against a predetermined threshold value, according to the distance covered, and finally, “stop and start” operation is or is not inhibited according to whether the said amount of fuel injected but not burnt is above or below the predetermined threshold value. | 02-26-2009 |
| 20090063006 | Driving Authorisation System Comprising An Electronic Immobiliser Function - A driving authorization system comprises an electronic immobilizer function which is coupled to a rotary shaft sensor. The rotary shaft sensor senses the position and/or rotational speed of the rotary shaft by means of a pickup wheel arranged on a rotary shaft, and transmits that information to a vehicle control unit which enables the electronic immobilizer function. According to the invention, the pickup wheel comprises a predefined number of teeth which are arranged distributed along the circumference of the pickup wheel to a code, and an encoded rotational speed signal which is picked up by the rotary shaft sensor and can be decoded by the vehicle control unit. The vehicle control unit enables the immobilizer function only after successful decoding of the encoded rotational speed signal. A synchronization time for detecting a specific position of the rotary shaft is part of the encoded rotational speed signal. | 03-05-2009 |
| 20090063007 | POWER CONTROLLER FOR HYBRID VEHICLE - An operation point of the engine where the fuel economy is optimal is obtained based on an iso-fuel-economy curve which is defined by engine speed and engine torque. Each of the operation points is connected to each other to form an efficiency characteristic line on which the demand operation point is computed. When the operation point of the engine is moved in a direction in which the fuel economy is improved, the moving speed of the operation point is increased so that the operation point rapidly moves to the point of high fuel economy as soon as possible. Contrary, when the operation point moves in a direction where the fuel economy is deteriorated, the moving speed of the operation point of the engine is decreased so that the operation point can be moved toward the point of low fuel economy as slow as possible. | 03-05-2009 |
| 20090063008 | CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - A control apparatus for an internal combustion engine, includes: a crankshaft; a crank angle detection unit; a generator; and a control unit to which alternating voltage signals are input, that ascertains ignition timings based on crank signals, performs ignition control so as to spark the internal combustion engine at the ignition timings, performs polarity determination processing in which the control unit determines a polarity of the alternating voltage signal each predetermined cycle and determines a current polarity determination result, and performs reverse rotation detection processing in which the control unit obtains the current polarity determination result each time the crank signal is detected so that the control unit ascertains a polarity cycle of the alternating voltage signals and in which the control unit determines that the crankshaft is in reverse rotation and stops the ignition control. | 03-05-2009 |
| 20090063009 | VEHICLE AND CONTROL METHOD OF VEHICLE - In a vehicle of the invention, the lower between a first permissive water temperature based on an outside air temperature Tout and an elapsed time since system activation and a second permissive water temperature based on a target air outlet temperature in an air conditioning system is set to an intermittent operation permissive water temperature. When a cooling water temperature of an engine is not lower than the set intermittent operation permissive water temperature, intermittent operation of the engine is permitted. When the cooling water temperature of the engine is lower than the set intermittent operation permissive water temperature, on the other hand, intermittent operation of the engine is prohibited. This arrangement ensures appropriate control of the intermittent operation of the engine and thus effectively improves the fuel efficiency of the vehicle. | 03-05-2009 |
| 20090069999 | ONBOARD TRIP COMPUTER FOR EMISSIONS SUBJECT TO REDUCTION CREDITS - Methods and a system are provided for monitoring and processing the emissions footprint of one or more vehicles. An embodiment of an onboard vehicle method involves the collection of vehicle data from onboard data sources and the computation of an emissions value from the vehicle data. The emissions value indicates a total amount of a substance, such as carbon dioxide, released from the vehicle during a measurement period. The method also generates indicia of the emissions value with an onboard subsystem. | 03-12-2009 |
| 20090070000 | CONTROL APPARATUS - When a variable valve lift control apparatus is in a steady condition, a fluctuation control is performed. In the fluctuation control, a target lift amount is increased by a fluctuation width during an up-time and then the target lift amount is decreased by the fluctuation width during a down-time which is longer than the up-time to be returned to an original value. A decreasing amount of the integral term is greater than the increasing amount thereof. Consequently, the integral term can be made smaller than the original value. Even when a control duty is a larger value due to a hysteresis, the fluctuation control gradually decreases the increment of the integral term and converges the control duty to the small value. | 03-12-2009 |
| 20090070001 | CONTROLLER FOR HYBRID VEHICLE - A fuel vapor treatment apparatus includes: a detection passage provided with a restrictor therein; a pump generating a gas-flow in the detection passage; and a differential pressure sensor detecting a pressure loss at the restrictor. A fuel vapor concentration is computed based on a pressure loss when air passes through the detection passage and a pressure loss when an air-fuel mixture passes through the detection passage. When the computed fuel vapor concentration reaches a specified value, an internal combustion engine is started and the fuel vapor treatment apparatus starts to supply the fuel vapor adsorbed by the canister to the internal combustion engine. | 03-12-2009 |
| 20090076703 | SYSTEMS AND METHODS FOR ESTIMATING RESIDUAL GAS FRACTION FOR INTERNAL COMBUSTION ENGINES USING ALTITUDE COMPENSATION - An engine control system comprises a first factor calculating module that calculates a first factor based on intake cam position (ICAM), exhaust cam position (ECAM), engine speed (RPM) and first calibration factors. A second factor calculating module calculates a second factor based on ICAM, ECAM, RPM and second calibration factors. A residual gas fraction (RGF) estimating module estimates a RGF value based on the first factor adjusted for altitude and said second factor. A method comprises calculating a first factor based on intake cam position (ICAM), exhaust cam position (ECAM), engine speed (RPM) and first calibration factors; calculating a second factor based on ICAM, ECAM, RPM and second calibration factors; and estimating a residual gas fraction (RGF) value based on the first factor adjusted for altitude and said second factor. At least one engine operating parameter is adjusted based on the RGF value. | 03-19-2009 |
| 20090076704 | CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - A control apparatus for an internal combustion engine, includes: a crankshaft; a crank angle detection unit that outputs a crank signal; a generator that rotates in synchronization with the rotation of the crankshaft, and that outputs alternating voltage signals with one-phase; and a control unit, to which the alternating voltage signals are input, that ascertains ignition timings based on the crank signals, performs ignition control so as to spark the internal combustion engine at the ignition timings, determines a polarity of the alternating voltage signal each time the crank signal is detected, ascertains a polarity cycle of the alternating voltage signals based on the determination result of the polarity, and determines that a failure has occurred in the generator when the polarity cycles do not continuously coincide multiple times with the polarity cycles at the time of forward rotation of the crankshaft. | 03-19-2009 |
| 20090082936 | APPARATUS, SYSTEM, AND METHOD FOR PREVENTING TURBOCHARGER OVERSPEED IN A COMBUSTION ENGINE - An apparatus, system, and method are disclosed for preventing turbocharger overspeed in a combustion engine. The method includes determining a turbocharger error term as a difference between a nominal turbocharger maximum speed and a current turbocharger speed. The method further includes determining a turbocharger speed derivative with respect to time. The method includes calculating a turbocharger control response based on the turbocharger error term and the turbocharger speed derivative with respect to time. The turbocharger control response may be a modified turbocharger maximum speed calculated by determining a reference speed multiplier based on the turbocharger error term and the turbocharger speed derivative with respect to time, and multiplying the reference speed multiplier by the nominal turbocharger maximum speed. The method thereby smoothly anticipates turbocharger transient events, and prevents an overspeed condition of the turbocharger. | 03-26-2009 |
| 20090088943 | Method for Regulating the Lambda Value of an Internal Combustion Engine - The invention relates to a method for regulating the lambda value of an internal combustion engine with a catalytic converter for subsequently treating the exhaust gases of the internal combustion engine, with a binary lambda probe, which is mounted upstream from the catalytic converter and which senses the composition of the exhaust gases. According to the invention, the lambda set value is superimposed with a lean/rich amplitude. This lean/rich amplitude has an integral component and a discontinuous component leading back to the lambda set value. When a change that differs from the change in the exhaust gas composition caused by the lean/rich amplitude is detected, the coefficient of the integral component is modified and/or a discontinuous component is added to the integral component or subtracted therefrom. | 04-02-2009 |
| 20090093939 | Valve Control Synchronization and Error Detection in an Electronic Valve Actuation Engine System - A system for controlling a multiple cylinder internal combustion engine with electromagnetic valve actuation, comprising of at least one cylinder with an engine cylinder valve, a second controller operably coupled to the engine cylinder valve, said second controller configured to adjust at least one of the valve opening and closing timing of the engine cylinder valve, and a first controller connected with the second controller over a first link and a second link, wherein the first controller is configured to send an engine position indication signal to the second controller over the first link and receive a status signal from the second controller over the second link, and wherein the first controller outputs a synchronization degradation signal responsive to a synchronization error between the engine position indication signal and the status signal. | 04-09-2009 |
| 20090093940 | Vehicle and Vehicle Control Method - When a power demand Pe* is not less than a preset reference value Pref | 04-09-2009 |
| 20090099751 | Homogenous charge compression ignition engine and controlling method of the engine - An ECU switches a combustion mode of an HCCI engine from HCCI combustion to spark ignition combustion. The ECU executes the following operations a) and b) before switching an intake lift amount from a first intake lift amount to a second intake lift amount: | 04-16-2009 |
| 20090105926 | Control method for improving fuel efficiency of hybrid electric vehicle - The present invention provides a control method for a hybrid electric vehicle According to a control method of the present invention, the fuel efficiency is improved by extending a fuel cut operation in a wider transmission range and the impact caused by the extended fuel cut operation is reduced by reaction control of a motor operating in the opposite direction to engine torque. | 04-23-2009 |
| 20090105927 | Control system for automotive vehicle having diagnosis function - A system for controlling on-board air-conditioner according to the present invention includes input/output means such as sensors and driving motors, a control means such as a microcomputer, and input/output circuits connecting the input/output means to the control means. Means for generating diagnosis information, such as failure flag-setting circuits, feedback circuits and current sensors detecting sensor signals, are included in the input/output circuits. Upon receiving a request for diagnosis from an outside diagnosis device, diagnosis data including positions and nature of the failures occurred in the control system are outputted, taking into consideration the diagnosis information generated and stored in the control means. The diagnosis data may be displayed on a display panel of the outside diagnosis device. The diagnosis information generating means may be simply added to existing input/output circuits to thereby constitute cost-effectively the control system having a diagnosis function. | 04-23-2009 |
| 20090118966 | METHOD OF TORQUE INTEGRAL CONTROL LEARNING AND INITIALIZATION - A torque control system comprises a torque correction factor module, a RPM-torque transition module, and a selection module. The torque correction factor module determines a first torque correction factor and a second torque correction factor. The RPM-torque transition module stores the first torque correction factor. The selection module selectively outputs one of the first torque correction factor and the second torque correction factor based on a control mode of the torque control system. | 05-07-2009 |
| 20090118967 | TORQUE BASED CRANK CONTROL - A control system and method of regulating operation of an engine includes a minimum torque module that determines a torque request based upon at least two of measured revolutions per minute (RPM) of an engine, a barometric pressure, and a coolant temperature of the engine. A first engine air module can determine a first desired engine air value based upon predetermined actuator values and a torque value based upon the torque request. The predetermined actuator values can include a predetermined RPM of the engine. A throttle area module can determine a desired throttle area based upon the first desired engine air value and the predetermined RPM. | 05-07-2009 |
| 20090118968 | ENGINE TORQUE CONTROL WITH DESIRED STATE ESTIMATION - An engine control system comprises a predicted airflow module, a first actuator determination module, a first desired air module, and an actuator position module. The predicted airflow module determines a predicted engine airflow based on a desired torque. The first actuator determination module determines a first engine actuator value based on the predicted engine airflow. The first desired air module selectively determines a first desired engine air value based on the first engine actuator value and the desired torque. The actuator position module determines a desired engine actuator value based on the first desired engine air value. | 05-07-2009 |
| 20090118969 | METHOD AND APPARATUS TO CONTROL WARM-UP OF AN EXHAUST AFTERTREATMENT SYSTEM FOR A HYBRID POWERTRAIN - An internal combustion engine is controlled to achieve a preferred temperature of the exhaust aftertreatment system and to minimize a total engine energy loss. A transmission is controlled to achieve a torque output based upon the preferred engine operation. | 05-07-2009 |
| 20090118970 | SYSTEM AND METHOD FOR OPTIMIZING VEHICLE PERFORMANCE IN PRESENCE OF CHANGING OPTIMIZATION PARAMETERS - A method for controlling operations of a power system having at least one internal combustion power unit includes: (a) identifying a plurality of discrete potential dynamic events; (b) for each potential dynamic event, computing an optimization profile which describes power settings for the power system to follow in order to optimize at least one operating parameter of the at least one power unit; (c) selecting one of the optimization profiles based on the potential dynamic event with the highest current probability; and (d) operating the system in accordance with the selected optimization profile. | 05-07-2009 |
| 20090118971 | METHOD AND APPARATUS FOR DETERMINATION OF FAST ACTUATING ENGINE TORQUE FOR A HYBRID POWERTRAIN SYSTEM - An engine is coupled to an input member of a hybrid transmission and the hybrid transmission is operative to transfer torque between the input member and a torque machine and an output member to generate an output torque in response to an operator torque request. The torque machine is connected to an energy storage device. A method for controlling the engine includes determining a preferred input torque from the engine to the hybrid transmission based upon operator inputs to an accelerator pedal and a brake pedal, determining maximum and minimum allowable input torques from the engine to the hybrid transmission, controlling the engine at the preferred input torque when the preferred input torque is within the maximum and minimum allowable input torques, and controlling the engine based upon the maximum and minimum allowable input torques when the preferred input torque is outside one of the maximum and minimum allowable input torques. | 05-07-2009 |
| 20090118972 | INVERSE TORQUE MODEL SOLUTION AND BOUNDING - An engine control system includes a spark bound module that determines a bounded spark value based on a desired spark value, a torque bound module that determines a bounded torque value based on the bounded spark value and a desired torque value, and an inverse torque calculation module that determines a desired engine air value based on the bounded torque value and the square of the bounded spark value. The engine air value may be one of a desired air-per-cylinder value and a desired manifold air pressure value. The bounded spark value and the bounded torque value are determined based on one or more of a plurality of engine actuator positions. Related methods for determining the bounded spark value, the bounded torque value, and the engine air value are also provided. | 05-07-2009 |
| 20090132144 | Apparatus and Method for Calculating Work Load of Engine - Work done by an engine can be accurately calculated regardless of the part in an observation section where the cylinder internal pressure signal is detected. The apparatus for calculating the work done by an engine establishes in advance correlation of phase between the cylinder internal pressure of the engine and a reference signal composed of a predetermined frequency component as a reference phase relation. A means for detecting the cylinder internal pressure of the engine for a predetermined observation section is provided. A reference signal corresponding to the detected cylinder internal pressure of the engine is calculated so that the reference phase relation is satisfied. A correlation coefficient of the detected cylinder internal pressure of the engine and the calculated reference signal is calculated for the observation section and the work done by the engine is calculated in accordance with the correlation coefficient. | 05-21-2009 |
| 20090132145 | Method for the estimation of combustion parameters - Method for combustion engine control comprising an engine, at least one sensor and at least one engine control unit ( | 05-21-2009 |
| 20090132146 | DIAGNOSTIC SYSTEM FOR VALVE ACTUATION MECHANISM - A diagnostic system for an engine includes a pressure monitoring module that determines a plurality of first average pressure values and a plurality of second average pressure values of a fluid supply provided to a camshaft phaser. A diagnostic module identifies one of a plurality of cylinders associated with a failed variable valve lift mechanism based on the first and said second average pressure values. Each of the first and the second average pressure values respectively correspond to each of the plurality of cylinders. | 05-21-2009 |
| 20090132147 | Evaporative emission canister purge actuation monitoring system having an integrated fresh air filter - An evaporative emission canister purge actuation monitoring system includes an integrated valve body having a main flow passage, and an air filter assembly disposed adjacent the valve body and providing fluid communication between the main flow passage and the ambient air. A first one-way umbrella valve mounted to the valve body that is responsive to predetermined positive pressure in the main flow passage to control flow of fluid from a vapor canister to ambient air as well as a second one-way umbrella valve that is responsive to a predetermined negative pressure in the main flow passage to control the flow of ambient air through a fresh air port. | 05-21-2009 |
| 20090132148 | METHOD AND DEVICE FOR DETERMINING THE AMBIENT PRESSURE BY MEANS OF A CHARGE PRESSURE SENSOR IN A TURBOCHARGED ENGINE - In turbocharged engines, there is the problem that, in particular under load, the ambient pressure (AMP) cannot be determined directly from the measurement values of a charge-pressure sensor ( | 05-21-2009 |
| 20090138171 | METHOD FOR ANTI-ALIAS DUAL PROCESSING LOOP DATA ACQUISITION IN AN INTERNAL COMBUSTION ENGINE - A method to operate an electronic controlled internal combustion engine with an electronic controller having memory and tables resident therein to obtain and use sensor data beyond the Nyquist threshold. | 05-28-2009 |
| 20090143953 | Exhaust system having temperature sensor verification - An exhaust system is disclosed. The exhaust system has a first sensor disposed to sense a first temperature of an exhaust flow and a second sensor disposed to sense a second temperature of the exhaust flow. The exhaust system also has a controller in communication to receive from the first and second sensors signals indicative of the first and second temperatures. The controller is configured to compare the signals indicative of the first and second temperatures during exhaust system thermal equilibrium, to determine whether at least one of the signals indicative of the first and second temperatures is inaccurate based on the comparison, and to affect a system reaction if it is determined that at least one of the signals indicative of the first and second temperatures is inaccurate. | 06-04-2009 |
| 20090143954 | Engine exhaust after-treatment system - An engine exhaust after-treatment system is provided, which may include a particulate trap configured to remove at least some constituents of the exhaust flowing from an engine through an exhaust system. The system may also include a controller configured to collect in-service data related to an operating parameter indicative of the amount of time the engine operates. In addition, the system may include a memory device attached to the particulate trap and including a memory. The memory may be configured to store usage data indicative of how much time the particulate trap has been used in service. The memory may be configured to communicate with the controller to receive information related to the in-service data collected by the controller and update the usage data in the memory, based on the communication with the controller, to reflect a total amount of time the particulate trap has been in service. | 06-04-2009 |
| 20090150041 | REFUELLING SYSTEM AND METHOD - A refueling system for a vehicle having a combustion engine. The refueling system includes: a fuel tank; a canister configured to adsorb fuel vapor generated inside the fuel tank; a canister drain cut valve coupled to the canister and configured to discharge air; an ignition sensor configured to detect whether the ignition of the combustion engine is switched on or off; and a refueling controller configured to open the canister drain cut valve when the ignition sensor detects that the ignition of the combustion engine is switched off. A method for refueling a motor vehicle can use the refueling system. | 06-11-2009 |
| 20090150042 | VEHICLE SPEED DEPENDANT CALIBRATION TRIM FOR IMPROVED FUEL ECONOMY - A control system and method for improving vehicle fuel economy is provided. A base timing module generates a base timing signal. A trim module calculates a vehicle speed compensation factor and generates a timing trim signal based on the vehicle speed compensation factor. A vehicle speed trim module adjusts a calibration parameter (such as engine timing for example) based on the base timing signal and the timing trim signal. According to some implementations, the trim module includes a base trim module and a vehicle speed compensation module. The base trim module generates a base trim signal. The vehicle speed compensation module generates the vehicle speed compensation factor. The base trim signal can be based on a speed of the engine. The base trim signal can further be based on a quantity of fuel delivered to the engine. | 06-11-2009 |
| 20090150043 | Engine Arrangement - A method for operating an engine arrangement with a first internal combustion engine and a second internal combustion engine in a vehicle is provided. The method may include partially coupling a first crankshaft of the first internal combustion engine in the vehicle with a second crankshaft of the second internal combustion engine in the vehicle to start the second internal combustion engine, where the first crankshaft and second crankshaft are partially coupled with a clutch. The method may further include decoupling the first and second crankshaft when the second engine is operating under its own power. The method may further include coupling the first crankshaft and the second crankshaft, where the first and second crankshafts are coupled with the clutch when a speed difference between the first and second crankshafts is below a predetermined value and a relative angular position between the first and second crankshafts is less than 360°. | 06-11-2009 |
| 20090157277 | On-Board Fuel Vapor Separation for Multi-Fuel Vehicle - A fuel delivery system for a fuel burning engine of a vehicle and a method of operating the fuel delivery system is provided. As one example, the method includes separating a first fuel and a second fuel from a fuel vapor on-board the vehicle, said fuel vapor including at least an alcohol component and a hydrocarbon component and said first fuel including a higher concentration of the alcohol component than the fuel vapor and the second fuel; condensing the separated first fuel from a vapor phase to a liquid phase; delivering the condensed liquid phase of the first fuel to the engine; and combusting at least the condensed liquid phase of the first fuel at the engine. | 06-18-2009 |
| 20090157278 | METHOD AND SYSTEM FOR USING EXHAUST TEMPERATURE ANOMALIES TO DETECT FUGITIVE FUELING OF A RECIPROCATING INTERNAL COMBUSTION ENGINE - A method and system for using exhaust temperature anomalies to detect fugitive fueling of a reciprocating internal combustion engine compares an exhaust temperature attribute with a predetermined threshold value for such attribute, which is a function of either the combustion of fugitive fuel within the engine, or an indicator of an operating condition leading to fugitive fueling. If the value of the attribute exceeds the threshold value, remedial action will be taken to avoid engine damage resulting from fugitive fueling. | 06-18-2009 |
| 20090171547 | Traffic-sensitive engine control - A method and engine control system for controlling a vehicle, including determining an acceptable range for an engine operating parameter responsive to traffic conditions and directing the engine to maintain the engine operating parameter within the acceptable range. | 07-02-2009 |
| 20090171548 | System and method for operating a vehicle - A method of operating a vehicle including, during operation of the engine, receiving a control signal broadcast from outside the vehicle including instructions for modifying a vehicle operating parameter and modifying the vehicle operating parameter in accordance with the instructions. | 07-02-2009 |
| 20090171549 | Condition-sensitive exhaust control - A method and exhaust control system for controlling a vehicle, including adjusting a vehicle parameter in response to a determined ambient condition or to local time. | 07-02-2009 |
| 20090171550 | CONTROLLER FOR INTERNAL COMBUSTION ENGINE - An engine has cylinders respectively connected to branch pipes branched from a main pipe as an intake manifold. Fuel injection valves are attached to branch pipes, respectively. Further, branch pipes are connected to branch pipes branched from an EGR pipe on a downstream side of EGR valve, and exhaust gas introduced from EGR valve is fed to each of branch pipes. ECU detects imbalance of air-fuel ratio among cylinders, based on cylinder-by-cylinder air-fuel ratio detected by air-fuel ratio sensors provided on branch pipes as an exhaust manifold. If there is an imbalance in air-fuel ratio among cylinders, EGR valve is closed and imbalance in air-fuel ratio among cylinders is again detected. | 07-02-2009 |
| 20090187325 | METHOD FOR CONTROLLING A COMPRESSION-IGNITION INTERNAL COMBUSTION ENGINE AND CONTROL DEVICE FOR CONTROLLING A COMPRESSION-IGNITION INTERNAL COMBUSTION ENGINE - A method for controlling a compression-ignition internal combustion engine includes the following steps: predefining a setpoint combustion point for the compression-ignition internal combustion engine, predefining a calculation model for calculating a probable deviation of a future cycle of the internal combustion engine from the predefined setpoint combustion point while taking an ascertained actual combustion point of a completed cycle of the internal combustion engine into consideration, predefining a mean deviation for the internal combustion engine, operating the internal combustion engine for a first cycle and ascertaining an actual combustion point of the first cycle, calculating a probable deviation of a second cycle, which occurs after the first cycle, of the internal combustion engine from the predefined setpoint combustion point, comparing the calculated probable deviation of the second cycle to the predefined mean deviation, and ascertaining at least one operating variable for operating the internal combustion engine at least during the second cycle as a function of the comparison. In addition, a control device for controlling a compression-ignition internal combustion engine is described. | 07-23-2009 |
| 20090192692 | Method and Device for Operating a Drive Unit - A method and a device are provided for operating a drive unit of a vehicle having an engine which in a first operating state is operated with a first number of cylinders and in a second operating state is operated with a second number of cylinders. The first number of cylinders and the second number of cylinders are different from one another. The switchover of the engine between the first operating state and the second operating state is adapted to the driver type or the driving situation. Switchover between the first operating state and the second operating state is delayed as a function of the driver type or the driving situation. | 07-30-2009 |
| 20090192693 | CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE - A control system for an internal combustion engine is disclosed. In the control system, an engine state parameter is calculated using a self-organizing map for calculating a predetermined output parameter according to at least one engine operating parameter which indicates an operating condition of said engine. The engine state parameter indicates an engine state which is relevant to the predetermined output parameter. | 07-30-2009 |
| 20090198429 | APPARATUS, SYSTEM, AND METHOD FOR EFFICIENTLY INCREASING EXHAUST FLOW TEMPERATURE FOR AN INTERNAL COMBUSTION ENGINE - An apparatus, system, and method are disclosed for efficiently increasing exhaust flow temperature for an internal combustion engine. The method includes excepting a user input to disable an exhaust valve opening mechanism. The method further includes monitoring exhaust gas mass flows and temperatures, interpreting required exhaust temperatures for aftertreatment devices, and surveying a plurality of operating conditions for a combustion engine. The method includes determining a crankshaft angle for dynamically engaging an exhaust valve open mode based on the exhaust temperature, the required exhaust temperature, and the engine operating conditions. Dynamically engaging the exhaust valve open mode includes selecting a specific crankshaft angle for each combustion cycle of the engine. | 08-06-2009 |
| 20090198430 | Control apparatus and method and control unit - A control apparatus capable of ensuring high control accuracy even if a controlled object is in a transient state, when a control input is calculated based on a value obtained by correcting a value calculated by a feedforward control method using a value calculated by a feedback control method. The control apparatus calculates a fuel correction coefficient such that an output from an oxygen concentration sensor converges to a target output, and multiplies a basic injection amount by the coefficient to calculate a fuel injection amount. The basic injection amount is selected from three values according to the cause of a mapping error. Two of them are calculated by searching respective maps according to corrected throttle valve opening values and engine speed. The other is calculated by multiplying a value obtained by searching a map according to the opening and the speed by a correction coefficient. | 08-06-2009 |
| 20090204307 | Method and device for controlling an internal combustion engine - Disclosed is an internal combustion engine comprising a first and a second cylinder line, each of which is provided with a camshaft for the gas intake valves and the gas discharge valves as well as a mechanism for adjusting a valve overlap between the gas intake valves and the gas discharge vales. A lambda controller whose manipulated variable acts upon an actuator that is allocated to the respective cylinder line is associated with each cylinder line. Values of the manipulated controller variables are detected as non-valve-overlapping values of the two cylinder lines in an operating situation in which the valve overlap is so small that the same does not influence the manipulated controller variables while values of the manipulated controller variables are detected as valve-overlapping values of the two cylinder lines in another operating situation in which the valve overlap is so great that the same influences the manipulated controller variables. A corrective value is determined for the adjusting mechanism assigned to the first cylinder line and/or a corrective value is determined for the adjusting mechanism assigned to the second cylinder line in accordance with the valve-overlapping values and non-valve-overlapping values of the two cylinder lines. The adjusting mechanisms of the two cylinder lines are triggered according to the corrective values assigned thereto. | 08-13-2009 |
| 20090204308 | Configuring an engine control module - Method and systems are provided for configuring operations of an engine control module. In one implementation, a method is provided. According to the method, configuration parameters defining an operational range of an engine are received. Furthermore, data specifying performance requirements of the engine is received from the engine control module. The method determines whether the configuration parameters meet the performance requirements. | 08-13-2009 |
| 20090204309 | METHOD AND DEVICE FOR CHECKING THE OPERABILITY OF A TANK VENTING DEVICE FOR AN INTERNAL COMBUSTION ENGINE - The tank venting device has a fuel vapor reservoir connected to a fuel tank to deliver escaping fuel vapors to the fuel vapor reservoir, and is connected to the internal combustion engine in such a manner that during a tank venting operation the fuel vapors contained in the fuel vapor reservoir are delivered as regeneration gas. To check the operability of the venting device the fuel concentration in the regeneration gas is ascertained at a minimum of two different points in time during the venting operation. The fuel concentration values in the regeneration gas are compared with respective reference values representing the regeneration gas fuel concentration in the situation in which no additional fuel vapors are delivered during the venting operation. The assessment of the venting device operability is carried out by comparison of the values ascertained for the fuel concentration in the regeneration gas with the reference values. | 08-13-2009 |
| 20090204310 | Portable, Palm-Sized Data Acquisition System for Use in Internal Combustion Engines and Industry - A portable, palm-sized, Data Acquisition System including an apparatus to measure engine thermo-events, a wiring harness having signals for collecting, recording, and transmitting engine performance data and identifying the engine being monitored, and an acquisition server (DAS) for collecting and transmitting data from the thermo-measuring apparatus and wiring harness, is taught. There also is a Web-server, an Ethernet network interface, software, an SPI bus interface requiring only three signals for communication, and a software system that records, stores, processes, transmits, displays, and analyzes data pertaining to any combustion engine performance and other industrial engine applications. The use of fiber optic cable for electronic communication provides for the DAS to be installed a distance from the engine. The DAS is share-able between several engines, is user friendly, is low cost to manufacture, affordable, and has a flexible signaling feature that works with systems that use, and do not use, telemetry. | 08-13-2009 |
| 20090210129 | METHOD AND DEVICE FOR DETECTING THE PRESENCE OF AN EXHAUST GAS TREATMENT SYSTEM IN AN EXHAUST LINE OF AN INTERNAL COMBUSTION ENGINE - A method and device for detecting presence of an exhaust gas treatment system in an exhaust line of an internal combustion engine. The method determines the derivative of the temperature upstream of the treatment system, determines the derivative of the temperature downstream of the treatment system, and compares the downstream temperature derivative with a threshold value for detecting absence of the treatment system using a pre-determined upstream temperature derivative level. | 08-20-2009 |
| 20090210130 | METHOD AND DEVICE FOR OPERATING AN INTERNAL COMBUSTION ENGINE - For operating an internal combustion engine a respective Lambda adaptation value (LAM_AD) assigned to a respective temperature range is adapted as a function of at least one corrective signal proportion of the Lambda controller in relation to a control parameter of the Lambda controller if a respective predetermined condition is fulfilled which requires that a quasi-stationary operating state obtains and the respective temperature range is adopted. The respective Lambda adaptation value (LAM_AD) is assigned a respective reference temperature in the respective temperature range. if a predetermined test condition is fulfilled, a check is made as to which of the Lambda adaptation values (LAM_AD) was adapted as a function of the at least one corrective signal proportion since the test condition was last fulfilled. a respective Lambda adaptation value not adapted as a function of the at least one corrective signal, which in relation to a respective assigned temperature range is adjacent to a respective Lambda adaptation value adapted as a function of the at least one corrective signal proportion, is checked as to whether it lies in a range of valid values, which in relation to the reference temperature of the respective adjacent adapted Lambda adaptation value, diverges in a predetermined manner starting from the respective adapted Lambda adaptation value. If it lies outside the predetermined diverging range of valid values, the non-adapted Lambda adaptation value (LAM_AD) is adapted, so that it lies approximately on the boundary of the closest range of valid values in relation to its value before the adaptation. | 08-20-2009 |
| 20090216419 | Methods and Apparatus for Optical Monitoring of Fluid - We describe a fuel monitoring system, comprising: an evanescent wave fuel sensor for monitoring said fuel, the sensor comprising a light source and a transducer for providing an electrical signal in response to light from said light source, and having a light path between said light source and said transducer including an evanescent wave sensing region; and a processor coupled to said fuel sensor, for converting said electrical signal from said transducer into a signal characterising said monitored fuel; and an output coupled to said processor, for outputting a signal responsive to said fuel characterising signal. We further describe apparatus for jointly determining depth of fluid in a tank and characterising the fluid according to depth, and a fluid storage tank having a three dimensional structure for containing fluid, and a three-dimensional array of fibre-optic sensors integrated into said tank structure. Embodiments may use cavity ring-down spectroscopy. | 08-27-2009 |
| 20090216420 | ENGINE MOVEMENT DETECTION SYSTEMS AND METHODS - A control system for an internal combustion engine is provided. The control system includes an engine movement module that selects from N engine rotation modes based on camshaft movement and crankshaft movement, where N is an integer greater than two, and where at least one of the N rotation modes is an assisted spinning mode. A diagnostic module enables one or more engine diagnostic modes based on the selected engine rotation mode. | 08-27-2009 |
| 20090216421 | Method for experimenting engine controls parts - The problem to be solved by the present invention is to make it possible to scientifically test the performance of various engine control parts constituting a control system of an engine in various operation states when being mounted on an engine. Various engine control parts, which are actually attached to the engine and are necessary for engine control, are constructed in a state where electrical transmission and fuel supply are enabled in a manner similar to a case where the engine control parts are mounted on an actual engine, and model-based control is performed using numerical formulas on the same conditions as those of the actual engine on the basis of test data of the actual engine written in an electronic control unit constituting one of the engine control parts. | 08-27-2009 |
| 20090222188 | CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE HAVING MOTOR-DRIVEN SUPERCHARGER - The air flow inhaled into the internal combustion engine is calculated based on the operation state of the electric motor, the operational state of the bypass valve and the signal of the intake air flow sensor. Immediately after the bypass valve is opened when the electric motor is running, the air flow inhaled into the internal combustion engine may be calculated by acquiring the bypass air flow through the bypass passage and using the acquired bypass air flow to correct the intake air flow measured from the signal of the intake air flow sensor. Based on the calculated air flow inhaled into the internal combustion engine, control parameters which concern the output power of the internal combustion engine are adjusted. | 09-03-2009 |
| 20090222189 | APPARATUS, SYSTEM, AND METHOD FOR DETERMINING A REGENERATION AVAILABILITY PROFILE - An apparatus, system, and method are disclosed for determining a regeneration availability profile for an exhaust gas aftertreatment system. The method, in one embodiment, tracks historical attempts and success to determine the availability of regeneration for the system. In a further embodiment, the method divides the system operation into segments according to desired conditions which affect regeneration, for example the workload of an engine, and tracks separate success ratios for each operating condition. This allows prediction of success of a given regeneration based upon the current operating condition, as well as diagnostics of regeneration problems where an operating condition experiences trouble regenerating when historically it should not. | 09-03-2009 |
| 20090222190 | APPARATUS AND METHOD FOR PREVENTING AN UNDERSPEED EVENT OF A TURBOCHARGER - A method is disclosed for preventing an underspeed event of a turbocharger. The method includes interpreting a turbocharger speed, a compressor differential pressure (CDP) and a turbocharger differential pressure (TDP). The method further includes calculating a thrust load capacity (TLC) based on the turbocharger speed, and calculating a current thrust load (CTL) based on the CDP and the TDP. The method further includes calculating a thrust margin based on the TLC and the CTL, and controlling an actuator in response to the thrust margin. Controlling the actuator includes maintaining the thrust margin to a thrust margin target, which may be a function of the turbocharger speed. The actuator is a turbine bypass valve, a compressor bypass valve, a variable geometry turbocharger position, an exhaust throttle and/or an exhaust gas recirculation valve that controls the turbocharger speed. | 09-03-2009 |
| 20090222191 | METHOD AND APPARATUS FOR LIMITING WHEEL SLIP - An engine control system comprises an engine speed control module and an idle limiting module. The engine speed control module selectively controls an engine based on an idle speed request. The idle limiting module selectively reduces the idle speed request by an amount that is based on a wheel slip value. | 09-03-2009 |
| 20090259382 | METHOD FOR LOW AND HIGH IMEP CYLINDER IDENTIFICATION FOR CYLINDER BALANCING - A system and method for identifying the cylinders having the lowest (“weakest”) and highest (“strongest”) Indicated Mean Effective Pressure (IMEP) utilizes engine speed derivative and/or higher order derivative values typically available in an engine control module by virtue of the need to detect misfire. A delta parameter is calculated that is indicative of the difference between the engine speed derivatives and/or higher order derivatives for the “weakest” and the “strongest” cylinders. Control action is then taken to balance the cylinders, based on the delta parameter, by first increasing torque for the “weakest” cylinder, by at least one increasing spark advance, increasing fuel, decreasing dilution (EGR) or slowing decay of fuel control on cold start. Once the weakest cylinder has been balanced, the control action is then directed to increasing torque of the new “weakest” cylinder. | 10-15-2009 |
| 20090259383 | FUEL SYSTEM DIAGNOSTICS BY ANALYZING CYLINDER PRESSURE SIGNAL - A method for diagnosing combustion within a direct-injection, internal combustion engine including a plurality of combustion chambers and operative lean of stoichiometry includes monitoring combustion in the combustion chambers and estimating mass fraction burn therein. Mass fraction burn of sequential ones of the plurality of combustion chambers are compared and combustion phasing differences between sequential ones of the plurality of combustion chambers based on said mass fraction burn comparisons are identified. | 10-15-2009 |
| 20090259384 | SYSTEMS AND METHODS FOR PREDICTING ENGINE DELTA FRICTION TORQUE USING BOTH COOLANT AND OIL TEMPERATURE - An engine control system comprises a coolant temperature weighting module that generates a weighting signal based on coolant temperature. A composite temperature generating module generates a composite temperature based on the coolant temperature, an oil temperature and the weighting signal. A delta friction torque module calculates delta friction torque of an engine based on the composite temperature. An engine operating parameter module that adjusts an engine operating parameter based on the delta friction torque. | 10-15-2009 |
| 20090259385 | Method and engine control unit for controlling an internal combustion engine - A method for controlling an internal combustion engine includes: providing a setpoint value of at least one combustion attribute on the basis of a setpoint value characteristics map; determining from a control variable characteristics map a value of a characteristics-map-based control variable for controlling the engine; ascertaining with the aid of a data-based model a value of a modified control variable for controlling the engine, the data-based model specifying a predicted combustion attribute as a function of a real value of the combustion attribute of the preceding combustion, and the value of the modified control variable for controlling the engine being ascertained from the predicted combustion attribute; and providing a real control variable set to a value that is a function of the value of the characteristics-map-based control variable and/or the value of the modified control variable. | 10-15-2009 |
| 20090265074 | Method and device for detecting a leak in an exhaust-gas section of a combustion engine - A method for checking an exhaust-gas section of a combustion engine for a leak, including the following: introducing secondary air into the exhaust-gas section of the combustion engine via a secondary-air valve, determining a measured value that indicates the magnitude of the relative pressure changes due to the expelling of exhaust gas from the combustion engine upstream from the secondary-air valve, and detecting the leak in the exhaust-gas section as a function of the measured value. | 10-22-2009 |
| 20090265075 | CONTROL APPARATUS AND CONTROL METHOD FOR VEHICLE - A control apparatus for a vehicle is equipped with a detection portion that detects a required output of an internal combustion engine, an acquisition portion that acquires an ignition timing of the internal combustion engine, a setting portion that sets an operation curve of the internal combustion engine such that the operation curve approaches an optimal fuel consumption operation curve as the acquired ignition timing is retarded with respect to a set ignition timing, a decision portion that decides a target power of the internal combustion engine on the basis of the detected required output and the set operation curve, and a control portion for controlling the internal combustion engine on the basis of the decided target power. | 10-22-2009 |
| 20090271087 | CONTROL DEVICE AND ENGINE CONTROL DEVICE | 10-29-2009 |
| 20090271088 | Hydraulic Engine - An internal combustion engine and method of operating such an engine are disclosed. In some embodiments, the engine includes a piston provided within a cylinder, wherein a combustion chamber is defined within the cylinder at least in part by a face of the piston, and an intake valve within the cylinder capable of allowing access to the combustion chamber. The engine further includes a source of compressed air, where the source is external of the cylinder and is coupled to the cylinder by way of the intake valve, and where the piston does not ever operate so as to compress therewithin an amount of uncombusted fuel/air mixture, whereby the engine is capable of operating without a starter. In further embodiments, the piston is rigidly coupled to another, oppositely-orientated second piston, and the two pistons move in unison in response to combustion events to drive hydraulic fluid to a hydraulic motor. | 10-29-2009 |
| 20090276138 | TIME AND ANGLE BASED CYLINDER PRESSURE DATA COLLECTION - A control module for determining a time and angle based cylinder pressure includes a crankshaft position determination module that determines a first crankshaft position in an engine at a first time, a time-based cylinder pressure determination module that determines N time-based cylinder pressures in the engine at N times, wherein N is an integer greater than one, and an angle-based cylinder pressure determination module that determines an angle-based cylinder pressure at the first crankshaft position based on the first time, the N cylinder pressures, and the N times. | 11-05-2009 |
| 20090276139 | Engine regulation system and method for qualifying the components of the engine regulation system - An engine control system is provided having a control unit and a monitoring module. The monitoring module, together with the control unit, forms one structural unit and is designed as a detachable module having an independent electromagnetic shielding. | 11-05-2009 |
| 20090276140 | Spark Ignition Type Internal Combustion Engine - An internal combustion engine provided with a variable compression ratio mechanism able to change a mechanical compression ratio and an actual compression action start timing changing mechanism able to change a start timing of an actual compression action. An amount of intake air in accordance with the required load is fed into a combustion chamber by controlling the closing timing of the intake valve, while a pressure, temperature or density in the combustion chamber at the end of a compression stroke is maintained substantially constant regardless of the engine load by controlling the mechanical compression ratio. | 11-05-2009 |
| 20090281706 | Engine Optimisation Method And Apparatus - An engine management apparatus for an internal combustion engine of a vehicle includes a microprocessor that is operable on adjustment mechanisms of the vehicle. The vehicle has a torque sensor for sensing torque generated by the engine and the adjustment mechanisms adjust parametric values related to the torque. Memory circuitry is accessible by the microprocessor. The memory circuitry stores data representing at least one set of parametric values and a range of torque values corresponding to respective parametric values in the set. A set of instructions are executable by the microprocessor so that the microprocessor cyclically retrieves a real time torque value from the torque sensor and updates the memory if the retrieved torque value is higher than a stored torque value corresponding to a current parametric value. The microprocessor adjusts the current parametric value if the retrieved torque value is lower than the stored torque value. | 11-12-2009 |
| 20090287389 | Method For Increasing The Resolution Of Output Signals From At Least One Measuring Sensor On An Internal Combustion Engine And Corresponding Controller - The resolution of output signals from at least one measuring sensor on an internal combustion engine can be increased by: the working level range of the sensor is divided into at least two range sections, each section is provided with the same given output level range limited with relation to the working level range, for the output signal from the sensor and the switching from one to the other section is carried out independently by the sensor, when a range boundary between two adjacent sections is reached, exceeded or fallen below, the operating point of the internal combustion engine is determined by an engine management based on at least one parameter, the time curve for the raw sensor signal is predicted from at least one set of performance characteristics for the current operating point and the engine management determines which section is current from the predicted raw sensor signal time curve. | 11-19-2009 |
| 20090287390 | CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE - A control system for an internal combustion engine includes: a fuel amount detector; a smoothing calculation unit that calculates a smooth output value, which is obtained by smoothing an output value of the fuel amount detector in a temporal direction; a continuous low speed condition detection unit that detects a continuous low speed condition in which the vehicle speed remains in the low speed region continuously beyond a predetermined time period; a calculation processing unit that successively calculates a maximum value and a minimum value of the smooth output value; a reference setting unit that updates and stores a reference value in response to the engine stoppage and in accordance with the current minimum value calculated by the calculation processing unit; and a fuel supply determination unit that detects a fuel supply to the fuel tank during the continuous low speed condition. | 11-19-2009 |
| 20090292439 | Method of controlling cylinder deactivation - A method of controlling a cylinder deactivation system is disclosed. Information from one or more sensors is received by a control unit. The control unit compares the current values of a parameter with one or more prohibited ranges in order to determine if cylinder deactivation should be prohibited. The one or more prohibited ranges are discrete ranges, each with a lower limit and an upper limit. | 11-26-2009 |
| 20090292440 | Control Apparatus for Multi-Cylinder Internal Combustion Engine - Provided is a control apparatus for a multi-cylinder internal combustion engine equipped with fuel injection valves provided respectively for the cylinders including: a revolution measuring means for measuring a revolution speed for a predetermined angle for each cylinder; an inter-cylinder revolution-difference calculating means for calculating, from the measured revolution speed, a difference in revolution speed between a cylinder of current explosion and a cylinder of the previous explosion; an injection amount correcting means for adjusting the average amount of injection of the fuel injection valves of all the cylinders in accordance with the inter-cylinder differences in revolution speed after the cold start of the engine calculated by the inter-cylinder revolution-difference calculating means; an inter-cylinder revolution-difference averaging means for averaging the differences in revolution speed, calculated by the inter-cylinder revolution-difference calculating means, each between the cylinder of current explosion and the cylinder of the previous explosion; and a torque adjusting means for adjusting the torque of each cylinder so that the average value of the inter-cylinder revolution differences calculated by the inter-cylinder revolution-difference averaging means can be reduced close to zero. | 11-26-2009 |
| 20090299600 | APPARATUS, SYSTEM, AND METHOD FOR CALIBRATING AN INTERNAL COMBUSTION ENGINE - According to one representative embodiment, an apparatus for calibrating an internal combustion engine having a predefined horsepower rating and categorized within an engine emissions family includes a calibration module, conditions module, and an output module. The calibration module includes a plurality of calibration tables that includes a top-rated torque curve and bottom-rated torque curve for each of a plurality of predetermined engine operating modes of the engine emissions family. The top-rated torque curve corresponds to a top horsepower rating of the engine emissions family and the bottom-rated torque curve corresponds to a bottom horsepower rating of the engine emissions family. The conditions module is configured to determine operating conditions of the internal combustion engine. The output module is configured to command at least one component of the engine to achieve a desired engine output exhaust gas emissions value based at least partially on the operating conditions of the internal combustion engine and a comparison between the predefined top horsepower rating and bottom horsepower rating of the engine emissions family. | 12-03-2009 |
| 20090299601 | INTERNAL-COMBUSTION-ENGINE CONTROL APPARATUS - In an exhaust gas sensor control device that outputs a detection signal detected by the exhaust-gas sensor, while switching amplification factors or offset voltages, in the case where an abnormality occurs in an amplification circuit or in an offset circuit, the abnormality is rapidly detected, whereby deterioration in an exhaust gas can be prevented. In an internal-combustion-engine control apparatus provided with an exhaust gas sensor control device that outputs a detection signal detected by an exhaust-gas sensor | 12-03-2009 |
| 20090299602 | ENGINE TORQUE RESERVE SYSTEM DIAGNOSTIC SYSTEMS AND METHODS - An engine control system of a vehicle comprises a reserves module and a fault diagnostic module. The reserves module controls airflow into an engine based on a driver torque request, increases the airflow into the engine when a reserve torque request is received, and outputs a torque output command for the engine based on the driver torque request. The fault diagnostic module selectively diagnoses a fault in the reserves module when the torque output command is greater than a sum of the driver torque request, a predetermined torque, and a load applied to the engine. | 12-03-2009 |
| 20090306874 | CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - Provided is a control apparatus for an internal combustion engine, capable of improving a response characteristic of a PID feedback control, including: an oil pressure regulating valve having a solenoid; a variable cam phase mechanism for changing a cam phase; and an ECU for controlling the oil pressure regulating valve. The ECU includes: an actual cam phase detecting unit for detecting the cam phase; a target cam phase setting unit for setting a target cam phase; an output duty calculating unit for calculating an output duty; a feedback control unit for controlling the cam phase via the output duty calculating unit with PID feedback control; a coil temperature detecting unit for detecting a temperature of a coil; a circuit resistance calculating unit for calculating a resistance of an electric circuit by correcting a resistance of the coil based upon the temperature of the coil; and an integral term initial value calculating unit for calculating a holding output duty based upon the resistance of the electric circuit. When an integral term is initialized, the feedback control unit sets the holding output duty as the integral term. | 12-10-2009 |
| 20090306875 | FUEL COMPOSITION RECOGNITION AND ADAPTATION SYSTEM - A method of operating an internal combustion engine. The method including monitoring a pressure in a combustion chamber of the engine during a compression stroke, determining whether a fuel composition has changed from a first composition to a second composition based at least in part on the monitored pressure, and triggering a fuel composition adaptation in response to a determination that the fuel composition has changed. | 12-10-2009 |
| 20090312931 | FUEL SYSTEM INJECTION TIMING DIAGNOSTICS BY ANALYZING CYLINDER PRESSURE SIGNAL - A method for diagnosing combustion within an engine includes monitoring pressure cylinder pressure and generating a measured combustion phasing value for the cylinder at a predetermined metric selected to index the combustion cycle. The measured combustion phasing value is calculated through a Fast Fourier Transform and compared to an expected combustion phasing value. | 12-17-2009 |
| 20090312932 | FUEL SYSTEM DIAGNOSTICS BY ANALYZING ENGINE CRANKSHAFT SPEED SIGNAL - Combustion within an internal combustion engine is diagnosed and includes monitoring crankshaft angular velocity and generating a combustion phasing value for a combustion chamber based on the crankshaft angular velocity. The combustion phasing value is compared to an expected combustion phasing value based on a predetermined start of injection crank angle and combustion phasing differences greater than an allowable combustion phasing difference are identified based on the comparison. | 12-17-2009 |
| 20090312933 | Device for Switching on and Off a Vehicle Engine as a Function of the Traffic Situation - A device for switching on and switching off an engine of a motor vehicle having a sensor for locating a preceding vehicle and a control unit for switching on and switching off the engine as a function of the state of motion of the preceding vehicle, wherein the control unit is set up to control the switching on and switching off of the engine as a function of the state of motion of at least one additional vehicle in the same lane. | 12-17-2009 |
| 20090312934 | Method for Operating a Combustion Machine, Device for Obtaining Thermal Energy, and Motor Vehicle - A method for operating a combustion machine, such as an internal combustion engine, has the following steps: provision of a combustion machine for producing thermal energy; operation of the combustion machine, and thereby burning fuel to obtain the thermal energy; detection of the concentration of at least one pollutant, which is produced during the combustion, in the surroundings of the combustion machine; regulation of the operation of the combustion machine, in which a characteristic variable of the combustion machine is set according to the detected concentration in such a way that the emission of the pollutant is reduced. | 12-17-2009 |
| 20090326785 | METHOD AND SYSTEM FOR CONTROLLING A LOW-VOLTAGE-POWERED PLUG FOR PREHEATING A DIESEL ENGINE AIR/FUEL MIXTURE - The invention relates to a method for controlling a low-voltage-powered plug ( | 12-31-2009 |
| 20100004842 | Diagnostic Method and Device for Controlling an Internal Combustion Engine - A device and a method for controlling an internal combustion engine, in which an actual value is determined based on a lambda value and compared with a setpoint value. Based on the comparison, a correction value for a controlled variable is determined and stored. An error is detected if the correction value changes abruptly. | 01-07-2010 |
| 20100004843 | FUEL CONSERVATION SYSTEMS AND METHODS - Methods and systems are described for conserving fuel used by an engine. In some embodiments a control module processes a user-provided input, as a first function, into a second function. The second function can be used to direct the engine with a directive output power. The directive output power may have regions equal to, greater than, and/or less than what the power output would be if the engine were controlled using the user-provided input. | 01-07-2010 |
| 20100004844 | CONTROL SYSTEM OF INTERNAL COMBUSTION ENGINE AND CONTROL METHOD OF THE CONTROL SYSTEM - When a catalyst warm-up request for promoting warm-up of a catalyst is issued and no negative-pressure increase request for increasing a negative pressure downstream of a throttle valve is issued, a control system of an internal combustion engine controls the ignition timing to the timing (ϑ0 + Δ ϑ1) obtained by correcting HIGH A the normal ignition timing (ϑ0) to be retarded by a correction amount &Delta, −ϑ1, and controls the degree of opening of the throttle valve to a throttle opening (TAO + ΔTA | 01-07-2010 |
| 20100004845 | SELF TUNING CYLINDER PRESSURE BASED HEAT RELEASE COMPUTATION - A method for automatic, heat release computation in a piston engine, comprises the steps of: measuring a cylinder pressure as a function of crank angle (see FIGURE), based on said measurement; calculating a first polytropic exponent for a compression stroke (in M), based on said measurement, calculating a second polytropic exponent for an expansion stroke (in M′); for a crank angle interval between the compression stroke and the expansion stroke, performing an interpolation of the first and second polytropic exponents and performing a net heat release computation based on said interpolated polytropic exponent. | 01-07-2010 |
| 20100010722 | INTAKE AIR TEMPERATURE SENSOR DIAGNOSTIC SYSTEMS WITH ADAPTIVE LEARNING MODULES - A diagnostic system for an internal combustion engine includes an intake air temperature (IAT) determination module, a reference temperature determination module, and an adaptive learning module. The IAT determination modules determines a first IAT using an IAT sensor at a first time and determines a second IAT using the IAT sensor at a second time. The reference temperature determination module determines a first frequency based on a first voltage output of a MAF sensor at the first time and determines a second frequency based on a second voltage output of the MAF sensor at the second time. The adaptive learning module determines a temperature-frequency relationship based on the first IAT, the second IAT, the first frequency and the second frequency. | 01-14-2010 |
| 20100010723 | VEHICLE CONTROL DEVICE AND CONTROL METHOD THEREFOR - A vehicle control device including an eco-run control system for automatically stopping the engine under a predetermined condition when the vehicle is stopped and starting the engine under a predetermined restart condition further includes a vehicle surroundings monitoring device that detects a possibility of the vehicle being collided with by another vehicle. When the vehicle surroundings monitoring device detects a possibility of collision while the engine is kept in a stop mode because of eco-run control and when starting the engine will provide a benefit (when there is a possibility of avoiding a collision), the engine is immediately started to give the driver an opportunity to avoid the collision and a PCS device is activated in preparation for the collision. When the collision is inevitable, only the PCS device is activated. | 01-14-2010 |
| 20100017094 | CONFIGURABLE AUTOMOTIVE CONTROLLER - An engine control unit having a one-time integration of a model predictive control template via a potentially long software process. Changes to the control structure may subsequently be made via a calibration dataset connected to the engine control unit without incurring the potentially long and laborious software process of implementing the template of other approaches in the related art. | 01-21-2010 |
| 20100017095 | INTERNAL COMBUSTION ENGINE CONTROL DEVICE - The present invention provides an internal combustion engine control device which is capable of implementing a plurality of functions desired to the internal combustion engine. An adder unit determines a total energy E_total that should be generated by the engine by adding a target work, a target exhaust energy and cooling heat loss, which are calculated in a style of energy. A target fuel supply quantity calculation unit calculates a target fuel supply quantity necessary for generating the E_total. A target intake quantity calculating unit calculates a target intake quantity based on the target fuel supply quantity and a target A/F. A target ignition timing calculation unit calculates a target ignition timing necessary for realizing the target exhaust energy. | 01-21-2010 |
| 20100030447 | METHOD TO CONTROL VEHICULAR POWERTRAIN BY MONITORING MAP PREVIEW INFORMATION - A method of operating a vehicular powertrain including an internal combustion engine includes monitoring map preview information, determining a projected vehicle path based upon the map preview information, determining likely engine operation demands along the projected vehicle path, wherein the likely engine operation demands include likely required engine speeds and likely required engine loads, determining selectable engine operating modes at each likely engine operating demand, and executing engine operation based upon the selectable engine operating modes. | 02-04-2010 |
| 20100036580 | METHOD AND DEVICE FOR OPERATING AN INTERNAL COMBUSTION ENGINE - A method and a device are provided for operating an internal combustion engine which allow for an improved diagnosis of the valve mechanism of cylinders of the internal combustion engine. For this purpose, a variable characteristic of a suction performance of a cylinder of the internal combustion engine is ascertained. The variable characteristic of the suction performance is ascertained as a function of the mass flow flowing into an intake manifold of the internal combustion engine and of a change of the intake manifold pressure during an intake phase of the cylinder. | 02-11-2010 |
| 20100036581 | Internal Combustion Engine Control Device - Disclosed is an internal combustion engine control device capable of accurately achieving a target torque. At time t | 02-11-2010 |
| 20100042306 | Method for synchronizing an oil control valve as a virtual check valve - A standard cam phasing OCV may be employed as a virtual check valve to choke the backflow of oil during negative cam torque conditions, including execution of a duty cycle command in an event-based manner. Normally, OCV duty cycle commands are made on a time basis, but for VCV the duty cycle output change must be synchronized with engine events. A method is disclosed for calculating and delivering the VCV duty cycle so that both time-based and event-based controls are maintained and work together. Phase alignment of response time of the OCV solenoid is based upon cam target wheel edges and is event-based. An initial phase rate vs. phase angle is monitored by the Engine Control Module (ECM). Adjustment of the phase angle is provided to achieve maximum cam position phase rate. | 02-18-2010 |
| 20100049418 | METHOD FOR EXECUTING TASKS AND SYSTEM COMPRISING A FIRST AND A SECOND CONTROL DEVICE - A system and a method for executing tasks for an internal combustion engine ( | 02-25-2010 |
| 20100057324 | Ignition Energy Management With Ion Current Feedback To Correct Spark Plug Fouling - A system and method for operating an engine having ionization signal sensing include detecting plug fouling and controlling the engine using progressively more aggressive control strategies if the fouling condition persists. A first control strategy may be used when the number of engine starts or running time are below corresponding thresholds and a second strategy otherwise. The first strategy may employ progressively more aggressive control procedures to eliminate spark plug deposits that may include repetitive sparking, exhaust cycle sparking, increasing engine loading, advancing spark timing, increasing air/fuel ratio, and increasing idle speed, for example. The second strategy may include similar corrective actions employed in a different order and/or to a lesser degree in an attempt to eliminate plug fouling without any noticeable change in engine operation or performance as perceived by the vehicle operator. The control strategies may be applied to individual cylinders, cylinder banks, or all cylinders. | 03-04-2010 |
| 20100057325 | TORQUE RESERVE AND EMISSION CONTROL SYSTEM FOR COORDINATED TORQUE CONTROL - A coordinated torque control system includes a catalyst module that generates a multi-mode enable signal based on a catalyst light off enable signal. A torque reserve module generates a torque reserve signal based on the multi-mode enable signal, an engine speed signal and an air per cylinder signal. The torque reserve module operates in a multi-pulse mode that is associated with injecting N pulses of fuel into a combustion chamber during a combustion cycle of the engine based on the multi-mode enable signal. N is an integer greater than or equal to 2. | 03-04-2010 |
| 20100063706 | Multi-Stroke Internal Combustion Engine - An internal combustion engine system and method of its operation are described. As one example, the method includes: repeatedly opening a first intake valve of a combustion chamber of the engine once every four piston strokes; transitioning operation of the combustion chamber from a four stroke cycle to a two stroke cycle by activating a second intake valve of the combustion chamber to repeatedly open once every four piston strokes during a different intake stroke than the first intake valve; and transitioning operation of the combustion chamber from the two stroke cycle to the four stroke cycle by deactivating the second intake valve in a closed position. In this way, the engine may be selectively operated in a two stroke cycle or a four stroke cycle by activating or deactivating or activating one of the intake valves while another of the intake valves continues to operate. | 03-11-2010 |
| 20100063707 | CONTROL METHOD AND DEVICE FOR A THERMAL ENGINE - A control device for a thermal engine includes: a thermal energy generator for generating thermal energy through combustion of air and fuel supplied thereto and adapted for supplying the thermal energy to the thermal engine such that the thermal engine is driven to generate a mechanical power output; a flow control device coupled to the thermal energy generator and operable to control amounts of the air and the fuel supplied to the thermal energy generator; and a control unit for controlling the flow control device to adjust the amounts of the air and the fuel supplied to the thermal energy generator based on an operating parameter of the thermal engine. A control method for the thermal engine is also disclosed. | 03-11-2010 |
| 20100063708 | Diesel cycle internal combustion engine - The invention proceeds from a diesel cycle internal combustion engine that can be operated with a fuel having a low ignition point and a fuel having a higher ignition point, with at least one fuel tank ( | 03-11-2010 |
| 20100070152 | METHOD AND APPARATUS FOR DETECTING A CONTINUOUS INGRESS OF FUEL INTO THE LUBRICATING OIL OF AN INTERNAL COMBUSTION ENGINE DURING COLD STARTING - In a method and an apparatus for detecting a continuous ingress of fuel into the lubricating oil of an internal combustion engine, that is to say oil dilution, in particular of a motor vehicle during cold starting, there is provision, in particular, for the continuous ingress of fuel to be detected by means of a lambda control. The continuous ingress of fuel is preferably determined using the outgassing of fuel from a crankcase of the internal combustion engine, wherein the depletion is based on adaptation values of the lambda control. | 03-18-2010 |
| 20100076662 | METHOD OF SELECTING ENGINE TORQUE CURVES - A method of operating an internal combustion engine including the steps of detecting, determining, and switching. The detecting step detects a load on the engine. The determining step determines if the load is below a predetermined value. The switching step switches the engine to operate at a selected one of a plurality of torque power curves, dependent upon the determining step. | 03-25-2010 |
| 20100076663 | VEHICLE AND CONTROL METHOD THEREOF - In a hybrid vehicle | 03-25-2010 |
| 20100076664 | POLLUTION CONTROL SYSTEM - The pollution control system includes a controller coupled to a sensor monitoring an operational characteristic of a combustion engine, such as engine RPM. A PCV valve having an inlet and an outlet is adapted to vent blow-by gas out from the combustion engine. A fluid regulator associated with the PCV valve and responsive to the controller selectively modulates engine vacuum pressure to adjustably increase or decrease a fluid flow rate of blow-by gas venting from the combustion engine. The controller selectively adjustably positions the fluid regulator to vary the degree of vacuum pressure to optimize the recycling of blow-by gases. | 03-25-2010 |
| 20100082219 | Engine Using Glow Plug Resistance For Estimating Combustion Temperature - An internal combustion engine includes an engine block defining at least one cylinder therein. A cylinder head is attached to the engine block and defines a combustion chamber with the at least one cylinder in the engine block. A piston is disposed within the at least one cylinder. A glow plug is disposed within the combustion chamber. A resistance of the glow plug is detected and an estimated combustion temperature is determined based upon the detected resistance of the glow plug. The engine is then controlled based upon the estimated combustion temperature established from the glow plug resistance. | 04-01-2010 |
| 20100082220 | TORQUE BASED CLUTCH FUEL CUT OFF - An engine control system comprises a clutch cut off enable module and a torque control module. The clutch cut off enable module generates an enable signal based on a clutch engagement signal and an accelerator pedal signal. The torque control module reduces a spark advance of an engine to a minimum value and disables fueling of cylinders of the engine based on the enable signal. The minimum value is a minimum allowed spark advance for current engine airflow. | 04-01-2010 |
| 20100088004 | WIRE HARNESS AND ECU SYSTEM - A wire harness is provided to include: one or more electric wires; and an ECU which includes a circuit body electrically connected to one ends of the one or more electric wires and a sealing member that seals the circuit body and the one ends of the one or more electric wires. The one ends of the one or more electric wire are electrically connected to at least one of a power line pattern, a GND line pattern and a signal line pattern of the circuit body. | 04-08-2010 |
| 20100088005 | VEHICLE CONTROL APPARATUS AND CONTROL METHOD - With the use of a model expression (FIG. | 04-08-2010 |
| 20100094523 | Method for Operating a Group of Glow Plugs in a Diesel Engine - Method for controlling a group of glow plugs in a diesel engine, which are connected with a direct current source via individual supply lines and which are to be controlled by a pulse width modulation process at the same temperature, at least in time average. The electric resistance of the glow plugs, less the resistance of the supply line to the heating element of the glow plugs, is determined during operation of the engine and a relative pulse width at which the glow plugs are to be operated is calculated from the value so obtained. | 04-15-2010 |
| 20100094524 | Method and Device for Glowplug ignition Control - A device for glow plug excitation control is disclosed, in particular for a glow system ( | 04-15-2010 |
| 20100100298 | Electronic control of the pressure and flow of linear pumps and compressors - A control circuit for linear motors driving pumps or compressors that provides a programmable pressure versus flow behavior. The duty cycle of a pulse width modulated drive signal to a coil in the motor is controlled by a parameter determined by the shape of the back EMF signal generated by that coil when it is not driven. The measured parameter value is compared to a target value for the present drive pulse width, and the pulse width is adjusted to reduce the difference between the measured value and the target value. The target value is stored in a table of calibrated values that determines the desired pressure versus flow behavior and can also compensate for manufacturing differences between individual pumps. | 04-22-2010 |
| 20100100299 | System and Methods for Improving Efficiency in Internal Combustion Engines - The present invention relates to system and methods for improving efficiency of an internal combustion engine. This system may include a fuel processor. The system receives instructions for a desired engine output and operating conditions. The system may then determine an operational state corresponding to the desired output. The operational state includes designating the cylinders into one of three categories: working, deactivated and passive. The number of working cylinders is calculated by dividing the desired output by the power provided by one cylinder operating at substantially optimal efficiency. Then the system substantially disables fuel flow to and air flow to the deactivated cylinders, substantially disables fuel flow to and firing of the passive cylinders, and substantially regulates fuel flow to, air flow to and firing of the working cylinders. Firing of the working cylinders is synchronized with engine speed to reduce unwanted engine vibrations. The number of working, passive and deactivated cylinders may be continually altered in response to changes in desired output or operating conditions. | 04-22-2010 |
| 20100100300 | Powerplant and related control system and method - A hydrogen fueled powerplant including an internal combustion engine that drives a motor-generator, and has a two-stage turbocharger, for an aircraft. A control system controls the operation of the motor-generator to maintain the engine at a speed selected based on controlling the engine equivalence ratio. The control system controls an afterburner, an intercooler and an aftercooler to maximize powerplant efficiency. The afterburner also adds power to the turbochargers during high-altitude restarts. The turbochargers also include motor-generators that extract excess power from the exhaust. | 04-22-2010 |
| 20100100301 | METHOD AND APPARATUS FOR SUPPORTING STOP-AND-GO ENGINE FUNCTIONALITY - A vehicle includes a direct start engine, an automatic transmission having a threshold fluid pressure sufficient for enabling operation of the transmission when the engine is off, a controller, and a fuel delivery system. The controller determines the presence of predetermined engine states, and optimizes a stop-and-go functionality of the engine. The fuel delivery system includes a motor and an integrated pump assembly having a secondary high-pressure (HP) fuel pump which is selectively connectable to a rotatable shaft of the motor, and a secondary low-pressure (LP) fluid pump which is continuously connected to the shaft. The motor continuously energizes the secondary LP fluid pump via the rotatable shaft to thereby maintain the threshold fluid pressure during a first or second engine state, and selectively energizes the secondary HP fuel pump via the rotatable shaft to maintain the threshold fuel pressure during the second engine state. | 04-22-2010 |
| 20100106389 | Genset control system having predictive load management - A control system is provided for a generator set coupled to supply electrical power to an external load. The control system may have an input device configured to receive input indicative of a desired adjustment to the external load, and a power control device operable to affect a power output of the generator set. The control system may also have a controller in communication with the input device and the power control device. The controller may be configured to determine a change in the power output of the generator set corresponding to the desired adjustment to the external load, and to operate the power control device to implement the change in power output of the generator set before the desired adjustment to the external load is initiated. | 04-29-2010 |
| 20100106390 | ECO-RUN SYSTEM, CONTROL PROGRAM AND ECO-RUN STATE INFORMING APPARATUS - The present invention is an eco-run system having an eco-run function that stops and restarts an internal combustion engine depending on a state of a vehicle. The eco-run system includes: table information that prescribes a relationship between a plurality of eco-run prohibition reasons and priorities in which a user is informed of the eco-run prohibition reasons; an eco-run ECU | 04-29-2010 |
| 20100114452 | VIRTUAL THROTTLE POSITION SENSOR DIAGNOSTICS WITH A SINGLE CHANNEL THROTTLE POSITION SENSOR - A method and system for operating a throttle system includes a throttle body generating a throttle position sensor signal and encoding the throttle position sensor signal to form an encoded throttle position sensor signal. The system also includes an electronic control module receiving the encoded throttle position sensor signal from a throttle body, forming a first replicated throttle position sensor signal and a second replicated second throttle position sensor signal from the encoded signal and communicating the first replicated throttle position sensor signal and the second throttle position sensor signal to a diagnostics module. | 05-06-2010 |
| 20100114453 | SYSTEM AND METHOD FOR DETERMINING OXYGEN SENSOR HEATER RESISTANCE - An engine control module includes an exhaust heating module, a temperature determination module, and a resistance measuring module. The exhaust heating module operates an engine at a predetermined speed to generate an exhaust gas having a predetermined temperature. The exhaust gas heats a heating element of an oxygen sensor. The temperature determination module determines, based on the predetermined speed, when the heating element is heated to the predetermined temperature. The resistance measuring module determines a resistance of the heating element when the heating element is heated to the predetermined temperature. | 05-06-2010 |
| 20100114454 | TURBOCHARGED INTERNAL COMBUSTION ENGINE - A control system for controlling the supply of oil to a turbocharger fitted to an internal combustion comprises an oil supply valve ( | 05-06-2010 |
| 20100114455 | PROCEDURE FOR CHECKING THE FUNCTIONALITY OF A METERING VALVE OF A NOx-REDUCTION SYSTEM OF A COMBUSTION ENGINE - A procedure for checking the functionality of a metering valve ( | 05-06-2010 |
| 20100121554 | HYBRID DRIVE HAVING VALVE DEACTIVATION - A hybrid drive has at least one internal combustion engine having at least two cylinders, as well as at least one electric machine having at least one electric motor function and at least one generator function. The hybrid drive is arranged so as to operate all the cylinders of the at least one internal combustion engine in a full-load operation and so as to shut down at least one of the at least two cylinders in at least one part-load operation, at least one additional one of the at least two cylinders of the at least one internal combustion engine being operated. In the at least one part-load operation, the at least one shut-down cylinder has pressure applied to it, e.g., an overpressure by a combustion mixture that was combusted last. | 05-13-2010 |
| 20100121555 | METHOD AND DEVICE FOR OPERATING A COMBUSTION ENGINE - A method for setting a combustion in a combustion engine, particularly in a diesel engine, having the following steps of generating a manipulated variable, particularly a point of injection (PI), as a function of a combustion feature (MFB50%), the combustion feature (MFB50%) representing a condition in cylinder, especially a pressure characteristic in the cylinder, and setting the combustion in cylinders of the combustion engine with the aid of the manipulated variable, the manipulated variable further being generated as a function of a correction value (CV), which is determined as a function of combustion information (dQ | 05-13-2010 |
| 20100131170 | METHOD OF OPERATING A SPARK IGNITION TYPE INTERNAL COMBUSTION ENGINE - An engine provided with a variable timing mechanism (B) able to control a closing timing of an intake valve ( | 05-27-2010 |
| 20100131171 | METHOD FOR OPERATING AUTO IGNITION COMBUSTION ENGINE - A low computation method for operating auto ignition combustion engines, in which outputs, in particular a requested torque set point TQI_SP is directly linked to an injected fuel mass flow distribution, to the EGR rate and the air control by taking into account engine out emissions & drivability constrains by using a multi-objective optimization method. A method to monitor in the embedded controller the indicated torque, TQI is also proposed. | 05-27-2010 |
| 20100138133 | METHOD AND SYSTEM TO PREVENT UNAUTHORIZED USES OF ENGINE CONTROLLERS - A method and control module for enabling or disabling control of an engine includes a check module receiving signals through a wiring harness and comparing the check signals to a threshold. The control module also includes an engine control module disabling the engine when the check signals correspond to an unauthorized use. | 06-03-2010 |
| 20100138134 | ENGINE COOLING SYSTEM DIAGNOSTIC FOR APPLICATIONS WITH TWO COOLANT SENSORS - A temperature comparison module generates a temperature difference between an engine coolant temperature and a radiator coolant temperature. An energy determination module determines an energy value corresponding to heat energy generated by an engine. The heat energy increases at least one of the engine coolant temperature and the radiator coolant temperature. A diagnostic module generates a comparison of the temperature difference and the energy value and determines a status of a thermostat associated with the engine based on the comparison. | 06-03-2010 |
| 20100138135 | METHOD AND DEVICE FOR DETERMINING THE COMBUSTION LAMBDA VALUE OF AN INTERNAL COMBUSTION ENGINE - In a method and a device which allow determination of the combustion lambda value of an internal combustion engine having at least two combustion chambers without using a lambda sensor, a predetermined first fuel quantity is metered to the first combustion chamber and a predetermined second fuel quantity is metered to the second combustion chamber, the first fuel quantity is reduced by a predetermined amount and the second fuel quantity is increased by the same predetermined amount. A first engine noise, associated with the first combustion chamber, and a second engine noise, associated with the second combustion chamber, are determined. The combustion lambda value is determined based on the first engine noise value and second engine noise value. | 06-03-2010 |
| 20100145591 | DRIVE FOR AN INTERNAL COMBUSTION ENGINE COMPRISING AN OIL WET TOOTHED BELT AND A TENSIONING SHOE - A drive for an internal combustion engine having a predetermined take-up rate (TU) and comprising a drive pulley, a driven pulley, a shoe and an oil wet toothed belt cooperating in contact with a guiding surface of the shoe, presenting an optimised winding angle (α) of the guiding surface to decrease the power dissipated on the toothed belt. | 06-10-2010 |
| 20100145592 | Method for Controlling Variable Valve Apparatus of Internal Combustion Engine, and System Thereof - A method for controlling a variable valve apparatus of an internal combustion engine and a system thereof is disclosed. A method for controlling a variable valve apparatus of an internal combustion engine may include: setting a target cam phase corresponding to a current operation state of an engine received from a vehicle controller via a controller area network (CAN) bus; determining whether a deviation of the current cam phase from the target cam phase is greater than a predetermined deviation; calculating a proportion-integral-derivation (PID) sliding surface based on the target cam phase; calculating a control current for controlling a cam phase to move on the sliding surface in a case when the deviation is greater than the predetermined deviation; and operating the variable valve device so that the current cam phase can follow the target cam phase by converting the calculated control current to a driving duty ratio. | 06-10-2010 |
| 20100145593 | GEARSHIFT CONTROL METHOD - In a method and a system for controlling the Variable Turbine Geometry (VTG) of a combustion engine during up-gear shift, the VTG is opened based on a prediction when exhaust gas pressure is stabilized. During up-gear shift the VTG is closed to a closed position ( | 06-10-2010 |
| 20100145594 | HIGH LOAD SI-HCCI TRANSITIION BY SELECTIVE COMBUSTION MODE SWITCHING - A method for operating a direct-injection internal combustion engine includes unevenly distributing load among a plurality of cylinders by operating a portion of the plurality of cylinders in a spark ignition mode and the remaining portion of the plurality of cylinders in a homogeneous charge compression ignition mode. | 06-10-2010 |
| 20100152992 | METHOD FOR OPERATING A FORCED-INDUCTION INTERNAL COMBUSTION ENGINE - The precision of an intake manifold model for a supercharged internal combustion engine can be improved, wherein a first pressure value in the inlet tract ( | 06-17-2010 |
| 20100161198 | VEHICULAR CONTROL APPARATUS AND METHOD - A vehicular control apparatus that controls a device mounted on a vehicle includes: a generating means for generating respective required values of the device based on quantities of state in different units; an adjusting means for converting the required values into values in one unit and obtaining a desired value of the device based on the values in one unit; a control means for controlling the device based on the obtained, desired value; and a determining means for determining whether the vehicle is in a certain state using respective reference values set for the quantities of state, the required values, and the desired value. One of the reference values is converted into the remaining reference values in different units. | 06-24-2010 |
| 20100191437 | METHOD AND SYSTEM FOR MONITORING AN ACTIVE HYDROCARBON ADSORBER - A method and system for monitoring an exhaust gas adsorber includes a comparison module comparing the first exhaust gas constituent signal corresponding to an amount of exhaust gas constituent in an exhaust conduit and a second exhaust gas constituent signal corresponding to an amount of exhaust gas constituent in the exhaust gas adsorber. The system includes a fault module generating a fault in response to comparing in the comparison module. | 07-29-2010 |
| 20100191438 | Reference Distribution Bus - A system that includes a multiplexer having an output selectively coupled to a plurality of inputs, a bus coupled to the output of the multiplexer, and first and second circuits configured to generate first and second digital signals, respectively. The first digital signal is related to a rotational angle of a crankshaft at a first point in time, and the second digital signal is related to a value of parameter at the first point in time, wherein the parameter is one other than the rotational angle of the crankshaft. The first and second circuits are coupled directly or indirectly to first and second inputs of the multiplexer. | 07-29-2010 |
| 20100198481 | Fuel Tank System for Direct Ethanol Injection Octane Boosted Gasoline Engine - Fuel tank system for a direct ethanol injection octane boosted gasoline engine. The system includes a gasoline engine and a main fuel tank that contains a mix of gasoline and gasoline E85. A smaller secondary tank is provided to contain ethanol or E85. An injector directly injects in a separately controlled fashion ethanol or E85 into a cylinder of the engine to boost octane. A control module controls the relative amounts of gasoline and ethanol used and structure is provided for fueling the main and secondary fuel tanks. | 08-05-2010 |
| 20100204898 | ENGINE CONTROL SYSTEM - This disclosure relates to a method of configuring an engine control system for controlling the engine of a vehicle. The method involves displaying one or more graphical representations of functional elements to be performed by the engine control system and then modifying the one or more functional elements by making changes to the displayed graphical representations. This allows the engine control system to be readily reconfigured by a user. This disclosure also relates to an apparatus for configuring an engine control system and a new engine control system. A computer program product including a computer readable medium having a computer program recorded on it for configuring an engine control system is also disclosed. | 08-12-2010 |
| 20100211286 | DEVICE FOR LIMITING OUTPUT OF INTERNAL COMBUSTION ENGINE WHEN THE ENGINE HAS ABNORMALITY - An output restriction device for restricting engine output when a drive power output system for an internal combustion engine has an abnormality is provided. The output restriction device includes an abnormality detection unit, and initial restriction unit, and a secondary restriction unit. The abnormality restriction unit detects an abnormality in the drive power output system. The initial restriction unit restricts a tolerable range of the engine output to a first restriction region when the abnormality detection unit detects an abnormality in the drive power output system. A secondary restriction unit shifts the tolerable range of the engine output to a second restriction region, which has an upper limit lower than that of the first restriction region, in accordance with an operation history of the engine after the initial restriction unit restricts the tolerable range of the engine output to the first restriction region. | 08-19-2010 |
| 20100211287 | INTERNAL COMBUSTION ENGINE CONTROL DEVICE - The internal combustion engine control device includes a request output section and a mediation section. The request output section expresses a plurality of requests about internal combustion engine functions (drivability, exhaust gas, and idling) in terms of physical quantities (torque, efficiency, and air-fuel ratio) and outputs the requests. The mediation section collects a plurality of requests A-C expressed in terms of the same physical quantity and conducts mediation in accordance with a predefined rule to determine one request value E. The requests A-C output from the request output section are defined on the basis of the range of request values and the distribution of expected values indicative of the degree of expectation of request values within the range. The mediation section calculates the sum D of the expected values of the plurality of requests A-C and conducts mediation to determine the request value E that prevails when the sum is maximized. | 08-19-2010 |
| 20100217499 | MECHANICAL POWER GENERATION - Systems, processes, devices, and articles of manufacture for mechanical power generation may be implemented by various techniques. In certain implementations, a mechanical power generator may include a number of cylinders that each have at least two combustion chambers with interconnected pistons. The power generator may also include a fuel controller and an exhaust controller for each combustion chamber. A number of force conversion members may each be associated with respective ones of the cylinders by being coupled to a piston in the associated cylinder at one end. A torque conveying member may be coupled to another end of the force conversion members. | 08-26-2010 |
| 20100222981 | Method for Monitoring the Secondary Air System in an Exhaust-Gas Purification System - The individual cylinders of the internal combustion engine are divided into at least two cylinder banks wherein each is assigned a separate exhaust-gas channel. Secondary air is conveyed by a compressor. The flow of the secondary-air mass flow is set independently by an electrically controllable throughflow control. A value for the entire secondary-air mass flow is determined from the signal of a secondary-air mass sensor. The throughflow control is controlled into an open position, the value for the entire secondary-air mass flow is detected and subsequently the throughflow control is controlled into a closed position, the values for the secondary-air mass flows are detected before and after closure, and these values are compared with a plurality of different threshold values and, as a function of the result of the comparisons, a determination is made of the fault location with regard to the respective cylinder bank. | 09-02-2010 |
| 20100222982 | TORQUE MODEL-BASED COLD START DIAGNOSTIC SYSTEMS AND METHODS - A control system for an engine having a catalytic converter includes an energy calculation module that calculates a calculated mass air flow (MAF) of intake air of the engine based on a requested torque and a requested spark timing that correspond to a desired thermal energy of exhaust of the engine, and that determines an expected thermal energy of the exhaust based on the calculated MAF, and an energy residual module that determines a thermal energy residual of the exhaust based on the expected thermal energy and an estimated thermal energy of the exhaust, wherein the estimated thermal energy is based on a measured MAF of the intake air. The control system includes an energy evaluation module that determines a diagnostic result that indicates whether the catalytic converter is operating within a target temperature range based on the thermal energy residual. Related control methods are also provided. | 09-02-2010 |
| 20100222983 | Method and Computer Program for Operating an Internal Combustion Engine, and Control Unit - A method makes it possible to measure and evaluate the efficiency of a start-stop system of a vehicle having an internal combustion engine, and on the basis of the measurement, to optimize the efficiency in a vehicle-specific fashion or with regard to the driving behavior of the driver. | 09-02-2010 |
| 20100222984 | Process and Onboard Power Supply of a Motor Vehicle with an Anticipating Temporary Torque Derivation of the Internal-Combustion Engine - The invention relates to a method for reducing the energy consumption of a motor vehicle having an internal-combustion engine and having at least one electric onboard power supply to which at least a first electric consuming device is connected. In a first operating condition, the internal-combustion engine is operated with a first injection quantity and a first ignition point. In a second operating condition, the internal-combustion engine is operated with a second injection quantity higher than the first injection quantity and a second ignition point. The second ignition point in time is less favorable than the first ignition point in the case of the second injection quantity with respect to the capacity of the internal-combustion engine. Upon detecting a substantially imminent special driving situation, a driving situation detection device causes the internal-combustion engine to change from the first operating condition into the second operating condition. | 09-02-2010 |
| 20100228462 | METHOD AND SYSTEM FOR DETERMINING ENGINE BRAKE TORQUE IN REAL TIME - A method and system for controlling an engine function includes a deflection determination module generating a clutch deflection signal. The system further includes an engine function module controlling an engine function in response to the clutch deflection signal. The clutch deflection signal may be generated by sensors associated with the transmission shaft such as within the clutch housing or the friction disk. | 09-09-2010 |
| 20100235066 | SYSTEM AND METHOD FOR ENGINE LOAD MANAGEMENT - An engine load management system is disclosed. The engine load management system may have an engine and a hydraulic device driven by the engine. The engine load management system may also have a sensor associated with the hydraulic device to detect a load change of the hydraulic device, and a controller in communication with the engine, the hydraulic device, and the sensor. The controller may be configured to determine a change in engine operation required to accommodate the detected load change, and determine a modification of an engine parameter required to produce the change in engine operation. The controller may be further configured to determine a capacity for the modification, and implement the modification and relieve the load change from the hydraulic device before the load change is transmitted to the engine, based on the capacity for the modification. | 09-16-2010 |
| 20100241334 | METHOD FOR REGULATING THE COMBUSTION POSITION IN AN INTERNAL COMBUSTION ENGINE - A method for the closed-loop control of the combustion position in an internal combustion engine with several cylinders, especially in a diesel engine, with at least one engine operating parameter being detected, wherein a cylinder-selective combustion position model which is arithmetic or based on characteristic values is provided which produces a relationship between at least one determined engine operating parameter and the combustion position, and the combustion position is determined on the basis of the determined engine operating parameter by the combustion position model for each cylinder. | 09-23-2010 |
| 20100250089 | METHOD AND SYSTEM FOR GENERATING A DIAGNOSTIC SIGNAL OF AN ENGINE COMPONENT USING AN IN-CYLINDER PRESSURE SENSOR - A method and a control module for diagnosing an engine component function includes a comparison module comparing an in-cylinder pressure signal to a threshold and a fault indication module generating a diagnostic signal for an engine component in response to comparing. | 09-30-2010 |
| 20100250090 | INJECTOR TIP CLEANING SYSTEMS AND METHODS - A treatment control system comprises a monitoring module and an injection control module. The monitoring module monitors an exhaust temperature and an exhaust flow rate in an exhaust system of a vehicle. The injection control module controls injection of a dosing agent into the exhaust system for first and second regeneration events of a diesel particulate filter (DPF) and selectively injects a predetermined amount of the dosing agent into the exhaust system between the first and second regeneration events when the exhaust temperature is greater than a predetermined temperature and the exhaust flow rate is greater than a predetermined flow rate. | 09-30-2010 |
| 20100250091 | MOTOR CONTROL APPARATUS FOR INTERNAL COMBUSTION SYSTEM, AND MOTOR CONTROL APPARATUS - A control signal output unit ( | 09-30-2010 |
| 20100250092 | Device and Method for Emulating an Actuator - The invention related to a device for emulating at least one first actuator, comprising at least one electric network that can be connected to at least one control electronic circuit, wherein the electric network is operatively connected to at least one second actuator by means of at least one first control and/or regulating unit and at least one first parameter of the electric network can be changed by means of the first control and/or regulating unit, and to a method for emulating at least one first actuator. | 09-30-2010 |
| 20100262351 | ENGINE CONTROL SYSTEM AND METHOD FOR CONTROLLING ENGINE AIR FLOW DURING DECELERATION FUEL CUT - An engine control system and method for controlling engine air flow during a deceleration fuel cut includes an internal combustion engine, an anti-lock braking system (ABS), and an electronic control unit (ECU) that controls the engine. The ECU establishes a desired air flow rate for the internal combustion engine, which is taken from an ABS failed condition look-up table when determined that the ABS has failed while the engine is in a deceleration fuel cut mode, and otherwise is taken from a normal condition look-up table. | 10-14-2010 |
| 20100262352 | CONTROLLER FOR ENGINE - An ECU includes: an engine control unit that controls devices provided for an engine on the basis of a target engine rotational speed; and an engine model that calculates the target engine rotational speed such that the target engine rotational speed varies in accordance with a target engine torque and an actual engine rotational speed in a steady state, and that calculates the target engine rotational speed such that the target engine rotational speed varies in accordance with the target engine torque independently of the actual engine rotational speed in a transient state in which the engine is unstable as compared with the steady state. When the engine is controlled by the thus configured ECU, the control accuracy is improved. | 10-14-2010 |
| 20100262353 | Engine Control Device for Working Vehicle - There are provided: a pedal operation amount detection unit | 10-14-2010 |
| 20100262354 | METHOD OF CONTROLLING THE IGNITION OF A GAZOLINE ENGINE - A method of controlling the ignition of a gasoline engine having an ignition coil which generates a spark on a spark plug, whereby the instant when coil charging starts is determined for each engine cycle as a function of the angular position of the crankshaft and the rotation speed of the engine, by calculating the ratio between the crankshaft angle of rotation still to pass through before the crankshaft reaches the angular position at which the ignition spark is to be produced, and the time required to charge the coil, and, when this ratio becomes substantially equal to the measured rotation speed of the engine, the charging of the coil begins, the method including:
| 10-14-2010 |
| 20100268433 | INTERNAL COMBUSTION ENGINE FEEDBACK CONTROL WITH VARIABLY SET GAIN - A controller ( | 10-21-2010 |
| 20100268434 | Method of operation for an internal combustion engine - A method of operation for an internal combustion engine ( | 10-21-2010 |
| 20100268435 | DRIVER SELECTABLE AFM/NVH TOLERANCE - An engine control system includes a coefficient calculation module that selects one of N coefficients based on an AFM selection by a corresponding one of N users. A switching torque calculation module calculates an adjusted active fuel management (AFM) switching threshold based on the one of the N coefficients, a maximum torque of an engine, and a default AFM switching threshold. | 10-21-2010 |
| 20100268436 | CONTROL DEVICE FOR VEHICLE DRIVE UNIT - This invention is intended to ensure that a control device for a vehicle drive unit is capable of realizing desired torque by making the main-actuator and sub-actuator collaborate adequately while holding the interposition of the sub-actuator as low as possible. For this end, a future target of torque that is going to be output from the engine and a realization timing of the future target are taken as reservation information for reserving engine torque regulation. Next, the required period, which is required to realize the future target when a main-actuator (a throttle) is operated to regulate the torque, is computed from a current engine operating condition. Then, the operation of the main-actuator is started at the timing preceding the realization timing by the required period for realizing the future target. In parallel with that, a sub-actuator (an ignition system) is operated to cancel out a torque change induced by the operation of the main-actuator during the period from the start timing of the operation of the main-actuator to the realization timing. | 10-21-2010 |
| 20100268437 | METHOD FOR DETECTING A PERIODICALLY PULSING OPERATING PARAMETER - In a method for detecting a periodically pulsing operating parameter of an internal combustion engine ( | 10-21-2010 |
| 20100268438 | EXHAUST PURIFICATION DEVICE FOR HYBRID ELECTRIC VEHICLE - An ammonia selective reduction-type NOx catalyst ( | 10-21-2010 |
| 20100274462 | DIAGNOSTIC SYSTEMS AND METHODS FOR A PRESSURE SENSOR DURING DRIVING CONDITIONS - A diagnostic system includes a fuel pump module and a diagnostic control module. The fuel pump module activates a first pump when an engine is operating in a diagnostic mode. The first pump supplies fuel to fuel injectors of the engine via a fuel rail. The diagnostic control module receives a measured pressure signal from a pressure sensor that indicates a pressure of the fuel rail during the diagnostic mode. The fuel pump module sends at least one of a first and a second commanded fuel pressure signal to the first pump based on a predetermined relief pressure of a pressure relief valve. The diagnostic control module detects a fault of the pressure sensor based on an engine speed and a comparison between the measured pressure signal and at least one of the first commanded fuel pressure signal and a corrected relief pressure of the pressure relief valve. | 10-28-2010 |
| 20100274463 | IGNITION TIMING CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE - To provide an ignition timing control system for an internal combustion engine, which is capable of ensuring stable combustion without causing a misfire or knocking, by properly setting ignition timing in the compression stroke injection mode, thereby making it possible to improve drivability. The ignition timing control system for the engine | 10-28-2010 |
| 20100280735 | Method and Device for Controlling at Least One Glow Plug of a Motor Vehicle - A device and a method for controlling at least one glow plug of a motor vehicle are described. The at least one glow plug is controlled as a function of the operating state of the internal combustion engine. In this case, the control is effected as a function of a variable which depends on the exhaust gas temperature and/or as a function of the fulfillment of a fuel quantity condition and/or time condition. | 11-04-2010 |
| 20100280736 | Method for Operating a Hybrid Vehicle and Control Unit for Implementing the Method - The invention relates to a method and a control unit for operating a hybrid vehicle in which at least two power units, at least one of which is an internal combustion engine, provide torque for a hybrid vehicle drive. It is proposed that a required total reserve torque is determined, and limits of presently available reserve torques of each individual power unit are determined. | 11-04-2010 |
| 20100280737 | Engine Control Device and Method for a Hybrid Vehicle - The invention comprises an engine control device and method for use in a vehicle incorporating an internal combustion engine and a motor that are capable of transmitting motive power to an axle. The device has an engine utilization reduction portion configured to reduce the power supplied by the engine when a requested engine power is above a predefined engine power minimum value when the device is in a hybrid mode thereby increasing power provided by the electric motor. The device also may have a computer readable engine off portion configured to prevent the engine from starting or consuming fuel thereby causing the vehicle to be directionally powered by the electric motor only. The device may also have a warm up portion configured to operate the engine in warmup mode and limit the power supplied by the engine when the engine temperature is below a predefined engine operating temperature thereby reducing emissions during engine warmup. | 11-04-2010 |
| 20100280738 | METHOD AND SYSTEM FOR CONTROLLING TORQUE DURING A VEHICLE LAUNCH CONDITION - A method and control module for controlling an engine includes a requested torque module that generates a requested torque and a maximum toque capacity module that determines a maximum torque capacity corresponding to a maximum torque capacity of the engine. A launch trim torque threshold determination module determines a launch trim torque threshold. A comparison module that compares the requested torque and the launch trim torque threshold. An output module that applies a fast rate limit to the requested torque up to the launch trim threshold when the requested torque is less than the launch trim torque threshold and a shower rate limited torque request when the requested torque is greater than the launch trim torque threshold. | 11-04-2010 |
| 20100280739 | COORDINATION OF VARIABLE CAM TIMING AND VARIABLE DISPLACEMENT ENGINE SYSTEMS - A method of controlling an engine with a first group of cylinders having selectively deactivatable cylinders valves and a variable camshaft timing actuator coupled in a hydraulic system is described. In one example, the method includes during a first mode where the first group of cylinders is activated to carry out combustion cycles, adjusting the hydraulic system with a first gain based on cam timing feedback information and/or maintaining a null position of the actuator by adjusting a control signal to the hydraulic system to within a first value range. During a second mode where the first group of cylinders is deactivated, the method includes adjusting the hydraulic system with a second gain based on cam timing feedback information, the second gain higher than the first gain and/or maintaining the null position of the actuator by adjusting the control signal to the hydraulic system to within a second value range. | 11-04-2010 |
| 20100280740 | CONTROL DEVICE AND CONTROL METHOD FOR VEHICLE - An ECU executes a program including: detecting an amount of an aqueous urea solution; setting a predetermined operation line if the solution amount is equal to or more than 15%; setting a predetermined operation line if the solution amount is equal to or more than 10%; setting a predetermined operation line if the solution amount is less than 10%; controlling an engine based on a set operation line; controlling a motor generator; calculating a degree of deterioration of fuel efficiency; and performing display control. | 11-04-2010 |
| 20100286891 | Method And Apparatus For Using An Accelerometer Signal To Detect Misfiring In An Internal Combustion Engine - The method comprises operating an engine and collecting a real-time accelerometer signal from an accelerometer sensor. The real-time accelerometer signal is digitized and filtered to isolate data in a frequency range associated with combustion to produce a filtered signal data set. The filtered signal data set is integrated to produce an integrated signal data set, and misfire is detected by comparing the integrated signal data set with a predetermined reference data set associated with the same operating point. The apparatus is a control system for an engine that comprises an accelerometer sensor mounted to the engine; a look-up table in which is stored predetermined reference data sets, in association with predetermined operating conditions; and an electronic controller programmed to carry out the foregoing method. | 11-11-2010 |
| 20100292907 | SLIDING MODE CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE - A system and method for using a sliding mode control algorithm to control flow rates from air handling actuators and fuel injectors of an internal combustion engine. The sliding mode control is based on an engine model that represents the engine in terms of pressure and oxygen content states of the intake and exhaust manifolds (as a linear term) and controllable flow rates (as a nonlinear term). | 11-18-2010 |
| 20100292908 | ELECTRIC CURRENT SUPPLY CONTROL APPARATUS FOR GLOW PLUG, AND GLOW PLUG AND ELECTRIC CURRENT SUPPLY APPARATUS CONNECTED TO THE GLOW PLUG - An electric current supply control apparatus for a glow plug, and glow plug and the electric current supply control apparatus connected to the glow plug. In a transition state in which the load acting on an engine increases such as at the time of acceleration (S | 11-18-2010 |
| 20100299045 | VEHICLE CONTROL APPARATUS - A vehicle control apparatus | 11-25-2010 |
| 20100305827 | DEVICE FOR THE CENTRALIZED MANAGEMENT OF MEASUREMENTS AND DATA RELATING TO THE LIQUID AND GAS FLOWS NEEDED FOR THE OPERATION OF A COMBUSTION ENGINE - The invention relates to a device for the centralized management of measurements and data relating to liquid and/or gas flows needed for the correct operation of a combustion engine controlled by an engine computer and/or of a vehicle, said device comprising means for analyzing at least two liquid and/or gas flows including at least one light source, at least one optical signals detector and at least one system for analyzing the detected signals. At least one of said analysis means is used to analyze two of said flows. In this way, this device minimizes the bulk and added mass incurred by the analytical methods employed to analyze the various flows and simplifies the management of such a system. | 12-02-2010 |
| 20100305828 | METHOD FOR CHECKING THE OPERATIONAL CAPABILITY OF A FUEL TANK VENTILATION VALVE - A method for checking the operational capability of a fuel tank ventilation valve ( | 12-02-2010 |
| 20100318275 | METHOD AND DEVICE FOR DETERMINING A VIBRATION-OPTIMISED ADJUSTMENT OF AN INJECTION DEVICE - In a method for determining a vibration-optimised adjustment of an injection device of an internal combustion engine, for each cycle of the internal combustion engine, a plurality of individual injections per cylinder is carried out by the injection device, each of which is defined by a relative injection moment and an individual injection quantity. A temporal course of a resulting pressure influenced by pressure waves is determined in a fuel guiding part, and the above-mentioned adjustment is determined by variation of the injection moment of at least one individual injection and/or the individual quantity, such that the adjustment is characterised by a temporal variation of the resulting pressure, which is reduced by an at least partially destructive interference between the cited pressure waves. A corresponding device can determine a vibration-optimised adjustment of an injection device, and an internal combustion engine may have such a device. | 12-16-2010 |
| 20100324800 | System and Method to Enforce Excessive Engine Idle Control - A system and method for engine idle control enforcement is provided. According to one embodiment, a vehicle is monitored to determine whether it has moved a particular distance over a period of time or is moving at a particular speed. The monitoring can be accomplished using, for example, a GPS capable device. A determination can be made based on the vehicle distance or speed over a period of time as to whether the vehicle is in idle. When a determination is made that the vehicle is idle, an activation of one or more relay switches can occur to kill the engine and/or disable the starter. A park gear signal can be used as a safety mechanism to avoid killing the engine when the vehicle is determined to not be in park. In one embodiment, in order to reengage the vehicle's engine, the turnkey must be moved to the OFF position before turning the ignition ON. | 12-23-2010 |
| 20100332104 | BI-FUEL CONVERSION DEVICE FOR AN INTERNAL COMBUSTION ENGINE - Disclosed is a system including a fuel conversion device for use with a conventional internal combustion engine having an engine control unit and electronic fuel injectors allowing a conventional vehicle to operate using more than one type of fuel. The system intercepts the ECU's command signals being transmitted to the injectors before they reach the injectors and modifies the signals for optimizing the combustion cycle depending upon the type of fuel used. The conversion device enables a conventional gasoline engine to run on an alternative fuel such as alcohol, gasoline, or any combination of the two. | 12-30-2010 |
| 20110004392 | APPARATUS FOR CONTROLLING THE AMOUNT OF WASTE HEAT OF AN ENGINE - An apparatus is provided for application to a waste heat reuse system that recovers and reuses engine waste heat, and for controlling the amount of waste heat based on a requested heat amount of a heat utilization request. In the apparatus, an overlap angle between a valve-opening period of an intake valve and that of an exhaust valve of the engine is controlled based on an engine driving condition. Ignition timing of the engine is controlled to fall on maximum-efficient timing that minimizes fuel consumption in a current engine driving condition. When a requested heat amount cannot be satisfied, overlap-increase control is performed to increase an overlap angle, and ignition advance control is performed to advance ignition timing with reference to a maximum-efficient timing that corresponds to the increased overlap angle. Waste heat amount of the engine is controlled with the overlap-increase control and the ignition advance control. | 01-06-2011 |
| 20110004393 | METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE - A method for operating an internal combustion engine in which combustion air is supplied to a combustion chamber of the internal combustion engine, which air is compressed with the aid of a pulse supercharger, the pulse supercharger being controlled in such a way that optionally, in a first operating mode, the combustion air is compressed in order to support a compressor of a turbocharger, or in a second operating mode, the combustion air compressed with the aid of the compressor is cooled. | 01-06-2011 |
| 20110004394 | METHOD AND DEVICE FOR OPERATING AN INTERNAL COMBUSTION ENGINE - A first camshaft misalignment value is determined from a measurement variable allocated to an engine air flow path. A second misalignment value is determined from a first operating variable outside of the air flow path. A trouble-free operation is identified when both values are smaller than a predefined first threshold. Misalignment is confirmed when one of both values is greater than the first and a difference between both values is smaller than a predefined second threshold. An air flow path fault is identified when the first value is greater and the second value is smaller than the first threshold and when the difference between both values is greater than the second threshold. A fault outside of the air flow path is identified, when the second value is greater and the first value is smaller than the first threshold and when the difference is greater than the second threshold. | 01-06-2011 |
| 20110010070 | FUEL INDICATOR METHOD - A method for operating a vehicle is provided. The method includes, in one example during a first a rate of change of an inclination of the vehicle, adjusting a fuel level indication based on the inclination and a level of fuel within the fuel tank; and during a second rate of change of the inclination different from the first rate of change, adjusting the fuel level indication based on actual fuel consumption of the engine. In this way, it is possible to provide an accurate fuel level indication based on the inclination when the inclination is not changing too quickly. However, when inclination is changing quickly and may give degraded level readings, it is still possible to provide an accurate fuel level by transiently estimating fuel usage and using, for example, a previous fuel level reading from when the inclination was not changing too quickly. | 01-13-2011 |
| 20110010071 | SYSTEM FOR PARTICULATE MATTER SENSOR SIGNAL PROCESSING - A system having a particulate matter sensor in an exhaust stream of an engine upstream from a particulate filter and another such sensor downstream from the filter. There may also be an exhaust gas recirculation (EGR) control on the engine. The amount of particulate matter in or loading of the filter may be determined by the upstream filter. The working condition of the filter may be determined by the downstream sensor. The filter may have a heater and control for providing operational and particulate matter burn-off temperatures to the filter. A processor may be connected to the sensors, the EGR control and the filter heater control. | 01-13-2011 |
| 20110010072 | METHOD AND DEVICE FOR THE OPERATION OF AN INTERNAL COMBUSTION ENGINE COMPRISING AN EXHAUST-GAS TURBOCHARGER - In order to operate an internal combustion engine with a turbocharger, a boost pressure prevailing downstream of a compressor ( | 01-13-2011 |
| 20110010073 | CONFIGURABLE AUTOMOTIVE CONTROLLER - An engine control unit having a one-time integration of a model predictive control template via a potentially long software process. Changes to the control structure may subsequently be made via a calibration dataset connected to the engine control unit without incurring the potentially long and laborious software process of implementing the template of other approaches in the related art. | 01-13-2011 |
| 20110035132 | METHOD FOR AUTOMATICALLY CONTROLLING AN INTERNAL COMBUSTION ENGINE - A method for automatically controlling an internal combustion engine, in which an axial displacement (s(t)) and an angle of rotation (w(t)) of a gas-exchange valve are measured during a valve stroke. A displacement deviation is computed from the displacement (s(t)) relative to a reference valve, and an angle of rotation deviation is computed from an initial value and an end value of the angle or rotation. The further operation of the internal combustion engine is set on the basis of the displacement deviation and the angle of rotation deviation. | 02-10-2011 |
| 20110046864 | ENGINE CONTROLLING APPARATUS - An engine controlling apparatus for executing (i) an engine automatic stop control and/or (ii) an engine automatic restart control, during running of a vehicle. The controlling apparatus includes: an allowing/inhibiting device configured to selectively allow and inhibit execution of (i) the engine automatic stop control and/or (ii) the engine automatic restart control, by comparing each of at least one of (a) a plurality of physical amounts including (a-1) behavior-representing physical amounts and (a-2) turning-behavior-influencing physical amounts, with (b) a threshold value which is determined, depending on a running velocity of the vehicle, for the each of the at least one of the physical amounts. The behavior-representing physical amounts include at least one turning-behavior-representing physical amount. The allowing/inhibiting device includes a turning-behavior-basis allowing/inhibiting portion that is configured to selectively allow and inhibit the execution of (i) the engine automatic stop control and/or (ii) the engine automatic restart control, by comparing each of the at least one turning-behavior-representing physical amount, with the threshold value. | 02-24-2011 |
| 20110054760 | CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - To provide a control apparatus for an internal combustion engine which can effectively utilize a scavenging effect while suppressing a torque difference in the internal combustion engine provided with a variable valve mechanism which makes a valve overlap period variable. | 03-03-2011 |
| 20110066351 | METHOD AND SYSTEM FOR CONTROLLING ENGINE PERFORMANCE - Methods, systems, and computer readable storage media are provided for operating a vehicle including an engine that may be automatically shutdown in response to AESS conditions. In one example, the method comprises, determining an AESS emission credit corresponding to an amount of AESS operation; and adjusting an engine operating parameter based on the determined AESS emission credit. Further, in another example, the method comprises retarding injection timing in response to manifold air temperature, wherein an amount of retard is adjusted responsive to an amount of AESS operation. | 03-17-2011 |
| 20110066352 | SYSTEM AND METHOD FOR ENGINE AND FUEL SYSTEM MAINTENANCE - A control system for a vehicle includes a time determination module, a fuel age determination module, and an engine control module. The time determination module determines an engine off time, wherein the engine off time indicates an amount of time that an engine is off. The fuel age determination module determines an age of fuel in a fuel system of the engine. The engine control module starts the engine when one of the engine off time is greater than a predetermined time threshold and the age of the fuel is greater than a predetermined age threshold. | 03-17-2011 |
| 20110066353 | Control device of internal combustion engine - A control device of an internal combustion engine includes: an air-fuel ratio modulator, performing modulation of an air-fuel ratio of an exhaust which flows in an exhaust purifier provided in an exhaust system of the internal combustion engine; a fluctuation detector, detecting a fluctuation of the internal combustion engine due to the modulation of the air-fuel ratio performed by the air-fuel ratio modulator; a feed-back controller, performing feed-back control of a driving control parameter of the internal combustion engine so as to suppress the fluctuation detected by the fluctuation detector; a determiner, determining whether or not a driving state of the internal combustion engine is in an operating area of the feed-back controller; and an operator, setting a fluctuation suppression target value, which is a target value for suppressing the fluctuation of the internal combustion engine, to operate the feed-back controller based on the fluctuation suppression target value, when the determiner determines that the driving state of the internal combustion engine is not in the operating area of the feed-back controller, while the air-fuel modulator performs the modulation of the air-fuel ratio. | 03-17-2011 |
| 20110071747 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - The present invention relates to a control device for a spark-ignition internal combustion engine provided with a cylinder pressure sensor and aims to facilitate optimal control of a combustion state even in a situation where an operating condition is variable. | 03-24-2011 |
| 20110077836 | ENGINE CONTROL APPARATUS AND METHOD - By using a model of a transient response characteristic of an engine and a model of a steady-state characteristic of the engine, a disturbance estimate value is calculated. By using this disturbance estimate value, initial command values of a nozzle opening degree of a Variable Nozzle Turbo and a valve opening degree of a Exhaust Gas Recirculator are adjusted in order to reduce model errors and appropriately handle the disturbance. Hence, it is possible to cause Mass Air Flow and Manifold Air Pressure to follow their target values stably. | 03-31-2011 |
| 20110077837 | ENGINE CONTROL APPARATUS AND METHOD - A dynamic feedforward amount to realize a predetermined transient response characteristic by compensating a transient response characteristic of an engine having a Variable Nozzle Turbo (VNT) and an Exhaust Gas Recirculator (EGR) is calculated for a nozzle opening degree of the VNT and a valve opening degree of the EGR. The transient response characteristic of the engine responds to a setting value of an injection quantity or the like. Then, command values of the nozzle opening degree of the VNT and the valve opening degree of the EGR are calculated by using the dynamic feedforward amount. In the transient state, the followingness to the target value is improved. | 03-31-2011 |
| 20110087419 | CYLINDER PRESSURE MEASUREMENT SYSTEM AND METHOD - An engine control system includes a piston movement modeling module, a cylinder volume determination module, and a cylinder pressure estimation module. The piston movement modeling module models movement of a piston within a corresponding cylinder based on angular change of an engine crankshaft. The cylinder volume determination module determines a volume of the cylinder based on an angular position of the engine crankshaft and the modeled movement of the piston. The cylinder pressure estimation module estimates pressure in the cylinder based on the determined volume, an intake manifold absolute pressure (MAP), an intake valve timing, an exhaust valve timing, and an exhaust back pressure (EBP). | 04-14-2011 |
| 20110087420 | ENGINE CONTROLLER - A system for controlling fuel to an engine to minimize emissions in an exhaust of the engine. There may be a controller connected to an actuator, for example a fuel control actuator, of the engine and to emissions sensors, such as an NOx and/or PM sensor, proximate to an exhaust output of the engine. The controller, for example a speed controller, may have an input connected to an output of a pedal or desired speed setting mechanism. A speed sensor at a power output of the engine may be connected to an input of the controller. | 04-14-2011 |
| 20110087421 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - A control device for an internal-combustion engine designed to ensure that required responsiveness is obtained as actual torque responsiveness with respect to a torque demand even when the torque responsiveness with respect to the actuation of a particular actuator is affected by the operating conditions. A response compensating filter is provided at a preceding stage to an air inverse model, and the target torque which has been corrected by the response compensating filter is converted by the air inverse model to obtain a target opening degree of a throttle. A time constant of the response compensating filter is set on the basis of the operating conditions of the internal-combustion engine so that the responsiveness of actual torque with respect to the torque demand reaches a preset standard responsiveness. | 04-14-2011 |
| 20110093181 | METHOD FOR BIODIESEL BLENDING DETECTION BASED ON INTERNAL MEAN EFFECTIVE PRESSURE EVALUATION - A method for biodiesel blending detection in a internal combustion engine includes, but is not limited to a first evaluation of the internal mean effective pressure (IMEP) by means of measurements provided by a first sensor whose output is representative of the actual IMEP value, a second evaluation of the internal mean effective pressure (IMEP) performed measuring fuel conversion efficiency (FCE), injected fuel quantity (Q | 04-21-2011 |
| 20110093182 | ESTIMATING ENGINE PARAMETERS BASED ON DYNAMIC PRESSURE READINGS - A method and system for estimating engine parameters in a combustion engine gas exchange system based on dynamic pressure readings taken by one or more pressure sensors. According to an exemplary embodiment, the method and system may use an artificial neural network (ANN) to process the dynamic pressure readings and any additional engine conditions that may have been provided. | 04-21-2011 |
| 20110098905 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - Disclosed are a control device and a control method that are used with an internal combustion engine in which the air-fuel ratio in the vicinity of an ignition plug differs from the overall air-fuel ratio in a cylinder, and capable of properly fulfilling demands concerning various capabilities of the internal combustion engine by accurately reflecting each of the demands in the operation of each actuator. Three physical quantities, namely, a torque, an efficiency, and an air-fuel ratio, are used as controlled variables for the internal combustion engine. Target values for the controlled variables are then set by integrating at least some of demands concerning a capability of the internal combustion engine into the three physical quantities. Further, in accordance with the target values for the three controlled variables, namely, the torque, the efficiency, and the air-fuel ratio, three operation amounts, namely, an intake air amount adjustment valve opening, an ignition timing, and a fuel injection amount are set, and a fourth operation amount for adjusting the air-fuel ratio distribution in the cylinder is set. | 04-28-2011 |
| 20110106394 | METHOD AND SYSTEM FOR CONTROLLING AN ENGINE USING IN-CYLINDER PRESSURE SENSOR SIGNALS - A method and a control system that includes a window module that determines a piston position window, a mean effective pressure determination module that generates a mean effective pressure with in-cylinder pressure signals within the piston position window and an engine control module that controls the engine using the mean effective pressure. | 05-05-2011 |
| 20110106395 | PLASMA IGNITION DEVICE FOR INTERNAL COMBUSTION ENGINE - A plasma ignition device comprising: an ignition plug; an ignition circuit applying a high voltage to the plug to start discharge; a power supply circuit including a battery section for supplying an electric energy to a discharge space of the plug having impedance reduced by discharge start, and a charging section charging the battery section with a boosted voltage by a booster circuit, wherein the power supply circuit including: a first means | 05-05-2011 |
| 20110106396 | METHOD AND CONTROLLER FOR CHECKING AN EXHAUST GAS AFTERTREATMENT SYSTEM OF AN INTERNAL COMBUSTION ENGINE - The invention relates to a method for checking the operability of an exhaust gas after-treatment system ( | 05-05-2011 |
| 20110106397 | FLUID MEASURING DEVICE - Provided is a fluid measuring device for measuring flow speed of a fluid in detail. A fluid measuring device ( | 05-05-2011 |
| 20110106398 | ENGINE CONTROL SYSTEM WITH ALGORITHM FOR ACTUATOR CONTROL - An engine control apparatus which may be employed in automotive vehicles. The engine control apparatus is equipped with at least one of a combustion parameter or a controlled variable arithmetic expression. The combustion parameter arithmetic expression defines combustion conditions of the engine needed to achieve required values of engine output-related values such as exhaust emissions. The controlled variable arithmetic expression defines how to operate actuators for an operation of the engine to meet desired combustion conditions of the engine. The use of the combustion parameter or controlled variable arithmetic expression achieves simultaneous agreement of the engine output-related values with required values without mutual interference between combustion parameters associated with the combustion conditions. The engine control apparatus also works to correct target values of fuel injection-related combustion parameters based on a response delay of an air-related combustion parameter, thereby ensuring the accuracy in achieving required values of the engine output-related values. | 05-05-2011 |
| 20110106399 | ENGINE CONTROL SYSTEM WITH ALGORITHM FOR ACTUATOR CONTROL - An engine control apparatus which may be employed in automotive vehicles. The engine control apparatus is equipped with a controlled variable arithmetic expression which defines correlations between combustion parameters associated with combustion conditions of an engine and controlled variables actuators for an operation of the engine. This eliminates the need for finding relations of optimum values of the controlled variables to the combustion parameters through adaptability tests, which results in a decrease in burden of an adaptability test work and a map-making work on manufacturers. The engine control apparatus also works to learn or optimize the controlled variable arithmetic expression based on actual values of the combustion parameters, thereby avoiding undesirable changes in correlations, as defined by the controlled variable arithmetic expression, due to a change in environmental condition. | 05-05-2011 |
| 20110106400 | ENGINE CONTROL SYSTEM WITH ALGORITHM FOR ACTUATOR CONTROL - An engine control apparatus which may be employed in automotive vehicles. The engine control apparatus is equipped with at least one of a combustion parameter or a controlled variable arithmetic expression. The combustion parameter arithmetic expression defines combustion conditions of the engine needed to achieve required values of engine output-related values such as exhaust emissions. The controlled variable arithmetic expression defines how to operate actuators for an operation of the engine to meet desired combustion conditions of the engine. The use of the combustion parameter or controlled variable arithmetic expression achieves simultaneous agreement of the engine output-related values with required values without mutual interference between combustion parameters associated with the combustion conditions. | 05-05-2011 |
| 20110106401 | METHOD FOR CONTROLLING A POWERED SYSTEM - A method is provided for controlling a powered system including an engine operating on a plurality of fuel types. The method includes generating operational input signals from operational input devices, and generating a respective configuration signal indicative of a particular location of the powered system along a predetermined course comprising a mission. Additionally, based on the operational input signals, the configuration signal, and a respective engine emission profile for each of said configuration signal, the method includes generating control signals to a plurality of end use devices of the powered system to limit one or more of the total engine emissions of the fuel types, the total fuel efficiency of the fuel types, the total output power of the engine, a time of arrival of the powered system along the predetermined course, and/or a combination thereof. | 05-05-2011 |
| 20110106402 | CONTROLLER - A controller capable of immediately and high accurately controlling a detected value to a desired value in a controlled object having a large delay characteristic is provided. The controller for controlling a plant comprises a predictor ( | 05-05-2011 |
| 20110106403 | APPROACH FOR REDUCING OVERHEATING OF DIRECT INJECTION FUEL INJECTORS - A method of controlling fuel supplied to an engine is provided. In one example, a cylinder includes port and direct fuel injection. The method includes supplying a second fuel type from a second tank to the direct injector and supplying a first fuel type from a first tank to the port injector; and responsive to mis-fueling, supplying the first fuel type from the first tank to the direct injector. In response to receiving an indication of a mis-fuel, the direct fuel injector may be supplied with the second type of fuel from the second fuel storage tank. By supplying at least some fuel to the direct injector from a different source, fuel may be supplied to the DI fuel injector at various conditions to cool the DI fuel injector. In this way, overheating of the DI fuel injector may be reduced. | 05-05-2011 |
| 20110112742 | METHOD FOR THE CONTROL OF A SWITCHABLE WATER PUMP IN AN INTERNAL COMBUSTION ENGINE - A method is provided for the control of a switchable water pump for a water cooling circuit in an internal combustion engine. The method includes, but is not limited to monitoring a parameter representative of the cylinder head temperature and, in case the temperature is below a predetermined value, perform at least an on-off cycle for the switchable water pump. The on-off cycle, includes, but is not limited to at least a first phase in which the water pump is switched OFF for a time period T | 05-12-2011 |
| 20110118952 | GLOWPLUG TEMPERATURE CONTROL METHOD AND DEVICE FOR THE REDUCTION OF EMISSIONS FROM A DIESEL ENGINE - A method is provided for reducing emissions behind a catalytic converter in an exhaust gas stream of the engine. The method includes, but is not limited to controlling a power supply to a glowplug of a compression-ignition engine. The glowplug is activated if a set of at least two input values remains in a first characteristic region of an input parameter space for at least a predetermined activation time. The first characteristic region consists of one ore more contiguous regions of the input parameter space. | 05-19-2011 |
| 20110118953 | ABNORMAL COMBUSTION DETECTION METHOD FOR INTERNAL-COMBUSTION ENGINES FROM COMBUSTION INDICATOR DISTRIBUTION MODELLING - An abnormal combustion detection method for spark-ignition internal-combustion engines, from combustion indicator distribution modelling is disclosed. At least one combustion indicator such as CA10 is determined. The distribution of N values of this indicator, acquired over N cycles preceding the cycle in progress, is modelled by determining coefficients of a theoretical distribution law. Modelling is repeated by removing extreme values from among the N values or for various working points of the engine, to obtain an evolution of the coefficients. At least one parameter characterizing evolution of at least one of these coefficients is determined. The start of an abnormal combustion is detected by comparing the parameter with a predetermined threshold, and the course of the abnormal combustion detected in the combustion chamber is controlled. | 05-19-2011 |
| 20110118954 | CONTROL APPARATUS FOR A VEHICLE HAVING A PRIME MOVER - The control apparatus for a vehicle having a prime mover is applied to a vehicle having an air conditioning mechanism which performs the air conditioning in the vehicle interior by using the cooling water of the internal combustion engine. The engine stop permitting unit permits stopping the internal combustion engine based on the requested load of the internal combustion engine, when the cooling water temperature becomes equal to or higher than the engine stop permitting water temperature. The engine activating unit activates the internal combustion engine when the cooling water temperature becomes lower than the engine activation requesting water temperature, which is set to be lower than the engine stop permitting water temperature. The correcting unit corrects the engine stop permitting water temperature to be higher in the case that the vehicle speed is high, than in the case that the vehicle speed is low. | 05-19-2011 |
| 20110125384 | AIR PRESSURE CONTROL SYSTEMS AND METHODS FOR TURBOCHARGER SYSTEMS - A system for an engine with a turbocharger system includes a rate determination module, a limiting rate selection module, a throttle inlet absolute pressure (TIAP) calculation module, and a throttle control module. The rate determination module generates a pressure rate value based on a pressure difference between a current TIAP signal from a TIAP sensor and a previous TIAP signal. The limiting rate selection module selects a limiting rate based on the pressure rate value. The TIAP calculation module generates a calculated TIAP signal based on the limiting rate and the current TIAP signal. The throttle control module generates a throttle control signal based on the calculated TIAP signal and actuates an inlet throttle valve of the engine based on the throttle control signal. | 05-26-2011 |
| 20110125385 | CONTROL DEVICE OF A MOTOR VEHICLE AND METHOD FOR EXCHANGING CONTROL AND REGULATING SIGNALS - A control device for carrying out a method of exchanging control and regulating signals in a motor vehicle includes a central control unit which is an integrated semiconductor circuit and which is disposed on at least one circuit board. At least one driver unit is disposed as a further integrated semiconductor circuit in the control device for monitoring and controlling an application. The driver unit interacts with the central control unit. For this purpose, the central control unit includes a first optical transceiver, the driver unit includes a further optical transceiver and the transceivers are optically coupled for data exchange. | 05-26-2011 |
| 20110130942 | DEVICE AND METHOD FOR MEASURING ENGINE TORQUE AND CONTROL PROGRAM - A device for measuring torque of an engine has a torque detecting section for detecting an output torque of engine cylinders, a rotation detecting section for detecting a rotation angle of a rotating section to which a piston of each cylinder is connected, a top mark detecting section for detecting the rotation angle of the piston of each cylinder, and a torque calculating section for estimating torque characteristics of each cylinder on the basis of the following: the signal of the output torque, the rotation angle of the rotating section, the rotation angle of the piston of each cylinder, the number of the cylinders of the engine, and the number of cycles of the engine. The torque calculating section estimates, as torque characteristics of each cylinder, either peak torque of each cylinder or the combustion angle at which the peak torque is attained. | 06-02-2011 |
| 20110137537 | OPERATING AN ENGINE WITH REFORMATE - The present description relates to operation and control of a fuel reformer. In one embodiment, an engine constituent is adjusted in response to limiting an amount of reformate supplied to the engine during a condition of reformer degradation. The approach can improve engine operation. | 06-09-2011 |
| 20110137538 | METHOD FOR DETERMINE GAS PRESSURE IN AN EXHAUST AFTER-TREATMENT SYSTEM - A method, a computer readable medium embodying a computer program product, and an apparatus are provided determining a pressure in an exhaust line of an internal combustion engine. The internal combustion engine has at least a combustion chamber with an associated exhaust line including, but not limited to a muffler and an after-treatment system. The after-treatment includes, but is not limited to units that are serially connected for at least reducing and preferably substantially eliminating emissions due to combustion products. The method includes, but is not limited to determining the pressure value upstream the muffler, and determining the pressure value upstream each unit of the after-treatment exhaust system by means of the equation P | 06-09-2011 |
| 20110144881 | ENGINE CONTROL USING SPARK RESTRIKE/MULTI-STRIKE - Systems and methods for controlling an internal combustion engine include determining presence of charge dilution and selecting a spark restrike mode to provide multiple spark events during a single combustion cycle. Charge dilution may be determined based on commanded air/fuel ratio and exhaust gas recirculation, for example. Multiple spark events may be controlled using time-based restrike or current-based restrike in response to one or more operating parameters or conditions. | 06-16-2011 |
| 20110144882 | APPROACH FOR VARIABLE PRESSURE OIL INJECTION - Varying oil injection by an oil injector onto a piston of an engine to accommodate different operating conditions. | 06-16-2011 |
| 20110144883 | Engine Control with Valve Operation Monitoring Using Camshaft Position Sensing - A system or method for controlling a multiple cylinder internal combustion engine operable in a reduced displacement mode with at least one valve or cylinder selectively deactivated include monitoring valve operation by analyzing camshaft position to detect valve operation inconsistent with a current cylinder state (activated or deactivated) and controlling the engine in response to detecting the inconsistent operation. The camshaft position may be used to produce a surrogate signal indicative of intake/exhaust valve lift generated using camshaft sensor tooth deviation relative to an expected or reference tooth position for a corresponding crankshaft position and compared to a corresponding threshold. The surrogate signal indicative of valve lift may also be generated by pattern matching or correlation of one or more reference tooth position patterns to a measured or inferred tooth position pattern. | 06-16-2011 |
| 20110144884 | Vehicle Launch Anticipation - Turbo lag is a known impediment of a turbocharged, small displacement engine providing the feel of a large displacement engine. A method of spinning up the exhaust turbine during an interval between the time that the operator moves his/her foot from the brake pedal to the accelerator pedal to initiate a launch. A non-exhaustive list of actions that can be taken to increase exhaust enthalpy provided to the turbine include: opening the throttle, retarding the spark, and closing the wastegate. Additionally, a brake can be applied at one of the vehicle wheels to keep the engine from launching forward during this interval. | 06-16-2011 |
| 20110144885 | CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - A control apparatus for an internal combustion engine is provided that can precisely reflect requirements relating to performance of the internal combustion engine in a control amount of each actuator by compensating for weaknesses in the so-called torque demand control. A requirement value of each of torque, efficiency, and an air-fuel ratio, and engine information are inputted to an engine inverse model. The engine inverse model is then used to calculate actuator requirement values for achieving those requirement values. An actuator direct requirement value directly required of each of actuators is also acquired. Control of the actuators is adapted to be changed between that according to the actuator requirement value and that according to the actuator direct requirement value. | 06-16-2011 |
| 20110153179 | METHOD FOR OPERATING A DIESEL ENGINE SYSTEM - A method is provided for operating a Diesel engine system. The diesel engine system includes, but is not limited to a Diesel engine, an intake line for feeding fresh induction air into the Diesel engine, an exhaust line for discharging exhaust gas from the Diesel engine, a Diesel Particulate Filter DPF located in the exhaust line, and an Exhaust Gas Recirculation EGR system for routing back exhaust gas into the Diesel engine. The EGR system includes, but is not limited to a long EGR route LRE that gets exhaust gas from the exhaust line downstream the DPF. The method includes, but is not limited to setting a soot threshold (Sth) for the amount of soot flowing into the LRE, determining the actual amount of soot (Saa) flowing into the LRE, and activating a LRE protection routine, if the actual amount of soot (Saa) exceeds the soot threshold (Sth). | 06-23-2011 |
| 20110166765 | METHOD AND SYSTEM FOR FUEL VAPOR CONTROL - A method and system for fuel vapor control in a hybrid vehicle (HEV). The HEV fuel vapor recovery system includes a fuel tank isolation valve, which is normally closed to isolate storage of refueling from storage of diurnal vapors. The method for fuel vapor control includes selectively actuating the fuel tank isolation valve during interrelated routines for refueling, fuel vapor purging, and emission system leak detection diagnostics to improve regulation of pressure and vacuum the HEV fuel vapor recovery system. | 07-07-2011 |
| 20110166766 | METHOD FOR CONTROLLING THE MOVEMENT OF A COMPONENT THAT MOVES TOWARDS A POSITION DEFINED BY A LIMIT STOP IN AN INTERNAL COMBUSTION ENGINE - A method for controlling the movement of a component that moves towards a position defined by a limit stop in an internal combustion engine; the control method comprises the steps of detecting, by means of at least one acoustic microphone, the intensity of the microphonic signal generated by the impact of the component against the limit stop; and determining the impact instant and/or the impact speed of the component against the limit stop by analyzing the intensity of the microphonic signal generated by the impact. | 07-07-2011 |
| 20110172894 | METHOD OF OPERATION OF AN ELECTRIC TURBOCOMPOUNDING SYSTEM - A method of operation of an electric turbocompounding system for a reciprocating engine comprises the steps of retrieving from the engine ECU data pertaining to engine condition, retrieving from a set of turbine efficiency data an optimum turbogenerator speed at the engine condition, setting a desired turbogenerator set speed based on the engine condition and on a speed at which turbine efficiency is deemed to be optimum, measuring an output voltage of the turbogenerator, comparing the measured voltage with a pre-determined voltage range and where the measured voltage falls outside of the pre-determined voltage range, adjusting the turbogenerator set speed to reduce or increase the output voltage to within the pre-determined voltage range. | 07-14-2011 |
| 20110178691 | ACCELERATOR PEDAL TORQUE REQUEST SYSTEMS AND METHODS - An engine control system comprises a pedal torque request module, a filtering module, a selection module, and an arbitration module. The pedal torque request module determines a first pedal torque request at a first time and determines a second pedal torque request at a second time. The first time is before the second time. The filtering module determines a filtered pedal torque request based on the first pedal torque request, the second pedal torque request, and a filter coefficient. The selection module selects one of the second pedal torque request and the filtered pedal torque request. The arbitration module arbitrates between at least one driver torque request and the selected one of the second pedal torque request and the filtered pedal torque request, outputs a raw driver request based on a result of the arbitration, and controls at least one engine actuator based on the raw driver request. | 07-21-2011 |
| 20110178692 | METHOD FOR CONTROLLING THE FLOW OF A COOLING LIQUID - A method for controlling flow of a cooling liquid in a combustion engine, including a casing and a water pump. A material temperature estimate, corresponding to the hottest point in the casing, is carried out from a stored power calculation calculated by a restored power integral corresponding to power restored to the cooling liquid if the cooling liquid were set in motion. | 07-21-2011 |
| 20110184625 | SPARK PLUG HAVING A THERMOSENSOR - A spark plug includes a ground electrode, a center electrode and a thermosensor for detecting a temperature, the thermosensor being situated on a combustion chamber-side end of the spark plug near the combustion chamber, and an end area of the thermosensor being situated so that it is exposed on the spark plug. In addition, an internal combustion engine having a spark plug is provided. | 07-28-2011 |
| 20110184626 | METHOD AND DEVICE OF A CONTROL FOR A START- STOP CONTROL OPERATION OF AN INTERNAL COMBUSTION ENGINE - In a method of control for a start-stop operation of an internal combustion engine in a motor vehicle for briefly stopping and starting the internal combustion engine, which is started by an electric machine as starter, a detection device detects the position and the rotational speed of a crankshaft following the switch-off of the internal combustion engine. The curve of the rotational speed of the crankshaft following the switch-off of the internal combustion engine is actively and instantaneously calculated in advance. | 07-28-2011 |
| 20110184627 | ENGINE CONTROL SYSTEM - A ground engaging vehicle including a frame, an engine, a controller, an accelerator, a position sensor and an interpreter. The engine is supported by the frame and the engine includes a throttle. The controller is in communication with the engine. The position sensor is associated with the accelerator. The position sensor generates a first signal corresponding to a position of the accelerator. The interpreter receives the first signal from the position sensor and generates a second signal dependent upon the first signal. The interpreter communicates the second signal to the controller. | 07-28-2011 |
| 20110202252 | COMPANION CHIP FOR ENGINE CONTROL SIGNAL PROCESSING - A companion chip for engine control signal processing. The companion chip includes a signal pre-processing circuit which is developed for the computation of an interpolation and a tangential slope of an engine control signal. | 08-18-2011 |
| 20110202253 | FUEL EFFICIENT AMMONIA GENERATION STRATEGY FOR LEAN-BURN ENGINES UTILIZING PASSIVE NH3-SCR FOR THE CONTROL OF NOX - A method and system for operating an ammonia generation cycle in an internal combustion engine and a connected aftertreatment system includes monitoring a parameter of engine operation, comparing the parameter of engine operation to a threshold delineating operation of the engine in one of a stoichiometric operation and rich operation, and operating the ammonia generation cycle based upon the comparing indicating the parameter of engine operation exceeding the threshold. | 08-18-2011 |
| 20110208402 | LONGITUDINAL G ADJUSTED THROTTLE RESPONSE - A system and method for adjusting an engine throttle opening amount includes a slope-determining unit that determines an angle of inclination of a vehicle, a throttle request determining unit that determines a throttle request, and an engine control unit. The slope-determining unit may include a longitudinal g acceleration sensor. The engine control unit calculates a slope gain factor from the angle of inclination and compares the slope gain factor to a predetermined threshold. If the slope gain factor is greater than the predetermined threshold, the engine control unit generates a throttle command to increase the current throttle opening amount based on the throttle request and the slope gain factor. Alternatively, if the slope gain factor is less than or equal to the predetermined threshold, the engine control unit controls the throttle opening amount based on the throttle request and independently of the slope gain factor. | 08-25-2011 |
| 20110208403 | OUTPUT CONTROL UNIT OF A VEHICLE - According to the present invention, an output control unit of a vehicle having a front riding space and a rear riding space, includes: riding detection means for detecting the riding of the passenger in the rear riding space; wherein when the riding detection means detects the riding of the passenger, the output control unit regulates the output of the engine of the vehicle as compared with the output when the riding detection means does not detect the riding of the passenger. | 08-25-2011 |
| 20110208404 | HIGH-ACCURACY IMEP COMPUTATIONAL TECHNIQUE USING A LOW-RESOLUTION ENCODER AND A CUBIC SPLINE INTEGRATION PROCESS - A method for computing indicated mean effective pressure (IMEP) in an internal combustion engine using sparse input data. The method uses a cubic spline integration approach, and requires significantly lower resolution crankshaft position and cylinder pressure input data than existing IMEP computation methods, while providing calculated IMEP output results which are very accurate in comparison to values computed by existing methods. By using sparse input data, the cubic spline integration method offers cost reduction opportunities for a manufacturer of vehicles, engines, and/or electronic control units, through the use of lower cost sensors and the consumption of less computing resources for data processing and storage. | 08-25-2011 |
| 20110208405 | INTERNAL COMBUSTION ENGINE CONTROL FOR IMPROVED FUEL EFFICIENCY - A variety of methods and arrangements for improving the fuel efficiency of internal combustion engines are described. Generally, an engine is controlled to operate in a skip fire variable displacement mode. In various embodiments, the appropriate firings are determined dynamically during operation of the engine on a firing opportunity by firing opportunity basis and/or without the use of predefined firing patterns. | 08-25-2011 |
| 20110208406 | METHOD OF REDUCING ICING-RELATED ENGINE MISFIRES - A method of reducing icing-related engine misfires during operation of a vehicle is provided. The vehicle can include an engine and an engine control unit operable for at least partially controlling operation of the engine. The vehicle can further include a plurality of sensors in electrical communication with the engine control unit. The engine can include an air intake system and an exhaust system, wherein the air intake system can include a positive crankcase ventilation valve. The method includes predicting the presence of ice within the air intake system based upon an input to the engine control unit from at least one of the sensors. | 08-25-2011 |
| 20110213538 | Method and related system of using crankcase pressure to to detect pre-ignition in spark ignition engine - Methods and a related system of preventing a pre-ignition event in a spark ignition engine. Unusual crankcase pressure fluctuations often occur prior to a Low-Speed Pre-Ignition (LSPI) event. A high speed high resolution pressure transducer ( | 09-01-2011 |
| 20110213539 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - Disclosed is an internal combustion engine control device that is capable of accurately estimating a turbine flow rate during a transient operation of an internal combustion engine with a turbocharger having a WGV. Steps are performed to acquire an exhaust gas flow rate mcyl (=mB), a WGV opening WG (=X), and a turbine rotation speed Ntb (=Na) during the transient operation of the internal combustion engine. Steps are then performed to calculate the turbine flow rate (=mtA) and exhaust gas flow rate mcyl (=mA), which prevail when the turbine rotation speed Ntb and WGV opening WG acquired during the transient operation are achieved during a steady operation. Next, a step is performed to calculate the turbine flow rate (=mtB) during the transient operation by applying the flow rate ratio of mtA to mA to the exhaust gas flow rate mcyl during the transient operation. Preferably, the turbine rotation speed Ntb during an Ntb transient operation is estimated by using a turbine flow rate change amount Δmt (=mtB−mtA) during the transient operation. | 09-01-2011 |
| 20110213540 | INTERNAL COMBUSTION ENGINE CONTROL FOR IMPROVED FUEL EFFICIENCY - A variety of methods and arrangements for improving the fuel efficiency of internal combustion engines are described. In some aspects, methods and arrangements are described for operating an engine in a throttled skip fire mode. In other aspects, methods and arrangements are described for controlling the operational state of a variable displacement engine. | 09-01-2011 |
| 20110213541 | INTERNAL COMBUSTION ENGINE CONTROL FOR IMPROVED FUEL EFFICIENCY - A variety of methods and arrangements for improving the fuel efficiency of internal combustion engines are described. Generally, an engine is controlled to operate in a skip fire variable displacement mode. Predictive Adaptive control is used to dynamically determine the working cycles to be skipped to provide a desired engine output. | 09-01-2011 |
| 20110213542 | METHOD OF CONTROLLING AN INTERNAL COMBUSTION ENGINE AND CORRESPONDING INTERNAL COMBUSTION ENGINE - A method of controlling an internal combustion engine that includes an exhaust line fitted with a particulate filter, the method including: a) acquiring a charge parameter relating to a fill level of the particulate filter, b) comparing the charge parameter with at least one determined threshold, and c) bringing the internal combustion engine to a set operating point determined as a function of various criteria of differing levels of importance. Prior to c) and with one of the criteria being the mass flow rate of particles entering the particulate filter, a constraint level coefficient is determined as a function of the result of the comparing b) and applied to the particulate mass flow rate to weight importance of this criterion in determining the engine operating point. Thus, the engine is controlled taking account of the fill level of the particulate filter, making it possible to optimize a compromise between constraint on the particulate flow rate through the exhaust line and other engine control constraints. | 09-01-2011 |
| 20110224882 | CONTROL APPARATUS FOR AN INTERNAL COMBUSTION ENGINE - A control apparatus for an internal combustion engine includes: an abnormal combustion detection unit for detecting an abnormal combustion due to self-ignition occurring; a pre-ignition determination unit for detecting abnormal combustion occurrence timing based on abnormal combustion detection information to determine whether or not the abnormal combustion is the pre-ignition based on comparison between pre-ignition determination timing and the abnormal combustion occurrence timing; a heat-source pre-ignition determination unit for determining whether the pre-ignition is the heat-source pre-ignition or the compression pre-ignition based on comparison between the abnormal combustion occurrence timing set by the pre-ignition determination timing and heat-source pre-ignition determination timing; a first avoidance unit for avoiding the heat-source pre-ignition in a case where the pre-ignition is determined as the heat-source pre-ignition; and a second avoidance unit for avoiding the compression pre-ignition in a case where the pre-ignition is determined as the compression pre-ignition. | 09-15-2011 |
| 20110224883 | METHOD TO DIAGNOSE A FAILURE OF AN OPCJ VALVE OF AN INTERNAL COMBUSTION ENGINE - A method is provided to diagnose a failure of an OPCJ valve of an internal combustion engine. The OPCJ valve is located in an auxiliary line connecting an engine lubrication line to at least an oil jet for squirting lubricating oil from the engine lubrication line towards a piston surface. The method provides for monitoring the pressure variation in the engine lubrication line due to a switching signal sent to the OPCJ valve. | 09-15-2011 |
| 20110224884 | FUEL CONTROL SYSTEM AND ASSOCIATED METHOD - A fuel control system and method for providing fuel to an internal combustion engine are provided. The fuel control system generally includes at least one valve device structured to deliver a fuel supply to the engine, a first fuel source structured to provide a primary fuel to the valve device, a second fuel source structured to provide an alternate fuel to the valve device, and an electronic controller structured to control the valve device. The electronic controller controls the valve device as a function of various data to selectively deliver the primary fuel and the alternate fuel to generate a fuel supply, e.g. as a mixture of the two fuels. The data used to control the fuel supply may include GPS data, engine data, environmental data, and/or other operational data. | 09-15-2011 |
| 20110224885 | Apparatus for Measuring In-Cylinder Pressure - A method for correcting an output characteristic of an in-cylinder pressure sensor has a problem of insufficient correction precision because the measurement range required for the detection of a peak in-cylinder pressure and an ignition timing resides in a high-pressure region of an in-cylinder combustion cycle, whereas a reference pressure used for correction is measured while leaving an intake valve and an exhaust valve open, so that the reference pressure is out of the required measurement range. An apparatus for measuring an in-cylinder pressure includes: exhaust pressure detection means disposed in an exhaust port of an internal combustion engine to measure an exhaust pressure in the exhaust port; exhaust pressure recording means that records time history of the measured exhaust pressure; and peak exhaust pressure detection means that detects a peak value for each pulsation cycle of the exhaust pressure on the basis of the recorded time history of the exhaust pressure. A peak value of the in-cylinder pressure for each combustion cycle is calculated using the detected peak value of the exhaust pressure, and the calculated peak value of the in-cylinder pressure is used as a reference pressure. | 09-15-2011 |
| 20110231077 | Control Apparatus for and Control Method of Controlling Variable Valve Mechanism in Hybrid Vehicle - In a control apparatus for and a control method of controlling a variable valve mechanism in a hybrid vehicle, just before an engine is stopped in response to an automatic stop request, an intake valve closing timing is controlled to be set to a second closing timing near the bottom dead center to stabilize an engine stop position; when the engine is stopped, the intake valve closing timing is retarded from the second closing timing to a first closing timing that is suitable for engine start; the engine is started with the closing timing being set to the first closing timing, and the intake valve closing timing is changed towards the retard angle side beyond closing timing against rev-up of the engine just after completion of engine start, so that the rev-up can be suppressed with good response while controlling the intake valve closing timing as required for starting the engine. | 09-22-2011 |
| 20110231078 | EGR DEVICE FOR INTERNAL COMBUSTION ENGINE - An EGR device for an internal combustion engine has an EGR means to return an EGR gas from an exhaust passage to an intake passage of an engine. The EGR device is configured to determine a target EGR ratio from an engine rotation number and an engine load and calculate an estimate EGR ratio from an intake air amount to the engine and a cylinder intake gas amount to detect a response delay of the EGR gas from a difference between the target and estimate EGR ratios. | 09-22-2011 |
| 20110238279 | DIAGNOSIS FOR MULTIPLE CYLINDER ENGINE - Methods and systems for diagnosing a multiple cylinder engine are provided herein. An exemplary method of diagnosing an internal combustion engine system having a multi-cylinder internal combustion engine is described. In one example, cylinder air-fuel imbalance is determined from the squared value of a difference of two values. | 09-29-2011 |
| 20110238280 | SYSTEM AND METHOD FOR ESTIMATING TORQUE OUTPUT OF A HOMOGENEOUS CHARGE COMPRESSION IGNITION ENGINE - A control system for a homogeneous charge compression ignition (HCCI) engine includes a fuel requirement estimation module, a torque estimation module, and a torque control module. The fuel requirement estimation module estimates a fuel requirement of the HCCI engine based on a desired indicated mean effective pressure (IMEP) of cylinders in the HCCI engine. The torque estimation module estimates a torque output of the HCCI engine based on the estimated fuel requirement. The torque control module adjusts the torque output of the HCCI engine based on the estimated torque output and a desired torque output. | 09-29-2011 |
| 20110238281 | Exhaust Gas Temperature Sensor Including Strain Relief and/or Anti-Vibration Sleeve - A temperature sensor includes a housing and a temperature sensing element disposed in the housing. Electrical connections may extend from the temperature sensing element through the housing and an epoxy may be disposed in the housing, wherein the epoxy may at least partially around the temperature sensing element. The epoxy may provide a thermal pathway between the sensing element and the housing and may be being flexible to accommodate different rates of thermal expansion between the temperature sensing element and the electrical connections without requiring a separate mechanical strain relief. A temperature sensor system includes a temperature sensor and a mineral insulated cable coupled to the temperature sensor. The temperature sensor may be configured to be removably coupled to the mineral insulated cable via a stop flange and a sleeve coupled to the mineral insulated cable. The sleeve may be configured to provide stability and reduce vibrational stress to the temperature sensor system. | 09-29-2011 |
| 20110246045 | METHOD FOR CONTROLLING A GLOW PLUG OF A COMBUSTION MACHINE OF A VEHICLE AND CONTROLLER FOR A GLOW PLUG OF COMBUSTION MACHINE OF A VEHICLE - A method is provided for controlling a glow plug of a combustion machine of a vehicle, the glow plug being driven by a first predetermined effective voltage, the first predetermined effective voltage being lower than the voltage of the battery of the vehicle when the combustion machine is running | 10-06-2011 |
| 20110251772 | DUAL INJECTION FOR TORQUE REDUCTION - A system comprises a torque control module, a combustion prediction module, and a fuel control module. The torque control module sets spark timing of an engine to produce a drive torque and determines an amount of delay to add to the spark timing to decrease the drive torque by a predetermined torque. The combustion prediction module predicts whether a single injection of fuel will combust in a cylinder of the engine when the amount of delay is added to the spark timing. The fuel control module actuates a plurality of separate injections of fuel into the cylinder when the combustion prediction module predicts that the single injection of fuel will not combust. | 10-13-2011 |
| 20110251773 | INTERNAL COMBUSTION ENGINE CONTROL FOR IMPROVED FUEL EFFICIENCY - A variety of methods and arrangements for improving the fuel efficiency of internal combustion engines are described. In some aspects, methods and arrangements are described for operating an engine in a throttled skip fire mode. In other aspects, methods and arrangements are described for controlling the operational state of a variable displacement engine. | 10-13-2011 |
| 20110251774 | METHOD FOR CONTROLLING GLOW PLUGS IN A DIESEL ENGINE, PARTICULARLY FOR MOTOR-VEHICLES - A method for controlling glow plugs associated with respective cylinders of a Diesel engine, which includes, but is not limited to the steps of storing data indicative of the activation sequence of the cylinders and activating sequentially each glow plug according to the stored activation sequence of the cylinders. | 10-13-2011 |
| 20110251775 | ENGINE OUTPUT CONTROL DEVICE - The gross output power of an engine distributed to at least one main machine and one auxiliary machine. A total load value calculation unit calculates the value of the lost power consumed by the auxiliary machine, and calculates the value of total load power by adding to this lost power value a target value for the main output power of the engine to be distributed to the main machine. A gross output value control unit controls the value of the gross output power so that the value of the gross output power becomes equal to the value of the total load power when the value of the total load power is less than a predetermined threshold value, and so that the value of the gross output power becomes equal to the above described threshold value when the value of the total load power is greater than the threshold value. | 10-13-2011 |
| 20110257865 | IGNITION TIMING CONTROLLER OF INTERNAL COMBUSTION ENGINE - The apparatus of the present invention corrects a control target value of ignition timing using a multipoint learned value AGdp(n) for compensating for a change amount of the ignition timing caused by time-dependent change of the engine and a basic learned value AG(i) for compensating for a change amount of the ignition timing caused by a factor other than the aforementioned time-dependent change of the engine. In a multipoint learning range n in which the time-dependent change of the engine influences the ignition timing to a great extent, the control target is corrected using the multipoint learned value AGdp(n) and the basic learned value AG(i). In ranges other than the multipoint learning range n, the control target is corrected using only the basic learned value AG(i). Normally, only the learning of the multipoint learned value AGdp(n) is permitted in the multipoint learning range n, and only the learning of the basic learned value AG(i) is permitted in the ranges other than the multipoint learning range n. When it is determined that there is a possibility that fuel has been fed to a fuel tank, the learning of the multipoint learned value AGdp(n) is prohibited for a subsequent predetermined period (if NO in step S | 10-20-2011 |
| 20110257866 | METHOD FOR IDLE SPEED CONTROL - A method is disclosed for controlling engine output in a vehicle having a hydraulic power steering system. The method may include, during an idle condition where an engine speed is set to an idle speed, adjusting engine output based on a learned absolute steering wheel angle to compensate for changes in engine load caused by operation of the hydraulic power steering system. The learned absolute steering wheel angle may be based on a steering wheel angle relative to a steering wheel position at vehicle startup and operating conditions from previous vehicle operation before the vehicle startup. | 10-20-2011 |
| 20110264352 | METHOD AND DEVICE FOR OPERATING AN INTERNAL COMBUSTION ENGINE OF A MOTOR VEHICLE - To operate an internal combustion engine of a motor vehicle, during a plurality of driving cycles of the motor vehicle at least one operating variable is recorded during each run which is representative of a harmful substance content of an exhaust gas of the internal combustion engine. The recorded runs are analyzed with respect to recurring run patterns. In a current driving cycle of the motor vehicle, a target value of an ammonia charge level of an exhaust gas catalyst of the internal combustion engine is determined using the recurring run pattern, depending on which, at least one actuating signal for an actuator is determined, the position of which affects an actual ammonia charge level of the exhaust gas catalyst. In order to convert the determined target value of the ammonia charge level of the exhaust gas catalyst, the actuator is controlled as a function of the actuating signal. | 10-27-2011 |
| 20110264353 | MODEL-BASED OPTIMIZED ENGINE CONTROL - An internal combustion engine controller having at least one forward engine model, at least one inverse control model that employs at least one neural network, at least one physical engine sensor input, at least one predetermined control input and at least one output, wherein the inverse modeling determines and calculates the at least one control input. | 10-27-2011 |
| 20110270505 | Prediction and estimation of the states related to misfire in an HCCI engine - A method for predicting and correcting an impending misfire in a homogeneous charge compression ignition (HCCI) engine includes: modeling HCCI engine operation in a nominal, steady-state operating region and in unstable operating regions bordering the steady-state operating region, using a zero-dimensional model; predicting an occurrence of an engine misfire based on the modeling of the HCCI engine operation; and providing a remedial corrective measure when an engine misfire is predicted. The remedial corrective measure includes one of: (a) late injection to avoid full combustion during a trapping cycle, and a reduction in amount of injected fuel to account for residual fuel of the previous cycle; or (b) earlier exhaust valve closing to trigger combustion of residual fuel within the trapping cycle, and a later injection and reduction of injected fuel to account for residual fuel of the previous cycle. | 11-03-2011 |
| 20110270506 | DEVICE FOR CONTROLLING A MULTIPLE SPARK OPERATION OF AN INTERNAL COMBUSTION ENGINE, AND RELATED METHOD - The invention relates to a device for controlling a multiple spark operation of an internal combustion engine, wherein an ignition transformer can be switched off and back on again for delivering or interrupting an ignition spark energy based on at least one current threshold. The invention proposes that the at least one current threshold be programmable. | 11-03-2011 |
| 20110270507 | PRIMARY TORQUE ACTUATOR CONTROL SYSTEMS AND METHODS - An engine control system includes a coordinated torque control (CTC) module, a diagnostic module, and an actuator limiting module. The CTC module determines a first position for a throttle valve of a spark-ignition, internal combustion engine and controls opening of the throttle valve based on the first position. The diagnostic module selectively diagnoses an engine shutdown fault and disables the control of the opening of the throttle valve based on the first position when the engine shutdown fault is diagnosed. The actuator limiting module determines a second position for the throttle valve based on an accelerator pedal position, selects a lesser one of the first and second positions, and selectively limits the opening of the throttle valve to the lesser one of the first second positions when the engine shutdown fault is diagnosed. | 11-03-2011 |
| 20110270508 | METHOD OF AND APPARATUS FOR OPERATING A SUPERCHARGER - A method of and apparatus for operating a supercharger for an automotive engine is disclosed. The supercharger has: an input shaft for coupling to an engine crankshaft, and coupled to the rotor of a first electrical machine and a first component of an epicyclic gear train; and an output shaft connected to a compressor and a second component of the epicyclic gear train; wherein the third component of the epicyclic gear train is connected to the rotor of a second electrical machine. The first electrical machine is selectively operable to supply electrical energy to the second electrical machine. The method includes the steps of: (a) calculating a required speed of the second electrical machine that would give rise to a required pressure at an outlet of the compressor; and (b) setting the speed of the second electrical machine to the calculated required speed. | 11-03-2011 |
| 20110276248 | CONTROL SYSTEM AND METHOD FOR CONTROLLING ENGINE EXHAUST BACK PRESSURE - A control system for an engine includes a restriction determination module and a valve control module. The restriction determination module determines a desired exhaust back pressure of the engine based on an exhaust flow rate of the engine. The valve control module selectively adjusts a valve position of an exhaust valve that restricts an exhaust flow of the engine based on the desired exhaust back pressure. The exhaust valve may include a valve body, a throttle plate, and an annular protrusion coupled to an inner surface of the valve body and protruding towards the throttle plate. The annular protrusion may abut a side of the throttle plate and may restrict fluid flow through an annular space between the throttle plate and the inner surface when the throttle plate is positioned in a rotational position transverse to a direction of fluid flow. A related method is also provided. | 11-10-2011 |
| 20110276249 | METHOD TO OPERATE AN ELECTRICALLY DRIVEN OPCJ VALVE OF AN INTERNAL COMBUSTION ENGINE - A method is provided to operate an electrically driven OPCJ valve of an internal combustion engine that includes, but is not limited to cyclically performing a control method able to generate an opening request for the OPCJ valve, of opening (which includes, but is not limited to keeping opened the OPCJ valve), when the control method generates an opening request, and of closing (which includes, but is not limited to or keeping closed the OPCJ valve), when the control method does not generate an opening request. The control method comprises the steps of determining a value of a control parameter related to an engine torque, and of generating an opening request for the OPCJ valve, if the control parameter value exceeds a threshold value of the control parameter. | 11-10-2011 |
| 20110282561 | CONTROLLER OF INTERNAL COMBUSTION ENGINE | 11-17-2011 |
| 20110282562 | IGNITION TIMING CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE - An ignition timing control system for an internal combustion engine, for controlling an ignition timing of the engine, is provided. A charging efficiency of the engine is calculated according to the intake air flow rate and the engine rotational speed which are detected, and a knock limit ignition timing is calculated according to the engine rotational speed and the charging efficiency. A knock correction value is calculated according to the knocking detection result by a knock sensor, and a learning parameter table, in which first and second learning parameters are set, is updated based on the engine rotational speed and the knock correction value when the knocking is detected. The learning parameter table is retrieved according to the engine rotational speed, to calculate the first and second learning parameters. Each-cylinder correction values are calculated corresponding respectively to a plurality of cylinders of the engine using the charging efficiency, the first learning parameter, and the second learning parameter and the ignition timing of the engine is controlled using the knock limit ignition timing and the each-cylinder correction value. | 11-17-2011 |
| 20110282563 | Onboard Controller System - A system and method for safely slowing or controlling a vehicle's speed or engine speed by selectively replacing a genuine engine control signal with a spoofed engine control signal to slow or control the vehicle. The operator is allowed control of the vehicle (e.g. genuine engine control signal) if the speed is below a threshold speed and the operator is denied control of the vehicle (e.g. spoofed engine control signal) if the speed is above the threshold speed; similarly, a maximum idle engine speed and time to idle before shut-down is enforced by selectively replacing a genuine engine control signal with a spoofed engine control signal, responsive to a set threshold for each. The threshold is set over the air (OTA). | 11-17-2011 |
| 20110288741 | Vehicle Pneumatic Booster System Operating Method and Apparatus - An apparatus and method for improving vehicle performance by application of pneumatic boost to vehicle engines, including diesel engines having at least one turbocharger supplying air to the engine, in a manner which increases engine torque output while minimizing the potential for exceed various operating limits to the maximum practicable extent. The vehicle's pneumatic booster system controller implements strategies for shaping the rate of the air injection during a boost event, tailoring the air injection to obtain maximum engine torque output while respecting the operating limits, by controlling the timing, duration, quantity and/or injection pattern during a boost event to achieve a refined distribution of compressed air injection over the course of the boost event to provide desired engine torque output and fuel efficiency while minimizing the potential for exceeding a wide variety of operation limits, regulatory, engineering and passenger comfort limits. | 11-24-2011 |
| 20110288742 | METHOD AND APPARATUS FOR CONTROLLING OPERATION OF AN INTERNAL COMBUSTION ENGINE OPERATING IN HCCI COMBUSTION MODE - An internal combustion engine is configured to operate in a homogeneous-charge compression-ignition combustion mode. Operating the internal combustion engine includes determining an integrated thermal state parameter from an aggregation of engine environment factors. A feed-forward engine control scheme is executed to determine states for engine control parameters. The states for the engine control parameters correspond to a preferred combustion phasing responsive to an operator torque request and the integrated thermal state parameter. Operation of the internal combustion engine is controlled to achieve the preferred combustion phasing using the states for the engine control parameters. | 11-24-2011 |
| 20110288743 | SYSTEM, APPARATUS AND METHOD FOR VEHICLE IDLING REDUCTION - The present invention is a system, apparatus and method for an overall power management system for powering one or more power consuming devices used in vehicles and assisting with the management of auxiliary energy storage, while ensuring that the starter battery remains charged for engine starting. The present invention may be an integrated system, and related apparatus, for managing a plurality on-board power consuming devices and power sources. The present invention may be utilized to reduce the need for engine idling to maintain power to one or more power consuming devices. The present invention may include: a monitoring device to monitor the power consumption of one or more power consuming devices and/or the charge of one or more auxiliary energy storage devices and an a starter battery; and a control device to ensure that the power consuming devices are powered while a vehicle is in a stationary position. | 11-24-2011 |
| 20110288744 | MULTI-FUEL CONTROL SYSTEM AND METHOD - A system includes a controller operable to control an engine in an operating mode. The controller operation is based at least in part on a first parameter set and on a second parameter set. The first parameter set is associated with an engine fuel supply and includes information regarding characteristics of a first fuel and a second fuel. The first fuel and second fuel are not the same type of fuel. The second parameter set is associated with one or more engine operation threshold values. | 11-24-2011 |
| 20110295482 | METHOD AND SYSTEM FOR FUEL VAPOR CONTROL - A method and system for fuel vapor control in a hybrid vehicle (HEV). The HEV fuel vapor recovery system includes a fuel tank isolation valve, which is normally closed to isolate storage of refueling from storage of diurnal vapors. The method for fuel vapor control includes selectively actuating the fuel tank isolation valve during interrelated routines for refueling, fuel vapor purging, and emission system leak detection diagnostics to improve regulation of pressure and vacuum the HEV fuel vapor recovery system. | 12-01-2011 |
| 20110295483 | CYLINDER AIR MASS PREDICTION SYSTEMS FOR STOP-START AND HYBRID ELECTRIC VEHICLES - An engine system includes a first module that determines a cylinder of an engine to be in one of M prediction types and generates a distance from intake signal indicating a number of prediction steps the cylinder is away from an intake stroke. M is an integer greater than or equal to 3. A second module determines a cycle type of the cylinder. The cycle type indicates a number of combustion cycles the cylinder has experienced from a last restart of the engine. A cylinder air charge module estimates an air mass within the cylinder based on the distance from intake signal and the cycle type. | 12-01-2011 |
| 20110295484 | WAVEGUIDE AND ASSOCIATED AUTOMOTIVE-VEHICLE-BORNE SPECTROMETER - A device for measuring a spectrum of a light beam in a wavelength range chosen beforehand, device called a spectrometer, the spectrum being generated by a fluid to be analyzed, the spectrometer including:
| 12-01-2011 |
| 20110295485 | FAULT ANALYSIS METHOD AND FAULT ANALYSIS DEVICE FOR AN INTERNAL COMBUSTION ENGINE - in a fault analysis method for an internal combustion engine having a plurality of cylinders, an angular speed of the internal combustion engine is determined, and one parameter of the combustion process of one of the plurality of cylinders ( | 12-01-2011 |
| 20110295486 | Automated Anti-Idle Warning And Shutoff System And Method - Systems and methods for assessing engine idle condition, comparing current idle conditions to allowable conditions for specific roadway locations, warning drivers and others as to status of current engine idle conditions, and automatically shutting down the engine when idle thresholds are exceeded. | 12-01-2011 |
| 20110301823 | ON-BOARD VAPOR RECOVERY SYSTEM AND APPARATUS - A vapor recovery system for an internal combustion engine is provided, the system having a fuel tank containing fuel and vapor that is in select fluid communication with an intake of the internal combustion engine, a compressor, a condensate tank, a condensate composition sensor, and an engine control unit. The engine control unit can be configured to select a desired operating mode for the internal combustion engine and to control the supply of condensate to the intake of the internal combustion engine based on the selected desired operating mode. | 12-08-2011 |
| 20110301824 | ELECTRONIC THROTTLE CONTROL - An electronic throttle control (ETC) system is disclosed for use on a recreational or a utility vehicle. The ETC system includes a drive mode selection device for selecting between a plurality of drive modes. The ETC system provides an adjustable engine idle speed and an engine power limiting feature. | 12-08-2011 |
| 20110301825 | ELECTRONIC THROTTLE CONTROL - An electronic throttle control (ETC) system is disclosed for use on a recreational or a utility vehicle. The ETC system includes a drive mode selection device for selecting between a plurality of drive modes. The ETC system provides an adjustable engine idle speed and an engine power limiting feature. | 12-08-2011 |
| 20110307157 | AIRFLOW GENERATING DEVICE FOR ALTERNATOR COOLING AND VAPOR CANISTER PURGING - Various systems and methods for an engine in a vehicle which includes an airflow generating device coupled between an alternator and a fuel vapor canister are described. In one example, airflow from the airflow generating device is directed to cool the alternator during a first mode such as when the alternator temperature is greater than a threshold temperature. During a second mode when the alternator temperature is less than the threshold temperature and the engine is boosted, for example, the airflow from the airflow generating device is directed to assist purging of fuel vapors from the fuel vapor canister. | 12-15-2011 |
| 20110307158 | APPARATUS TO CONTROL INTERNAL COMBUSTION ENGINE, METHOD FOR CONTROLLING INTERNAL COMBUSTION ENGINE AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM - An apparatus to control an internal combustion engine includes a cylinder operation controller configured to switch a cylinder operation between an all-cylinder operation and a cylinder deactivation operation. A deactivation time parameter integrating device is configured to integrate a deactivation time parameter indicating a deactivation time of the part of the plurality of cylinders to calculate an integrated deactivation time parameter. An inhibiting device is configured to inhibit the cylinder deactivation operation if the integrated deactivation time parameter calculated by the deactivation time parameter integrating device is larger than or equal to a reference value. The deactivation time parameter integrating device holds the integrated deactivation time parameter as an initial value after an operation of the internal combustion engine is stopped. The deactivation time parameter integrating device resumes integrating the deactivation time parameter using the initial value when the internal combustion engine restarts. | 12-15-2011 |
| 20110307159 | CONTROL APPARATUS OF INTERNAL COMBUSTION ENGINE - A control pattern corresponding to a ultra high expansion cycle is executed, wherein an actual timing IVCa of an intake valve closing timing is controlled to agree with a steady adapted value IVCt, an actual value εma of a mechanical compression ratio is controlled to agree with a steady adapted value εmt, and an ignition timing SA is controlled to agree with a steady adapted timing SAt. There are four cases that might be generated, including a case in which the IVCa is shifted toward a retard angle side or toward an advance angle side from the IVCt due to a response delay of a variable intake valve timing apparatus, and a case in which εma is shifted to a greater side or to a smaller side from the εmt due to the response delay of a variable compression ratio mechanism. With respect to each of four cases, there are two countermeasures, which are a countermeasure of “executing an intake valve closing timing correction or a mechanical compression ratio correction in order to return the actual value εca of the actual compression ratio to the steady adapted value εct”, and a countermeasure of “executing an ignition timing correction with the shift of the εca from the εct being maintained”. In the first embodiment, one of two countermeasures is selected for each of the four cases from the viewpoint of selecting “a pattern having the best fuel efficiency in the case in which to secure an output torque required by a driver takes first priority”. | 12-15-2011 |
| 20110307160 | System for Monitoring and Indicating Filter Life - Disclosed are systems, methods, and algorithms for monitoring and indicating filter life. In particular, the disclosed systems, methods, and algorithms may be utilized for monitoring and indicating the useful life of a filter in an internal combustion engine. | 12-15-2011 |
| 20110313634 | EGR CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - An EGR control apparatus for an internal combustion engine, which is capable of accurately controlling an inert gas amount and an inert gas ratio of two types of EGR gas supplied to cylinders of the engine via two paths different from each other, thereby making it possible to ensure a stable combustion state and reduced exhaust emissions. The EGR control apparatus includes a low-pressure EGR device, a high-pressure EGR device, and an ECU. The ECU calculates a target low-pressure opening, calculates an estimated value of an in-cylinder low-pressure inert gas flow rate, which is the estimated value of an inert gas amount included in low-pressure EGR gas supplied to the cylinders via an intake passage, calculates a target high-pressure opening using the estimated value, and controls low-pressure and high-pressure EGR control valves, using the target low-pressure opening and the target high-pressure opening. | 12-22-2011 |
| 20110313635 | AUTOMOTIVE-VEHICLE-BORNE MINIATURE SPECTROMETER HAVING A SINGLE MEASUREMENT AND REFERENCE DETECTOR - A device for measuring a spectrum of a light beam, in a wavelength range chosen beforehand, the spectrum being generated by a sample to be analyzed, the optical measuring device including at least one light source, a measurement cell and a measurement detector placed on a measurement optical pathway, the measurement optical pathway being taken by a measurement optical beam emitted by the light source, and encountering the measurement cell, a self-calibration unit allowing any drift of the light sources, due to environmental conditions or conditions of use, to be taken into account independently of whether a sample to be analyzed is present in or absent from the measurement cell, the self-calibration unit including elements for creating a reference optical pathway, taken by a reference optical beam emitted by the light source, and not encountering the measurement cell, and a reference detector. | 12-22-2011 |
| 20110313636 | METHOD FOR OPERATING A DRIVETRAIN OF A MOTOR VEHICLE - A method for operating a drivetrain of a motor vehicle, the drivetrain having a drive unit with an internal combustion engine and with at least one turbocharger, a driver demand torque being determined as a function of a present accelerator pedal actuation (PI), a drive unit torque (M | 12-22-2011 |
| 20110320103 | Exhaust Treatment Methods and Systems - A method of evaluating a particulate filter of an exhaust treatment system is provided. The method includes: selectively enabling at least one of data collection and resistance evaluation based on a particulate matter level in the particulate filter; when data collection is enabled, computing a particulate filter resistance based on a linear regression model; and when resistance evaluation is enabled, evaluating an efficiency of the particulate filter based on the particulate filter resistance. | 12-29-2011 |
| 20120010801 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - In a control device which uses a specific physical quantity as a control variable of an internal combustion engine, and controls the internal combustion engine by manipulation of one or a plurality of actuators, switching of setting of a manipulation variable based on a required value of a physical quantity and setting of the manipulation variables by direct instruction to individual actuators is performed without generating discontinuity in a realized value of the physical quantity. When a manipulation variable instruction value directly designating a manipulation variable of an actuator is present, the manipulation variable instruction value is converted into a value of a physical quantity which is realized in the internal combustion engine by the operation quantity instruction value. When a deviation between a physical quantity conversion value converted from the manipulation variable instruction value and the physical quantity required value is within a predetermined range, switch of information for use in setting of the manipulation variable of each of the actuators is permitted. | 01-12-2012 |
| 20120016563 | EMISSION DETERIORATION INFORMING DEVICE - An emission deterioration informing device senses actual injection timing, at which fuel injection is actually performed from an injector. The device calculates a deviation amount of the sensed actual injection timing from target injection timing. The device has a warning light for informing deterioration of exhaust emission when the calculated deviation amount is larger than a predetermined threshold value. The device determines whether an operation state of an internal combustion engine is an impact state, in which the exhaust emission receives a predetermined influence or more from the deviation of the actual injection timing from the target injection timing. The device allows lighting of the warning light when the operation state is determined to be the impact state. The device prohibits the lighting of the warning light when the operation state is not determined to be the impact state. | 01-19-2012 |
| 20120016564 | Apparatus and Method for Use in Computational Fluid Dynamics - An apparatus includes a parallel computation unit including an input port and an output port and a one-dimensional computational fluid dynamics model. The input port is configured to sample at a time t | 01-19-2012 |
| 20120016565 | CONTROLLER FOR INTERNAL COMBUSTION ENGINE - When the operating characteristics of an intake valve are changed by an intake valve stop mechanism, an ECU outputs a command signal (control on) to a solenoid. At this time, a timing, at which the command signal is output to the solenoid, is determined on the basis of a rotational position of a crankshaft, calculated from a signal of a crank position sensor. However, the output timing is corrected on the basis of a rotational phase difference of a camshaft with respect to the crankshaft. | 01-19-2012 |
| 20120022763 | INTERNAL EXHAUST GAS RECIRCULATION CONTROL IN AN INTERNAL COMBUSTION ENGINE - An automotive electronic control unit for an internal combustion engine comprising at least one cylinder provided with at least one intake valve and at least one exhaust valve, and a variable intake and/or exhaust valve actuation system. The electronic control unit is programmed to control the variable valve actuation system so as to obtain an internal exhaust gas recirculation through the intake and exhaust valves and to control the internal exhaust gas recirculation based on a mathematical model that models the fluid-dynamic behaviour of an intake or exhaust valve as if this was a nozzle. | 01-26-2012 |
| 20120022764 | SYSTEM AND METHOD FOR OPTIMIZING FUEL ECONOMY USING PREDICTIVE ENVIRONMENT AND DRIVER BEHAVIOR INFORMATION - Disclosed is an exemplary method for optimizing vehicle performance. The method includes determining an optimized drive torque for maximizing vehicle fuel economy and detecting a driver requested drive torque. A determination is made on whether the driver requested drive torque is performance related or safety related. The arbitrated drive torque is set to the optimized drive torque when it is determined that the driver requested drive torque is not performance and safety related. The arbitrated drive torque is set to the driver requested drive torque when it is determined that the driver requested drive torque is either performance or safety related. | 01-26-2012 |
| 20120029787 | INCREASED FUEL ECONOMY MODE CONTROL SYSTEMS AND METHODS - An engine control system includes a desired manifold absolute pressure (MAP) module, a MAP to torque module, a threshold determination module, and a fuel economy (FE) mode module. The desired MAP module determines a desired MAP for operation of an engine in one of a cylinder deactivation mode and a low-lift mode based on a difference between a desired vacuum and an air pressure upstream of a throttle valve. The MAP to torque module determines a desired torque output of the engine for operation in the one of the cylinder deactivation mode and the low-lift mode based on the desired MAP. The threshold determination module determines an entry torque based on the desired torque output. The FE mode module selectively triggers operation in the one of the cylinder deactivation mode and the low-lift mode based on a comparison of the entry torque and a torque request. | 02-02-2012 |
| 20120029788 | CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - The present invention provides a control apparatus used in an internal combustion engine that can switchably use a compressed natural gas and gasoline. The control apparatus carries out a miss fire check on the internal combustion engine over two or more combustion cycles, and, based on the results of the check, detects failures. The control apparatus prohibits switching of fuels (S | 02-02-2012 |
| 20120035826 | INTERNAL COMBUSTION ENGINE CONTROL DEVICE - The invention aims at providing an internal combustion engine control device | 02-09-2012 |
| 20120035827 | Idle Stop Control Method and Control Device - There is provided an idle stop system that can more quickly restart with small noise in conducting idle stop. In preparation for a restart request during an engine inertial rotation, after a motor is rotated in a state where a starter motor is not coupled to the engine, a pinion is engaged with a ring gear during the motor is subjected to inertial rotation like the engine. In this situation, the rotational speed including future pulsation of the engine is estimated with the use of information on the crank angle, and a pinion pushing timing is controlled so that the pinion and the ring gear contact each other with a given rotational speed difference taking a delay time of a pinion pushing unit into consideration. | 02-09-2012 |
| 20120035828 | DRIVE CONTROL DEVICE FOR A VEHICLE - A drive control device for a vehicle is preferably used for controlling an internal combustion engine and/or a transmission, for example. A total fuel consumption amount calculating unit calculates total fuel consumption amount by integrating fuel consumption when the vehicle travels a unit distance at a predetermined vehicle speed and a predetermined acceleration, with respect to a time axis in accordance with a target distance. A traveling pattern calculating unit calculates a traveling pattern indicating a relationship between a vehicle speed and an acceleration when the vehicle travels the target distance, based on the total fuel consumption amount. By performing the control based on the calculated traveling pattern, it is possible to optimize the total fuel consumption amount. Therefore, it becomes possible to improve the actual fuel consumption. | 02-09-2012 |
| 20120035829 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - A control device for an internal combustion engine according to an embodiment includes: cooling units arranged on a path where a coolant is circulated, and cooling an exhaust gas of the internal combustion engine with the coolant flowing through the cooling units; a pump circulating the coolant; and ECUs estimating a heat quantity of the exhaust gas and deciding whether or not to operate the pump after an ignition switch is detected to be OFF in response to the estimated heat quantity of the exhaust gas. | 02-09-2012 |
| 20120035830 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - A control device for an internal combustion engine according to the present embodiment, includes: cooling units | 02-09-2012 |
| 20120041663 | ABNORMALITY DETECTING DEVICE FOR CONSTRUCTION MACHINE - Provided is an abnormality detecting device for a construction machine that can estimate an abnormality occurring to a component (engine, pump, etc.) of the construction machine based on the relationship among a plurality of pieces of sensor information and thereby prevent machine failure. A correlation coefficient calculation unit | 02-16-2012 |
| 20120046847 | METHOD FOR ESTIMATING AND CONTROLLING ACCOUSTIC NOISE DURING COMBUSTION - A method for controlling combustion in a direct injection internal combustion engine operable in a lean combustion mode includes monitoring in-cylinder pressure, utilizing a time-based filter to calculate an actual combustion noise based upon the monitored in-cylinder pressure, monitoring combustion control parameters utilized by the engine, determining an expected combustion noise based upon the monitored combustion control parameters, comparing the actual combustion noise to the expected combustion noise, and adjusting the combustion control parameters based upon the comparing. | 02-23-2012 |
| 20120046848 | SYSTEM AND METHOD FOR DETECTING ENGINE OIL AERATION AND STARVATION BASED ON ENGINE VIBRATION - An engine control system includes a determination module and a detection module. The determination module, based on an engine vibration signal generated by an engine vibration sensor, determines a frequency of engine vibration and determines a crankshaft position corresponding to the engine vibration. The detection module detects engine oil aeration and starvation when the frequency and crankshaft position are greater than predetermined thresholds, respectively. | 02-23-2012 |
| 20120046849 | CONTROL SYSTEM AND METHOD BASED ON ESTIMATED ENGINE SPEED - A control system includes a speed determination module and a profile estimation module. The speed determination module determines previous engine speeds based on a predetermined profile of a crankshaft position sensor and previous pulse times corresponding to teeth on the crankshaft position sensor. The profile estimation module performs data fitting to determine an estimated profile of the crankshaft position sensor based on the previous pulse times and the previous engine speeds. The speed determination module determines present engine speeds based on the estimated profile and present pulse times corresponding to the teeth on the crankshaft position sensor. | 02-23-2012 |
| 20120046850 | CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - An apparatus for controlling an internal combustion engine that can estimate a quantity of heat generated is provided. | 02-23-2012 |
| 20120046851 | VARIABLE VALVE TIMING CONTROL APPARATUS FOR ENGINE - A variable valve timing control apparatus includes a variable valve timing device and a valve timing controller to control the variable valve timing device in a manner that an actual VCT phase coincides with a target VCT phase. When the target VCT phase is set into a predetermined phase, learning means learn the predetermined phase as a reference phase. When determining means determine that there is a learning requirement of the reference phase, enlarging means enlarge an engine operation area where the target VCT phase is set into the reference phase by shifting the target VCT phase to the reference phase in an area where the target VCT phase is close to the reference phase. | 02-23-2012 |
| 20120059566 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - In a control device for an internal combustion engine according to the present embodiment, the control device includes: cooling units arranged on a path where a coolant is circulated, and cooling an exhaust gas of an engine with the coolant flowing through the cooling units; an atmospheric pressure sensor detecting an atmosphere pressure; and ECUs deciding whether or not to perform an exhaust gas temperature control for suppressing a temperature of the exhaust gas based on whether or not a heat quantity is more than a decision value, and correcting the decision value to be lower as the atmosphere pressure is lower. | 03-08-2012 |
| 20120059567 | Method and device for operating a drive unit of a motor vehicle - A method is described for operating a drive unit of a motor vehicle, a setpoint torque being determined for driving the drive unit as a function of a driver request torque and an idle speed regulator torque being included in the driver request torque for determining the setpoint torque, and a drivability filter being applied for torque smoothing. In order to maintain the quality of the speed regulation and simultaneously make the drivability of the vehicle comfortable, the drivability filter is applied before or after the inclusion of the idle speed regulator torque in the driver request torque as a function of the instantaneous driving situation of the motor vehicle. | 03-08-2012 |
| 20120065864 | METHOD FOR CONTROLLING INTERNAL COMBUSTION ENGINES IN HYBRID POWERTRAINS - A method for selectively creating vacuum in a hybrid powertrain controlled by a hybrid control processor and having an engine controlled by an engine control module includes requesting a pressure differential between a first intake point and a second intake point, wherein the first intake point and the second intake point are separated by a throttle. An actual torque capacity is calculated for the engine, wherein the actual torque capacity occurs when pressure is substantially equal at the first intake point and at the second intake point. A desired torque capacity is also calculated for the engine, wherein the desired torque capacity reduces the pressure at the second intake point relative to the pressure at the first intake point, such that the requested pressure differential is created. The engine is then operated at one of the desired torque capacity and the actual torque capacity. | 03-15-2012 |
| 20120065865 | Method and Device for Controlling an Internal Combustion Engine - To prevent particle emissions, the start of injection of an internal combustion engine is controlled as a function of a detected dynamics of an operating parameter of the internal combustion engine. The dynamics is detected by comparing the temporal change of the operating parameter to a threshold value. The control may be carried out such that, in particular, a value of the start of injection, determined with the aid of a regulation, is frozen for a specific holding period following the detection of the dynamics. | 03-15-2012 |
| 20120072092 | FUEL CONTROL DIAGNOSTIC SYSTEM AND METHOD - A diagnostic system for an engine includes an error detection module and a diagnostic module. The error detection module selectively detects a fuel control error based on a change in a fuel correction value used to determine a quantity of fuel supplied directly to an exhaust system. The diagnostic module identifies a cause of the fuel control error based on a period since a last refueling event. The diagnostic module identifies the cause as one of variation in an actual heating value of the fuel and faulty operation of a fuel injection system that supplies the fuel. The diagnostic module further identifies the cause based on a first amount of the fuel contained in a fuel tank at a start of the last refueling event and a second amount of the fuel added to the fuel tank during the last refueling event. A control system and method are also provided. | 03-22-2012 |
| 20120078486 | Drive Train Of A Mobile Vehicle - This invention relates to a drive train ( | 03-29-2012 |
| 20120078487 | ENGINE CONTROL SYSTEM AND METHOD BASED ON FUEL QUALITY - An engine control system and method includes sensing the quality of fuel in the engine relative to emissions, by for example sensing the level of an emission related constituent, such as sulfur. A fuel quality sensor detects a fuel quality of a fuel, such as the sulfur level in the fuel, and provides a signal in response to the fuel quality. The engine control system also includes a navigation device to determine whether an engine is located in a regulated or non-regulated region. The engine control system receives the signal and controls engine operation by, for example, enabling or disabling one or more engine algorithms to improve performance of the engine based on the fuel quality signal or, in other embodiments, the combination of the fuel quality and the location of the engine. | 03-29-2012 |
| 20120078488 | SPARK TIMING ADJUSTMENT BASED ON VEHICLE ACCELERATION - Systems, methods and a processor are provided for adjusting the spark timing of an internal combustion engine. The systems, methods and processor include adjusting the spark timing of an internal combustion engine configured to power a vehicle toward peak torque timing based on an output of a longitudinal acceleration sensor configured to sense a longitudinal acceleration of the vehicle. | 03-29-2012 |
| 20120083990 | PARTICULATE FILTER ASH LOADING PREDICTION METHOD AND VEHICLE USING SAME - A particulate filter ash loading prediction method including the steps of determining a maximum average time for the filter; performing a calculation of a running average of time between regenerations of the filter; calculating an end-of-service life ratio of the filter dependent upon the maximum average time and the running average. The method further includes the steps of determining a delta pressure adjustment factor to compensate for ash loading of the filter depending upon the end-of-service life ratio; and comparing the delta pressure adjustment factor to a predetermined maximum delta pressure value, and, if the delta pressure adjustment factor exceeds the predetermined maximum normalized delta pressure adjustment factor, then indicating that a service or replacement of the filter is needed due to the ash loading. | 04-05-2012 |
| 20120083991 | ENGINE CONTROLLING APPARATUS - An engine controlling apparatus includes an idle speed setting unit that sets a target idle speed upon idling of an engine mounted on a vehicle, and a target torque setting unit that sets a target torque in response to the target idle speed. | 04-05-2012 |
| 20120083992 | COMBUSTION DETECTING METHOD OF ENGINE - A combustion phase detection method of an engine has the advantages of being able to reduce exhaust gas and to improve combustion stability, to compensate injection and ignition delay time between combustion chambers and between cycles, and to detect a combustion phase in real time such that a heat generation rate and heat release can be effectively calculated in an early state of combustion with a simple calculation method to control combustion of an engine, by using a combustion pressure and a motoring pressure difference of an engine not affected by an offset value of the cylinder pressure. For this, a combustion phase detection method may include detecting a combustion phase by using a specific point of DRdV as follows: | 04-05-2012 |
| 20120089314 | SYSTEM AND METHOD FOR DETERMINING COMPRESSION DEVICE DEGRADATION - Systems and methods for determining compression device degradation of an engine of a rail vehicle are provided. In one embodiment, a rail vehicle system includes an engine, an air-intake passage coupled to the engine, a compression device including a compressor positioned along the air-intake passage, a barometric air pressure sensor for measuring a barometric air pressure upstream of the compressor, a manifold air pressure sensor for measuring a manifold air pressure downstream of the compressor, and a controller configured to adjust a rail vehicle operating parameter responsive to a determination of compression device degradation based on a negative pressure differential between the manifold air pressure and the barometric air pressure during a designated operating condition. | 04-12-2012 |
| 20120089315 | PRE-IGNITION ESTIMATION/CONTROL DEVICE FOR AN INTERNAL COMBUSTION ENGINE - A pre-ignition estimation/control device includes: an octane number estimation module for estimating an octane number of a fuel based on detection signals received from an intake air temperature sensor, a water temperature sensor, etc; a pre-ignition-occurrence-index calculation module for calculating a pre-ignition occurrence index based on the estimated octane number and the like; a pre-ignition-occurrence-index correction module for correcting the pre-ignition occurrence index so as to cause the pre-ignition more likely to occur; an effective-compression-ratio-boundary calculation module for calculating a boundary of an effective compression ratio based on the pre-ignition occurrence index; an intake-cam-phase-advance calculation module for calculating a phase advance of an intake cam based on the boundary of the effective compression ratio and the like; and an intake-cam-phase control module for controlling an intake-cam variable phasing system based on the phase advance of the intake cam, to thereby restrict a change in phase advance. | 04-12-2012 |
| 20120089316 | SINGLE PISTON SLEEVE VALVE WITH OPTIONAL VARIABLE COMPRESSION RATIO CAPABILITY - An internal combustion engine can include a piston moving in a cylinder and a junk head disposed opposite the piston head in the cylinder. The junk head can optionally be moveable between a higher compression ratio position closer to a top dead center of the piston and a lower compression ratio position further from the top dead center position of the piston. At least one intake port can deliver a fluid comprising inlet air to a combustion chamber within the cylinder. Combustion gases can be directed out of the combustion volume through at least one exhaust port. One or both of the intake port and the exhaust port can be opened and closed by operation of a sleeve valve that at least partially encircles the piston. Related articles, systems, and methods are described. | 04-12-2012 |
| 20120089317 | Method for Controlling an Automatic Shutdown and Start-Up Process of a Drive Unit in a Motor Vehicle - A method controls an automatic shutdown and start-up process of a drive unit in a motor vehicle by way of a start and stop device, by which the drive unit is automatically shut down when the motor vehicle comes to a halt if predefined shutdown conditions are met, and by which a drive unit, which has been automatically shut down, is automatically started up if at least one start request is made. Before the initiation of an automatic shutdown process of the drive unit, a possible stop duration of the drive unit is predicted, taking into consideration the present operating variables of the vehicle, the state variables, and/or other parameters. Depending on the predicted stop duration, an automatic shutdown process is initiated when all other shutdown conditions are met. | 04-12-2012 |
| 20120095664 | MALFUNCTION DETECTION APPARATUS AND MALFUNCTION DETECTION METHOD FOR AN EGR SYSTEM - A determination is made more simply as to a malfunction of a low pressure EGR device that supplies an EGR gas from a low pressure EGR passage connecting between an exhaust passage at a location downstream of a turbine and an intake passage. Provision is made for a high pressure EGR device that connects between the exhaust passage at a location upstream of the turbine and the intake passage, the low pressure EGR device that connects between the exhaust passage at a location downstream of the turbine and the intake passage, and a detection unit that detects a malfunction of the low pressure EGR device from the degree of opening of a high pressure EGR valve at the time when the EGR gas is supplied from both the high pressure EGR device and the low pressure EGR device, and at the time when the high pressure EGR valve of the high pressure EGR device is controlled in a feedback manner so as to direct an amount of EGR gas in a cylinder toward a target range of the amount of EGR gas, while carrying out open loop control of a low pressure EGR valve of the low pressure EGR device. | 04-19-2012 |
| 20120095665 | METHOD AND SYSTEM FOR CONTROLLING A VEHICLE HAVING A HYBRID DRIVE - In a method for controlling a hybrid drive which is driven by an internal combustion engine designed as a first drive unit, and by a second drive unit, the internal combustion engine and the second drive unit contribute individually or jointly to the drive of the vehicle, and pollutant emissions are kept at the lowest possible level in all operating states of the hybrid drive. At least one control function for the internal combustion engine is carried out by a coordination unit which determines the point in time at which the internal combustion engine or the drive unit alone, or the internal combustion engine and the drive unit simultaneously, contribute to the drive of the vehicle. | 04-19-2012 |
| 20120095666 | Adaptive Desulfation and Regeneration Methods for Lean NOx Trap - An adaptive method is used for LNT desulfation and regeneration. The desulfation method involves adapting the amount of sulfur loading to trigger a desulfation event in accordance with the current adsorption capacity of the LNT. The method involves monitoring the current sulfur loading and the current LNT adsorption capacity. This data is used to calculate a loading amount “trigger”, whose value varies over the LNT lifetime. Whenever this trigger amount is reached, a desulfation event is performed. The regeneration method is similar, with the baseline data and loading threshold being determined by NOx loading rather than sulfur loading. | 04-19-2012 |
| 20120109488 | ENERGY-BASED CLOSED-LOOP CONTROL OF TURBINE OUTLET TEMPERATURE IN A VEHICLE - A vehicle includes an engine and an exhaust system which ignites fuel from fuel injectors to purify exhaust gas. An air compressor delivers compressed intake air to the engine, and a turbine energizes the compressor. A controller calculates an engine thermal efficiency value using temperature and mass flow rate values from various sensors. The controller maintains a temperature of the exhaust gas downstream of the turbine using the thermal efficiency value. A control system includes the sensors and a host machine operable for maintaining the temperature of the exhaust gas above the threshold using the thermal efficiency value. A method for maintaining the temperature of the exhaust gas includes measuring the inlet and outlet temperatures of an air intake system, measuring the mass flow rate of compressed intake air, and using the host machine to maintain the temperature of the gas using the thermal efficiency value. | 05-03-2012 |
| 20120109489 | ENGINE SOUND ENHANCEMENT IMPLEMENTATION THROUGH VARYING VEHICLE CONDITIONS - Engine sound enhancement (ESE) for a vehicle includes determining a current rate of change (ROC) in a position of an acceleration device of the vehicle from sensor data received from at least one sensor in communication with the acceleration device and calculating an ESE value based on the current ROC in the position of the acceleration device. The ESE value reflects an intensity and tone quality of at least one of the exhaust and the engine of the vehicle. The ESE also includes receiving a current RPM value, comparing the RPM value and the ROC in the position of the acceleration device to corresponding pre-defined threshold values, the pre-defined threshold values mapped to ESE tunings, and activating one of the ESE tunings when each of the current RPM value and the current ROC in the position of the acceleration device meets a corresponding pre-defined threshold value. | 05-03-2012 |
| 20120109490 | METHOD FOR CONTROLLING THE SPEED OF AN INTERNAL COMBUSTION ENGINE SUPERCHARGED BY MEANS OF A TURBOCHARGER - A method controls an internal-combustion engine ( | 05-03-2012 |
| 20120109491 | METHOD FOR CONTROLLING THE SPEED OF AN INTERNAL COMBUSTION ENGINE SUPERCHARGED BY MEANS OF A TURBOCHARGER - A method controls a supercharged internal-combustion engine and comprises steps of: establishing predetermined lower-limit and higher-limit speeds (PLLS, PHLS) of a turbocharger; calculating a reduced lower-limit speed (RLLS) according to the PLLS and an absolute temperature upstream of a compressor; calculating a reduced higher-limit speed (RHLS), according to the PHLS and temperature, higher than the RLLS; determining an “over-speed” interval (OSI) between the RRLS and RHLS; calculating a current reduced-limit speed (CRLS); controlling the turbocharger to bring the CRLS back to no greater than the RLLS every time the CRLS is detected and within the OSI; establishing in a preliminary adjustment and set-up phase a threshold value; and controlling the turbocharger to bring the CRLS back to no greater than the RLLS after a time interval, which is equal to the threshold value, has elapsed from a moment in which the CRLS is detected and within the OSI. | 05-03-2012 |
| 20120109492 | METHOD FOR CONTROLLING THE SPEED OF AN INTERNAL COMBUSTION ENGINE SUPERCHARGED BY MEANS OF A TURBOCHARGER - A method controls an internal-combustion engine ( | 05-03-2012 |
| 20120109493 | EGR CONTROLLER FOR INTERNAL COMBUSTION ENGINE - By means of an air model, an estimated quantity of an exhaust gas flowing into a cylinder and a target quantity of the exhaust gas are computed. A deviation between the estimated quantity and the target quantity is multiplied by a feedback gain to obtain a feedback correction quantity. A reference opening degree of an EGR valve is defined according to an engine driving condition and the feedback correction quantity is added to the reference opening degree to obtain a command opening degree of the EGR valve. According to the engine driving condition and the deviation between the estimated quantity and the target quantity, a feedback gain is established so that control accuracy and control stability of a feedback control can be ensured. | 05-03-2012 |
| 20120109494 | Method for Determining a Pressure at the Output of an Exhaust Gas System - In a method for determining a pressure at the output of an exhaust gas system of an internal combustion engine system of a vehicle, a mass flow through the internal combustion engine system and an ambient pressure at a fresh air supply of the internal combustion engine system are detected. The pressure at the output of the exhaust gas system is determined as a function of the mass flow, the ambient pressure and throttling of the mass flow through the internal combustion engine system. | 05-03-2012 |
| 20120109495 | SKIP FIRE INTERNAL COMBUSTION ENGINE CONTROL - A variety of methods and arrangements for controlling the operation of an internal combustion engine in a skip fire variable displacement mode are described. In one aspect, the working chamber firing that are selected to deliver the desired engine output are determined at least in part based on torque feedback. The torque feedback may be an indication of the torque output of the engine or the torque experienced at some other location in the drive train. In some embodiments, the torque feedback signal is filtered to remove high frequency components of the torque feedback signal in order to help stabilize the system. In another aspect, other operational parameters are used as feedback in the determination of the firing sequence. In yet another aspect, a filter is arranged to filter a feedback signal to provide a filtered feedback signal that is used in the determination of the working chamber firings. | 05-03-2012 |
| 20120116645 | Filter controller system - In order to calculate an estimation of the amount of deposited particulates in a first filter ( | 05-10-2012 |
| 20120116646 | METHOD FOR COMPENSATING FOR VALVE LIFT DEVIATION BETWEEN ENGINES EQUIPPED WITH CVVL MECHANISM - A method is provided for compensating for a valve lift deviation between engines equipped with a CVVL mechanism, in which the valve lift deviation is compensated for by an MAF sensor for measuring a reference air flow rate and an MAP sensor for measuring the pressure of an intake manifold. The method includes determining whether learning conditions for learning a valve lift deviation are met; after the determination, comparing a value MAP_MES measured by the MAP sensor and a modeled pressure MAP_MDL of a surge tank; if the MAP_MES value and the MAP_MDL value are different, learning the valve lift, and after the learning, calculating the final valve lift by adding the learned value of the valve lift to the basic valve lift characteristics. Various types of deviations in valve lift can be solved by using a learned value of valve lift deviation, the engines can have the same characteristics because a deviation in intake air flow rate is minimized by learning the valve lift of the engines, and the quality of the engine of the CVVL mechanism can be improved. | 05-10-2012 |
| 20120116647 | ENGINE CONTROL APPARATUS AND A METHOD FOR TRANSITIONING BETWEEN AN ALL CYLINDER OPERATION MODE AND A DEACTIVATED CYLINDER OPERATION MODE OF A MULTIPLE CYLINDER INTERNAL COMBUSTION ENGINE - Engine control apparatus includes, but is not limited to a determining device for determining whether or not the engine is operated under predetermined deceleration operating conditions or predetermined acceleration operating conditions and for individually deactivating two or more cylinders in a disenabling sequence which is different from the firing sequence if the engine is operated under predetermined deceleration operating conditions, and/or for individually reactivating two or more of the cylinders in a reactivating sequence which is different from the firing sequence if the engine is operated under predetermined acceleration conditions. | 05-10-2012 |
| 20120116648 | METHOD FOR CONTROLLING AN ENGINE - A method for operating an engine is disclosed. In one example, the method adjusts a torque limit of the engine in response to an amount of EGR in an engine cylinder. The approach may reduce the possibility of pre-ignition for boosted engines. | 05-10-2012 |
| 20120116649 | ENGINE CONTROLLER - A system for controlling fuel to an engine to minimize emissions in an exhaust of the engine. There may be a controller connected to an actuator, for example a fuel control actuator, of the engine and to emissions sensors, such as an NOx and/or PM sensor, proximate to an exhaust output of the engine. The controller, for example a speed controller, may have an input connected to an output of a pedal or desired speed setting mechanism. A speed sensor at a power output of the engine may be connected to an input of the controller. | 05-10-2012 |
| 20120116650 | VEHICLE CONTROL APPARTUS - Provided is a vehicle control apparatus which can prevent drivability from being deteriorated. The vehicle control apparatus comprises an ECU adapted to determine whether or not a brake is “off” or the state of the hysteresis width of an accelerator opening degree exceeding a predetermined hysteresis width is continued for a predetermined period of time during the execution of an engine torque reduction control process. When the ECU determines that the brake is “off” or that the state of the hysteresis width of an accelerator opening degree exceeding a predetermined hysteresis width is continued for a predetermined period of time, the ECU performs an engine torque restoration process of the engine. Therefore, the vehicle control apparatus can allow the continued execution and non-execution of the reduction control to be switched therebetween in accordance with the driver's travel intention, thereby making it possible to prevent the drivability from being deteriorated. | 05-10-2012 |
| 20120123663 | Turbosupercharged internal combustion engine control method - A method of controlling an internal combustion engine supercharged by a turbosupercharger having a turbine and a compressor; the control method including the steps of: determining, in a reduced mass flow/compression ratio graph, at least one limit operation curve of the compressor representing a limit of the operating range of the compressor; controlling the turbosupercharger to keep the actual reduced mass flow and actual compression ratio of the compressor within the limit defined by the limit operation curve of the compressor; determining an index as a function of the dynamics of the reduced mass flow of the compressor; and modifying the limit operation curve of the compressor as a function of the index. | 05-17-2012 |
| 20120130618 | METHOD AND DEVICE FOR CONTROLLING AN INTERNAL COMBUSTION ENGINE - A method for diagnosing a malfunction of a sensor system in an air system of an internal combustion engine, said sensor system comprising a first air state sensor, a second air state sensor and a third air state sensor, wherein a first value and a second value of a first comparison variable are ascertained in two different ways in an overall calculation step such that the result of a comparison between the first value and the second value is a function of each of the output variables of the first, second and third air state sensors and wherein in a fault detection step, said method recognizes as a function of the comparison between said first value and said second value of the comparison variable that a fault exists in the sensor system. | 05-24-2012 |
| 20120130619 | STOP CONTROL SYSTEM AND METHOD FOR INTERNAL COMBUSTION ENGINE - A stop control system for an internal combustion engine, which is capable of accurately stopping a piston at a predetermined position during stoppage of the engine while preventing occurrence of untoward noise and vibration. After stopping the engine | 05-24-2012 |
| 20120136551 | ENGINE CONTROL SYSTEM - In a hybrid type vehicle designed to use an engine ( | 05-31-2012 |
| 20120136552 | VEHICLE, ABNORMALITY DETERMINATION METHOD FOR INTERNAL COMBUSTION ENGINE, AND ABNORMALITY DETERMINATION DEVICE FOR INTERNAL COMBUSTION ENGINE - A vehicle including an internal combustion engine provided with a plurality of cylinders, and a control unit that determines that an abnormality of the internal combustion engine has occurred when an atmospheric pressure has a first value and an operation state represented by at least one of an output shaft revolution speed and a load of the internal combustion engine is within a preset region and determines that an abnormality of the internal combustion engine has occurred when the atmospheric pressure has a second value that is lower than the first value and the operation state is outside the region. | 05-31-2012 |
| 20120136553 | CONTROL APPARATUS FOR AUTOMATIC STOP OF ENGINE - A control apparatus controls an automatic stop of an engine mounted on a vehicle so as to automatically stop the engine if a predetermined stop condition is satisfied, the stop condition including a condition that a running speed of the vehicle is a prescribed speed or less. The control apparatus includes a prediction unit and a prohibition unit. The prediction unit predicts whether or not the next automatic stop time of the engine is less than a prescribed time capable of obtaining a fuel saving benefit based on a history of a vehicle stop time or an automatic stop time of the engine. The prohibition unit prohibits the next automatic stop of the engine if the prediction unit predicts that the next automatic stop time of the engine is less than the prescribed time. | 05-31-2012 |
| 20120143461 | Systems and Methods for Estimating a Temperature Calibration - Systems and methods for estimating a temperature calibration are described. One embodiment of a method includes determining, by a computing device, a current speed of the vehicle and determining a dynamic smoothing number, the dynamic smoothing number being dependent on the current speed, the dynamic smoothing number being utilized to determine an estimated temperature of an air injection system. Some embodiments include calculating the estimated temperature of the air injection system from the dynamic smoothing number, determining whether the estimated temperature is greater than a predetermined temperature of the air injection system, and in response to determining that the estimated temperature is greater than the predetermined temperature of the air injection system, sending a signal for on-board diagnostics to resume at a next start. | 06-07-2012 |
| 20120143462 | ENGINE HAVING SUPERCHARGED INTAKE SYSTEM WITH CDA VALVE SYSTEM/ARRANGEMENT AND METHODS RELATED THERETO - Featured is a method for controlling operation of an internal combustion engine having a supercharger, a bypass, a cylinder de-activation (CDA) system and a throttle body, where the supercharger is configured and arranged so as to be selectively operable. Such a method includes determining which of three operating modes is appropriate for a given set of operating conditions and controlling each of the supercharger, the bypass, the CDA system and the throttle body based on the determined operating mode. In the first and second operating modes, the supercharger is not operable and the bypass is opened. In the third mode, the supercharger is operable and the bypass is closed. In the first and third modes, the CDA system is configured so all cylinders are operational. In the second mode, the CDA system is configured so certain cylinders are in a deactivated state and so other cylinders remain operable. | 06-07-2012 |
| 20120143463 | STARTABILITY IMPROVING METHOD FOR GDI ENGINE USING ELECTRIC CVVT CONTROL - A method for improving startability of a of a gasoline direct injection (GDI) engine by controlling an electric continuously variable valve timing (CVVT) may include determining whether the engine is running, calculating the phase angle of the camshaft and the difference between the position of the camshaft and the optimum position of the lobe of the high pressure pump, applying a duty to the drive motor to rotate the camshaft, calculating the difference between the current position of the camshaft after rotation and the target position of the camshaft, and comparing the difference with a predetermined value. When the difference is not smaller than a predetermined value, the duty is raised and applied to the drive motor to rotate the camshaft further until the difference is reduced and smaller than the predetermined value. | 06-07-2012 |
| 20120143464 | APPARATUS AND METHOD FOR CONTROLLING MOTOR - An apparatus for controlling a motor determines whether or not to control the motor in order to control the variable valve lift device by using a measurement value of a valve lift and a target value of the valve lift, compares a predetermined base voltage range with a battery voltage in order to control the motor, determines a voltage factor corresponding to the battery voltage when the battery voltage is included in the base voltage range; and determines a driving signal value for the motor by applying the voltage factor to a predetermined base signal value. | 06-07-2012 |
| 20120143465 | APPARATUS AND METHOD FOR CONTROLLING MOTOR - Disclosed is an apparatus for controlling a motor that determines whether or not to control the motor in order to control a variable valve lift device by using a measurement value of a valve lift and a target value of the valve lift; compares a predetermined base temperature with a temperature of an engine room in order to control the motor; determines a temperature factor corresponding to the temperature of the engine room when the temperature of the engine room is larger than the base temperature; and determines a driving signal value for the motor by applying the temperature factor to a predetermined base signal value. | 06-07-2012 |
| 20120143466 | METHOD AND DEVICE FOR CONTROLLING AN INTERNAL COMBUSTION ENGINE - A method is described for monitoring a camshaft adjustment of an internal combustion engine in a first operating mode, in which, depending on a time characteristic of an actual value of the angular position of the camshaft adjustment and a time characteristic of a first setpoint value of the angular position of the camshaft adjustment, a decision is made that there are errors in the camshaft adjustment, the decision also depending on a time characteristic of a second setpoint value of the angular position of the camshaft adjustment, the first setpoint value and the second setpoint value each being ascertained at the same operating point of the internal combustion engine, and the first setpoint value for operating the internal combustion engine being ascertained in the first operating mode and the second setpoint value for operating the internal combustion engine being ascertained in a second operating mode. | 06-07-2012 |
| 20120143467 | ISG RESTART CONTROL DEVICE AND METHOD OF ISG VEHICLE - An ISG restart control device of an ISG vehicle may include a seatbelt state detecting unit that detects fastening/unfastening state of a seatbelt, a door state detecting unit that detects opening/closing state of a door, a brake pedal state detecting unit that detects an operation state of a brake pedal, and a control unit that forcibly idle-stops or restarts an engine by receiving a driving state information of the vehicle and restricts restarting of the engine in accordance with the fastening/unfastening of the seatbelt, the opening/closing of the door, and the operation state of the brake pedal which may be detected by the seatbelt state detecting unit, the door state detecting unit, and the brake pedal state detecting unit, in the restarting. | 06-07-2012 |
| 20120143468 | ISG SYSTEM AND CONTROL METHOD THEREOF - An ISG system may include a shift stage sensing unit that senses a shift stage of a transmission, a parking sensing unit that senses a driver's intension of parking by recognizing at least one of whether a vehicle enters a parking lot and whether a parking assistant system may be operated, and an ISG controller that stops an idle-stop of an engine when the shift stage of the shift stage sensing unit may be at a reverse stage or the parking sensing unit senses the driver's intension of parking. | 06-07-2012 |
| 20120143469 | ISG CONTROL METHOD FOR VEHICLE IN CONGESTED AREA - An ISG control method for a vehicle in a congested area, may include an N-stage stop determining step that determines whether a shift lever has moved from a D-stage to an N-stage and a brake has been operated, discriminating from when the shift lever is at the D-stage; an N-stage vehicle speed determining step that determines whether a vehicle speed is equal to or less than a predetermined N-stage stop vehicle speed after the N-stage stop determining step; and a remaining condition determining step for entering an idle-stop state, when the vehicle speed is equal to or less than the N-stage stop vehicle speed, as a result of performing the N-stage vehicle speed determining step, and when idle-stop entering conditions other than a position of the shift lever, the vehicle speed, and the history of a maximum traveling vehicle speed are satisfied. | 06-07-2012 |
| 20120143470 | METHOD FOR OPERATING A VARIABLE DISPLACEMENT OIL PUMP - A method is provided for operating a variable displacement oil pump of an internal combustion engine, that includes, but is not limited to measuring a value of an engine metal temperature and of preventing the variable displacement oil pump to switch from an high displacement configuration to a low displacement configuration, as long as the measured value is greater than a first threshold value of the engine metal temperature. | 06-07-2012 |
| 20120143471 | SKIP FIRE INTERNAL COMBUSTION ENGINE CONTROL - A variety of methods and arrangements for controlling the operation of an internal combustion engine in a skip fire variable displacement mode are described. In general, a firing control unit determines working chamber firings during operation of the engine that are suitable for delivering a desired engine output. In one aspect, the firing control unit is arranged to isolate the generation of firing sequences having frequency components in a frequency range of concern and to alter the firing sequence in a manner that reduces the occurrence of frequency components in the frequency range of concern. In another aspect, a filter is arranged to filter a feedback signal to provide a filtered feedback signal that is used in the determination of the working chamber firings. In preferred embodiments, the frequency characteristics of the filter are variable. In various embodiments, the frequency characteristics of the filter vary as a function engine speed and/or a transmission gear ratio. | 06-07-2012 |
| 20120143472 | SOOT DISCHARGE ESTIMATING DEVICE FOR INTERNAL COMBUSTION EINGINES - A Soot discharge amount is calculated by multiplying a “steady discharge amount” by a “transient correction value.” The steady discharge amount is a Soot discharge amount in a steady operation state, and is acquired through table search. For each of a plurality of factors which affect the Soot discharge amount, a steady value (value obtained through table search) of the factor and a transient value (current value) of the factor are substituted for a characteristic equation which represents a change in the Soot discharge amount with the value of the factor, whereby a steady characteristic value and a transient characteristic value are acquired. The “ratio between the steady characteristic value and the transient characteristic value” is then calculated for each factor. The transient correction value is obtained by multiplying together all values of the “ratio between the steady characteristic value and the transient characteristic value” obtained for the factors.” As one of factors, a “mist average equivalence ratio at a timing of starting ignition” that strongly and directly affects a Soot generation speed is contained. The transient correction value is calculated as a “coefficient which represents the degree of deviation of the Soot discharge amount from the steady discharge amount” in consideration of the influence of “deviation of the transient value from the steady value” for each factor in a transient operation state. | 06-07-2012 |
| 20120150415 | Ion Sense and Control for Ignition Energy Management - A system and method for operating an engine having ionization signal sensing include detecting plug fouling and controlling the engine using progressively more aggressive control strategies if the fouling condition persists. A first control strategy may be used when the number of engine starts or running time are below corresponding thresholds and a second strategy otherwise. The first strategy may employ progressively more aggressive control procedures to eliminate spark plug deposits that may include repetitive sparking, exhaust cycle sparking, increasing engine loading, advancing spark timing, increasing air/fuel ratio, and increasing idle speed, for example. The second strategy may include similar corrective actions employed in a different order and/or to a lesser degree in an attempt to eliminate plug fouling without any noticeable change in engine operation or performance as perceived by the vehicle operator. The control strategies may be applied to individual cylinders, cylinder banks, or all cylinders. | 06-14-2012 |
| 20120158267 | VALVE WORKING ANGLE VARIABLE SYSTEM - A drive circuit ( | 06-21-2012 |
| 20120166062 | MOTOR VEHICLE WITH AN EXHAUST GAS RETREATMENT SYSTEM AND METHOD FOR OPERATING THE MOTOR VEHICLE - A motor vehicle includes, but is not limited to an exhaust gas retreatment system. An additive is injected into an exhaust gas flow of a combustion engine and a vehicle operation or engine start can be influenced by a control unit as a function of a filling level of the additive in an additional tank. The control unit is coupled to a knowledge database and sensors for monitoring a vehicle environment, the signals of which feed the knowledge database. The control unit accessing the data of the knowledge database influences the driving operation or engine start. | 06-28-2012 |
| 20120166063 | METHOD FOR REGULATING THE RAIL PRESSURE IN A COMMON RAIL INJECTION SYSTEM OF AN INTERNAL COMBUSTION ENGINE - Proposed is a method for open-loop and closed-loop control of an internal combustion engine ( | 06-28-2012 |
| 20120173118 | CONTROL OF EGR, FRESH MASS AIR FLOW, AND BOOST PRESSURE FOR INTERNAL COMBUSTION ENGINES - An engine includes an exhaust gas recirculation circuit, an air throttle system, and a charging system. A method to control the engine includes determining a feed forward control command for a first selected one of the exhaust gas recirculation system, the air throttle system, and the charging system based on an inverse flow model of the first selected system. This includes monitoring a first input based upon an effective flow area of the first selected system, monitoring a second input based upon a pressure value within the first selected system, and determining the feed forward control command for the first selected system based upon the first input and the second input. The first selected system is controlled based upon the feed forward control command for the first selected system. | 07-05-2012 |
| 20120173119 | Systems and Methods For Determining Blow-By Gas Species Concentrations - In one embodiment, a method for determining a blow-by gas species concentration may include calculating one-dimensional engine performance data with a one-dimensional engine performance model. The one-dimensional engine performance data may be based at least in part upon an engine operating condition. The one-dimensional engine performance data may be transformed, automatically with a processor executing a two-dimensional ring dynamics model, into piston ring motion data. The two-dimensional ring dynamics model simulates geometrical changes to a piston-ring pack flow path. The blow-by gas species concentration may be determined with a network model including the one-dimensional engine performance model and a two-dimensional ring pack model. The two-dimensional ring pack model simulates species concentration change in the piston-ring pack flow path. The blow-by gas species concentration may be determined using the engine operating condition and the piston ring motion data. | 07-05-2012 |
| 20120173120 | METHODS AND APPARATUS TO DISRUPT THE ENGINE OF A VEHICLE - Methods and apparatus to transmit a range of frequencies targeting a vehicle, monitoring performance of an engine of the vehicle, determining a first frequency in the range of frequencies that disrupts operation of the engine, and dwelling on the first frequency to disrupt the engine, reducing power and continuing to dwell at the first frequency to maintain disruption of the engine. | 07-05-2012 |
| 20120173121 | VEHICULAR DIAGNOSTIC SYSTEM - The present invention provides an onboard system for determining vehicle emissions. The emissions are determined in real-time and may be transmitted to a remote terminal for storage and/or analysis. Data is supplied solely to an emissions unit from a vehicle diagnostic system: the vehicle diagnostic system receives vehicle data from vehicle systems and sub-systems. | 07-05-2012 |
| 20120179354 | Method and device for controlling the pressure inside a fuel tank - A method for controlling the pressure inside a fuel tank of an internal combustion engine of a motor vehicle includes relieving the pressure in the fuel tank when reaching a predetermined upper overpressure threshold value. In a device for controlling the pressure in the fuel tank, the pressure in the fuel tank is only relived partially, wherein the pressure relief is less than 20%, preferably less than 10% and optimally less than 5% of the upper overpressure threshold value in order to reduce the emission of volatile hydrocarbons into the environment. | 07-12-2012 |
| 20120185146 | METHOD AND DEVICE FOR AUTOMATICALLY PRODUCING MAP CHARACTERISTIC CURVE STRUCTURES FOR REGULATING AND/OR CONTROLLING A SYSTEM, IN PARTICULAR AN INTERNAL COMBUSTION ENGINE - A method for the automatic production of map characteristic curve structures for regulating and/or controlling a system. A modeling approach being used for the acquisition of causal dependencies from which, based on measurement data, a map characteristic curve structure is derived. In order to achieve an optimal map characteristic curve structure, the modeling approach has a theoretical data model from which a theoretical model deviation is determined, at least one input quantity of the data model being supplied to a map structure producer for determining a map characteristic curve structure, and the determined map characteristic curve structure being parameterized using measurement data and the result of the parameterization being compared to the theoretical model deviation, and, if a result of the comparison exceeds a specified value, the result of the comparison being resupplied to the map structure producer for the adaptation of the map characteristic curve structure. | 07-19-2012 |
| 20120185147 | METHOD AND DEVICE FOR DETERMINING A FUEL PRESSURE PRESENT AT A DIRECT INJECTION VALVE - A method for determining a fuel pressure present at a direct injection valve comprising a solenoid drive comprises (a) detecting a voltage induced in the solenoid drive within a time span comprising a closing point in time of the direct injection valve, and (b) determining the fuel pressure based on the detected induced voltage. Further, a corresponding device, a common rail system, a motor vehicle, and a computer program for determining the fuel pressure of a valve comprising a solenoid drive are provided. | 07-19-2012 |
| 20120185148 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - Disclosed is a control device that is used for an internal combustion engine and capable of making various requests concerning the performance of the internal combustion engine be reflected in a target control amount value while the requests need not be expressed in the form of a requested control amount value. The control device acquires various requests concerning the performance of the internal combustion engine and sets a request-specific constraint on a control amount value. More specifically, the control device expresses constraints to be set for control amount values as a set of constraint index values assigned to individual control amount values, and varies the distribution of the constraint index values assigned to the control amount values in accordance with the type of a request. Next, the control device integrates, for each control amount value, the constraint index values assigned to individual requests with respect to each control amount value. Then, in accordance with the distribution of the integrated constraint index value for a control amount, the control device determines a limitation of the control amount, which is defined by an upper-limit value and a lower-limit value. The control device determines a target control amount value within the determined limitation. | 07-19-2012 |
| 20120185149 | CONTROL APPARATUS OF INTERNAL COMBUSTION ENGINE - An internal combustion engine control apparatus includes an output-current abnormality-signal holding unit ( | 07-19-2012 |
| 20120185150 | IDLE STOP CONTROL DEVICE - Disclosed is an idle stop control device capable of relieving reaction force (kickback) of a handle occurring at idle stop controlled by the control of the idle stop control device. Specifically, an EPSECU ( | 07-19-2012 |
| 20120191320 | METHOD FOR MONITORING THE ENABLING OF A SYSTEM - A method for monitoring the enabling of a system which is assigned to an internal combustion engine, in which the readiness for operation of the system is dependent on an operating temperature, is characterized in that a fault in the enabling of the system is inferred ( | 07-26-2012 |
| 20120191321 | APPARATUS FOR DETERMINING AN ABNORMALITY OF A CONTROL VALVE OF AN INTERNAL COMBUSTION ENGINE - An apparatus for determining an abnormality of a control valve, the apparatus being applied to an internal combustion engine having: a plurality of superchargers and a plurality of control valves, and carries out an abnormality determination of at least one control valve. The apparatus determines, based on each opening degree of control valves belonging to a first control valve group including only a part of the plurality of control valves and at least one of: a pressure of the air in at least one location in the intake air passage; and a pressure of the exhaust gas in at least one location in the exhaust gas passage, whether or not a control valve belonging to a second control valve group that includes control valves except for control valves belonging to the first control valve group among the plurality of control valves is abnormal. | 07-26-2012 |
| 20120197508 | VEHICLE HAVING KEY-BASED PERFORMANCE MODE - A system or method for controlling a vehicle having a normal operating mode and a performance operating mode include detecting a removable key unique to each vehicle associated with the performance operating mode, operating the vehicle in the performance operating mode in response to detecting the removable key, and operating the vehicle in the normal operating mode otherwise. Operation in performance or track mode may include adjusting valve timing using a variable cam timing device, adjusting idle speed control, adjusting torque response, and/or enhancing engine braking Performance mode operation may also disable one or more features, such as a transmission skip shift feature. | 08-02-2012 |
| 20120197509 | ENGINE CONTROL APPARATUS - An engine control apparatus includes an ISS control unit provided with ISS determination means for inputting at least an engine cooling water temperature, vehicle speed, and brake information, and target opening setting means for setting a target opening in an idle stop/start control period; and a throttle control unit provided with proportional gain correction coefficient operation means for correcting a proportional gain to a value that is larger than a proportional gain outside the idle stop/start control period, throttle opening feedback control means for performing a throttle opening feedback control operation based on an opening deviation between a target opening and an actual opening, and PWM driving means for outputting a voltage that is in proportion to the operation amount to a motor. | 08-02-2012 |
| 20120197510 | SNOWMOBILE HAVING ELECTRONICALLY CONTROLLED LUBRICATION - A snowmobile having an electronic oil pump fluidly connected to an oil tank thereof is disclosed. The electronic oil pump is fluidly connected to an engine of the snowmobile for delivering lubricant to the engine. An electronic control unit is electrically connected to the electronic oil pump for controlling actuation of the electronic oil pump. A method of operating an electronic oil pump is also disclosed. | 08-02-2012 |
| 20120203441 | LOW-DRAIN, SELF-CONTAINED MONITORING DEVICE - In one aspect, a vehicle monitoring apparatus includes an interface configured to connect to a diagnostic port of a vehicle, a processor coupled to the interface and configured to communicate with the diagnostic port and a sensor coupled to the processor and configured to detect a factor indicating the presence of a driver in the vehicle. The sensor causes the apparatus to transition from a first power mode to a second power mode upon detection of the factor. The apparatus draws more power from the vehicle in the second power mode than in the first power mode. The apparatus also includes a housing that includes the processor and the sensor. | 08-09-2012 |
| 20120209494 | VARIABLE VALVE LIFT MECHANISM FAULT DETECTION SYSTEMS AND METHODS - A system for a vehicle includes a filtering module, an indicated mean effective pressure (IMEP) determination module, and a stuck mechanism indicator module. The filtering module generates engine speeds based on positions of teeth of a toothed wheel that rotates with a crankshaft and based on a crankshaft position signal generated by a crankshaft position sensor. The IMEP determination module determines an IMEP for a combustion cycle of a cylinder of an engine based on squares of first and second ones of the engine speeds during the combustion cycle. The stuck mechanism indicator module selectively diagnoses a fault in a variable valve lift (VVL) mechanism of the cylinder based on the IMEP. | 08-16-2012 |
| 20120209495 | VEHICLE CONTROL SYSTEM - There is provided a control system for a vehicle, wherein the control system controls an electric oil pump of the vehicle to start before an idling stop is brought about, when a condition on a vehicle speed is satisfied which is set in accordance with a variation of a running speed of the vehicle while the vehicle is running based on the driving force generated by a driving force generation unit thereof. Consequently, the electric oil pump can be started at an optimum timing before the idling stop is brought about. | 08-16-2012 |
| 20120209496 | CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - This invention provides a control apparatus for an internal combustion engine that can accurately determine the existence or non-existence of an operational abnormality of a WGV in an internal combustion engine with a turbocharger that is equipped with an EGR system. The internal combustion engine includes a turbocharger, a WGV arranged in an exhaust bypass passage, an EGR valve arranged in an EGR passage, and a pressure sensor that acquires an intake pipe pressure of the internal combustion engine, The existence or non-existence of an operational abnormality of the WGV is determined based on a change in an intake pipe pressure when a valve opening request to the WGV is acquired. At such time, the EGR valve is controlled so as to enter a predetermined open state prior to the valve opening request to the WGV. Further, the existence or non-existence of an operational abnormality of the EGR valve is also jointly determined based on a change in the intake pipe pressure when a valve opening request to the EGR valve is acquired. | 08-16-2012 |
| 20120221223 | Method of Operating a Vehicle Equipped With a Pneumatic Booster System - An apparatus and method for improving vehicle performance by application of pneumatic boost to vehicle engines, including diesel engines having at least one turbocharger supplying air to the engine, in a manner which increases engine torque output while minimizing the potential for exceed various operating limits to the maximum practicable extent. The vehicle's pneumatic booster system controller implements strategies for shaping the rate of the air injection during a boost event, tailoring the air injection to obtain maximum engine torque output while respecting the operating limits, by controlling the timing, duration, quantity and/or injection pattern during a boost event to achieve a refined distribution of compressed air injection over the course of the boost event to provide desired engine torque output and fuel efficiency while minimizing the potential for exceeding a wide variety of operation limits, regulatory, engineering and passenger comfort limits. | 08-30-2012 |
| 20120221224 | PRE-THROTTLE PRESSURE CONTROL SYSTEMS AND METHODS - A system for a vehicle includes a desired mass air flowrate (MAF) module and a desired effective area module. The desired MAF module generates a desired MAF through a throttle valve of an engine based on an engine torque request. The desired effective area module generates a desired effective area of the throttle valve based on a throttle inlet air pressure (TIAP) and the desired MAF. A throttle actuator module adjusts opening of the throttle valve based on the desired effective area. | 08-30-2012 |
| 20120221225 | CONTROLLER FOR INTERNAL COMBUSTION ENGINE - When an engine is driven in a compression self-ignited combustion region, a fuel injector injects a fuel into a cylinder in a negative-valve-overlap period where an exhaust valve and an intake valve are both closed. Then, the fuel is injected into the cylinder in an intake stroke. The injected fuel is compressed in a compression stroke to be self-ignited. When it is determined that a steep combustion occurs and a fuel injection quantity in the negative-valve-overlap period is greater than a lower determination threshold, the fuel injection quantity in the negative-valve-overlap period is reduced. When the fuel injection quantity is not greater than the lower determination threshold, an oxygen quantity in the cylinder is reduced. | 08-30-2012 |
| 20120226425 | METHOD FOR OPTIMISING THE OPERATION OF A THERMAL ENGINE BY DETERMINING THE PROPORTION OF OXYGENATED COMPOUNDS IN THE FUEL - The invention relates to a method for optimising the operation of a thermal engine having combustion parameters controlled by an electronic housing and at least one engine mapping, characterised in that the method comprises: a step of carrying out a near-infrared spectroscopic analysis of a bio-fuel containing a mixture of alcohols and/or ethers and/or water in order to determine the proportions of water and of at least one other oxygenated compound of the alcohol and/or ether type contained in the bio-fuel; and a step of selecting and/or modifying said mapping on the basis of the analysis result in order to optimise the operation of the thermal engine. | 09-06-2012 |
| 20120232770 | METHOD FOR OPERATING A SYSTEM IN WHICH A MANIPULATED VARIABLE OF AN ACTUATOR ELEMENT CAN BE CONTROLLED | 09-13-2012 |
| 20120239270 | ENGINE CONTROL SYSTEM WITH ALGORITHM FOR ACTUATOR CONTROL - An engine control apparatus works to determine a target value of each of performance parameters associated with different types of performances of a combustion engine based on operating conditions of the combustion engine, determine target values of combustion parameters associated with combustion states of fuel in the combustion engine based on the target values of the performance parameters using first correlation data representing correlations between the performance parameters and the combustion parameters, and calculate command values of controlled parameters for actuators as a function of the target values of the combustion parameters. When actual values of the performance parameters are in coincidence with the target values, the system changes or corrects the target value of a selected one of the performance parameters so as to enhance the level of a corresponding one of the performances of the engine based on the other performance parameters. | 09-20-2012 |
| 20120239271 | SENSOR CONTROL APPARATUS AND SENSOR CONTROL METHOD - A sensor control apparatus including a gas sensor having a sensor element, a housing and a base part formed of a resin. The apparatus includes a heating part and a control part. When the control part determines that a predetermined automatic stop condition has been satisfied, the control part switches from a control for maintaining the temperature of the sensor element at an activating temperature to a control in a stop state for reducing at least one of voltage and current supplied to the heating part so as to set a temperature of the base part to a value equal to or lower than a shape holding temperature of the resin. Also disclosed is a sensor control method for holding a temperature of a sensor element to an activating temperature. | 09-20-2012 |
| 20120239272 | Method for testing the fuel quantity balance in a common rail system, corresponding engine control system, and corresponding diagnosti device - In a common rail system having two electrically controlled actuating elements, e.g., a metering unit at the input side of a high-pressure pump and a pressure regulating valve on the common rail, different fuel delivery quantities are able to be set in the common rail system while the vehicle is stationary, independent of the current engine load, by controlling operating points via one of the actuating elements and subsequently regulating the other actuating element. Control currents of the actuating elements correspond to the operating points. These control currents, or differences of control currents, are compared to target values to enable an evaluation of the common rail system. | 09-20-2012 |
| 20120239273 | ENGINE CONTROL SYSTEM FOR ACTUATOR CONTROL - An engine control system which may be used in automotive vehicles includes first correlation data representing correlations between performance parameters associated with different types of performances of a combustion engine and uncorrelated common factors existing among the performance parameters and second correlation data representing correlations between the common factors and combustion parameters associated with combustion states of fuel in the combustion engine. The engine control system determines target values of the common factors using the first correlation data and also determines target values of the combustion parameters using the second correlation data. The engine control system determines command values as a function of the target values of the combustion parameter and outputs them to actuators which control combustion states of fuel in the engine for achieving desired levels of the performances of the combustion engine. This enables the performance parameters to be controlled independently of each other without any interference. | 09-20-2012 |
| 20120239274 | INTERNAL COMBUSTION ENGINE CONTROL DEVICE - An internal combustion engine control device which switches between a first operation of compression-igniting a premixed gas in a combustion chamber and a second operation of forcibly igniting the premixed gas through a spark plug in the combustion chamber. When switching between the first operation and the second operation, the control device inserts a transitional operation between the first operation and the second operation for the purpose of reducing torque variations in an internal combustion engine. In the transitional operation, the spark plug does not perform electric discharging, instead, the spark plug emits an electromagnetic wave to increase the temperature of the premixed gas, and subsequently, the premixed gas is compression-ignited. | 09-20-2012 |
| 20120245820 | APPARATUS AND METHOD FOR CONTROLLING ELECTRIC OIL PUMP - An electric oil pump for supplying oil to at least a part (a clutch) of a transmission is provided in parallel with a mechanical oil pump which is driven by an engine and supplies oil to each part of the transmission. In advance of an operation request to the electric oil pump, the electric oil pump is rotated at a first operation-preparation rotational speed which is a very low speed so as to replace oils in oil pipes controlled by the electric oil pump. Thereafter, the electric oil pump is rotated at a second operation-preparation rotational speed which is a relatively-high speed, and when an actual rotational speed reaches the second operation-preparation rotational speed, it is determined that operation preparation is completed. | 09-27-2012 |
| 20120253633 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE, VEHICLE, AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE - Control over an internal combustion engine that automatically stops includes: setting a first idle rotation speed, which is used after a lapse of a short stop period of the internal combustion engine, and a second idle rotation speed, which is used after a lapse of a long stop period of the internal combustion engine, at different values; and, when an idle rotation speed of the internal combustion engine is the second idle rotation speed, restricting automatic stop of the internal combustion engine. | 10-04-2012 |
| 20120253634 | ADJUSTING THE SPECIFICITY OF AN ENGINE MAP BASED ON THE SENSITIVITY OF AN ENGINE CONTROL PARAMETER RELATIVE TO A PERFORMANCE VARIABLE - Methods and systems for engine control optimization are provided. A first and a second operating condition of a vehicle engine are detected. An initial value is identified for a first and a second engine control parameter corresponding to a combination of the detected operating conditions according to a first and a second engine map look-up table. The initial values for the engine control parameters are adjusted based on a detected engine performance variable to cause the engine performance variable to approach a target value. A first and a second sensitivity of the engine performance variable are determined in response to changes in the engine control parameters. The first engine map look-up table is adjusted when the first sensitivity is greater than a threshold, and the second engine map look-up table is adjusted when the second sensitivity is greater than a threshold. | 10-04-2012 |
| 20120253635 | PERTURBING ENGINE PERFORMANCE MEASUREMENTS TO DETERMINE OPTIMAL ENGINE CONTROL SETTINGS - Methods and systems for optimizing a performance of a vehicle engine are provided. The method includes determining an initial value for a first engine control parameter based on one or more detected operating conditions of the vehicle engine, determining a value of an engine performance variable, and artificially perturbing the determined value of the engine performance variable. The initial value for the first engine control parameter is then adjusted based on the perturbed engine performance variable causing the engine performance variable to approach a target engine performance variable. Operation of the vehicle engine is controlled based on the adjusted initial value for the first engine control parameter. These acts are repeated until the engine performance variable approaches the target engine performance variable. | 10-04-2012 |
| 20120253636 | CONCURRENTLY ADJUSTING INTERRELATED CONTROL PARAMETERS TO ACHIEVE OPTIMAL ENGINE PERFORMANCE - Methods and systems for real-time engine control optimization are provided. A value of an engine performance variable is determined, a value of a first operating condition and a value of a second operating condition of a vehicle engine are detected, and initial values for a first engine control parameter and a second engine control parameter are determined based on the detected first operating condition and the detected second operating condition. The initial values for the first engine control parameter and the second engine control parameter are adjusted based on the determined value of the engine performance variable to cause the engine performance variable to approach a target engine performance variable. In order to cause the engine performance variable to approach the target engine performance variable, adjusting the initial value for the first engine control parameter necessitates a corresponding adjustment of the initial value for the second engine control parameter. | 10-04-2012 |
| 20120253637 | DEFINING A REGION OF OPTIMIZATION BASED ON ENGINE USAGE DATA - Methods and systems for engine control optimization are provided. One or more operating conditions of a vehicle engine are detected. A value for each of a plurality of engine control parameters is determined based on the detected one or more operating conditions of the vehicle engine. A range of the most commonly detected operating conditions of the vehicle engine is identified and a region of optimization is defined based on the range of the most commonly detected operating conditions of the vehicle engine. The engine control optimization routine is initiated when the one or more operating conditions of the vehicle engine are within the defined region of optimization. | 10-04-2012 |
| 20120259529 | CONTROL SYSTEM AND METHOD FOR A HOMOGENEOUS CHARGE COMPRESSION IGNITION (HCCI) ENGINE - A system includes a mass determination module and a torque estimation module. The mass determination module determines a fuel mass injected into a cylinder of a homogeneous charge compression ignition (HCCI) engine for a combustion event in the cylinder. The torque estimation module estimates a torque output of the HCCI engine based on the fuel mass. | 10-11-2012 |
| 20120259530 | STOP CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE - A stop control system for an internal combustion engine, which is capable of ensuring the comfort of vehicle occupants in a vehicle compartment and improving the fuel economy of the engine along with automatic stoppage of the engine during both a cooling operation and a heating operation of an air conditioner. When the engine is automatically stopped, the stop control system sets a target blowout temperature which is a target value of the temperature of air blown out from the air conditioner into a vehicle compartment, and acquires a fan voltage indicative of the air volume blown by a fan of the air conditioner. Further, the stop control system calculates stop allowable time based on the target blowout temperature and the fan voltage, and restarts the engine when engine stoppage time period (stoppage time period-counting timer value) has reached the stop allowable time. | 10-11-2012 |
| 20120259531 | SYSTEM, METHOD, AND COMPUTER SOFTWARE CODE FOR IMPROVED FUEL EFFICIENCY EMISSION OUTPUT, AND MISSION PERFORMANCE OF A POWERED SYSTEM - A method is provided including determining a first power level required from a diesel powered system. The first power level corresponds to a first proportion of a maximum power. The method also includes determining an emission output for a mission based on the first power level. The method further includes determining a second power level corresponding to a second proportion of the maximum power, wherein alternate use of the second power level and at least one of the first power level or a third power level results in a lower emission output for the mission, with the overall resulting power being proximate the minimum power required. The method also includes automatically controlling operation of the diesel powered system by using the second power level alternately with at least one of the first power level or the third power level. | 10-11-2012 |
| 20120265421 | ENGINE CONTROL SYSTEMS AND METHODS - A system includes a power request module, a first desired engine speed (DRPM) determination module, a driver torque request module, and an actuation module. The power request module generates a power request for an engine of the vehicle based on an accelerator pedal position and a vehicle speed. The first DRPM determination module determines a first target DRPM based on the power request, a turbine speed of a torque converter, and a k-factor of the torque converter. The driver torque request module selectively generates a torque request for the engine based on the power request and the first target DRPM. The actuation module controls at least one engine actuator based on the torque request. | 10-18-2012 |
| 20120271529 | INTERNAL COMBUSTION ENGINE CONTROL APPARATUS - An internal combustion engine control apparatus includes a turbocharger, an intake air quantity detecting section, an intake air pressure detecting section, a turbine rotational speed limit determining section and a turbine control section. The turbine rotational speed limit determining section determines a turbine rotational speed limit pressure ratio between the upstream-side intake air pressure and a downstream-side intake air pressure in the air intake passage at a downstream side of the compressor for a turbine rotational speed limit that corresponds to the intake air quantity detected by the intake air quantity detecting section. The turbine rotational speed limit determining section further calculates a turbine over rotation suppressing boost pressure of the turbine compressor using the upstream-side intake air pressure and the turbine rotational speed limit pressure ratio. The turbine control section controls the turbocharger based on the turbine over rotation suppressing boost pressure. | 10-25-2012 |
| 20120277970 | CYLINDER PRESSURE PARAMETER CORRECTING SYSTEMS AND METHODS - A system includes a net mean effective pressure (NMEP) error module, a correction determination module, a mean effective pressure (MEP) correction module, and an actuator control module. The NMEP error module determines an NMEP error for a combustion cycle of a cylinder based on an expected NMEP for the combustion cycle, a measured NMEP for the combustion cycle, and a difference between an expected change in an engine speed for the combustion cycle and a measured change in the engine speed for the combustion cycle. The correction determination module determines an offset correction and a slope correction based on the NMEP error. The MEP correction module that generates a corrected NMEP for the combustion cycle based on the measured NMEP, the offset correction, and the slope correction. The actuator control module controls an engine operating parameter based on the corrected NMEP. | 11-01-2012 |
| 20120277971 | VARIABLE INPUT DRIVING SYSTEM AND METHOD - A variable-input driving system includes first and second rotatable components rotating at different speeds. First and second sensors measure the rotation of the first and second components, and provide signals to an electronic controller. A drive selector has an input connected to each of the first and second components and an output connected to a driven component. The drive selector is responsive to a command signal from the electronic controller to selectively engage the first or second input with the output such that rotation of the first or second input is transmitted to the driven component based on the first and second signals. | 11-01-2012 |
| 20120277972 | COMBUSTION SETPOINT CONTROL SYSTEMS AND METHODS - A system for a vehicle, includes first, second, and third setpoint generation modules, a scaling module, and an actuator control module. The first setpoint generation module generates a first target value for an combustion parameter of an engine based on a predetermined value of a combustion stability of the engine. The second setpoint generation module generates a second target value for the combustion parameter based on a predetermined fuel efficiency. The scaling module generates a scaled value for the combustion parameter based on the first and second target values and a scalar value. The third setpoint generation module generates a third target value for the combustion parameter based on the first target value and the scaled value. The actuator control module controls at least one engine actuator associated with the combustion parameter based on the third target value. | 11-01-2012 |
| 20120277973 | POWER SYSTEM AND METHOD FOR ENERGIZING AN ELECTRICALLY HEATED CATALYST - A power system and a method for energizing an electrically heated catalyst are provided. The system includes a battery outputting a first voltage, and a generator outputting a second voltage greater than the first voltage in response to a first signal. The system further includes a controller that generates a second signal to set a first switching device to a first operational state to apply the second voltage to the electrically heated catalyst to increase a temperature of the catalyst, if a first temperature level of the catalyst is less than a first threshold temperature level. The controller generates a third signal to induce the generator to output a third voltage, and generates a fourth signal to set a second switching device to a second operational state to apply the first voltage to the catalyst, if the first temperature level is greater than the first threshold temperature level. | 11-01-2012 |
| 20120277974 | CURVE OF MAXIMUM ALLOWABLE ENGINE TORQUE FOR CONTROLLING A COMBUSTION ENGINE - A curve of maximum allowable engine torque as a function of engine rotational speed for controlling a combustion engine is provided, where a combustion engine control unit is arranged to control output torque and engine rotational speed as not to exceed the curve, and where the curve is defined by a torque build up range (n0 to ni), constant power range (n2 to 113) and a torque ramp down range (n3 to n4). The torque ramp down range is defined so that the engine rotational speed at high engine power is reduced, while high engine rotational speeds are allowed at low engine power. | 11-01-2012 |
| 20120277975 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - In the case where a constraint condition related to an internal combustion engine is satisfied when a control amount of each of the control objects | 11-01-2012 |
| 20120283930 | Method of Using a Bypass Valve - A method of controlling a pump ( | 11-08-2012 |
| 20120290189 | COMPRESSION RATIO DETERMINATION AND CONTROL SYSTEMS AND METHODS - A system includes a sampling module and a map generating module. The sampling module receives a first mapping of thermal efficiency of a spark-ignition engine generated based on operation of the spark-ignition engine with a dynamometer. A combustion chamber of the spark-ignition engine has a first compression ratio. The map generating module generates a second mapping of the thermal efficiency of the spark-ignition engine based on the first mapping and the combustion chamber having a second compression ratio. The second compression ratio is different than the first compression ratio. | 11-15-2012 |
| 20120290190 | System for Determining EGR Cooler Degradation - Systems and methods for diagnosing an EGR system are presented. The method provides for indicating EGR system degradation in response to a temperature at an outlet of an EGR cooler. The method may require less calibration effort than a model based diagnostic. | 11-15-2012 |
| 20120290191 | ABNORMALITY DETERMINATION APPARATUS FOR INTERNAL COMBUSTION ENGINE - An abnormality determination apparatus for an internal combustion engine having a plurality of cylinders includes: a fluctuation increasing unit that increases a fluctuation in output shaft rotation speed of the internal combustion engine; and a determination unit that determines whether there is a variation in air-fuel ratio among the plurality of cylinders based on the fluctuation increased by the fluctuation increasing unit. | 11-15-2012 |
| 20120296547 | SYSTEM AND METHOD FOR DETERMINING COOLANT FLOW IN AN ENGINE - A system includes a temperature determination module and a flow determination module. The temperature determination module determines an engine coolant temperature based on input received from an engine coolant temperature sensor and determines an engine material temperature based on input received from an engine material temperature sensor. The engine coolant temperature is a temperature of coolant in an engine, and the engine material temperature is a temperature of at least one of an engine block and a cylinder head. The flow determination module selectively determines coolant flow through the engine based on the engine coolant temperature and the engine material temperature. | 11-22-2012 |
| 20120296548 | METHOD FOR PERFORMING ON/OFF DIAGNOSIS OF A SMART COOLING PUMP FOR AN INTERNAL COMBUSTION ENGINE - A method for performing on/off diagnosis of a smart cooling pump for an internal combustion engine comprising a cylinder having an inner liner layer, an external engine block layer, and a coolant layer placed between the inner liner layer and the external engine block layer, wherein the smart cooling pump pumps a coolant fluid inside the coolant layer is provided. | 11-22-2012 |
| 20120296549 | FUEL MANAGEMENT SYSTEM AND METHOD - The present invention provides a system and a method for fuel management. The invention provides an integrated system to generate reports comprising analysis relating to fuel consumption, fuel fraud, CO2 emission, driver behaviour, and journey breakdown. | 11-22-2012 |
| 20120296550 | ENGINE CONTROL WITH VALVE OPERATION MONITORING USING CAMSHAFT POSITION SENSING - A system or method for controlling a multiple cylinder internal combustion engine operable in a reduced displacement mode with at least one valve or cylinder selectively deactivated include monitoring valve operation by analyzing camshaft position to detect valve operation inconsistent with a current cylinder state (activated or deactivated) and controlling the engine in response to detecting the inconsistent operation. The camshaft position may be used to produce a surrogate signal indicative of intake/exhaust valve lift generated using camshaft sensor tooth deviation relative to an expected or reference tooth position for a corresponding crankshaft position and compared to a corresponding threshold. The surrogate signal indicative of valve lift may also be generated by pattern matching or correlation of one or more reference tooth position patterns to a measured or inferred tooth position pattern. | 11-22-2012 |
| 20120303238 | CYLINDER PRESSURE SENSOR COMPENSATION SYSTEMS AND METHODS - A sensor reset system includes an engine control module and a sensor reset circuit. The engine control module is configured to receive a sensor pressure signal from a cylinder pressure sensor. The sensor pressure signal indicates a pressure within a cylinder of an engine. The engine control module is further configured to: control operation of the engine based on the sensor pressure signal; determine whether to reset the cylinder pressure sensor and generate a reset signal; and encode the reset signal to generate an encoded reset signal. The sensor reset circuit is configured to adjust an output of the cylinder pressure sensor based on the encoded reset signal to reset the cylinder pressure sensor. | 11-29-2012 |
| 20120303239 | WASTEGATE CONTROL SYSTEM FOR BOTH CURRENT-CONTROLLED AND ON/OFF PWM-TYPE SOLENOIDS - A wastegate control system includes a wastegate control module configured to operate in one of a first PWM mode and a second PWM mode. A first transistor includes a control terminal connected to the wastegate control module, a first output terminal, and a second output terminal. A clamp circuit is connected to the first output terminal and the second output terminal of the first transistor. A second transistor includes a control terminal connected to the wastegate control module, a first output terminal, and a second output terminal. A diode has an anode connected to the second output terminal of the first transistor and a cathode connected to the first output terminal of the second transistor. | 11-29-2012 |
| 20120303240 | METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE - A method for operating an internal combustion engine includes measuring pressure values in a combustion chamber during an engine cycle and a corresponding value of crankshaft angular position for each pressure value and selecting values from the pressure values and the corresponding value of crankshaft angular position for each selected value. The corresponding values of the crankshaft angular position are used to calculate a corresponding inner volume value of the combustion chamber for each of the selected pressure values. For each of the selected pressure values and the corresponding inner volume value, a polytrophic constant is calculated according to C=pV | 11-29-2012 |
| 20120303241 | SECONDARY AIR SUPPLY SYSTEM AND SECONDARY AIR SUPPLY METHOD FOR INTERNAL COMBUSTION ENGINE - In an internal combustion engine that includes a first secondary air supply unit having a first air pump and a first air switching valve and a second secondary air supply unit having a second air pump and a second air switching valve, a time difference is provided between the operation start timing of the first air pump and the operation start timing of the second air pump, and the open timing of the first air switching valve and the open timing of the second air switching valve are set so as to be simultaneous with each other. | 11-29-2012 |
| 20120303242 | METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE - In a method for operating an internal combustion engine comprising at least one a cylinder with a combustion chamber, wherein by means of at least one detection device assigned to the combustion chamber a first value characterizing the pressure in the combustion chamber is detected, wherein on the basis of the first value at least a second value characterizing a progression of the energy released during a combustion in the combustion chamber is determined, on the basis of the second value at least a third value is determined, by means of which the progression of the combustion is subdivided into at least two sub-curves and one of the sub-curves is assigned to a normal combustion for operation of the internal combustion engine and the other of the sub-curves is assigned to a special combustion differing from the normal combustion. | 11-29-2012 |
| 20120303243 | VIBRATION DAMPING CONTROL DEVICE FOR VEHICLE - A vibration damping control device that controls driving power of a vehicle to suppress pitch vibration or bounce vibration includes: a vibration damping control unit that controls a driving torque of an engine so as to suppress the amplitude of the pitch vibration or bounce vibration on the basis of a wheel torque generated at a contact portion between a wheel of the vehicle and a road surface; and a compensating component regulating unit that varies the magnitude of a compensating component, which is calculated by a vibration damping control unit and which compensates the wheel torque for vibration damping control, on the basis of a change of characteristic, such as a wear state quantity of a movable portion of a throttle valve of the engine. | 11-29-2012 |
| 20120310505 | SYSTEM AND METHOD FOR ESTIMATING INDICATED MEAN EFFECTIVE PRESSURE OF CYLINDERS IN AN ENGINE - A system for an engine includes first, second, third, and fourth modules. The first module determines an expected response of crankshaft speed due to combustion within a cylinder of the engine. The second module determines a value based on the expected response and a measured response of crankshaft speed due to combustion within the cylinder of the engine. The third module estimates an indicated mean effective pressure (IMEP) for the cylinder of the engine based on the value. The fourth module selectively adjusts an operating parameter of the engine based in the estimated IMEP. | 12-06-2012 |
| 20120310506 | TORQUE CONTROL SYSTEMS AND METHODS - A system of a vehicle includes a fueling prediction module, a short pulse determination module, a torque control module, and a generator control module. The fueling prediction module generates N predicted fueling pulse widths for N future combustion events of an engine, respectively. N is an integer greater than one. The short pulse determination module determines a number of the N predicted fueling pulse widths that are less than a predetermined period. The torque control module selectively increases a torque output of the engine based on the number. The generator control module selectively increases a load imposed by a generator of electricity based on the number. | 12-06-2012 |
| 20120310507 | METHOD AND DEVICE FOR CONTROLLING AN SCR CATALYTIC CONVERTER OF A VEHICLE - The present invention provides for a method and apparatus for controlling an SCR catalytic converter ( | 12-06-2012 |
| 20120316749 | VEHICULAR POWER SUPPLY DEVICE - A vehicular power supply device mounted on a vehicle equipped with an idle stop function is provided that enhances engine startability and suppresses a voltage drop at a battery driving the starter, so as to reduce energy consumption by the engine or other drive sources. The device includes a voltage converter for converting a DC voltage V | 12-13-2012 |
| 20120316750 | CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - A control apparatus of an internal combustion engine capable of appropriately reflecting various requests relating to the performance of the internal combustion engine. Specifically, the control device of the internal combustion engine acquires various requests relating to the performance of the internal combustion engine, and sets restricted ranges of the value of the control variable in accordance with the details of the requests. At this moment, the control device temporally changes the set restricted ranges for specific requests associated with the time integral value of the control variable rather than the instantaneous value of the control variable. Subsequently, the control device determines a final restricted range on the basis of the overlap between the restricted ranges set for each request, and determines the target value of the control variable in the final restricted range. | 12-13-2012 |
| 20120316751 | SYSTEM AND METHOD FOR MONITORING ENGINE OIL PRESSURE - A system and method for determining the oil pressure of an internal combustion engine is disclosed herein. The system and/or method may estimate the oil pressure using the response of two variable camshaft timing actuators having respective phase angle change control signals. Specifically, the signals may be used to determine whether the oil pressure is below a low oil pressure threshold value. The rate of response of the actuators may also be used to determine a current engine oil pressure. | 12-13-2012 |
| 20120316752 | VEHICULAR ENGINE APPLIANCE AND METHOD FOR WATCHING THEREOVER - A vehicular engine appliance ( | 12-13-2012 |
| 20120323461 | METHOD AND APPARATUS FOR CONTROLLING HYBRID POWERTRAIN SYSTEM IN RESPONSE TO ENGINE TEMPERATURE - A method for controlling a hybrid powertrain system including an internal combustion engine includes controlling operation of the hybrid powertrain system in response to a preferred minimum coolant temperature trajectory for the internal combustion engine. | 12-20-2012 |
| 20120323462 | METHOD FOR OPERATING A DRIVE UNIT, AND CONTROL DEVICE FOR A DRIVE UNIT - A method for operating a drive unit having at least one drive machine which generates the torque supplied by the drive unit, a first parameter, which causes a slow change in the torque supplied by the drive unit, and a second parameter, which causes a rapid change of the torque, being used for setting a setpoint torque. Prior to raising the setpoint torque to a target torque, the first parameter is selected according to an actuating torque, which is greater than the setpoint torque; and the second parameter is selected in such a way that the drive unit continues to supply the setpoint torque. Furthermore, a control device for a drive unit is also described. | 12-20-2012 |
| 20120323463 | EXHAUST DEVICE OF INTERNAL COMBUSTION ENGINE - An exhaust device of an internal combustion engine includes a burner device ( | 12-20-2012 |
| 20120330530 | METHOD AND DEVICE FOR CARRYING OUT AN ONBOARD DIAGNOSIS - A method for checking a function of an actuator or a sensor of a system, having the following steps: controlling the actuator within a time window if at least one state variable of the system is in a predefined operating range; detecting a system response, with the aid of the sensor, within the time window as a response to controlling the actuator; determining a malfunction of the actuator or of the sensor if the system response differs from a setpoint system response that is expected due to controlling the actuator. A further actuator of the system is controlled during the time window in such a way that the at least one state variable of the system remains in the predefined operating range during the time window. Moreover, a corresponding method for calibrating a sensor or an actuator of a system is described. | 12-27-2012 |
| 20120330531 | ENGINE DEVICE - Provided is an engine device which improves a general-purpose property of an ECU carrying out a drive control of an engine and a regeneration control of a DPF. The engine device is provided with an exhaust gas purifying device which is arranged in an exhaust route of the engine, the ECU which controls a drive of the engine, and a variable memory means which stores a general-purpose regeneration program selectively executing a plurality of regeneration modes with respect to the exhaust gas purifying device and a flag table corresponding to an optional regeneration mode, and is rewritable. The ECU executes the general-purpose regeneration program in accordance with a regeneration mode which is selected on the basis of the flag table. | 12-27-2012 |
| 20130006492 | CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - A control apparatus for an internal combustion engine is provided which can accurately correct a valve timing deviation of an intake valve caused by a variable operating angle mechanism or variable phase mechanism. | 01-03-2013 |
| 20130006493 | DRIVING FORCE CONTROL APPARATUS AND DRIVING FORCE CONTROL METHOD FOR VEHICLE - A driving force control apparatus for a vehicle includes a driving force suppression processing unit and a control unit. The driving force suppression processing unit executes driving force suppression processing to set a driving force output from a prime mover below a driving force corresponding to an accelerator operation amount. The control unit modifies a driving farce output during execution of the driving force suppression processing in accordance with a steering angle of the vehicle. | 01-03-2013 |
| 20130006494 | METHOD FOR CONTROLLING A TURBOCHARGER ARRANGEMENT OF AN INTERNAL COMBUSTION ENGINE, AND CONTROL DEVICE - Embodiments for controlling exhaust gas turbines are provided. In one embodiment, a method for controlling a turbocharger arrangement of an internal combustion engine, the turbocharger arrangement having at least a first exhaust-gas turbine and a second exhaust-gas turbine arranged downstream of the first, and an exhaust-gas aftertreatment system being arranged downstream of the second exhaust-gas turbine comprises, in a warm-up mode, controlling at least one exhaust-gas turbine so as to increase an inlet temperature of an exhaust-gas flow at the inlet into the exhaust-gas aftertreatment system. In this way, the exhaust-gas aftertreatment system may be rapidly heated. | 01-03-2013 |
| 20130006495 | Guidance Output Device, Guidance Output Method, and Construction Machine Equipped with Guidance Output Device - A guidance output device, which outputs guidance for improving fuel economy when an energy wasting operation is detected in a construction machine that is provided with an exhaust gas purifying device for an internal combustion engine, includes a regeneration process determining unit that determines whether a regeneration process is in progress in the exhaust gas purifying device. It also includes a guidance output restriction unit that restricts an output of the guidance for energy saving by the guidance output unit when the regeneration process determining unit determines that the regeneration process is in progress in the exhaust gas purifying device. | 01-03-2013 |
| 20130013166 | DETERMINATION OF EXHAUST BACK PRESSURE - Systems and methods for determination of exhaust back pressure in a turbocharged engine are disclosed. In one example approach, a method for determination of exhaust back pressure for an engine with a two-staged turbocharger comprises measuring a temperature downstream the engine, a temperature downstream the turbocharger, and/or a pressure downstream the turbocharger; determining a flow parameter for exhaust mass flow; estimating an overall turbine pressure ratio or a difference with a model of the turbocharger based on the measured and determined parameters; and determining the exhaust back pressure downstream the engine with the model. | 01-10-2013 |
| 20130013167 | Method for controlling a corona ignition device - The invention relates to a method for controlling a corona ignition device which, in a cyclically operating combustion engine, ignites a fuel-air mixture by means of a corona discharge originating from an ignition electrode in that by means of a primary voltage applied to a primary side of a DC/AC converter, an electrical oscillator circuit is excited, which oscillator circuit is connected to the ignition electrode, wherein the impedance on the primary side of the DC/AC converter is successively measured. According to the invention it is provided that by evaluating the impedance measurements, a time of the start of a corona discharge is determined, this time is compared with a target value, and the activation of the primary side of the DC/Ac converter is changed depending on a result of this comparison. | 01-10-2013 |
| 20130013168 | TRANSIENT COMPRESSOR SURGE RESPONSE FOR A TURBOCHARGED ENGINE - A method for responding to an existing or incipient surge condition of a turbocharger coupled to an engine of a motor vehicle is provided. The method comprises receiving a signal responsive to an operating condition of the turbocharger and adjusting one or more operating parameters of the motor vehicle when a power of the signal, integrated over a pre-selected range of non-zero frequencies, exceeds a pre-selected threshold. Other embodiments provide related systems for responding to an existing or incipient surge condition of a turbocharger. | 01-10-2013 |
| 20130013169 | METHOD FOR DIAGNOSING A LIQUID-COOLED EXHAUST MANIFOLD OF AN INTERNAL COMBUSTION ENGINE - A method is provided for checking the functional capacity of a liquid-cooled exhaust manifold of an internal combustion engine, having an exhaust line connected to the exhaust manifold, in the course of which an exhaust gas sensor having an electrical heater is arranged. During the operation of the internal combustion engine, the electrical resistance of the exhaust gas sensor is determined, on the basis of which the current value of the exhaust gas temperature is evaluated, and compared to a target value of the exhaust gas temperature, which is expected at this point in the operation of the internal combustion engine. Depending on the result of the comparison, the functional capacity of the liquid-cooling of the exhaust manifold is estimated. | 01-10-2013 |
| 20130018564 | METHOD FOR PREPARING INTERNAL COMBUSTION ENGINE FOR SHUTDOWN TO ACHIEVE CLEAN RESTARTAANM Coatesworth; Timothy A.AACI Bloomfield HillsAAST MIAACO USAAGP Coatesworth; Timothy A. Bloomfield Hills MI USAANM Roos; JosephAACI LivoniaAAST MIAACO USAAGP Roos; Joseph Livonia MI USAANM DeGroot; Kenneth P.AACI Macomb Twp.AAST MIAACO USAAGP DeGroot; Kenneth P. Macomb Twp. MI USAANM Velnati; SashidharAACI OxfordAAST MIAACO USAAGP Velnati; Sashidhar Oxford MI USAANM Tamai; GoroAACI West BloomfieldAAST MIAACO USAAGP Tamai; Goro West Bloomfield MI US - A method for preparing an internal combustion (IC) engine component of a hybrid automotive powertrain for shutdown so as to enable clean restart is disclosed herein. The method includes determining if the IC engine is about to enter a shutdown mode. The method includes determining a number of engine run cycles to fill an intake manifold of the IC engine with clean air, if it is determined the IC engine is about to enter the shutdown mode. The method includes running the IC engine for the determined number of cycles to fill the intake manifold of the IC engine with clean air before shutting the IC engine down. | 01-17-2013 |
| 20130018565 | METHOD AND APPARATUS FOR ENGINE OPERATION IN HOMOGENEOUS CHARGE COMPRESSION IGNITION AND SPARK IGNITIONAANM Yun; HanhoAACI Oakland TownshipAAST MIAACO USAAGP Yun; Hanho Oakland Township MI USAANM Wermuth; NicoleAACI MunchenAACO DEAAGP Wermuth; Nicole Munchen DEAANM Najt; Paul M.AACI Bloomfield HillsAAST MIAACO USAAGP Najt; Paul M. Bloomfield Hills MI USAANM Kang; Jun-MoAACI Ann ArborAAST MIAACO USAAGP Kang; Jun-Mo Ann Arbor MI USAANM Brown; Barry L.AACI Lake OrionAAST MIAACO USAAGP Brown; Barry L. Lake Orion MI US - A method to control an internal combustion engine includes controlling the engine in a homogeneous charge compression ignition mode and depending upon the operating range of the engine operating both intake and exhaust valves with one of a high-lift profile or a low lift profile or the exhaust valves with a low-lift profile and the intake valves with a high-lift profile. | 01-17-2013 |
| 20130018566 | Effectiveness Modeling and Control Methods for EGR CoolerAANM Khair; Magdi K.AACI San AntonioAAST TXAACO USAAGP Khair; Magdi K. San Antonio TX USAANM Lu; QilongAACI San AntonioAAST TXAACO USAAGP Lu; Qilong San Antonio TX US - A method of modeling and testing the effectiveness of an EGR cooler. The cooler effectiveness is mathematically modeled as a function of various temperatures and over an operation history that includes one or more engine shut-downs. | 01-17-2013 |
| 20130018567 | MOBILE TERMINAL, SYSTEM AND METHOD FOR CONTROLLING AN ELECTRONIC CONTROL UNITAANM LIM; Sang WooAACI SeoulAACO KRAAGP LIM; Sang Woo Seoul KRAANM LEE; Seung HyunAACI SeoulAACO KRAAGP LEE; Seung Hyun Seoul KRAANM HWANG; In OhAACI SeoulAACO KRAAGP HWANG; In Oh Seoul KR - A mobile terminal to control an Electronic Control Unit (ECU) of a vehicle includes a communication unit, a storage unit, and an ECU control unit. The communication unit communicates with the ECU, and the storage unit stores information collected from the ECU and status information collected inside or outside the mobile terminal. The ECU control unit determines a driving environment of the vehicle according to the status information collected, processes the information collected from the ECU, and controls the ECU. A method for controlling a vehicle ECU from a mobile terminal includes determining a driving environment, and remotely controlling the ECU from the mobile terminal based on the driving environment. | 01-17-2013 |
| 20130024085 | SYSTEM AND METHOD TO ESTIMATE INTAKE CHARGE TEMPERATURE FOR INTERNAL COMBUSTION ENGINES - An engine includes an intake manifold mixing an intake air flow and an exhaust gas recirculation flow to provide an intake charge flow. A method to estimate an intake charge temperature of the intake charge includes monitoring system conditions for the engine, determining an effect of the mixing upon a specific heat coefficient of the intake charge flow based upon the monitored system conditions, estimating the intake charge temperature based upon the effect of the mixing upon the specific heat coefficient of the intake charge flow and the monitored system conditions, and controlling the engine based upon the estimated intake charge temperature. | 01-24-2013 |
| 20130024086 | METHOD AND SYSTEM FOR CONTROLLING AN ENGINE DURING TUNNELING OPERATION - Various methods and systems are provided for an engine in a vehicle, the engine having an intake and an exhaust. In one example, a method includes determining the vehicle is under tunneling operation in response to one or more of an intake gas constituent and an exhaust gas constituent. The method further comprises adjusting one or more operating parameters in response to the determination of tunneling operation. | 01-24-2013 |
| 20130024087 | ABNORMAL COMBUSTION DETECTION AND CHARACTERIZATION METHOD FOR INTERNAL-COMBUSTION ENGINES - An abnormal combustion detection and characterization method for spark-ignition internal-combustion engines using combustion indicators is disclosed. A multidimensional space having each dimension corresponding to one of the indicators is defined and a closed surface is defined in this space to surround points corresponding to normal combustions and to not surround points corresponding to abnormal combustions. For each combustion of an engine cycle, the combustion of the cycle is represented by a point in this multidimensional space, the position of this point with respect to the surface is determined and the abnormal nature of the combustion is deduced therefrom. | 01-24-2013 |
| 20130024088 | CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE - Control device of an internal combustion engine that determines whether or not to perform sensor element heating control of an air-fuel ratio sensor with high accuracy based on the mass of condensed water in an exhaust pipe. The control device computes the rate of change of condensed water mass in an exhaust pipe based on the saturated water vapor pressure and the water vapor partial pressure of exhaust gas, and computes the rate of change of evaporation mass in the exhaust pipe based on the amount of heat which the condensed water receives in the exhaust pipe. The control device updates the mass of condensed water based on the rate of change of condensed water mass and the rate of change of evaporation mass, and determines whether or not to perform heating control by a heating controlling unit based on the updated mass of condensed water. | 01-24-2013 |
| 20130024089 | ENGINE-OUT NOX VIRTUAL SENSOR USING CYLINDER PRESSURE SENSOR - Method for estimating NOx creation in a combustion process of an engine including a variable volume combustion chamber includes monitoring engine sensor inputs including a cylinder pressure within the combustion chamber. A mass fraction burn value for combustion can be modeled within the combustion chamber based upon said sensor inputs, wherein said mass fraction burn value indexes a crank angle at which a selected percentage of injected fuel is burned in a combustion cycle. The state of combustion within the combustion chamber can be estimated based upon the mass fraction burn value, the state of combustion including a combustion phasing and a combustion strength. NOx creation within the combustion chamber can be estimated with a non-linear function based upon said state of combustion. | 01-24-2013 |
| 20130024090 | VEHICLE CONTROL APPARATUS - Disclosed is a vehicle control apparatus which can prevent drivability from being deteriorated. An ECU is operative to set a reduction speed threshold value to determine a driver's braking intention on the basis of the correlation in the depression amount of an accelerator pedal, the depression amount of a brake pedal, and a travel state of a vehicle caused by the depression amounts of the accelerator pedal and the brake pedal. The ECU is further operative to change the reduction speed threshold value on the basis of the detected drive state to compare the travel state calculated on the basis of the detected drive state with the changed reduction speed threshold value to determine the driver's braking intention, thereby making it possible to determine the driver's braking intention without detecting the operation amount of a driver and to accurately estimate the driver's braking intention. This makes it possible to change the reduction control between executed and not executed, and to improve the drivability. | 01-24-2013 |
| 20130030670 | SYSTEM AND METHOD FOR CONTROLLING ALTERNATOR OR INTEGRATED STARTER GENERATOR OUTPUT VOLTAGE - An automotive vehicle includes an engine, an alternator or integrated starter generator, and at least one controller. The at least one controller reduces voltage output of the alternator or integrated starter generator prior to initiating an auto stop of the engine. | 01-31-2013 |
| 20130035839 | ENGINE START STOP INHIBIT SYSTEM AND METHOD - A system includes a first module configured to determine at least one of a position of a vehicle, an elevation level of the vehicle and a road grade at the position of the vehicle. A second module configured to inhibit an autostop of an engine including generating a start-stop signal based on the at least one of the position of the vehicle, the elevation level of the vehicle and the road grade at the position of the vehicle. An actuator control module configured to prevent the autostop by adjusting at least one of a spark parameter, a fuel parameter and an air flow parameter of the engine based on the start-stop signal. | 02-07-2013 |
| 20130041569 | FOUR-STROKE CYCLE INTERNAL COMBUSTION ENGINE AND METHOD OF IDENTIFYING CYLINDER OF FOUR-STROKE CYCLE INTERNAL COMBUSTION ENGINE - An internal combustion engine employs an odd number of cylinders. A crankangle sensor of 360° crankangle (CA) provides a POS signal including a pulse train having pulses generated at each 10° CA. This POS signal includes a specific portion 28′ generated at each 360° CA by a gap portion of the crankangle sensor. The time required for a 10° CA change is calculated for each 10° CA as a second signal, and the time is integrated for intervals A, B, and C. Since the second signal oscillates with a period according to the number of the cylinders in response to a change in stroke of each cylinder, intervals T1 and T4, for example, can be identified by comparing the integrated values. Thus, the cylinders can be identified by only the signal from the crankangle sensor of 360° CA without depending on a cam angle sensor of 720° CA. | 02-14-2013 |
| 20130041570 | FAULT DIAGNOSIS APPARATUS FOR AIRFLOW METER - Disclosed is a fault diagnosis apparatus for an airflow meter for determining that the airflow meter has a fault when a divergence ratio, i.e., a divergence value of an estimated intake-air quantity with respect to an actual intake-air quantity obtained by the airflow meter is greater than a fault-determination reference value determined based on a rotation speed of an internal combustion engine. The apparatus determines that the airflow meter is normal when the engine speed is higher than or equal to a predetermined speed under a specific condition that the divergence value is less than or equal to the reference value, and also maintains a current determination result when the engine speed is less than the predetermined speed under the specific condition, thereby determining, based on the engine speed, whether the airflow meter is normal or the current determination result is maintained, and thus improving the fault-diagnosis accuracy. | 02-14-2013 |
| 20130046451 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - A control device for an internal combustion engine is provided, which can carry out favorable injection amount feedback control even when a fuel property changes. A cylinder internal pressure sensor ( | 02-21-2013 |
| 20130054109 | STOCHASTIC PRE-IGNITION DETECTION SYSTEMS AND METHODS - A system for a vehicle includes a time stamping module, a period determination module, a stochastic pre-ignition (SPI) indication module, and an SPI remediation module. The time stamping module generates first and second timestamps when a crankshaft of an engine is in first and second crankshaft positions during an engine cycle, respectively. The period determination module determines a period between the first and second timestamps. The SPI indication module selectively indicates that an SPI event occurred within a cylinder of the engine based on the period. The SPI remediation module selectively adjusts at least one engine operating parameter in response to the SPI indication module indicating that the SPI event occurred within the cylinder. | 02-28-2013 |
| 20130054110 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - A control device used for an internal combustion engine and capable of determining an actuator operation amount is provided. The control device includes a computation element that uses engine status amounts to compute the actuator operation amount. The computation element uses a model that includes a plurality of submodels arranged in a hierarchical sequence. The computation element computes the actuator operation amount by using a parameter calculated by the lowest level submodel and changes the number of higher-level submodels to be used in combination with the lowest level submodel in accordance with the operation status of the internal combustion engine. | 02-28-2013 |
| 20130054111 | VEHICLE GENERATOR CONTROL SYSTEM AND METHOD FOR SAVING FUEL - A vehicle generation controlling system for saving fuel includes a battery supplying power to electric components of a vehicle, a generator generating power by using rotational force of an engine and supplying the generated power to the battery and the electric components, and an ECU determining whether generation control is prevented by monitoring vehicle information on the vehicle and operational information on an operation of an electric product of a cooling system among the electric components and controlling the generator to prevent the generation control according to the determination. As a result, the generation control is performed based on whether an electric product of a cooling system is actuated and vehicle information on the vehicle to thereby prevent cooling performance from being deteriorated due to the generation control. | 02-28-2013 |
| 20130060446 | METHOD OF PREVENTING DAMAGE TO GPF IN VEHICLE ADOPTED TO CDA - A method of preventing damage to a Gasoline Particulate Filter (GPF) of a vehicle adapted to Cylinder De-activation (CDA) may include monitoring GPF pressure difference that measures a pressure difference of the GPF and determines an accumulation amount of soot in the GPF in accordance with the measured pressure difference of GPF; comparing pressure difference that compares the measured pressure difference of the GPF with a predetermined reproduction pressure difference; calculating GPF temperature that calculates a temperature in the GPF in accordance with each one of CDA modes, based on the accumulation amount of soot and an average oxygen concentration of an exhaust gas for the each one of the CDA modes; and setting CDA mode that determines a number of cylinders available for an CDA operation based on the calculated temperature and a predetermined temperature established for preventing the GPF from a damage. | 03-07-2013 |
| 20130060447 | VEHICLE DIAGNOSIS DEVICE AND METHOD - A method of diagnosing faults within an engine system, the engine system comprising a plurality of cylinders, the method comprising: monitoring the output signal of one or more in-cylinder pressure sensors within the engine system, each of the one or more in-cylinder pressure sensors being associated with a cylinder within the engine system; determining a pressure related parameter for a given cylinder having an associated in-cylinder pressure sensor; and diagnosing the presence of faults within the engine system on the basis of the pressure related parameter. | 03-07-2013 |
| 20130060448 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - The present invention relates to a control device for internal combustion engine comprising: a means for correcting an target value of each object to be controlled; a means for predicting a future state of each of the objects when the objects are controlled according to an initial-target-value or a corrected-target-value of each object; and a means for determining whether or not the future state of each object satisfies a constraint condition for the internal combustion engine, wherein the correction of the target value of each object, the prediction of the future state of each object based on the corrected target value corrected by the correction, and the determination whether or not the predicted future state of each object satisfies the constraint condition are repeated until determined so that the predicted future state satisfies the constraint condition. Furthermore, in the present invention, the state of the object to be predicted is the state in the future after a limited predetermined period. | 03-07-2013 |
| 20130073174 | SYSTEM AND METHOD FOR DIAGNOSING AN ENGINE - Methods and systems are provided for an engine including a crankcase. A condition of the engine may be diagnosed based on frequency content of crankcase pressure. Different types of degradation may be distinguished based on a frequency content of multiple frequencies of the crankcase pressure. Thus, a degraded engine component may be identified in a manner that reduces service induced delay. | 03-21-2013 |
| 20130073175 | SYSTEMS AND METHODS FOR DIAGNOSING AN ENGINE - Methods and systems are provided for an engine. A condition of the engine may be diagnosed based on information provided by signals from a generator operationally connected to the engine and/or other signals associated with the engine. Different types of degradation may be distinguished based on discerning characteristics within the information. Thus, a degraded engine component may be identified in a manner that reduces service induced delay. | 03-21-2013 |
| 20130073176 | METHOD TO OPERATE AN ELECTRONICALLY CONTROLLED INTERNAL COMBUSTION ENGINE - A method and computer readable medium are disclosed to control operation of an internal combustion engine having an electronic control unit (ECU) with memory to burn off HC in an engine exhaust system and limit hydrocarbon and NOx content in the engine exhaust stream while operating the engine in idle mode. | 03-21-2013 |
| 20130073177 | METHOD TO OPERATE AN INTERNAL COMBUSTION ENGINE - A method to operate a vehicle equipped an internal combustion engine and a transmission coupled to drive wheels. The vehicle is equipped with a parking brake and has an electronic control unit with memory and the engine in fluid communication with an exhaust aftertreatment system. The method includes the steps of determining whether the engine is operating in idle mode for a predetermined period of time; determining whether NOx emissions exceed a predetermined level after the predetermined period of time; and limiting the engine speed not to exceed a predetermined engine speed until an operator engages the parking brake and engages an engine ignition switch. | 03-21-2013 |
| 20130073178 | DIAGNOSTIC SYSTEM AND METHOD FOR A VARIABLE VALVE LIFT MECHANISM - A system according to the principles of the present disclosure includes a timing control module and a diagnostic module. The timing control module controls engine valve timing by sending fluid to an advancing chamber of a cam phaser to adjust the cam phaser to an advanced position and by sending fluid to a retarding chamber of the cam phaser to adjust the cam phaser to a retarded position. The diagnostic module identifies a fault in a variable valve lift (VVL) mechanism based on a first difference between an advancing pressure of the advancing chamber and a retarding pressure of the retarding chamber. | 03-21-2013 |
| 20130073179 | SELECTIVE EXHAUST GAS RECIRCULATION DIAGNOSTIC SYSTEMS AND METHODS - A system for a vehicle includes a first exhaust gas flow rate (EGF) estimation module, a second EGF estimation module, and an EGF fault detection module. The first EGF estimation module estimates a first flow rate of exhaust re-circulated back to an intake manifold based on a concentration of oxygen in the intake manifold. The second EGF estimation module estimates a second flow rate of exhaust re-circulated back to the intake manifold based on an engine speed and an engine load. The EGF fault detection module selectively indicates a fault is present in an exhaust gas recirculation (EGR) system based on the first flow rate and the second flow rate. | 03-21-2013 |
| 20130073180 | CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - An object of this invention is to appropriately control the state of a corona discharge in accordance with an exhaust air-fuel ratio, and always purify particulate matter (PM) in exhaust gas efficiently. An engine is equipped with a corona discharge-type exhaust emission control device. The exhaust emission control device purifies PM in exhaust gas by generating a corona discharge between a center electrode and an earth electrode. When the air-fuel ratio is in a rich region, an ECU controls an applied voltage that is applied between the electrodes. It is thereby possible to obtain a maximum PM purification rate while preventing an arc discharge. When the air-fuel ratio is in a lean region, a discharge current flowing between the electrodes is controlled. It is thereby possible to suppress power consumption while compensating for a decrease in the PM purification rate caused by a reduction in the PM amount in the exhaust gas. | 03-21-2013 |
| 20130080022 | ENGINE OIL LEVEL MONITORING SYSTEMS AND METHODS - An oil monitoring system includes a level module, a limit module and an remedial action module. The level module is configured to determine N oil levels of an engine of a vehicle, where N is an integer greater than 1. The limit module is configured to determine an oil level trend based on the N oil levels and estimate when a level of oil in the engine is to be outside the predetermined range based on the oil level trend. The remedial action module is configured to perform a remedial action based on the estimate of when the level of the oil is to be outside the predetermined range. | 03-28-2013 |
| 20130080023 | SYSTEM AND METHOD FOR SECURING ENGINE TORQUE REQUESTS - A control system for an engine includes an engine torque request module, an engine torque response module, a torque command limit module, and an actuation module. The engine torque request module determines an engine torque request based on (i) an engine power request and (ii) a desired engine speed (DRPM). The engine torque response module determines first and second torque values based on (i) an engine torque response model and (ii) first and second torque boundaries, wherein the first and second torque boundaries are based on the DRPM and a measured engine speed (RPM). The torque command limit module generates a secured engine torque request based on (i) the engine torque request and (ii) the first and second torque values. The actuation module controls at least one actuator of the engine based on the secured engine torque request. | 03-28-2013 |
| 20130080024 | SYSTEM AND METHOD FOR ESTIMATING TURBOCHARGER OPERATING SPEED - A system and method are provided for estimating the operating speed of a turbocharger. A first pressure value corresponds to pressure at or near the air inlet of the compressor, and a second pressure value corresponds to pressure at or near the air outlet of the compressor. A temperature value corresponds to a temperature at or near the air inlet of the compressor, and a flow rate value corresponds to a flow rate of air entering the air inlet of the compressor. The operating speed of the turbocharger is estimated as a function of the first pressure value, the second pressure value, the temperature value and the flow rate value. | 03-28-2013 |
| 20130080025 | SYSTEM AND METHOD FOR ESTIMATING TURBOCHARGER COMPRESSOR INLET AIR FLOW RATE - A system and method are provided for estimating the flow rate of air entering an air inlet of a turbocharger compressor. A first pressure value corresponds to pressure at or near the air inlet of the compressor, and a second pressure value corresponds to pressure at or near the air outlet of the compressor. A temperature value corresponds to a temperature at or near the air inlet of the compressor, and a speed value corresponds to an operating speed of the turbocharger. The flow rate of air entering the air inlet of the turbocharger compressor is illustratively estimated as a function of the first pressure value, the second pressure value, the temperature value and the speed value. | 03-28-2013 |
| 20130080026 | METHOD AND APPARATUS FOR CONTROLLING COMBUSTION NOISE IN AN INTERNAL COMBUSTION ENGINE - An internal combustion engine operates in a homogeneous-charge compression-ignition combustion mode. A method for controlling the internal combustion engine in response to a fast transient event from a low-load state to a high-load state includes operating the engine with a negative valve overlap between an intake valve and an exhaust valve, and determining a preferred combustion phasing responsive to the high-load state. A preferred EGR mass and a preferred intake valve timing corresponding to the preferred combustion phasing are determined A first intake valve timing is determined in response to a difference between the preferred EGR mass and an actual EGR mass. The intake valve timing is controlled in response to a difference between the preferred intake valve timing and the first intake valve timing. | 03-28-2013 |
| 20130080027 | CONTROL DEVICE AND METHOD FOR CONTROLLING VARIABLE VALVE TIMING MECHANISM IN INTERNAL COMBUSTION ENGINE - Valve timing is held to a position close to a target value as much as possible while suppressing control errors of valve timing even though a crankshaft rotates in reverse. In an internal combustion engine which controls the valve timing by a variable valve timing mechanism (an electric VTC) driven by an electric motor, an intake valve timing is controlled after an output of an engine stop command such that: when the engine rotates in a forward direction, a real valve timing (a VTC real angle θr) detected by a sensor is converged to a target valve timing (a VTC target angle θtrg) advanced for the time of start; and when the engine rotates in a reverse direction, a manipulated variable of the electric VTC is set so that the VTC real angle θr is held to the VTC real angle θr detected just before the detection of the reverse rotation. | 03-28-2013 |
| 20130080028 | METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE - An exemplary embodiment of the present disclosure provides a method for operating an internal combustion engine comprising: monitoring a value of a temperature parameter of a diesel particulate filter of the internal combustion engine; monitoring a value of an operating parameter of the internal combustion engine indicative of an engine load; using the monitored value of the engine load parameter to determine a threshold value of the diesel particulate filter temperature parameter; testing whether the monitored value of the diesel particulate filter temperature parameter exceeds the determined threshold value thereof; and diagnosing that the diesel particulate filter is overheated if the test returns positive. | 03-28-2013 |
| 20130085653 | ELECTRIC VEHICLE AND FAULT DETECTION METHOD FOR EXHAUST GAS RECIRCULATION SYSTEM OF INTERNAL COMBUSTION ENGINE - An electric vehicle includes engine in which the amount of fuel supply is controlled by a throttle, a generator that produces electricity using the power of the engine, a motor outputs power to a drive shaft, an EGR system that supplies gas, exhausted from the engine, to a manifold of the engine, a clutch that switches between the transmission and the non-transmission of power from the engine to the drive shaft, a sensor that measures the change of a pressure of the manifold before and after the EGR system supplies the gas to the manifold, and ECU that performs fault detection of the EGR system using the sensor when conditions, where a series mode is selected, the degree of opening of the throttle is constant, are satisfied. | 04-04-2013 |
| 20130085654 | CONTROL APPARATUS AND CONTROL METHOD FOR VARIABLE MECHANISM - In a control apparatus and a control method for a variable mechanism, when a predetermined condition is fulfilled, a movable member ( | 04-04-2013 |
| 20130090832 | Supercharger-Based Twin Charging System for an Engine - The present disclosure relates to dual compression engine boosting systems utilizing both a turbocharger and a supercharger and control systems relating to relative activation and deactivation of the boosting devices. Various Exhaust Gas Recirculation (EGR) configurations are also disclosed for the dual compression engine boosting systems. | 04-11-2013 |
| 20130090833 | ENGINE SYNCHRONIZATION METHOD - A method for synchronizing an internal combustion engine having at least one cylinder including a piston moving between a top and a bottom dead center, the movement driving a crank shaft and a cam shaft, the method including:
| 04-11-2013 |
| 20130103285 | METHOD AND DEVICE FOR ADAPTING A LAMBDA CONTROL - A method for adapting a lambda control of an internal combustion engine having an exhaust gas probe disposed in an exhaust gas duct of the internal combustion engine as part of an exhaust gas monitoring system, wherein the adaptation is carried out on the basis of a comparison between a modeled and a measured signal after a predetermined change in the fuel-air ratio of an air-fuel mixture supplied to said internal combustion engine has taken place and wherein the measured signal is an actual value of an output signal of the exhaust gas probe and the modeled signal is a modal value, which is derived from the air-fuel mixture supplied to said internal combustion engine through the use of an exhaust gas model. | 04-25-2013 |
| 20130110374 | METHOD AND SYSTEM FOR ENGINE CONTROL | 05-02-2013 |
| 20130110375 | MULTI-DISPLACEMENT ENGINE | 05-02-2013 |
| 20130124066 | DYNAMIC TUNING OF ENGINE AUTO STOP CRITERIA - The criteria used to determine whether to initiate an auto stop of an engine may be altered based on a number of previous auto stops of the engine, a total auto stop off time of the engine, or a total throughput of a battery. Altering the criteria may influence a frequency with which the engine is auto stopped. | 05-16-2013 |
| 20130131953 | Anti-Sticking And Diagnostic Strategy For Exhaust System Valves - An engine system includes an exhaust system fluidly connected to an electronically controlled engine. Exhaust from the engine may travel a first pathway through a turbine of a turbocharger, or a second pathway that bypasses the turbine. An electronically controlled wastegate vale is biased to close the second pathway. An electronic controller is in communication with the electronically controlled engine and the electronically controlled wastegate valve. The electronic controller is configured to execute a wastegate diagnostic algorithm to detect a stuck closed default condition of the electronically controlled wastegate valve, and derate the engine in response to detection of a stuck closed fault condition. | 05-23-2013 |
| 20130131954 | METHOD OF PREDICTING NOx GENERATION AMOUNT - A method of predicting NOx generation amount may include calculating NO generation rate by using a combustion pressure of an engine and driving variables of the engine, obtaining NO generation period by using the combustion pressure of the engine, calculating NO generation amount based on the NO generation rate and the NO generation period, and predicting the NOx generation amount by obtaining NO | 05-23-2013 |
| 20130131955 | SYSTEMS AND METHODS FOR CORRECTING MASS AIRFLOW SENSOR DRIFT - Systems and methods for correcting mass airflow sensor drift include an operation conditions module to interpret a base calibration function, a MAF sensor input value, and a current operating condition. A MAF correction module determines an expected MAF value in response to the current operating condition and a predetermined operating condition. The MAF correction module will also determine an adjusted MAF value in response to the expected MAF value, the base calibration function, and the MAF sensor input value. A MAF reporting module is structured to provide the adjusted MAF value. | 05-23-2013 |
| 20130131956 | TRANSIENT-STATE CONTROL METHOD FOR A HYBRID DRIVE SYSTEM FOR VEHICLES - The invention relates to a method of controlling a hybrid drive system having at least one electric machine and at least one diesel engine. The invention corrects the static torque setpoint T | 05-23-2013 |
| 20130131957 | PATH PLANNING DURING COMBUSTION MODE SWITCH - Systems and methods are provided for transitioning between a first combustion mode and a second combustion mode in an internal combustion engine. A current operating point of the engine is identified and a target operating point for the internal combustion engine in the second combustion mode is also determined. A predefined optimized transition operating point is selected from memory. While operating in the first combustion mode, one or more engine actuator settings are adjusted to cause the operating point of the internal combustion engine to approach the selected optimized transition operating point. When the engine is operating at the selected optimized transition operating point, the combustion mode is switched from the first combustion mode to the second combustion mode. While operating in the second combustion mode, one or more engine actuator settings are adjusted to cause the operating point of the internal combustion to approach the target operating point. | 05-23-2013 |
| 20130131958 | SMART VEHICLE SENSOR - Various systems and methods are described for controlling operation of a motor vehicle based on a sensor. One example method comprises receiving sensed parameter data from the sensor, receiving calibration data from the sensor, and adjusting a vehicle operating parameter in response to the sensed parameter data and the calibration data. | 05-23-2013 |
| 20130138323 | ISG SYSTEM AND CONTROL METHOD THEREOF - The ISG (Idle Stop & Go) system may include a vehicle information receiving unit receiving a vehicle information, and a control unit including an ISG operation logic which performs an idle stop when a preset idle stop condition is satisfied and restarts the engine when a preset restart condition of the engine is satisfied, and an ISG deactivation determination logic which determines whether a preset ISG deactivation condition is satisfied or not, based on the accumulated number of determinations that the idle stop condition is not satisfied, the accumulated number of idle stops, and the accumulated number of determinations that a performance time of the idle stop is smaller than a preset idle stop retention time, and deactivates the ISG operation logic when the ISG deactivation condition is satisfied. | 05-30-2013 |
| 20130138324 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - The present invention relates to a control device for an internal combustion engine including: a first control subject | 05-30-2013 |
| 20130144503 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - An internal combustion engine control device having a particulate matter sensor which has a pair of electrodes disposed at a distance from each other and measures the amount of particulate matter in a gaseous body, and elimination means for burning and eliminating particulate matter attached to the particulate matter sensor. The control device performs a particulate matter elimination process to judge whether the amount of particulate matter attached to the particulate matter sensor is smaller than a reference particulate matter amount that is predefined as the minimum amount of remaining particulate matter required to bring the pair of electrodes into electrical conduction at one or more spots. When the amount of particulate matter is judged to be smaller than the reference particulate matter amount, the control device causes the elimination means to terminate the particulate matter elimination process. | 06-06-2013 |
| 20130144504 | MANAGEMENT OF OPERATION OF AN AUTOMOTIVE ELECTRICAL SYSTEM FEATURING A RENEWABLE ELECTRICAL POWER SOURCE - Automotive electrical system comprising an electronically-controllable alternator, a solar panel, and an electronic control unit configured to control electrical power generation in the automotive electrical system by determining whether to individually or jointly exploit electrical power supplied by the solar panel and the alternator; if it is determined to exploit electrical power supplied by the solar panel only, controlling the alternator to cause it to bring the automotive electrical system to operate in an operating point where the solar panel supplies the maximum deliverable electrical power; and if it is determined to exploit electrical power jointly supplied by the solar panel and the alternator, controlling the alternator to cause it to bring the automotive electrical system to operate in an operating point where the solar panel and the alternator jointly supply an overall electrical power that depends on fuel consumption. | 06-06-2013 |
| 20130144505 | METHOD FOR OPERATING AN EXHAUST GAS SYSTEM OF AN INTERNAL COMBUSTION ENGINE - A method for operating an exhaust gas system of an internal combustion engine is described, wherein NOx is reduced by means of a SCR catalyst and a NOx reduction capability of an aqueous urea solution to be introduced into the exhaust gas system is monitored, and wherein at least one first variable characterizing the ammonia content of the water is ascertained and an ageing of the aqueous urea solution is inferred from said first variable. | 06-06-2013 |
| 20130144506 | ENGINE PROTECTING APPARATUS FOR PREVENTING THE INFLOW OF MOISTURE - The present invention relates to an engine protecting apparatus for preventing the inflow of moisture, which drops the RPM (revolutions per minute) of an engine by generating an RPM drop request signal when moisture drain does not occur, wherein a time is counted from the point when a moisture detection signal is received from a WIF sensor installed in a moisture separator, and moisture drain is checked at the point when a counted cumulative time exceeds a set time. When moisture drain is not performed even after a signal for moisture drain is received from a moisture detecting sensor installed in the moisture separator, a driver is aware of the seriousness of moisture separation to thus separate moisture in the moisture separator as soon as possible. This prevents fatal damages which may be aroused in an injector or fuel system due to the introduction of moisture into an engine. | 06-06-2013 |
| 20130151113 | OIL PUMP CONTROL SYSTEM FOR VEHICLE - An oil pump control system for a vehicle, may include an oil pump configured to supply oil to an engine, an oil pressure control valve regulating oil pressure value of a discharging part in the oil pump, an oil pressure sensor sensing and outputting the oil pressure value of the discharging part in the oil pump, and a controller receiving a signal of the oil pressure value, determining a target oil pressure value of the discharging part in the oil pump in response to information relating to an oil pressure and operation state of the engine among vehicle information inputted from outside, comparing the sensed oil pressure value inputted from the oil pressure sensor with the target oil pressure value, and performing feedback control to drive the oil pressure control valve. | 06-13-2013 |
| 20130151114 | METHOD OF MANAGING AUXILIARY FUEL SYSTEM FOR FFV - A method of managing an auxiliary fuel system for a flexible fuel vehicle (FFV), may include monitoring a number of operations of the auxiliary fuel system when an engine of a vehicle starts, determining whether it may be necessary to perform maintenance of the auxiliary fuel system on the ground that the auxiliary fuel system has not been used for a predetermined time period in which the number of starts of the engine reaches a predetermined number, on the basis of the result of the monitoring, and operating the auxiliary fuel system in accordance with a predetermined setting, when the determining of whether it may be necessary to perform the maintenance of the auxiliary fuel system reveals that the auxiliary fuel system has not been used for the predetermined time period. | 06-13-2013 |
| 20130151115 | SYSTEM AND METHOD FOR CONTROLLING TORQUE OF ENGINE - Disclosed is a system and method for controlling engine torque of a hybrid vehicle. In particular, engine mapping information including intake temperature and barometric pressure compensation factors that are the bases for an engine test is received at a control unit. The control unit then calculates a currently available torque of the engine based on the current intake temperature and barometric pressure compensation factors calculated in the engine mapping information, and calculates a current optimal operating line (OOL) torque in the engine through applying an OOL ratio over each RPM in the engine test to the currently available engine torque. The engine test is a test conducted under predetermined conditions for generating a specific fuel consumption map. Advantageously, fuel efficiency may be improved by controlling an engine of a hybrid vehicle at an optimal torque in consideration of current external conditions as well. | 06-13-2013 |
| 20130151116 | ELECTRONIC CONTROL UNIT OF INTERNAL COMBUSTION ENGINE - An electronic control unit (ECU), for use with an internal combustion engine, determines whether an abnormal combustion has occurred in the engine. The ECU uses a sensor signal amplifier to amplify a sensor signal from a sensor by changing an amplification power of the sensor signal and an A/D converter to convert the sensor signal amplified to a digital signal (i.e., a digitized sensor signal). The ECU uses an abnormal combustion detector to determine whether an abnormal combustion has occurred based on a characteristic of a waveform of the digitized sensor signal, and performs an abnormal combustion prevention control to prevent the abnormal combustion when an abnormal combustion is detected. An amplification controller is used to set the amplification power of the sensor signal amplifier based on the amplitude of the digitized sensor signal and a determination result of the abnormal combustion by the abnormal combustion detector. | 06-13-2013 |
| 20130158833 | SENSORS BIAS DETECTION FOR ELECTRONIC RETURNLESS FUEL SYSTEM - A method for isolating an actual sensor bias in a fuel delivery system having a fuel pump includes monitoring first, second and third fuel pump parameters, detecting first and second fuel pump sensor biases based on the monitored first, second and third fuel pump parameters, modeling a fourth fuel pump modeled parameter based on the monitored second and third fuel pump parameters, and isolating the actual sensor bias in one of the detected first and second fuel pump biases based on the monitored third fuel pump parameter and the modeled fourth fuel pump modeled parameter. | 06-20-2013 |
| 20130158834 | METHOD AND DEVICE FOR ASCERTAINING A MODELING VALUE FOR A PHYSICAL VARIABLE IN AN ENGINE SYSTEM HAVING AN INTERNAL COMBUSTION ENGINE - A method for determining a modeling value of a physical variable in a gas guiding section of an engine system including an internal combustion engine, includes the following steps: operating the engine system in such a way that an air mass flow is present in the gas guiding section; determining instantaneous values of other physical variables; and determining the modeling value of the physical variable by solving a differential equation, which results as the discretization of a differential equation, with the aid of the previously ascertained instantaneous values of the other physical variables. | 06-20-2013 |
| 20130158835 | INTERNAL COMBUSTION ENGINE INCLUDING CRANKSHAFT THAT IS ROTATED WHILE ENGINE IS IN A NON-FUELED MODE AND METHOD OF OPERATING AN ENGINE - A method of operating an engine includes starting and stopping operation of an internal combustion engine that includes a crankshaft having a bearing journal and a bearing in which the bearing journal is rotatable. The crankshaft is constantly turned when the internal combustion engine is in the non-fueled mode. An oil pump can be driven to lubricate the bearing journal and the bearing while the internal combustion engine is in the non-fueled mode to provide hydrodynamic lubrication. An engine is also disclosed. | 06-20-2013 |
| 20130166171 | System and Method for Controlling an Engine Speed Limit of a Work Vehicle During a Transmission Ratio Change - A method for controlling the speed limit of an engine of a work vehicle during a transmission ratio change is disclosed. The method may generally include receiving with a controller signals associated with an input speed and an output speed of a transmission of the work vehicle, determining a percent ratio change between a first gear ratio and a second gear ratio of the transmission as a function of the input and output speeds as the transmission is shifted from the first gear ratio to the second gear ratio, determining a target engine speed limit for the engine based on the percent ratio change and adjusting an actual engine speed limit of the engine based on the target engine speed limit as the transmission is shifted from the first gear ratio to the second gear ratio. | 06-27-2013 |
| 20130166172 | POSITION DETECTING DEVICE - A first integrated circuit includes a first voltage output circuit for outputting a voltage, which proportionally increases in correspondence to an angular position of a throttle valve, a first protective resistor, a first output terminal connected to the first protective resistor, and a first abnormality detection circuit for outputting a first abnormality detection signal based on a voltage produced by the first protective resistor. A second integrated circuit is configured similarly to the first integrated circuit by a second voltage output circuit, a second protective resistor, a second output terminal, and a second abnormality detection circuit. | 06-27-2013 |
| 20130173137 | SYSTEM, APPARATUS, AND METHOD FOR PROTECTING VEHICLE ENGINES - A method includes providing a run-time configurable engine protection configuration that is stored in an engine protection module that is linked to a sensor associated with an engine. The method also includes identifying an engine protection setting corresponding to the engine protection configuration. The engine protection setting includes at least three of a threshold value, a unique message, an action or an alarm. The method further includes presenting the engine protection setting to an operator via an interface. The interface includes at least one of a control panel or a computing device. Also, the method includes receiving, via the interface, an instruction corresponding to a revised engine protection setting. Further the method includes updating, during run-time, the engine protection configuration pursuant to the instruction to reflect the revised engine protection setting, responsive to the receiving of the instruction corresponding to the revised engine protection setting. | 07-04-2013 |
| 20130173138 | DUAL THROTTLE ENGINE SPEED CONTROL - Disclosed embodiments include throttle engine speed control systems, methods and power machines incorporating the same. In one embodiment, a power machine has a controllable power source that receives a command signal to control the power source. First and second throttle input devices provide first and second throttle input signals, respectively, that are indicative of actuation thereof. A controller receives and combines the first and second throttle input signals to generate the command signal. | 07-04-2013 |
| 20130179049 | METHOD AND DEVICE FOR OPERATING A LUBRICATING SYSTEM OF A COMBUSTION ENGINE - The application relates to a method for operating a lubricating system of a combustion engine in a motor vehicle, the engine having a variably controllable oil pump and a plurality of piston cooling jets. The oil pressure may be adjusted based on operating conditions to activate and de-activate the piston cooling jets when needed. | 07-11-2013 |
| 20130184966 | METHOD AND SYSTEM FOR ENGINE TORQUE CONTROL - Methods and systems are provided for improving vehicle torque control accuracy. Data points of an engine torque data set are adjusted en masse by an on-board vehicle controller while also being adjusted individually by an off-board controller. By adjusting engine operation based on a torque data set that is updated by each of the on-board and off-board controllers, engine torque errors can be reliably determined and compensated for. | 07-18-2013 |
| 20130184967 | METHOD AND APPARATUS FOR CONTROLLING OPERATION OF AN INTERNAL COMBUSTION ENGINE OPERATING IN HCCI COMBUSTION MODE - A method for operating the internal combustion engine includes determining a first integrated thermal state parameter corresponding to engine environment factors affecting a combustion parameter during engine operation in a homogeneous-charge compression-ignition combustion mode. A difference in the first integrated thermal state parameter is determined corresponding to a difference between a monitored state for the combustion parameter and an estimated state for the combustion parameter. The first integrated thermal state parameter is corrected in response to the difference in the integrated thermal state parameter. Operation of the internal combustion engine is controlled in response to the corrected first integrated thermal state parameter. | 07-18-2013 |
| 20130184968 | Electric Power Supply System and Controller of Vehicle that can Supply Electric Power to Outside - Provided is an electric power supply system which includes a plurality of electric power sources and supplies electric power corresponding to demanded electric power. In supplying electric power to the outside from a vehicle which constitutes one of the electric power sources, the electric power supply system realizes generation of power by an engine at high efficiency while maintaining a balance between power income and expenditure. In supplying electric power from the vehicle, an amount of electric power generated by an engine mounted on the vehicle is decided based on information supplied from an external device such as transition over time in an amount of electric power demand including future prediction and transition over time in an amount of electric power which is suppliable from other electric power sources including future prediction. | 07-18-2013 |
| 20130191005 | METHOD AND SYSTEM FOR OPPORTUNISTICALLY AUTOMATICALLY STOPPING AN ENGINE OF A VEHICLE - Methods and systems for stopping and starting an engine automatically are presented. In one example, a method inhibits automatic engine stopping in response to output of an on-board camera. The method prevents engine stopping during conditions where little fuel may be saved via automatically stopping the engine. | 07-25-2013 |
| 20130191006 | VEHICLE, AND CONTROL METHOD FOR VEHICLE - A control device includes a PWM control unit that executes PWM control over an alternating-current motor mounted on a vehicle. The PWM control unit includes an alarm sound generation processing unit and a slip determination unit. The slip determination unit determines whether a drive wheel coupled to the alternating-current motor is slipping on the basis. of a d-axis current (Id), a q-axis current (Iq), a d-axis voltage command value (Vd) and a q-axis voltage command value (Vq) of the alternating-current motor. When the drive wheel is not slipping, the alarm sound generation processing unit generates an alarm sound from the alternating-current motor by adding a variation value (ΔV) to the d-axis voltage command value (Vd) at a predetermined interval. When the drive wheel is slipping, the alarm sound generation processing unit temporarily stops adding the variation value (ΔV) to the d-axis voltage command value (Vd). | 07-25-2013 |
| 20130191007 | OUTPUT CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - An output control device for an internal combustion engine mounted on an electrically powered vehicle has a power generator driven by the engine, a drive battery that saves a power generated by the power generator and detects an SOC value of a power saving state, and a drive motor that propels a vehicle by using the power generated by the power generator or the power saved in the drive battery, and controls an output of the engine at a time of power generation of the power generator. The output control device sets an engine output determination value corresponding to a boundary at which an operation state of the engine shifts from stoichiometric operation to enriched operation, and limits an output of the engine to equal to or less than the engine output determination value in correspondence with the detected SOC value of the drive battery. | 07-25-2013 |
| 20130197777 | SYSTEMS AND METHODS FOR MONITORING AND CONTROLLING FUEL SYSTEMS - Systems and methods may be provided for monitoring a fuel level of a vehicle. The fuel may be a gaseous fuel, such as natural gas. An electronic control unit may be able to receive a signal from one or more sensors. The electronic control unit may provide a command to drive a fuel gauge to display the fuel level. The electronic control unit may determine the gauge command based on the received signal and a filling compensation scheme. The electronic control unit may be initialized through a user interface. A filling compensation scheme may be selected during initialization. The electronic control unit may be capable of communicating various sensors, gauges, devices, controls and/or other ECUs of varying specifications. | 08-01-2013 |
| 20130197778 | SOOT ACCUMULATION MODEL FOR SETPOINT MODIFICATION - A method controlling operation of an engine utilizing a number of preset operating parameters is provided. An operating mode of the engine is determined. An operating state of the engine is determined. A first plurality of engine parameter settings are retrieved from a memory in response to the determined operating mode and the determined operating state of the engine. The first plurality of engine parameter settings are applied to at least one control algorithm of the engine. A rate of soot accumulation from the engine is monitored. The rate of soot accumulation is compared to a predetermined soot accumulation rate threshold. A second plurality of engine parameter settings are retrieved from a memory in response to the monitored rate of soot accumulation exceeding the predetermined soot accumulation rate threshold. | 08-01-2013 |
| 20130197779 | Setpoint Bank Control Architecture - A method of controlling operation of an engine is provided that utilizes a number of preset operating parameters. The method determines an operating mode of the engine. The method determines an operating state of the engine. A plurality of engine parameter settings is retrieved from a memory in response to the determined operating mode and the determined operating state of the engine. The plurality of engine parameter settings are applied to at least one control algorithm of the engine. | 08-01-2013 |
| 20130197780 | SUPERVISORY CONTROL SYSTEM FOR SERIES TYPE HYBRID-ELECTRIC POWERTRAINS - A method of operating a series type hybrid-electric powertrain having an internal combustion engine, a generator, and a battery is provided. A state of charge level of a battery is estimated. The state of charge level estimate is compared to a first threshold. An internal combustion engine operates at a first engine speed setpoint and a first engine torque output setpoint when the state of charge level estimate is below the first threshold. The state of charge level estimate is compared to a second threshold. The second threshold is a lower state of charge level than the first threshold. The internal combustion engine operates at a second engine speed setpoint and a second engine torque output setpoint when the state of charge level estimate is below the second threshold. The internal combustion engine generates more torque at the second torque output setpoint. | 08-01-2013 |
| 20130204508 | SYSTEM AND METHOD FOR CONTROLLING AN ENGINE - A method for controlling regeneration within an after-treatment component of an engine comprises receiving an upstream temperature signal representing a temperature of an exhaust stream upstream from the after-treatment component and calculating an expected downstream temperature based on the upstream temperature signal and a model for calculating the expected downstream temperature. A temperature index is calculated based on the upstream temperature signal and the expected downstream temperature, and an estimate of accumulated particulate matter in the after-treatment component is calculated based, at least in part, on the temperature index. The estimate of accumulated particulate matter in the after-treatment component is compared to a predetermined threshold associated with the after-treatment component, and a remedial action is initiated when the estimate of accumulated particulate matter in the after-treatment component exceeds the predetermined threshold. | 08-08-2013 |
| 20130204509 | METHOD FOR DETERMINING THE PROPORTION OF GASEOUS WORKING MEDIUM IN THE CYLINDER OF AN INTERNAL COMBUSTION ENGINE - A method for determining the proportion of gaseous working medium in a cylinder of an internal combustion engine includes opening an injector so as to feed fuel directly into the cylinder. The injector is connected to a fuel line in which a pressure sensor is arranged. The pressure in the fuel line is measured when the injector is open. The proportion of gaseous working medium in the cylinder is determined in conjunction with an association between the measured pressure in the fuel line when the injector is open and the proportion of gaseous working medium in the cylinder. | 08-08-2013 |
| 20130218438 | METHOD AND SYSTEM FOR ENGINE DILUTION CONTROL - Methods and systems are provided for enabling engine dilution control. One or more engine diluents are combined to provide a desired engine dilution, the various diluents selected based on their respective combustion stability limits. A ratio of the various diluents used is further adjusted based on engine operating limitations. | 08-22-2013 |
| 20130218439 | CONTROLLING VARIABLE VALVE ACTUATION SYSTEM - A method of controlling a variable valve actuation system for an internal combustion engine having a plurality of cylinders, each of the plurality of cylinders having a variable valve actuator and in-cylinder pressure sensor is provided. Output of an in-cylinder pressure sensor is monitored at a predetermined crank angle Θp with an electronic control module. The output of the in-cylinder pressure sensor of the monitored one of the plurality of cylinders at the predetermined crank angle Θp is compared to a stored threshold value for in-cylinder pressure at the predetermined crank angle. A variable valve actuator is adjusted to adjust a crank angle Θc corresponding to when an intake valve of the monitored one of the plurality of cylinders closes when the output of the in-cylinder pressure sensor of the monitored one of the plurality of cylinders does not correspond to the stored threshold value. | 08-22-2013 |
| 20130226434 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - A control device for an internal combustion engine. An object of the present invention is to provide a control device for an international combustion engine for highly accurate absolute pressure correction irrespective of the length of an adiabatic compression stroke period. When the number of cylinders in an engine is n (n is an integer of 2 or more), an adiabatic compression stroke period of one cylinder preceding another cylinder to be corrected into its absolute pressure by a 1/n cycle (ignition timing—IVC) is compared with a threshold CA | 08-29-2013 |
| 20130226435 | SYSTEMS AND METHODS FOR ADJUSTING AN ESTIMATED FLOW RATE OF EXHAUST GAS PASSING THROUGH AN EXHAUST GAS RECIRCULATION VALVE - A system according to the principles of the present disclosure includes a volumetric efficiency adjustment module and an exhaust gas recirculation (EGR) flow adjustment module. The volumetric efficiency adjustment module adjusts an estimated volumetric efficiency of an engine based on a mass flow rate of air entering the engine. The EGR flow adjustment module selectively adjusts an estimated mass flow rate of exhaust gas passing through an EGR valve based on an amount by which the volumetric efficiency adjustment module adjusts the volumetric efficiency. | 08-29-2013 |
| 20130231842 | METHOD FOR OPERATING A DRIVE DEVICE - The invention discloses a method for operating a drive device ( | 09-05-2013 |
| 20130231843 | CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE (AS AMENDED) - Provided is a control apparatus for an internal combustion engine, which can determine whether or not there is a failure concerning a switching of an operational state of an intake valve, in the internal combustion engine that includes a valve stop mechanism that is capable of switching the operational state of the intake valve between a valve operating state and a valve closed/stopped state, without the need of adding a new sensor for the failure determination. An intake variable valve operating apparatus ( | 09-05-2013 |
| 20130238217 | METHOD AND SYSTEM FOR ESTIMATING FUEL COMPOSITION - Methods and systems are provided for operating a fuel system configured to deliver a gaseous fuel to an engine. Following tank refilling, the fuel composition is selectively updated based on fuel tank pressure, temperature, and air content data. When the engine is subsequently restarted, the fuel rail is primed for a duration based on the updated composition. | 09-12-2013 |
| 20130238218 | ENGINE CONTROL SYSTEMS AND METHODS WITH HUMIDITY SENSORS - A system for a vehicle includes a humidity determination module, a specific humidity module, and a parameter control module. The humidity determination module determines a first specific humidity of air based on a relative humidity of the air measured by a humidity sensor in an intake system of the vehicle. The specific humidity module sets a second specific humidity of the air equal to one of the first specific humidity and a predetermined specific humidity of the air in response to a comparison of a mass air flowrate (MAF) into an engine and a predetermined flowrate. The parameter control module controls at least one operating parameter of an engine based on the second specific humidity. | 09-12-2013 |
| 20130238219 | ABNORMALITY DETERMINATION DEVICE OF VEHICLE AND ABNORMALITY DETERMINATION METHOD - Provided is an abnormality determination device of a vehicle including an engine and a first motor that is configured to output a torque to an output shaft of the engine, the abnormality determination device determining an output abnormality of dropping output of the engine in the vehicle. The abnormality determination device has an abnormality determination unit that determines that an output abnormality of the engine has occurred when an actual torque that is estimated, based on a torque of the first motor, as a torque actually output from the engine falls below a lower limit of an allowable range for a target torque to be output from the engine, and when an amount of increase in a rotational speed of the engine is smaller than a threshold value for misdetermination suppression, which is a threshold value that is larger as the target torque is higher. | 09-12-2013 |
| 20130238220 | MOTOR VEHICLE WITH REDUCED SOUND EMISSIONS - A heavy goods vehicle or omnibus motor vehicle with reduced sound emissions, having a diesel engine, the operation of which can be regulated by an injection pump by an engine electronics unit which includes a microprocessor, a data and program store and input and output peripherals. Measures for at least temporarily reducing the sound emissions by the engine can be carded out to and/or at a level preferably prescribed by legislation, by regulating operation of the engine such that free and/or additional data storage locations that need to be provided in the engine electronics unit switch to a reduced-noise mode, the effect of which at least temporarily increases consumption and at the same time is at least approximately constant in terms of power and rotation speed, and which reduces the emission of sound from the drive and/or engine, in particular the reduced-noise mode lowers the rail pressure, defers the injection to a later time and/or provides a greater volume of subsets in the fuel metering. | 09-12-2013 |
| 20130238221 | ELECTRONIC OIL PUMP - An electronic oil pump has at least one lubricant inlet, at least one lubricant outlet, at least one piston being movable between a full stroke position and a fully retracted position, an electrical actuator operatively connected to the at least one piston, a first electrical lead connected to a first element of the pump for electrically connecting the first element to an electronic control unit (ECU), and a second electrical lead connected to a second element of the pump for electrically connecting the second element to the ECU. When the at least one piston is in the full stroke position, an electrical path between the first and second electrical leads is closed. When the at least one piston is in a position other than the full stroke position, the electrical path is opened. A method of controlling an engine having the oil pump is also disclosed. | 09-12-2013 |
| 20130245913 | CYLINDER PRESSURE BASED PUMP CONTROL SYSTEMS AND METHODS - An engine control system for a vehicle includes a pressure determination module, an adjustment determination module, a target determination module, and a pump control module. The pressure determination module determines a first pressure for a hydraulic fluid provided to fully flexible intake and exhaust valve actuators of an engine. The adjustment determination module determines a pressure adjustment for the first pressure based on a pressure within a cylinder. The target determination module determines a target pressure for the hydraulic fluid based on the first pressure and the pressure adjustment. Based on the target pressure, the pump control module controls a hydraulic fluid pump for an opening timing of an exhaust valve of the cylinder. | 09-19-2013 |
| 20130245914 | APPARATUS AND METHOD FOR CONTROLLING INTERNAL COMBUSTION ENGINE - An apparatus and a method for controlling an internal combustion engine, detects a rotating direction of an output shaft of the internal combustion engine. The internal combustion engine includes a crank angle sensor for outputting a pulse signal in accordance with rotation of a crankshaft. The crank angle sensor outputs at the time of reverse rotation of the crankshaft a pulse signal POS having a wider pulse width than that at the time of forward rotation. A control unit receiving pulse signal POS calculates a difference between a present value and a previous value of a pulse width of pulse signal POS and detects switching of a rotating direction of the crankshaft based on a magnitude of this difference. Thus, it is possible to suppress lowering of detection accuracy of a rotating direction of the crankshaft under the influence of variation of measurement values of the pulse width. | 09-19-2013 |
| 20130245915 | METHOD FOR DETERMINING A CYLINDER CHARGE OF AN INTERNAL COMBUSTION ENGINE - A method is described for determining a cylinder charge of an internal combustion engine by using a model. The rotational speed of the internal combustion engine, its intake manifold pressure, its intake manifold temperature, its exhaust gas mass flow, its external exhaust gas recirculation, a starting variable of a model for internal residual gas determination, a valve control time, a valve lift, as well as a variable for the characteristic curve of an operating mode switchover of the internal combustion engine are used as input variables of model. | 09-19-2013 |
| 20130245916 | Engine Control Unit and Atmospheric Pressure Estimation Method - When the opening of a throttle valve provided in an intake system of an engine with a supercharger is substantially fully opened, an electronic control unit estimates atmospheric pressure based on intake air pressure in the downstream of the throttle valve at the time of start of supercharging by the supercharger. Here, the meaning that the opening of the throttle valve is substantially fully opened includes such a state that the opening becomes equal to or greater than a predetermined opening and hence is considered to be approximately fully opened, as well as the state that the opening of the throttle valve is 100% (full throttle). | 09-19-2013 |
| 20130245917 | METHOD FOR OPTIMIZING AN INTERNAL COMBUSTION ENGINE - Internal combustion engine optimisation in which individual adjustment processes to be carried out to achieve optimal cooperation between the sensors, actuators, control device and internal combustion engine are started and carried out on the basis of the quality achieved for each of the individual adjustment processes in relation to one another, the ambient conditions of the internal combustion engine and the system states of the internal combustion engine in connection with a control program. | 09-19-2013 |
| 20130253798 | EXHAUST GAS RECIRCULATION CONTROL SYSTEMS AND METHODS - An engine control system for a vehicle includes a flowrate module, first and second mass fraction calculating modules, and an actuator control module. The flowrate module determines a mass flowrate of exhaust gas recirculation (EGR) to an engine. The first mass fraction calculating module, based on the mass flowrate of EGR, determines a first mass fraction of recirculated exhaust gas relative of a first gas charge for a first combustion event of the engine. The second mass fraction calculating module determines a second mass fraction of recirculated exhaust gas of a second gas charge for a second combustion event of the engine based on an average of the first mass fraction and one or more other values of the first mass fraction determined for other combustion events, respectively. The actuator control module selectively adjusts an engine operating parameter based on the second mass fraction. | 09-26-2013 |
| 20130253799 | FUEL SYSTEM DIAGNOSTICS - Methods and systems are provided for detecting a fuel system leak. One or more of a boost pressure from a compressor and vacuum from an intake manifold is sequentially applied on a fuel tank. A leak is detected based on a subsequent change in fuel tank pressure. | 09-26-2013 |
| 20130253800 | METHOD FOR DETERMINING THE TEMPERATURE OF AN IGNITION COIL - A method for determining the temperature of an ignition coil ( | 09-26-2013 |
| 20130261929 | CAMSHAFT PHASER CONTROL SYSTEMS AND METHODS - A control system for a vehicle includes a motor driver module, a correlation triggering module, a target phase angle module, and a correlation control module. The motor driver module controls an electric camshaft phaser of an engine based on a desired phase angle between a position of a crankshaft and a position of a camshaft. The correlation triggering module selectively generates a signal based on the position of the camshaft. The target phase angle module adjusts the desired phase angle to a predetermined phase angle in response to the generation of the signal. The correlation control module, in response to the generation of the signal: determines the position of the crankshaft when the camshaft is in a predetermined position; and selectively outputs a fault indicator based on a comparison of the position of the crankshaft and a predetermined crankshaft position range corresponding to the predetermined position. | 10-03-2013 |
| 20130261930 | SYSTEM AND METHOD FOR INCREASING FUEL ECONOMY OF A VEHICLE INCLUDING A SCR CATALYST - Methods and systems for increasing fuel economy of a vehicle including a SCR catalyst are presented. In one example, an amount of EGR provided to an engine is decreased in response to performance of the SCR being within a predetermined range of performance. The methods and systems may increase vehicle fuel economy while vehicle tailpipe emissions are achieved. | 10-03-2013 |
| 20130261931 | ROAD SURFACE SLOPE ESTIMATING DEVICE AND ENGINE CONTROL APPARATUS - A road surface slope estimating device includes a forward/backward sensor that outputs a detected forward/backward of a vehicle, a forward/backward estimator that calculates an estimated forward/backward of the vehicle, and a road surface slope estimating device that calculates an estimated road surface slope value using the detected forward/backward and the estimated forward/backward. The road surface slope estimating device implements a momentarily rough terrain determination step to determine whether the vehicle is traveling on momentarily rough terrain or continuously rough terrain. When it is determined that the vehicle is traveling on momentarily rough terrain, the road surface slope estimating device fixes the estimated road surface slope value to an estimated road surface slope value obtained immediately before the determination is made. | 10-03-2013 |
| 20130261932 | CONTROL SYSTEM FOR HYBRID VEHICLE - A warm-up control unit determines that a fuel-consumption improving effect cannot be obtained or it is not necessary to facilitate a warm-up operation of an engine, when a manual switch, for example, an ECO-switch, is turned on, when an accelerator opening degree is smaller than a predetermined degree and a variation of the accelerator opening degree for a unit time is smaller than a predetermined variation value, or when an ambient temperature is lower than a predetermined temperature and there is no demand for a heating operation. Then, the warm-up control unit lowers a priority for preferentially carrying out the warm-up operation of the engine, so that an adverse effect for improving fuel consumption ratio which may be caused by facilitating the warm-up operation can be avoided. | 10-03-2013 |
| 20130268175 | Method of Adaptive Control for Engine Transient Mitigation in a Hybrid Vehicle - A hybrid vehicle and method of control are provided. An engine raw power command is quantized. The quantized power command is set to one of a plurality of quantized power steps. A step size between the quantized power steps varies based on the raw power command. The engine of the hybrid vehicle is operated based on the set quantized power command. | 10-10-2013 |
| 20130268176 | EXHAUST GAS RECIRCULATION CONTROL SYSTEMS AND METHODS FOR LOW ENGINE DELTA PRESSURE CONDITIONS - A partial pressure determination module: determines a first partial pressure of oxygen in an intake manifold of an engine based on an output of a first oxygen sensor measuring oxygen in the intake manifold; and determines a second partial pressure of oxygen in an exhaust system based on an output of a second oxygen sensor measuring oxygen in the exhaust system. A concentration determination module: determines a concentration of oxygen in the intake manifold based on the first partial pressure and an intake manifold; and determines a concentration of oxygen in the exhaust system based on the second partial pressure. A flowrate determination module determines a mass flowrate of exhaust gas recirculation (EGR) based on the concentration of oxygen in the intake manifold and the concentration of oxygen in the exhaust system. An actuator control module controls an engine operating parameter based on the mass flowrate of EGR. | 10-10-2013 |
| 20130275022 | ENGINE CRANK SIGNAL CORRECTION METHOD AND CONTROLLER - An engine control module and method configured to correct an engine crank sensor signal for errors in an apparent location of a tooth edge on a crank wheel is provided. A correction factor is determined based on a first formula if a comparison of adjacent pulse intervals to predetermined thresholds indicates that a tooth edge appears to be abnormally late, and determined based on a second formula if a comparison of adjacent pulse intervals to other predetermined thresholds indicates that a tooth edge appears to be abnormally The correction factor is set to a null value if the correction factor is not determined based on the first formula or the second formula; and operating an engine based on the correction factor. | 10-17-2013 |
| 20130275023 | VARIABLE POWER OUTPUT AND MAXIMUM SPEED IN DRIVE MODE - A variable power drive mode system for a vehicle. The system includes a pedal, a processor, an engine or other vehicle power source for moving the vehicle and a battery. The processor of the vehicle determines, either automatically or based upon user input, a desired drive mode for the vehicle. A memory connected with the processor stores different data corresponding to the different drive modes determinable by the processor for the vehicle. The processor uses the different data stored in memory in combination with a position of the pedal to control the engine or other vehicle power source to generate power in accordance with the determined drive mode. Certain drive modes may provide for more aggressive driving profiles at the expense of fuel efficiency or fuel consumption when compared to other drive modes. | 10-17-2013 |
| 20130275024 | ENGINE CONTROL DEVICE - Variations in the air-fuel ratio among cylinders are specified as one cause of deterioration in exhaust emissions however the size of the variations in the air-fuel ratio among cylinders detected by the catalyst upstream sensor does not always match the margin of deterioration in exhaust emissions. The objective of the present invention is to detect the deterioration in the exhaust emissions caused due to variations in the air-fuel ratio among cylinders. Deterioration in exhaust emissions due to variations in the air-fuel ratio among engine cylinders is detected based on a means to calculate a specified frequency component A of the catalyst upstream sensor signal; a means to calculate a specified frequency component B of the catalyst downstream sensor signal; and the frequency component A and the frequency component B. | 10-17-2013 |
| 20130282255 | METHOD FOR DETERMINING CRANKCASE BREACH AND OIL LEVEL - Embodiments for detecting crankcase breach are provided. In one example, a method includes indicating both crankcase ventilation system degradation and a crankcase oil sump level based on a common crankcase sensor. In this way, the same sensor can provide both crankcase breach detection and oil level determination. | 10-24-2013 |
| 20130282256 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE AND METHOD FOR CONTROLLING INTERNAL COMBUSTION ENGINE - Provided is a control device for an internal combustion engine, capable of controlling acceleration-response characteristics, performing an operation at an optimal fuel-efficiency point, and learning variation factors in an internal combustion engine provided with a supercharger including a wastegate valve. A target throttle-valve upstream pressure is calculated based on a target charging efficiency and a rotation speed. An exhaust-gas flow rate is calculated based on an air/fuel ratio and an intake-airflow rate. A target compressor driving force is calculated based on a target intake-airflow rate and a target throttle-valve upstream pressure. A wastegate-valve control value is calculated from the exhaust-gas flow rate and the target compressor driving force by using the relationship in which the relation expression expressing the characteristics of the exhaust-gas flow rate and the target compressor driving force depends only on the wastegate-valve control value. | 10-24-2013 |
| 20130282257 | METHOD FOR CONTROLLING AN INTERNAL COMBUSTION ENGINE - A method for controlling an internal-combustion engine comprises steps of: determining a current value of a driving torque requested to the internal-combustion engine and a first time derivative of the current value of the driving torque; comparing the current value of the driving torque and first time derivative with first and second threshold values, respectively; determining a “sports driving” condition only if the current value of the driving torque is higher than the first threshold value and the first time derivative is higher than the second threshold value; and controlling the internal-combustion engine as a function of the “sports driving” condition. | 10-24-2013 |
| 20130282258 | METHOD FOR GENERATING DOWN FORCE BY VEHICLES OPERATED BY INTERNAL COMBUSTION ENGINES - A method which generates downforce in a vehicle powered by an internal combustion engine, based on feeding exhaust gas from the internal combustion engine into at least one area of the vehicle body suitable for increasing downforce. | 10-24-2013 |
| 20130289847 | REAL-TIME ENGINE LOAD CONTROL FOR ELECTRONICALLY CONTROLLED ENGINES - Methods and systems for real-time engine load control (RTLC) for electronically controlled engines in a transport refrigeration system (TRS) are provided. In particular, a RTLC system is provided to control an electronically controlled engine for the TRS in order to maximize temperature control of the TRS, while preventing engine shut down due to a TRS load demand that exceeds the engine's horsepower output capability. The RTLC system includes an engine control unit (ECU) connected to a TRS controller. TRS controller includes an ECU data processing component, a load control component, an ETV control component, a TRS load demand component and a temperature control and TRS protection component. | 10-31-2013 |
| 20130297176 | ENGINE OFF TIME TRACKING - An approach to tracking the engine off time of a system including an internal combustion engine. A timer apparatus may electrically couple to the engine control unit by way of a power connection that provides electrical power to the timer apparatus from the engine control unit. The timer apparatus may include a monitor module that monitors the power connection. A timer module may begin a time interval in response to the power connection transitioning from a powered state to an unpowered state. The timer module may end the time interval in response to the power connection transitioning from the unpowered state to the powered state. A communication module may communicate the time interval to the engine control unit by switching the power connection between the high state and the low state. | 11-07-2013 |
| 20130297177 | METHOD FOR DIAGNOSING FUEL TANK LEAKS, AND APPARATUS APPLYING SAME - An apparatus and a method for diagnosing the leak of a fuel tank are disclosed. The leak of the fuel tank is immediately diagnosed when a vehicle is stopped by controlling the pressure of the fuel tank during the driving of the vehicle. Even if negative pressure is not formed when the vehicle is stopped, or the diagnosis rate of the fuel tank has to be increased, the leak of the fuel tank is able to be easily diagnosed. | 11-07-2013 |
| 20130297178 | METHOD FOR DETECTING A PRESENCE OR ABSENCE OF A LEAK IN A FUEL SYSTEM - It is proposed a method for detecting a presence of a leak in a fuel system mounted on board of a vehicle. The method is such that it comprises the steps of:
| 11-07-2013 |
| 20130297179 | METHOD FOR MONITORING THE SIGNAL VALUE OF A VACUUM SENSOR - A method for monitoring the signal value of a vacuum sensor of a vacuum system in a vehicle, wherein a vacuum generator and a brake booster are provided in the vacuum system, an upper error threshold (−p_vac_errorthreshold) is calculated as a function of the operating states of the vacuum generator and of the brake booster, and wherein an error is identified when the signal value of the vacuum sensor exceeds the current value of the error threshold. | 11-07-2013 |
| 20130297180 | VEHICLE AND CONTROL METHOD FOR VEHICLE - A vehicle includes an engine, a first MG (motor generator), a second MG, a motive power split device, and an ECU. ECU temporarily determines whether or not an imbalance abnormality has occurred based on an air-fuel ratio, and when it is temporarily determined that the imbalance abnormality is present, controls the engine such that the engine is in an idle state and formally determines whether or not the imbalance abnormality has occurred based on fluctuations in engine rotation speed. During a stop at idle, ECU determines whether or not the formal determination process of the imbalance determination is ongoing and carries out pressing control to cause the first MG to generate pressing torque Tp when the formal determination process is not ongoing and does not carry out the pressing control so as not to cause the first MG to generate pressing torque Tp when the formal determination process is ongoing. | 11-07-2013 |
| 20130304352 | ON-BOARD DIAGNOSTIC METHOD AND SYSTEM FOR DETECTING MALFUNCTION CONDITIONS IN MULTIAIR ENGINE HYDRAULIC VALVE TRAIN - An on-board diagnostic system for detecting malfunction conditions in a hydraulic valve train of a MultiAir™ engine. The system comprises a plurality of pressure sensors for generating pressure signals located in a hydraulic circuit of the hydraulic valve train; and an engine control module for performing a waveform analysis of the pressure signals to detect malfunction conditions in the hydraulic valve train. The engine control module performs a frequency and/or time delay waveform analysis. | 11-14-2013 |
| 20130304353 | METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE - A method for operating an internal combustion engine is described. The internal combustion engine includes a high-pressure accumulator ( | 11-14-2013 |
| 20130304354 | Internal Combustion Engine Power Output Control in Response to an Anomalous Running Condition - A method for regulating the power delivered by a reciprocating engine includes the definition of the value of a constant time interval T | 11-14-2013 |
| 20130311061 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE - An ECU executes a program including a step of prohibiting idle priority control if automatic stop control of an engine is prohibited and a step of permitting the idle priority control if the automatic stop control of the engine is not prohibited. | 11-21-2013 |
| 20130325290 | SYSTEM AND METHOD FOR CALIBRATING A VALVE LIFT SENSOR AND EVALUATING A VALVE LIFT SENSOR AND A HYDRAULIC VALVE ACTUATOR - A system according to the principles of the present disclosure includes a valve control module and a fault detection module. The valve control module controls a valve actuator to actuate a valve of an engine from a first lift position to a second lift position that is different from the first lift position. The valve includes at least one of an intake valve and an exhaust valve. The fault detection module detects a fault in at least one of a valve lift sensor and the valve actuator based on input received from the valve lift sensor when the valve is adjusted to the first lift position and when the valve is adjusted to the second lift position. | 12-05-2013 |
| 20130325291 | SYSTEM AND METHOD FOR CONTROLLING ENGINE TORQUE TO PREVENT DRIVELINE BUMP WHEN A DRIVER DEPRESSES AN ACCELERATOR PEDAL - A system according the principles of the present disclosure includes a torque determination module and a torque limit module. The torque determination module determines a first torque that prevents an engine from stalling. The torque limit module limits engine torque based on the first torque when a driver actuates an accelerator pedal from a first position in which the accelerator pedal is not depressed to a second position in which the accelerator pedal is depressed. | 12-05-2013 |
| 20130325292 | SYSTEM FOR CONTROLLING NUMBER OF REVOLUTION FOR ENGINE OF FARM WORK VEHICLE HAVING ELECTRONIC ENGINE ATTACHED THEREON AND METHOD FOR CONTROLLING THEREOF - A system for controlling the number of revolution for an engine of a farm work vehicle having an electronic engine attached thereon is provided. The system includes a foot accelerator pedal sensor for detecting the maneuvering location of a foot accelerator pedal; a hand accelerator lever sensor for detecting the maneuvering location of a hand accelerator lever; an engine cruise control (ECC) on/off switch onto which an operation command is inputted for maintaining the number of revolution for the engine at a fixed speed; and an engine control unit (ECU) for controlling the number of revolution for the engine at a number of revolution designated according to an operation signal of the ECC on/off switch. | 12-05-2013 |
| 20130332045 | SYSTEM AND METHOD FOR DETECTING SPALL INITIATION AND DEFINING END OF LIFE IN ENGINE COMPONENTS - A system and method are provided for detecting a spall in an engine. The vehicle, for example, may include, but is not limited to an engine, an oil debris sensor coupled to the engine, a communications system, and a processor communicatively coupled to the oil debris sensor and the communications system. The processor may be configured to increment a counter when the oil debris sensor detects a particle over a predetermined size, increment the counter when a mass of a plurality of particles under the predetermined size exceeds a predetermined mass threshold, transmit, via the communications system, a first message when the counter exceeds a predetermined counter threshold, and reset the counter after predetermined amount of time. | 12-12-2013 |
| 20130332046 | ACTIVE FUNCTIONAL LIMITING OF A MICROCONTROLLER - A microcontroller for use in a control device for an internal combustion engine includes: an analysis access via which internal data in the microcontroller can be accessed from outside the microcontroller; a clock generator which generates clock timing for data communication of the microcontroller with other units. The microcontroller is configured to change over from a first clock to a second clock when there is an access to the microcontroller via the analysis access. | 12-12-2013 |
| 20130332047 | METHOD FOR OPERATING A RAIL VEHICLE - A rail vehicle has a diesel engine, an engine radiator and a cooling circuit that connects the diesel engine to the engine radiator. A cooling liquid is circulated in the cooling circuit, a cooling liquid temperature of the circulated cooling liquid and an outer air temperature of the atmospheric outer air are detected. The outer air temperature is compared with the outer air limit temperature, the cooling power of the engine radiator is set in such a way that the cooling liquid temperature corresponds to a normal operating temperature if the outer air temperature is less than the outer air limit temperature. The cooling power of the engine radiator is set such that the cooling liquid temperature corresponds to a lower operating temperature below the normal operating temperature if the outer air temperature is greater than the outer air limit temperature. | 12-12-2013 |
| 20130338900 | NOX SENSOR PLAUSIBILITY MONITOR - A vehicle includes an engine, an exhaust system, and a controller. The exhaust system includes a selective catalytic reduction (SCR) device, and a rear nitrogen oxide (NOx) sensor. The controller, which is in communication with the NOx sensor, includes a processor and tangible, non-transitory memory. A plurality of data maps and a plurality of binary maps are recorded in memory. Each data map is indexed by a different pair of exhaust system performance values. Each cell of each data map is populated by estimated downstream NOx levels. The binary maps are indexed by one of the pairs of exhaust system performance values. Each cell of each binary map is populated by a binary value, i.e., a 0 or 1. The controller uses the data maps and the binary maps to execute a control action with respect to the exhaust system, such as verifying plausibility of the rear NOx sensor. | 12-19-2013 |
| 20130338901 | CONTROL SYSTEM AND METHOD - A system is provided for controlling a powered unit having an engine configured to operate using a plurality of fuel types each in a corresponding fuel tank. The system includes a controller operable to transmit a first set of control signals including a first set of valve signals to the each fuel tank based at least in part on a first stored engine operating profile to control amounts of fuel from each fuel tank to the engine. The controller can transmit a second set of control signals including a second set of valve signals to each fuel tank based at least in part on a second stored engine operating profile to control amounts of fuel from each fuel tank to the engine. Further, the controller can switch, by transmitting either the first set of control signals or the second set of control signals, between a first operating condition associated with a first external domain and a second condition associated with a second external domain. The first operating condition is associated with the first stored engine operating profile, and the second operating condition is associated with the second stored engine operating profile. | 12-19-2013 |
| 20130338902 | METHOD AND DEVICE FOR CARRYING OUT A ZERO POINT ADAPTATION OF A LAMBDA PROBE OF AN INTERNAL COMBUSTION ENGINE - The invention relates to a method for carrying out a zero point adaptation of a lambda probe ( | 12-19-2013 |
| 20130345945 | METHOD FOR IMPLEMENTING AN ENERGY MANAGEMENT OF A VEHICLE - A method for implementing an energy management of a vehicle which is movable via an electric drive, the electric drive being able to be driven by electrical energy stored in an electrical energy store, the method including: inputting a destination; and searching for a route to the destination, on which an available electrical energy source able to be used to recharge the electrical energy store is available within a minimum distance; the minimum distance corresponding to a path along which the vehicle is minimally still able to drive using the energy stored in the electrical energy store. | 12-26-2013 |
| 20130345946 | POWER TRANSMISSION APPARATUS - Disclosed is a power transmission apparatus to detect the deterioration state of a timing belt in use, thereby making it possible to detect at a high accuracy whether or not the timing belt reaches an exchanging time. The power transmission apparatus comprises a crankshaft pulley, an intake camshaft pulley, and a timing belt wound around the crankshaft pulley and the intake camshaft pulley. The timing belt contains a stress light emission material capable of emitting light when receiving an external force. The power transmission apparatus further comprises an optical sensor and an ECU. The optical sensor is disposed to measure light emitted from the timing belt. The ECU is operative to judge whether or not the timing belt is deteriorated and to judge that the timing belt reaches the exchanging time when the timing belt is judged to be deteriorated. | 12-26-2013 |
| 20140012483 | VEHICLE IDLE-SPEED WARNING SYSTEM AND IDLE-SPEED DETECTION METHOD - A vehicle idle-speed warning system and vehicle idle-speed detection method thereof are provided. It is non-invasive, that is, there is no need to change or modify any part of the constructing parts in the engine compartment. The present invention can be adopted stand-alone, or be applied to existing popular apparatuses, such as GPS, driving recorders, smart handheld devices, and vehicle electronic equipments. With the composing elements of a motion information module, an input module, an output module, a timer module and an information processing module, the present invention can accurately determine whether the vehicle under surveillance is in idle state and for how long it is in the idle state, and send an alarm signal automatically. With the implementation of the present invention, drivers can always be alarmed with the vehicle idling situations to prevent possible dangers or coming tickets due to the violation of traffic regulations in certain countries. | 01-09-2014 |
| 20140019026 | LOW COOLANT TEMPERATURE FAULT DIAGNOSTIC SYSTEMS AND METHODS - A diagnostic system for a vehicle includes a comparison module, a disabling module, and a fault indication module. The comparison module indicates whether a temperature of engine coolant is less than a first predetermined temperature. The disabling module disables the comparison module until the temperature of the engine coolant is greater than a second predetermined temperature. The fault indication module diagnoses a fault in response to the comparison module indicating that the temperature of the engine coolant is less than the first predetermined temperature. | 01-16-2014 |
| 20140019027 | VEHICLE AND METHOD FOR CONTROLLING VEHICLE - A vehicle includes a motor generator for outputting driving force for running, a PCU for driving the motor generator, and an ECU for controlling the PCU. The ECU detects whether a driving wheel of the vehicle is passing over a bump on a road surface. In response to detecting that the vehicle is passing over a bump, the ECU controls the PCU such that an upper limit value of a running speed of the vehicle is restricted to a value lower than that when the vehicle is not passing over a bump. | 01-16-2014 |
| 20140025276 | CONTROL METHOD FOR CVVL ENGINE - A continuous variable valve lift engine may include determining whether an engine is in an idle state and an oil temperature of an engine is within a predetermined range, controlling, the engine in a predetermined control state when the engine is in the idle state and the oil temperature is within the predetermined range, and measuring, an error occurrence time when an error occurs in controlling the engine in the control state, and controlling the engine while switching the engine to a predetermined passive state when the error occurrence time is more than a preset time. | 01-23-2014 |
| 20140039776 | FULLY FLEXIBLE EXHAUST VALVE ACTUATOR CONTROL SYSTEMS AND METHODS - A system for a vehicle includes a mode control module and a valve control module. The mode control module selectively sets a desired ignition mode for an engine to one of a spark ignition (SI) mode and a homogenous charge compression ignition (HCCI) mode. Using a fully flexible valve actuator, the valve actuator module selectively adjusts closing timing of an exhaust valve in response to: the desired ignition mode transitioning from the HCCI mode to the SI mode; and the desired ignition mode transitioning from the SI mode to the HCCI mode. | 02-06-2014 |
| 20140039777 | FUEL QUALITY MONITORING SYSTEM - A fuel quality monitoring system includes a fuel composition sensor configured to provide an indication of a composition of a liquid fuel within a fuel tank, and a controller. The controller is configured to receive the indication of the monitored fuel composition from the fuel composition sensor; detect an amount of an impurity from the received indication; and compare the amount of the impurity to a threshold. If the amount of the impurity exceeds the threshold, the controller is configured to adjust an operating parameter of an engine to account for the detected impurity. When the amount of the impurity exceeds a threshold which makes engine combustion unmanageable, the fuel is restricted from entering the engine or fuel tank. | 02-06-2014 |
| 20140046571 | CYLINDER TO CYLINDER BALANCING USING FULLY FLEXIBLE VALVE ACTUATION AND CYLINDER PRESSURE FEEDBACK - A control system for an engine includes an valve actuator, a cylinder pressure module, and a valve control module. The valve actuator opens a valve of a cylinder at a first target opening timing during a first combustion cycle of the cylinder. The cylinder pressure module receives a cylinder pressure measured by a cylinder pressure sensor of the cylinder and, at a predetermined crankshaft angle after the valve opens during the first combustion cycle, sets a valve opening pressure equal to the cylinder pressure. The valve control module receives a reference cylinder pressure and generates a second target opening timing for a second combustion cycle of the cylinder based on the valve opening pressure and the reference cylinder pressure. The second combustion cycle is after the first combustion cycle. During the second combustion cycle, the valve actuator opens the valve at the second target opening timing. | 02-13-2014 |
| 20140046572 | METHOD AND SYSTEM FOR CORRECTING ENGINE TORQUE BASED ON VEHICLE LOAD - A method and a system for correcting an engine torque based on a vehicle load may include: determining whether a vehicle load determination condition is satisfied continuously for a predetermined maintaining time, determining an average engine torque for the predetermined maintaining time if the vehicle load determination condition is satisfied continuously, determining whether the average engine torque is larger than a predetermined engine torque, determining a ratio of the average engine torque and the predetermined engine torque if the average engine torque is larger than the predetermined engine torque, determining a correction factor using the ratio of the average engine torque and the predetermined engine torque, and determining the engine torque using the correction factor and a predetermined normal torque filter. | 02-13-2014 |
| 20140046573 | CONTROL DEVICE AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE - An electronic control unit for an internal combustion engine that includes an engine-driven alternator diagnoses on the bases of an air-fuel ratio correction amount in air-fuel ratio feedback control whether a rich abnormality that the air-fuel ratio of air-fuel mixture is excessively rich is occurring in a fuel injection system. When the state of charge of a battery charged with electric power generated by the alternator is higher than or equal to a predetermined value, charging control for setting a voltage generated by the alternator at a voltage lower than a normal generated voltage is executed. When the state of charge of the battery is higher than or equal to the predetermined value, charging control for charging the battery at the voltage is prohibited when a degree of mixing of fuel in lubricating oil of the internal combustion engine is higher than or equal to a predetermined degree. | 02-13-2014 |
| 20140052360 | METHODS AND SYSTEMS FOR AN ENGINE - Various injector cooling structures and related engine systems and methods are provided. In one example, an injector cooling structure includes a cooling channel defined by a cooling jacket of a turbine. A cooling bore is provided at least partially within the cooling jacket, with the cooling bore configured to receive a pintle of an injector. The cooling channel is configured to circulate coolant for cooling the injector. | 02-20-2014 |
| 20140052361 | METHOD FOR OPERATING A FUEL VAPOR RECIRCULATION SYSTEM IN A MOTOR VEHICLE - A method for operating a fuel vapor recirculation system in a motor vehicle having a fuel tank. In the method, in the operating strategy of the fuel vapor recirculation system, predictive route data of the motor vehicle are taken into account. | 02-20-2014 |
| 20140067227 | METHOD AND SYSTEM FOR IMPROVING STARTING OF A TURBOCHARGED ENGINE - A system and method for improving engine emissions is described. In one example, engine emissions may be improved via increasing rotational resistance of a turbocharger while a temperature of an exhaust after treatment device is less than a threshold temperature. The system and method may reduce an amount of time for the after treatment device to reach an operating temperature. | 03-06-2014 |
| 20140067228 | METHODS AND SYSTEM FOR ENGINE OPERATION DURING DEGRADATION OF A TWO-STAGE TURBOCHARGER - Various methods and systems are provided for engine operation with a degraded turbocharger. In one embodiment, a method for an engine comprises reducing mass flow through a first turbocharger while continuing engine operation and adjusting operation of a second turbocharger in response to detected degradation of the first turbocharger. | 03-06-2014 |
| 20140067229 | CONTROL OF VEHICLE DRIVELINE TORQUE - A method for controlling a vehicle driveline includes determining, for current vehicle operating conditions, an initial engine output torque, at which the driveline meets predetermined structural criteria, establishing a factor that varies with torque converter slip, determining an engine torque limit by multiplying the factor corresponding to a current torque converter slip by the initial engine output torque, and limiting torque produced by an engine connected to the driveline to the engine torque limit. | 03-06-2014 |
| 20140067230 | TWO-STAGE TURBOCHARGER CONTROL SYSTEMS AND METHODS - A turbocharger control method includes: determining a first desired pressure ratio across a first compressor of a first turbocharger; based on the first desired pressure ratio, determining a first desired duty cycle for a first wastegate of the first turbocharger; determining a second desired pressure ratio across a second compressor of a second turbocharger based on the first desired pressure ratio; based on the second desired pressure ratio, determining a second desired duty cycle for a second wastegate of the second turbocharger; generating a first target duty cycle for the first wastegate based on the first desired duty cycle; opening the first wastegate based on the first target duty cycle; generating a second target duty cycle for the second wastegate based on the second desired duty cycle; and opening the second wastegate based on the second target duty cycle. | 03-06-2014 |
| 20140067231 | SUPPLEMENTING ENGINE CONTROL VIA A DIAGNOSTICS PORT - A secondary controller for controlling the performance of a moving automobile is described. The secondary controller can be configured to communicate with one or more vehicle controllers, such as the engine control unit, while the automobile is being driven. The secondary controller can send control commands to the vehicle controller to effect the operation of the vehicle's power train. The secondary controller can receive power train related data from the engine control unit and based upon the received power train data determine when to send the control commands. In one embodiment, the secondary controller communicates with the vehicle controller via the vehicle's diagnostic port, such as an OBD-II port. In another embodiment, the secondary controller can be configured to control the operational displacement of a variable displacement engine while the vehicle is driven. | 03-06-2014 |
| 20140074373 | COORDINATED ENGINE TORQUE CONTROL - A control system for an engine includes a target air per cylinder (APC) module, a target area module, and a phaser scheduling module. The target APC module determines a target APC based on a target spark timing, a target intake cam phaser angle, and a target exhaust cam phaser angle. The target area module determines a target opening of a throttle valve of the engine based on the target spark timing, the target intake cam phaser angle, and the target exhaust cam phaser angle. The target area module controls the throttle valve based on the target opening. The phaser scheduling module determines the target intake and exhaust cam phaser angles based on the target APC. The phaser scheduling module controls intake and exhaust cam phasers of the engine based on the target intake and exhaust cam phaser angles, respectively. | 03-13-2014 |
| 20140081554 | Diagnostic device and method for ascertaining an effect of an additive addition on a drive train of a motor vehicle - A diagnostic device for ascertaining an effect of an additive addition on a motor vehicle drive train, having a control device to control an internal combustion engine thereof during the additive addition, based on a control unit parameter(s); a detection device to detect at least one process parameter of the additive addition and at least one operating parameter of the drive train during the additive addition; a comparison device coupled to the detection device to compare the at least one detected process parameter and the at least one detected operating parameter to parameter values stored in a memory device and based thereon to ascertain at least one comparison result; and an evaluation device, coupled to the comparison and control devices, to ascertain the effect of the additive addition on the drive train based on the at least one ascertained comparison result and the at least one control unit parameter. | 03-20-2014 |
| 20140081555 | Agricultural working machine - An agricultural working system includes a self-propelled agricultural working machine equipped with an attachment in the form of a soil-management device such as a plow, a cultivator, or a harrow, a drive unit that acts as a drive train on land wheels, a control arrangement and a user interface and display unit associated with the control arrangement ( | 03-20-2014 |
| 20140095050 | Hybrid Drive Train, Hybrid Vehicle, and Operating Method - A method for operating a hybrid drive train involves operating an internal combustion engine using a low-NOx operating method in a range of low and average rotational speeds and/or loads, and operating the internal combustion engine using a spark ignition operating method in a range of higher rotational speeds and/or loads. | 04-03-2014 |
| 20140100757 | SYSTEM AND METHOD FOR CONTROLLING LABOR IN A MODEL VEHICLE - A system and method is provided for using load data to control a feature in a model vehicle. In one embodiment of the present invention, a model vehicle includes a controller in communication with a remote control, a motor module, a smoke module, a sound module, and a memory device. While the model vehicle is operated under test conditions, calibration data is collected and stored in the memory device. While the model vehicle is operated under normal conditions, the controller receives a speed step instruction from the remote control and instructs the motor module to operate the motor at a corresponding speed. The data used to propel the model vehicle at the corresponding speed it then provided to the controller, where it is compared to the calibration data to identify a delta therebetween. The delta is then used by the controller to control, for example, the smoke and sound modules. | 04-10-2014 |
| 20140107906 | FUEL SYSTEM DEGRADATION TEST USING TWO FUEL TANKS - Embodiments for monitoring fuel system degradation are provided. In one example, a method for a vehicle comprises evacuating fuel from a first fuel tank to a second fuel tank, and indicating fuel system degradation in response to a change in fuel system pressure following the evacuation of fuel. In this way, fuel system degradation may be indicated without use of a separate pressure building device. | 04-17-2014 |
| 20140107907 | VEHICLE CONTROL APPARATUS - A vehicle is equipped with an auxiliary that is driven by the output of an internal combustion engine and which is capable of obtaining drive force by transmitting the output of the internal combustion engine to driving wheels. If an air conditioning compressor is being driven during engine idling of the internal combustion engine, an electronic control apparatus implements output-increase control for increasing the output of the internal combustion engine in comparison to when the air conditioning compressor is not being driven. If the force applied to the accelerator pedal (Pac) is equal to or more than a prescribed value (Pth), output-reduction control for reducing the output of the internal combustion engine by initiating engine idling of the internal combustion engine, and prohibiting the drive of the air conditioning compressor, is implemented. | 04-17-2014 |
| 20140114550 | VEHICLE METHOD FOR BAROMETRIC PRESSURE IDENTIFICATION - A vehicle method for barometric pressure identification, including adjusting engine operation responsive to barometric pressure, the barometric pressure based on a pressure change at a sector of the fuel system when the sector is sealed with the vehicle travelling. The method may utilize a pressure change at the sealed sector of the fuel system, such as a sealed fuel tank, to identify barometric pressure, even with the engine off for extended durations of vehicle travel. As such, in a hybrid-vehicle application, including during hill descents in which the engine is maintained off, barometric pressure can still be updated. | 04-24-2014 |
| 20140114551 | LEAK AND BLOCKAGE DIAGNOSTIC SYSTEMS AND METHODS - A diagnostic system for a vehicle is disclosed. A first difference module generates a first difference based on a first pressure measured at a first secondary air injection (SAI) valve and a previous value of the first pressure. A first summer module generates a first accumulated difference based on a sum of values of the first difference generated during a predetermined period. A second difference module generates a second difference based on a second pressure measured at a second SAI valve and a previous value of the second pressure. A second summer module generates a second accumulated difference based on a sum of values of the second difference generated during the predetermined period. A fault indication module selectively indicates that a fault is present downstream of one of the first and second SAI valves based on the first and second accumulated differences. | 04-24-2014 |
| 20140121939 | Boost Power Supply Sequencing - A boost power supply may be constructed of a number of smaller switching power supplies, each switching power supply providing a respective portion of a combined output current provided by the boost power supply to a load. A different respective control signal may be provided to each switching power supply to regulate the respective portion of the combined output current provided by the switching power supply. Each different respective control signal may be provided to the corresponding switching power supply out of phase with respect to each other different respective control signal to prevent the combined output current from exceeding a specified threshold current value. | 05-01-2014 |
| 20140129113 | HARDWARE AND CONTROLS FOR PERSONAL VEHICLE RENTAL - In a first illustrative embodiment, a processor operably programmed and configured to receive input defining one or more vehicle parameters to monitor and control during a vehicle rental. The processor may monitor and control the vehicle parameters during a vehicle rental period starting when an authorized user keylessly activates a vehicle during a defined start time. The processor may control driver behavior by limiting vehicle performance based on a predefined threshold of one or more vehicle parameters. The monitoring and control may continue until the rental period has expired or when the vehicle is returned to a predetermined geographic area designated by the vehicle owner. The processor may initiate wireless communication of the vehicle parameters to a vehicle rental administrative system through a cellular telephone located in proximity to the vehicle. | 05-08-2014 |
| 20140129114 | WHEEL LOADER - Predetermined torque characteristics are obtained by multiplying by a predetermined ratio that is less than 100%, the upper value of engine output torque from the engine output torque line, for at least part of the range of engine rotation speed. Torque upper value information defines the upper value of engine output torque that changes in conformance with vehicle speed and tractive farce. When predetermined conditions for determination are satisfied, an engine output torque control part controls engine output torque based on torque upper value information. The predetermined conditions for determination at the least include that a travel condition is forward travel, that a work condition is laden condition and that a raise operation is being performed by the working machine. When the predetermined conditions for determination are not satisfied the engine output torque control part controls engine output torque based on predetermined torque characteristics. | 05-08-2014 |
| 20140136074 | ADAPTIVE ENGINE SPEED CONTROL TO PREVENT ENGINE FROM ROLL AND STALL - An adaptive engine speed control system includes an idle condition module that determines whether the engine is idling and determines whether an actual engine speed is different than a desired engine speed. The desired engine speed corresponds to a commanded engine speed. A torque reserve determination module adjusts at least one of a torque reserve and the desired engine speed based on the determination of whether the engine is idling and the determination that the actual engine speed differs from the desired engine speed. The torque reserve corresponds to a quantity of torque reserved to respond to an anticipated future load on the engine. | 05-15-2014 |
| 20140136075 | ENERGY CONTROL SYSTEMS AND METHODS FOR A POWERTRAIN OF A VEHICLE - A system includes a mode module and an energy module. The mode module generates a mode signal based on a temperature of an engine and at least one of a deceleration signal and a regenerative braking signal. The energy module, based on the mode signal, increases cooling of a coolant of the engine during at least one of a deceleration event of a vehicle and a regenerative braking event. The energy module, while increasing the cooling of the coolant, supplies an overvoltage to a cooling pump of the engine. | 05-15-2014 |
| 20140136076 | TWO-WHEELED VEHICLE - A two-wheeled vehicle is provided including a frame, front and rear ground-engaging members each supporting the frame, a straddle-type seat, a handlebar for steering the vehicle, at least one light device configured to operate in a hazard mode, an engine supported by the frame and operably coupled to the ground-engaging members, a tilt sensor, and a vehicle control unit in communication with the tilt sensor. The vehicle control unit is operative to detect a tilt angle of the vehicle based on output from the tilt sensor. The vehicle control unit is operative to determine a tip-over condition of the vehicle based on the detected tilt angle exceeding a threshold tilt angle. The vehicle control unit activates the hazard mode of the at least one light in response to the determination of the tip-over condition. | 05-15-2014 |
| 20140136077 | METHOD FOR OPERATING AN ELECTRIC FAN MOTOR - A method for actuating an electric fan motor for an internal combustion engine of a motor vehicle, comprising the steps:—determining an operating duration during which the fan motor is operated below a rotational speed which is critical with regard to pasting;—wherein if the operating duration exceeds a duration which is critical with regard to pasting, the fan motor is operated for a defined time duration at a washing rotational speed which is higher than the rotational speed which is critical with regard to pasting. | 05-15-2014 |
| 20140136078 | METHOD AND DEVICE FOR OPERATING AN INTERNAL COMBUSTION ENGINE - The invention relates to a method for operating a drive device ( | 05-15-2014 |
| 20140149016 | Conduit Degradation Detection System and Method - A flexible conduit may include a first layer defining an inner surface, a second layer defining an outer surface, and a metal reinforcement element disposed between the first and second layers, the metal reinforcement element having associated therewith a first physical property. One or more sensors is coupled to the metal reinforcement element and configured to detect the first physical property and generate a signal indicative of the first physical property. A controller is operably coupled to the sensor and configured to receive the signal and display physical property data, thereby to determine potential degradation of the conduit. | 05-29-2014 |
| 20140149017 | SYSTEM AND METHOD FOR IMPROVING VEHICLE PERFORMANCE - Methods and systems for adjusting vehicle operation in response to vehicle weight are described. In one example, an adaptive driver demand correction is adjusted in response to vehicle weight. The methods and systems may provide for more consistent powertrain response and lower vehicle emissions at lower vehicle weights. | 05-29-2014 |
| 20140149018 | ENGINE WITH LASER IGNITION AND MEASUREMENT - Systems and methods for increasing an efficiency of engine starting of a hybrid vehicle are disclosed. In one example approach, a method comprises operating a laser ignition device in an engine cylinder and identifying engine position in response thereto; and igniting an air and fuel mixture in the cylinder with the laser ignition device. | 05-29-2014 |
| 20140156166 | OPERATIONS SUPPORT SYSTEMS AND METHODS WITH ACOUSTICS EVALUATION AND CONTROL - An operations support system is provided for an engine. The system includes a diagnostics module configured to receive engine data from the engine and to generate diagnostics data based on the engine data using a thermodynamic model, the thermodynamic model being based on component maps associated with the engine; an acoustics module coupled to the diagnostics module and comprising an acoustics calculation unit, the acoustics calculation unit configured to receive the diagnostics data and to determine an acoustics level for the engine based on the diagnostics data; and a graphical user interface coupled to the acoustics module and configured to display the acoustics level. | 06-05-2014 |
| 20140156167 | SIMPLIFIED METHOD TO INJECT ETHANOL OR OTHER SOLUTION ADDITIVES INTO DIESEL ENGINES EQUIPPED WITH A DIGITAL DATA BUS - A system for the delivery of ethanol or other solution additives to the intake manifold of compression ignition diesel engines comprising an electronic control module containing a microcomputer capable of monitoring SAE J1939 serial data, receive a signal from an additive monitoring sensor and have outputs to turn on a pump relay, indicator lamp and from 1 to n pulse width modulated electrical fluid injectors. | 06-05-2014 |
| 20140156168 | METHOD FOR CONTROLLING RAIL PRESSURE - Proposed is a method for closed loop rail pressure control of a V-type internal combustion engine with an asymmetrical firing order, wherein an actual rail pressure is computed from the measured rail pressure; a system deviation is determined by means of the actual rail pressure and a set rail pressure; and wherein a correcting variable for actuating a pressure actuating element, in particular a suction throttle, for regulating the rail pressure is computed. The invention is characterized by the fact that the actual rail pressure is computed from the measured rail pressure by means of an averaging filter in that below a limit speed (nLi) the rail pressure is averaged over a constant time and in that above the limit speed (nLi) the rail pressure is averaged over a working cycle of the internal combustion engine. | 06-05-2014 |
| 20140172268 | STEPPED IDLE RETURN FOR MULTIAIR EQUIPPED ENGINES WITH HIGH AERATION - A method and system for controlling the engine during a return to idle maneuver when the engine's oil is highly aerated. The system and method will implement a stepped return to idle maneuver when the engine oil has a predetermined amount of aeration. The predetermined amount of aeration is an amount that could cause an engine to stall due to valve lift loss if the engine speed were reduced to the idle speed in the conventional manner. | 06-19-2014 |
| 20140172269 | Dual-Mode Cryogenic LNG Piston Pump Control Strategy - A control strategy for a cryogenic LNG piston pump and method of operation same are disclosed. The piston pump may employ a bifurcated control strategy based on the operating speed of an engine to which the pump is providing fuel. More specifically, at engine idle speed, the control strategy may employ a first control strategy split wherein a compression stage and a suction stage of the pump are conducted at a first ratio. At engine rated speed, the control strategy may employ a second split wherein the compression stage and suction stage are conducted at a second ration, wherein the second ratio is different from the first ratio. | 06-19-2014 |
| 20140172270 | METHOD TO REDUCE FUEL CONSUMPTION WHILE OPERATING A POWER TAKE OFF - A system and method for reducing fuel consumption of an engine while operating a power take off. Whenever practical, the system and method will operate the engine with fewer than all cylinders when operating a power take off. Operating the engine with fewer than all cylinders will reduce fuel consumption and improve fuel economy. | 06-19-2014 |
| 20140172271 | METHOD OF CONTROLLING ELECTRIC CONTINUOUS VARIABLE VALVE TIMING APPARATUS - A method of controlling an electric continuous variable valve timing apparatus improves starting performance of an engine by a simplified phase control for the camshaft. The method, in which intake and exhaust timing of an engine is changed in accordance with a phase of the camshaft, may include: determining whether starting off of the engine is required during driving; recognizing a target phase of the camshaft for next starting of the engine; controlling the phase of the camshaft so that the intake timing of the engine is advanced in accordance with the target phase; and ending the phase control of the camshaft in accordance with a state of the engine or the camshaft. | 06-19-2014 |
| 20140172272 | INTERNAL COMBUSTION ENGINE CONTROL FOR IMPROVED FUEL EFFICIENCY - A variety of methods and arrangements for improving the fuel efficiency of internal combustion engines based on skip fire operation of the engine are described. | 06-19-2014 |
| 20140180558 | VEHICLE AND CONTROL METHOD FOR THE VEHICLE - A vehicle includes an internal combustion engine that generates power for rotating drive wheels, a differential mechanism that is provided between the engine and the drive wheels, and has at least three rotary elements including a first rotary element coupled to the engine, and a second rotary element coupled to the drive wheels, and a controller configured to control the engine. The controller is configured to determine whether to perform correction to increase the power generated by the engine, or perform correction to reduce the power, depending on a rotational speed of the second rotary element, when it changes a rotational speed of the engine. | 06-26-2014 |
| 20140180559 | ENGINE CONTROL SYSTEM AND METHOD BASED ON FUEL QUALITY - An engine control system and method includes sensing the quality of fuel in the engine relative to emissions, by for example sensing the level of an emission related constituent, such as sulfur. A fuel quality sensor detects a fuel quality of a fuel such as the sulfur level in the fuel, and provides a signal in response to the fuel quality. The engine control system also includes a navigation device to determine whether an engine is located in a regulated or non-regulated region. The engine control system receives the signal and controls engine operation by, for example, enabling or disabling one or more engine algorithms to improve performance of the engine based on the fuel quality signal or, in other embodiments, the combination of the fuel quality and the location of the engine. | 06-26-2014 |
| 20140188368 | SYSTEM FOR CONTROLLING AN AFTER-TREATMENT SYSTEM (ATS) TEMPERATURE OF A COMBUSTION ENGINE - System for controlling an after-treatment system (ATS) temperature of a combustion engine, comprising means for carrying out an after-treatment warm up procedure, the system providing the interruption/inhibition of such warm-up means after a time period from the warm up procedure starting. | 07-03-2014 |
| 20140188369 | CONTROL APPARATUS OF AN IGNITION SPARK PLUG AND ENGINE ELECTRONIC IGNITION SYSTEM HAVING OPEN SECONDARY PROTECTION - A control apparatus of an engine ignition spark plug includes a switch having a control terminal and an output terminal connected to an external transformer. The switch assumes a closed state for supplying energy to the transformer, and an open state for the transformer to supply energy to the spark plug. A measuring module measures a time duration where, in the open state, a voltage at the output terminal of the switch decreases from a first value to a second value. A detecting module detects an operating condition of the spark plug based on comparing the measured time duration to a time threshold, and to generate a detecting signal based on the comparing. | 07-03-2014 |
| 20140195135 | VEHICLE DRIVE CONTROL DEVICE - A vehicle drive control device performs acceleration/deceleration running by alternately repeating acceleration running and deceleration running, wherein it compares between an efficiency of the motor at a first operation point determined by a rotation speed and a torque of a motor and an efficiency of the motor at a second operation point for outputting a higher torque than the first operation point, and if a difference between the efficiencies is greater than a determination value, the acceleration running at the second operation point and the deceleration running being repeated, the second operation point being set a maximum efficiency line of the motor with the rotation speed and the torque of the motor as parameters to perform the acceleration running, and if acceleration during the acceleration running becomes larger than an acceleration limit value, a rotating machine acting at least as an electric generator generating electricity to charge a battery. | 07-10-2014 |
| 20140195136 | CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE - The invention relates to a control device of an engine, calculating a control signal (Svb) to be supplied to a controlled object ( | 07-10-2014 |
| 20140200791 | CONTROL APPARATUS OF INTERNAL COMBUSTION ENGINE - In a turbocharged internal combustion engine, an amount of cylinder suction air is calculated with sufficiently high accuracy to suitably control the internal combustion engine in consideration of influences of an exhaust pressure on a volumetric efficiency equivalent value without requiring a huge memory capacity, in fewer adaptive man hours, and under a low operation load. A correction calculation parameter is calculated using an exhaust pressure, an exhaust pressure for pre-correction volumetric efficiency equivalent value, and an intake manifold pressure, and a post-corrected volumetric efficiency equivalent value is calculated by correcting a pre-correction volumetric efficiency equivalent value using the correction calculation parameter. An amount of air entering a cylinder from an intake manifold is calculated on the basis of the post-correction volumetric efficiency equivalent value. | 07-17-2014 |
| 20140200792 | CONTROL APPARATUS FOR VEHICLES - A control apparatus for controlling a vehicle includes an actuator ECU. The actuator ECU acquires a crankshaft angle (stopped crankshaft angle) at a time that an engine stops operating. The actuator ECU identifies a crankshaft angle depending on an edge of a first TDC pulse of a TDC pulse signal immediately after the engine has been started or restarted. Then, using the identified crankshaft angle as a reference, the actuator ECU corrects the stopped crankshaft angle. | 07-17-2014 |
| 20140207359 | CYLINDER CONTROL SYSTEMS AND METHODS FOR DISCOURAGING RESONANT FREQUENCY OPERATION - A system includes a command generator module, a compensation module, and a fraction module. The command generator module generates a first command value and one of activates and deactivates intake and exhaust valves of a first cylinder of an engine based on the first command value. The compensation module generates a compensation value for a second cylinder of the engine based on a response of a model to the first command value. The fraction module determines a target value based on a torque request, the target value corresponding to a fraction of a total number of cylinders of the engine to be activated. The command generator module further: generates a second command value based on the compensation value and a difference between the target value and the first command value; and one of activates and deactivates intake and exhaust valves of the second cylinder based on the second command value. | 07-24-2014 |
| 20140214304 | METHODS FOR INTENTIONAL TURBO SURGING FOR ENHANCED SYSTEM CONTROL AND PROTECTIONS - Various methods and systems are provided for determining a surge level of a compressor. In one embodiment, a method for an engine comprises updating a stored estimate of a surge level of a compressor responsive to detection of a surge event. | 07-31-2014 |
| 20140214305 | METHOD AND APPARATUS FOR CONTROLLING AN ENGINE TO ACHIEVE A BOOSTED PERFORMANCE FOR A LIMITED TIME - A method is provided for controlling an engine to allow a driver to obtain a working range of the engine in excess a base working range thereof. The method includes establishing a base working range, which limits are defined by a base torque versus engine speed curve, establishing an excess working range, which limits are defined between the base torque versus engine speed curve and an excess torque versus engine speed curve, the excess torque versus engine speed curve displaying a higher maximum torque level and/or a higher end engine speed as compared to the base torque versus engine speed curve, establishing an excess availability limit, defining the maximum duration or maximum distance of access to the excess working range per unit time or unit distance, calculating a cumulative consumed excess value per unit time or unit distance by summating any time periods or distances during which the excess working range is accessed within the unit time or unit distance, and controlling the engine in response to driver input to allow access to the excess working range only when the cumulative consumed excess value is less than the excess availability limit. | 07-31-2014 |
| 20140222311 | VARIABLE CYLINDER ENGINE - A variable cylinder engine is provided. The engine includes an engine body having a plurality of cylinders, a cooling mechanism for cooling the engine body by using a coolant, and a controller for controlling a temperature of the coolant and changing the number of active cylinders according to an operating state of the engine. The controller reduces the number of active cylinders in a reduced-cylinder operating range set within a partial engine load range, and expands the reduced-cylinder operating range to a higher engine load side as the coolant temperature becomes lower. | 08-07-2014 |
| 20140222312 | Method for Analyzing the Efficiency of the High-Pressure Pump of a Fuel Injection System - A method for analyzing the efficiency of a high-pressure pump of a fuel injection system includes analyzing the efficiency of the high-pressure pump with respect to individual pumping strokes of the high-pressure pump, detecting and analyzing the pressure build-up and the pressure drop for the individual pumping strokes, and drawing conclusions about the state of individual components of the high-pressure pump from the analysis of the pressure build-up or the pressure drop. | 08-07-2014 |
| 20140236454 | Control Device for a Motor Vehicle and Method for Operating the Control Device for a Motor Vehicle - A control device for a motor vehicle, with which a control input carried out by at least one finger can be detected, includes a transmitter unit to transmit a signal to the finger, a receiving unit to receive a signal reflected from the finger, a control surface element, which is able to be spatially positioned in relation to the finger to carry out an operational entry, and an evaluation unit to determine a spatial position of the finger in relation to the control surface element using the received signal. | 08-21-2014 |
| 20140236455 | CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - A control apparatus for the internal combustion engine has a multicore processor mounted with a plurality of the cores, calculates various tasks regarding an operation of the internal combustion engine, and distributes the tasks to the plurality of the cores respectively to perform a calculation, and a controller that makes the number of cores for use in the calculation smaller while fuel cutoff is carried out than before the fuel cutoff is carried out. The controller selects, as a designated core, at least one of the cores for use in a specific calculation associated with combustion of the internal combustion engine. The controller stops the designated core from being used while fuel cutoff is carried out. As the specific calculation associated with combustion, for example, it is possible to mention a combustion forecasting calculation of a cylinder model, a temperature forecasting calculation of a catalyst temperature estimation model, and a fuel adhesion amount forecasting calculation of a fuel adhesion model. | 08-21-2014 |
| 20140244135 | DISTINGUISHING BETWEEN EGR VALVE AND OXYGEN SENSOR DEGRADATION - A diagnostic method for an engine having a valve for controlling dilution of intake air. The method comprises, during engine fueling, indicating a degradation of the valve when the valve is commanded closed but sensor output corresponds to an oxygen level below that of air. The method further comprises, absent engine fueling, indicating degradation of the sensor when the valve is commanded closed but the sensor output corresponds to an oxygen level below that of air. | 08-28-2014 |
| 20140249732 | METHODS AND SYSTEMS FOR AN ENGINE - Various systems and methods for an engine system which includes a throttle turbine generator having a turbine which drives an auxiliary generator and disposed in a throttle bypass are described. In some examples, a throttle bypass valve is controlled to adjust airflow through the throttle bypass responsive to airflow to cylinders of the engine. In other examples, an operating parameter such as throttle position is controlled based on transient operating conditions of the engine. In still other examples, charging of a battery is coordinated between the auxiliary generator and a primary generator. | 09-04-2014 |
| 20140257668 | ENGINE-OFF REFUELING DETECTION METHOD - A method for an engine fuel system comprises, during an engine-off condition, indicating a refueling event based on a rate of change in fuel tank pressure, and aborting a diagnostic leak detection test based on the refueling event indication. Indicating a refueling event further comprises indicating a refueling event based on the rate of change in fuel tank pressure being greater than a first threshold when the canister vent valve is open, and greater than a second threshold when the canister vent valve is closed, the first threshold being less than the second threshold. | 09-11-2014 |
| 20140257669 | SYSTEM AND METHOD OF VEHICLE TRANSIENT TORQUE MANAGEMENT - A system for establishing a torque limit for a vehicle is provided. The system uses impending terrain and speed conditions to determine an optimum torque, which improves engine efficiency and reduces fuel consumption. | 09-11-2014 |
| 20140257670 | DETECTING DEVICE AND DETECTING METHOD - A detecting device ( | 09-11-2014 |
| 20140257671 | Method Of Controlling A Power Train Of A Vehicle And Device For Carrying Out Said Method - The present invention relates to a method and device for controlling a vehicle, more particularly, the power train of a compacting machine for earth moving operations, comprising a hydraulic travel pump and a hydraulic travel motor. Control is effected according to a specified control profile when a specified driving operation is to be carried out in that an adjustment of the travel pump is carried out which is independent of the rotational speed of the internal combustion engine. This makes it possible to retain, on the one hand, the rotational speed of the internal combustion engine in the case of abrupt stops of movement or changes in the direction of movement and, on the other hand, to adapt the rotational speed of the engine in the case of somewhat longer uninterrupted pauses between two changes in the traveling behavior, wherein comparatively large fluctuations in the rotational speed are avoided. | 09-11-2014 |
| 20140277994 | SLIDING MODE CONTROLLER FOR ENGINE THERMAL MANAGEMENT - A sliding mode controller for one or more valves in an engine induction or exhaust system provides improved thermal control over an engine. Double discrete variable rate filters generate position and velocity profiles for various intake and exhaust valves. Alternatively, double discrete fixed rate filters may be used to generate position and velocity profiles. A control law includes a Signum function and is modified with a “boundary layer” to control valve chattering. Alternatively, gain scheduling may be used to remove valve chattering. A low pass filter on the controller output can be used to remove chattering phenomena. | 09-18-2014 |
| 20140277995 | Hierarchical Vehicle De-Rate and Notification System - An on-board vehicle computer system is configured to detect a condition of a vehicle; identify a de-rate cause for the vehicle in a hierarchical set of de-rate causes, wherein the de-rate cause is associated with the condition; select a de-rate type from a set of possible de-rate types based at least in part on the de-rate cause; select an initial de-rate level from a set of possible de-rate levels based at least in part on the de-rate cause; present an operator notification associated with the de-rate cause via an operator interface; activate a de-rate for the vehicle according to the de-rate type and the initial de-rate level; detect a change in the vehicle condition; and update the initial de-rate level based at least in part on the change in the vehicle condition. | 09-18-2014 |
| 20140277996 | SYSTEM AND METHOD FOR CONTROLLING AIRFLOW THROUGH A VENTILATION SYSTEM OF AN ENGINE WHEN CYLINDERS OF THE ENGINE ARE DEACTIVATED - A system according to the principles of the present disclosure includes an airflow determination module and a cylinder activation module. The airflow determination module determines an amount of airflow through a ventilation system for a crankcase of an engine. The cylinder activation module, when a cylinder of the engine is deactivated while the engine is running, selectively activates the cylinder based on the amount of airflow through the ventilation system. | 09-18-2014 |
| 20140277997 | Electronic Detection of Engine Malfunction - Technologies for detecting malfunctioning of an engine are disclosed. The technologies include filtering an operation signal of the engine, converting the filtered signal to a direct current signal, and determining whether the engine is malfunctioning based on an amplitude of the direct current signal. The operation signal may be filtered using a band-pass filter. | 09-18-2014 |
| 20140277998 | HYBRID VEHICLE EXHAUST DIAGNOSTICS - Methods are provided for performing diagnostic routines in a hybrid vehicle. In one example approach, a method for operating a hybrid vehicle comprises inhibiting engine shutdown and enabling deceleration fuel shut off to perform a monitoring test while a vehicle speed is above a threshold speed. | 09-18-2014 |
| 20140277999 | CAM PHASER CONTROL - Arrangements for stabilizing valve timing adjustment mechanisms such as cam phasers during operation of an engine are described. The described approaches are particularly well suited for use during skip fire control, although they may be used advantageously in other applications as well. In general, the phase of an adjustable phase camshaft is controlled relative to a crankshaft of an engine. In one aspect, at least one of (i) firing events in a skip fire firing sequence, and (ii) dynamically determined valve actuation events are used in the control of the camshaft phase during operation of the engine. In some embodiments, hydraulic pressure within a cam phaser is varied in a manner that maintains the phase of the camshaft substantially more stable through transitory variations in torque applied to the camshaft by the actuation of the valves than would occur without the variations in hydraulic pressure. | 09-18-2014 |
| 20140278000 | VEHICLE CONTROL SYSTEM - A vehicle control system includes: an engine; a power transmission device that transmits power from the engine to drive wheels; a mechanical pump that supplies oil for operating the power transmission device to the power transmission device by driving of the engine; and an electric pump that supplies the oil to the power transmission device by driving of a motor. The vehicle control system is capable of executing stopped economy running control for stopping the engine when a vehicle is stopped, and travel economy running control for stopping the engine while the vehicle is traveling. During the execution of the stopped economy running control, learning control is executed whereby a control value for controlling the oil pressure is updated such that the actual oil pressure generated by the electric pump is converged to a target value. During the execution of the travel economy running control the learning control is prohibited. | 09-18-2014 |
| 20140288800 | ENGINE NON-STOP WARNING APPARATUS - An engine non-stop warning apparatus for a vehicle provided with an engine stop control section configured to stop an engine on condition that a stop switch is continuously pressed for a specified time duration during operation of the engine includes an engine stop determination section configured to determine whether or not the engine is going to stop or stopping by the lapse of the specified time duration after the stop switch is pressed during the operation of the engine, and an engine non-stop warning section configured to warn a vehicle user that the engine is not stopping in a case the engine stop determination section determines that the engine is not going to stop or stopping by the lapse of the specified time duration after the stop switch is pressed during the operation of the engine. | 09-25-2014 |
| 20140288801 | CONTROL DEVICE AND CONTROL METHOD FOR VEHICLE - A vehicle includes: an exhaust gas recirculation system in an internal combustion engine for recirculating part of exhaust gas to an intake passage of the internal combustion engine via a recirculation valve; and a cooling device for cooling recirculated gas, recirculated by the exhaust gas recirculation system, with refrigerant. An engine ECU informs a failure of the cooling device with a display unit when a cooling efficiency for cooling the recirculated gas, determined on the basis of a state value of the recirculated gas, becomes lower than a first determination value. The engine ECU additionally controls an opening degree of the recirculation valve such that an amount of the recirculated gas is reduced when the cooling efficiency for cooling the recirculated gas, determined on the basis of the state value of the recirculated gas, becomes lower than a second determination value lower than the first determination value. | 09-25-2014 |
| 20140297157 | Method and Apparatus for Engine Analysis and Remote Engine Analysis - Methods of analyzing a cyclo-mechanical engine include detecting an engine signal associated with a plurality of cycles of the cyclo-mechanical engine, comparing a first sample of the engine signal with a second sample of the engine signal to determine a cycle length of the cyclo-mechanical engine, and analyzing the engine signal to detect a variation in the cycle length of the cyclo-mechanical engine over time based on the determined cycle length. Related systems and computer program products are also disclosed. | 10-02-2014 |
| 20140297158 | ENGINE CONTROL DEVICE FOR A WORK VEHICLE - An engine control device for a vehicle is provided, which comprises a control unit configured to be connected to the engine of a vehicle and to control the switching of the engine from a first idle rotation speed to a second idle rotation speed in which the number of engine revolutions is lower compared to the number of revolutions of the first idle speed. The control device also includes a first sensor, configured to be connected to the engine and to instantaneously sense and transmit to the control unit the number of revolutions completed by the engine in the unit of time. The control device further includes a second sensor for detecting the presence of an operator at the vehicle controls, and the second sensor is configured to transmit to the control unit a signal indicating the presence of an operator at the vehicle controls. The control unit is configured to actuate a decrease in the engine rotation speed from the first idle speed toward the second idle speed if the signal transmitted by the second sensor indicates the operator's absence and the signal transmitted by the first sensor indicates that the engine is running at the first idle speed. | 10-02-2014 |
| 20140303872 | METHOD AND SYSTEM FOR PROVIDING VACUUM FOR A VEHICLE - A method and system for improving vacuum generation for a vehicle is described. In one example, engine speed and alternator load are adjusted in an alternating manner to increase and amount of vacuum provide by an engine to a vacuum reservoir. | 10-09-2014 |
| 20140316672 | HUMIDITY SENSOR AND ENGINE SYSTEM - Methods and systems are provided for an engine coupled temperature-based humidity sensor. Degradation of the humidity sensor may be determined while flowing gasses into an engine intake air downstream of a humidity sensor and upstream of a compressor, indicating humidity sensor degradation when relative humidity readings change by less than a threshold while temperature at the sensor changes greater than a second threshold. | 10-23-2014 |
| 20140316673 | SYSTEM AND METHOD FOR PROVIDING SPARK TO AN ENGINE - An approach for supplying spark to engine cylinders is disclosed. In one example, the approach increases ignition energy supplied to spark plugs of deactivated cylinders to reduce the possibility of spark plug fouling for the deactivated cylinders. | 10-23-2014 |
| 20140316674 | System And Method For Integrally Controlling A Transmitter Via A Vehicular Operation - A vehicle device and method for controlling facility exhaust ventilation systems in facilities related to first responder and other commercial vehicles, wherein the device and method automatically reengages operation of the facility exhaust ventilation system, based on vehicle status inputs. | 10-23-2014 |
| 20140324319 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - A power output of engine is restricted to become a power output which is calculated by using a first restriction accelerator operation degree when a brake operation with a brake pedal is detected in addition to an accelerator pedal operation with an accelerator pedal; and the power output of the engine is restricted to become a power output which is calculated by using a second restriction accelerator operation degree in place of the first restriction accelerator operation degree when an amount of change of the accelerator operation degree per unit time becomes larger than a preset certain value in a direction of depression of the accelerator pedal under a condition where the power output of the engine is restricted by using the first restriction accelerator operation degree, the second restriction accelerator operation degree being larger than the first restriction accelerator operation degree. | 10-30-2014 |
| 20140324320 | ENERGY CONSERVATION SYSTEMS AND METHODS - Methods and systems are described for conserving energy used by an energy consuming device. In certain embodiments, an energy conservation system can be configured to deliver energy to the energy consuming device for a period, followed by a period where energy delivery is dampened and/or cut. By cycling the delivery of energy in this fashion, the energy conservation can achieve a pulsed efficiency. | 10-30-2014 |
| 20140336901 | HIGH-PRESSURE FUEL PUMP PROTECTION - A method to protect a high-pressure fuel pump in a diesel-engine system includes enabling the high-pressure fuel pump when fuel pressure in the diesel-engine system is above a threshold, and disabling the high-pressure fuel pump if the fuel pressure is below the threshold. In this manner, the high-pressure fuel pump is protected from premature wear and failure due to inadequate lubrication. | 11-13-2014 |
| 20140343823 | ENGINE CONTROL DEVICE - A plurality of lattice points arranged in a three-dimensional Cartesian coordinate system that takes first, second and third operating conditions as axes are associated in a one-to-one relationship with at least some of a plurality of cores arranged in a lattice shape in a multi-core processor, and a calculation program for calculating a control value at the associated lattice points is allocated to the cores. Each core with which a lattice point is associated is configured so that, in a case where an operation space on the three-dimensional Cartesian coordinate system to which a current operating point belongs is a space defined by eight adjacent lattice points including a lattice point associated with the relevant core, the relevant core calculates a control value at the lattice point associated therewith by means of the calculation program and sends the control value to an interpolation calculation core, and if the operation space is not defined by the eight adjacent lattice points, the relevant core suspends calculation of the control value. The interpolation calculation core performs an interpolation calculation to calculate a control value at the current operating point using control values at the eight adjacent lattice points surrounding the current operating point. The multi-core processor outputs a control value at the current operating point that is obtained by the interpolation calculation core as a control target value of an actuator. | 11-20-2014 |
| 20140358400 | SYSTEM AND METHOD FOR CONTROLLING A POWERTRAIN SYSTEM TO PERFORM EXHAUST BRAKING - A system according to the principles of the present disclosure includes an exhaust braking enabling module, a driver torque module, and an engine actuator control module. The exhaust braking enabling module selectively enables exhaust braking based on driver input and independent of an accelerator pedal position. The driver torque module selectively determines a driver torque request based on a powertrain braking torque capacity when exhaust braking is enabled. The engine actuator control module controls fuel delivery to cylinders of an engine and a vane position of a turbocharger based on the driver torque request. | 12-04-2014 |
| 20140358401 | ENGINE CONTROL SYSTEM FOR MOBILE MACHINE - A control system is provided for use with an engine. The control system may have a coolant pressure sensor configured to generate a first signal indicative of a pressure of coolant circulating through the engine, and an oil pressure sensor configured to generate a second signal indicative of a pressure of oil circulating through the engine. The control system may also have a controller in communication with the coolant and oil pressure sensors. The controller may be configured to determine functionality of the coolant and oil pressure sensors during operation of the engine, and to selectively allow operation of the engine in a semi-protected mode when the coolant pressure sensor or the oil pressure sensor is determined to be non-functional. | 12-04-2014 |
| 20140358402 | METHOD FOR CONTROLLING CREEP TORQUE OF MOTOR-DRIVEN VEHICLE - A method for controlling a creep torque of a motor-driven vehicle includes a gradient calculating step of calculating a gradient of a traveling road, and a time constant calculating step of calculating a time constant of a filter using the gradient, a preset basic creep torque, and a sliding speed limiting value. A variable controlling step substitutes the calculated time constant for the time constant of the filter, inputs the basic creep torque to the filter, and controls the motor using a torque value output from the filter as a demanded torque. | 12-04-2014 |
| 20140365101 | Industrial Machine - An object is to provide a working machine that enables to appropriately become aware of a time for drainage of water from a water separator without adding a new element into the water separator. A hydraulic excavator ( | 12-11-2014 |
| 20140372008 | COOLANT CONTROL SYSTEMS AND METHODS FOR TRANSMISSION TEMPERATURE REGULATION - A coolant control system of a vehicle includes a pump control module and a coolant valve control module. The pump control module selectively activates a coolant pump. The coolant pump pumps coolant into coolant channels formed in an integrated exhaust manifold (IEM) of an engine. The coolant valve control module selectively actuates a coolant valve that controls coolant flow from the coolant channels formed in the IEM to a transmission heat exchanger based on a first temperature of a transmission and a second temperature of coolant within the integrated exhaust manifold of the engine. | 12-18-2014 |
| 20150019106 | METHOD AND SYSTEM FOR AN ENGINE FOR DETECTION AND MITIGATION OF INSUFFICIENT TORQUE - A method comprises in response to an oil pressure below a threshold oil pressure, and an engine speed below a threshold engine speed, restricting cam movement while the vehicle is moving, and during a vehicle stopped condition, overriding the restricted cam movement. | 01-15-2015 |
| 20150019107 | METHOD OF INFERRING START-UP MISFIRES DUE TO THE BUILD-UP OF ICE AND MELT WATER IN THE INTAKE SYSTEM OF A VEHICLE ENGINE - Methods are provided for determining ice formation during cruising under cold weather conditions at the intake manifold or throttle body of an engine system and for enabling engine misfire diagnostics upon detection of dissipation of the formed ice. | 01-15-2015 |
| 20150019108 | FILTERING METHOD FOR INTERMITTENT ULTRASONIC LEVEL SENSORS - Methods are provided for determining an exhaust fluid level in an exhaust fluid storage tank based on a signal, and a quality of the signal from an exhaust fluid level sensor located in the exhaust fluid tank of a vehicle. | 01-15-2015 |
| 20150019109 | Method and device for controlling an internal combustion engine - In a method for controlling the stopping behavior of an internal combustion engine, after a stop request, an air metering device initially reduces the volume of air supplied to the internal combustion engine during the stop and subsequently increases this volume of air again at an opening crankshaft angle (KWopen), the opening crankshaft angle (KWopen) being oriented to an undercut crankshaft angle (KWlow), at which a speed (n) of the internal combustion engine when stopping drops below a predefinable speed threshold value (ns). The time characteristic of the speed (n) of the internal combustion engine after the stop request is influenced in such a way that the internal combustion engine comes to a halt in a predefinable target crankshaft angle range. | 01-15-2015 |
| 20150025772 | Position Indicator Device - A position indicator device ( | 01-22-2015 |
| 20150025773 | FUEL SUPPLYING CONTROLLER - A fuel supplying controller detecting a clogging of a fuel filter includes a period setting portion setting a non-detection period where a clogging detection is prohibited, an ambient-temperature detection portion detecting an ambient temperature of an exterior of a vehicle, and a residual-fuel detection portion detecting a residual-fuel quantity in a fuel tank. The period setting portion sets the non-detection period, based on the ambient temperature detected by the ambient-temperature detection portion and the residual-fuel quantity detected by the residual-fuel detection portion. | 01-22-2015 |
| 20150039204 | OUTPUT CIRCUIT FOR AN ENGINE CONTROL DEVICE, AND MONITORING METHOD FOR SUCH A CIRCUIT - An engine control device ( | 02-05-2015 |
| 20150039205 | METHOD FOR OPERATING A FORCED-INDUCTION INTERNAL COMBUSTION ENGINE WITH VARIABLE COMPRESSION - In a method for operating a forced-induction internal combustion engine of a motor vehicle with variable compression, provision is made that the variable compression is pilot-controlled in such a way that a selected compression is established as a function of combustion efficiency and of the mechanical stress on components of the internal combustion engine, such that elevated compression is provided in the naturally aspirated range and/or decreased compression is provided in the forced-induction range. The variable compression is generated by phase shifting of a camshaft of the internal combustion engine, or by cam switching by way of a variable valve train. | 02-05-2015 |
| 20150051808 | ENGINE CONTROL SYSTEMS AND METHODS FOR ACCELERATOR PEDAL TIP-OUT - A difference module determines a difference between an engine speed and a transmission input shaft speed. A state control module sets a signal to a first state when a driver releases an accelerator pedal and selectively transitions the signal from the first state to a second state when the difference is less than zero. An immediate torque request module decreases an engine torque request when the signal is in the first state and selectively increases the engine torque request when the signal is in the second state. At least one of: a spark control module that selectively adjusts spark timing based on the engine torque request; and a fuel control module that selectively adjusts fueling based on the engine torque request. | 02-19-2015 |
| 20150057908 | ASIL B-COMPLIANT IMPLEMENTATION OF AUTOMOTIVE SAFETY-RELATED FUNCTIONS BY MEANS OF A HIGH DIAGNOSABILITY, QUALITY MANAGED-COMPLIANT INTEGRATED CIRCUIT - An automotive internal combustion engine electronic control unit for performing safety-related functions with a predetermined automotive safety integrity level, including: a microcontroller and an integrated circuit distinct from and communicating with the microcontroller. The microcontroller performs one or more safety-related functions with the same automotive safety integrity level as required to the automotive engine electronic control unit. The integrated circuit performs one or more safety-related functions with an automotive safety integrity level that is lower than that of the microcontroller. The integrated circuit performs, for each performed safety-related function, a corresponding diagnosis function for detecting failures in the performance of the safety-related function. The microcontroller performs, for each performed diagnosis function, a corresponding monitoring function for monitoring performance of the corresponding diagnosis function by the integrated circuit to detect failures that may compromise the diagnostic capability of the diagnosis function. | 02-26-2015 |
| 20150057909 | SYSTEM AND METHOD FOR ESTIMATING TURBOCHARGER OPERATING SPEED - A system and method are provided for estimating the operating speed of a turbocharger. A first pressure value corresponds to pressure at or near the air inlet of the compressor, and a second pressure value corresponds to pressure at or near the air outlet of the compressor. A temperature value corresponds to a temperature at or near the air inlet of the compressor, and a flow rate value corresponds to a flow rate of air entering the air inlet of the compressor. The operating speed of the turbocharger is estimated as a function of the first pressure value, the second pressure value, the temperature value and the flow rate value. | 02-26-2015 |
| 20150066332 | SYSTEMS AND METHODS FOR ENGINE CONTROL BASED ON ENGINE OIL VISCOSITY - A method, comprising: setting an engine intake airflow parameter based on an engine oil viscosity index. In this way, engine operating conditions that depend on engine friction and engine intake airflow, such as engine idling speed and engine friction torque, may be determined and implemented with an increased consistency. This in turn may decrease the possibility of engine stalls and improve engine performance, particularly at low temperatures. | 03-05-2015 |
| 20150066333 | CONTROL STRATEGY FOR A HYBRID VEHICLE WITH A DISABLED MOTOR - A method for controlling an engine in a hybrid electric vehicle according to the present disclosure includes, in response to a drive motor being unavailable, commanding an engine power equal to the lesser of a first and a second power. The first power is sufficient to satisfy a driver wheel torque request at the current engine speed, and the second power corresponds to a maximum engine torque available at a target engine speed, where the target engine speed is selected to attain a desired battery state of charge. | 03-05-2015 |
| 20150066334 | METHOD AND SYSTEM FOR HUMIDITY SENSOR DIAGNOSTICS - Methods and systems are provided for an engine including a humidity sensor. Degradation of the humidity sensor may be determined based on a change in intake air relative humidity as compared to a change in intake air temperature or pressure, under selected conditions. An amount of exhaust gas recirculated to an engine intake is adjusted differently based on whether the humidity sensor is degraded or functional. | 03-05-2015 |
| 20150081194 | METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE, INTERNAL COMBUSTION ENGINE AND MAINTENANCE SYSTEM FOR AN INTERNAL COMBUSTION ENGINE, SELF-EXECUTABLE COMPUTER PROGRAM PRODUCT AND NON-VOLATILE STORAGE MEDIUM - A method for operating an internal combustion engine having a hardware structure including an engine control unit and a maintenance unit, an electronic engine identification module and an engine control program, the method having the steps: providing a computer program product via a network by which an engine identification and engine data are loaded together and are exchanged, wherein the computer program product is designed for uploading and/or downloading a maintenance software module by which the engine identification and the engine data are compiled; loading the computer program product onto a non-volatile storage medium; coupling the non-volatile storage medium to the maintenance unit of the hardware structure and executing the computer program product; exchanging the maintenance software module between the non-volatile storage medium and the maintenance unit; identifying the engine and compiling engine data by the maintenance software module and a hardware component of the hardware structure. | 03-19-2015 |
| 20150088399 | EXHAUST SYSTEM AND METHOD OF ESTIMATING DIESEL PARTICULATE FILTER SOOT LOADING FOR SAME - A method of estimating soot loading in a diesel particulate filter (DPF) in a vehicle exhaust system includes determining engine operating conditions of an engine in exhaust flow communication with the diesel particulate filter, and monitoring a pressure differential of the exhaust flow across the diesel particulate filter. The method includes estimating soot loading in the diesel particulate filter according to a pressure-based model using the monitored pressure differential when the engine operating conditions are within a predetermined first set of engine operating conditions, and estimating soot loading in the diesel particulate filter according to an engine-out soot model and a DPF soot loading model when the engine operating conditions are within a predetermined second set of operating conditions. The method includes updating the engine-out soot model based in part on a difference in estimated soot loading between the pressure-based model and the DPF soot loading model. | 03-26-2015 |
| 20150088400 | ACTUATING DRIVE FOR AN AIR PASSAGE APPARATUS AND METHOD FOR CONTROLLING AN ACTUATING DRIVE - An actuating drive for an air passage apparatus for engine cooling in a vehicle is provided. The actuating drive comprises a drive motor for adjusting the air passage apparatus and a control unit for controlling the drive motor, in which control unit are stored operating parameters for a first operating mode of the drive motor, in order to adjust the air passage apparatus between the open and closed position, as intended. The actuating drive has a drive element which is drivable by the drive motor and a driven element movable along an adjustment path with the drive element for adjusting the air passage apparatus. The drive element and the driven element are coupled together in an operating state for adjusting the air passage apparatus, and are decoupled from each other in another operating state, whereby the driven element is movable with respect to the drive element. | 03-26-2015 |
| 20150094930 | MINIMUM POWER CONSUMPTION FOR COOL DOWN DIAGNOSTIC BASED ON CYLINDER DEACTIVATION - A diagnostic system for an engine of a vehicle includes a temperature determination module, a comparison module, and a fault indication module. The temperature determination module receives an indication of whether one or more cylinders within the engine are deactivated and selects a first temperature threshold based on the indication. The comparison module selectively determines whether a temperature of engine coolant is less than the first temperature threshold. The fault indication module diagnoses a fault in response to the comparison module determining that the temperature of the engine coolant is less than the first temperature threshold. | 04-02-2015 |
| 20150094931 | Method for performing maintenance on an engine - A method for performing maintenance on an engine includes: providing an engine maintenance system including a database system having a database and a database management device: providing a first performance parameter stored in the database and characterizes an engine performance before an engine maintenance procedure; providing a maintenance parameter stored in the database and characterizes a scope of a maintenance measure performed on an engine during an engine maintenance procedure; providing a second performance parameter stored in the database and characterizes the engine performance after the engine maintenance procedure; determining, using the database management device, a functional relationship between the maintenance parameter and the contribution of the maintenance parameter to a difference between the first performance parameter and the second performance parameter; outputting the functional relationship via the engine maintenance system; and performing maintenance on the engine taking the functional relationship into account. | 04-02-2015 |
| 20150094932 | SMART VEHICLE SENSOR - Various systems and methods are described for controlling operation of a motor vehicle based on a sensor. One example method comprises receiving sensed parameter data from the sensor, receiving calibration data from the sensor, and adjusting a vehicle operating parameter in response to the sensed parameter data and the calibration data. | 04-02-2015 |
| 20150112573 | SPARK PLUG FOULING DETECTION FOR IGNITION SYSTEM - A method for determining a level of spark plug fouling and providing an indication to change the spark plugs of an ignition system is provided. The method includes providing a dwell command on a control wire of an ignition system and generating an indication of a recommendation to change a spark plug of the ignition system based upon a current on the control wire. | 04-23-2015 |
| 20150120167 | METHOD AND APPARATUS FOR EVALUATING ABNORMAL COMBUSTION EVENTS OF AN INTERNAL COMBUSTION ENGINE OF A MOTOR VEHICLE BY REGRESSION CALCULATION OF A PHYSICAL VARIABLE - A method for evaluating abnormal combustion events of an internal combustion engine of a motor vehicle by regression calculation of a physical reference variable, in which method a recognition variable of the abnormal combustion event is calculated from a measured sensor signal. In a method with which abnormal combustion processes of the internal combustion engine can be reliably recognized and classified at all operating points, a stepwise system is used for regression calculation of the recognition variable, in which system at least one reference variable that corresponds to a measured reference variable of the sensor signal is calculated from the sensor signal. | 04-30-2015 |
| 20150120168 | VEHICLE CONTROL APPARATUS - A vehicle control apparatus performs an in-excess determination control by monitoring a drive power in-excess indicator at a time when a temporary in-excess state occurs which indicates that a drive power excess amount exceeds a predetermined value. As such, when a vehicle-dynamic safety parameter fulfills a prescribed condition, the vehicle control apparatus lowers an indicator threshold for determining an excess drive power continuation time from an original value to a lowered value. As a result, the excess drive power continuation time is determined as exceeding the indicator threshold, which indicates that a drive power of a vehicle is in excess, and a fail-safe instruction signal output is brought forward from an original timing to an earlier timing. Therefore, when a degree of dangerousness of a vehicle behavior is estimated to be relatively high, a fail-safe action is promptly taken. | 04-30-2015 |
| 20150134227 | TORQUE MANAGEMENT TECHNIQUES FOR ENGINE SYSTEMS HAVING BELT-DRIVEN STARTER GENERATORS - A method can include determining a desired torque output from an engine system in response to a torque request, the engine system including an engine and a belt-driven starter generator (BSG). The method can include determining a current engine torque capacity. When the desired torque output is greater than the current engine torque capacity, the method can include (i) determining a maximum engine torque capacity, (ii) determining a current BSG torque capacity, (iii) commanding the BSG to operate as a torque generator or a torque consumer based on a difference between the desired torque output and the maximum engine torque capacity and a state of a battery system configured to power the BSG, and (iv) controlling the engine and the BSG to collectively generate the desired torque output at a flywheel of the engine. | 05-14-2015 |
| 20150134228 | METHOD AND DEVICE FOR LIMITING THE TORQUE BUILD-UP OF AN ENGINE - A method for limitation of torque build-up of an engine ( | 05-14-2015 |
| 20150134229 | COMPRESSOR PRE-SPIN CONTROL METHOD - A method is provided for controlling a pre-spin operation of a compressor of an internal combustion engine provided with a turbocharger. The presence of a turbocharger imposes additional requirements on the method. The wear of a compressor clutch is proportional to the transferred energy when the clutch is engaged. In order to reduce the wear of the compressor clutch, or increase the maximum engine speed where it is allowed to engage the compressor, a compressor pre-spin operation is used to reduce the transferred energy when the clutch is engaged. The pre-spin is achieved by controlling the air mass flow over the compressor by controlling a bypass throttle angle of a bypass throttle. The bypass throttle is provided in a parallel conduit to the compressor, bypassing the compressor. Since the air mass flow over the compressor affects the air mass flow to the turbocharger, the method takes the turbocharger into consideration. | 05-14-2015 |
| 20150149060 | METHOD FOR CONTROLLING AN INTERNAL COMBUSTION ENGINE - A method controls an internal combustion engine that includes a drive output shaft coupled to an input shaft of a transmission, where the internal combustion engine and the transmission are encompassed by a drivetrain for the drive of a motor vehicle. The method includes steps of determining an acceleration of the motor vehicle and determining a rotational acceleration of the input shaft of the transmission. A dynamic load torque of the internal combustion engine is determined based on the rotational acceleration and a dynamic moment of inertia of the internal combustion engine. A maximum combustion torque of the internal combustion engine is determined from a sum of a predetermined maximum torque at the input shaft of the transmission and the dynamic load torque of the internal combustion engine. | 05-28-2015 |
| 20150149061 | METHOD FOR CONTROLLING AN INTERNAL COMBUSTION ENGINE - A method controls an internal combustion engine having a drive output shaft that is coupled to an input shaft of a transmission. The internal combustion engine and the transmission are encompassed by a drivetrain for the drive of a motor vehicle. The method includes determining a rotational speed of the drive output shaft of the internal combustion engine and determining a rotational acceleration of the drive output shaft based on the rotational speed of the drive output shaft. A dynamic torque of the internal combustion engine is determined as a product of the rotational acceleration and a dynamic moment of inertia of the internal combustion engine. A maximum combustion torque of the internal combustion engine is determined from a sum of a predetermined maximum torque at the input shaft of the transmission and the dynamic load torque of the internal combustion engine. | 05-28-2015 |
| 20150292372 | Container, Method and Control System - A replaceable fluid container for an engine comprising: a reservoir for holding a fluid; a fluid coupling adapted to provide fluidic communication between the reservoir and a fluid circulation system of an engine; and a data provider arranged such that positioning the container to permit fluidic communication between the reservoir and the fluid circulation system of the engine arranges the data provider for data communication with an engine control device of the engine. There is also provided a method of facilitating control of an engine and an engine control system, apparatus and a vehicle. | 10-15-2015 |
| 20150308315 | TECHNIQUES FOR THAWING A REDUCTANT INJECTOR AND REDUCTANT TANK PRIOR TO AN INJECTION ATTEMPT - A method includes determining, at a controller having one or more processors, whether an ambient temperature is less than a predetermined temperature indicative of frozen reductant in an exhaust system of an engine. The method includes determining an injector thaw period for a reductant injector in the exhaust system when the ambient temperature is less than the predetermined temperature. The method includes determining a tank thaw period for a reductant tank associated with the exhaust system, the reductant tank being configured to supply reductant to the reductant injector. The method also includes controlling (i) a heater to heat the reductant tank for the tank thaw period and (ii) a current provided to the reductant injector for the injector thaw period, such that the tank thaw period and the injector thaw period end at a same time. | 10-29-2015 |
| 20150315988 | METHOD FOR PROCESSING A SIGNAL SUPPLIED BY A BI-DIRECTIONAL SENSOR AND CORRESPONDING DEVICE - A method and device for processing a signal (CRK) provided by a bidirectional sensor, the method includes the following steps:
| 11-05-2015 |
| 20150315993 | CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - An in-cylinder pressure sensor detecting in-cylinder pressure is provided. A first crank angle and a second crank angle in the adiabatic compression stroke are set using an in-cylinder-pressure-maximum crank angle as a baseline, and an absolute pressure correction value is calculated using the in-cylinder pressure and in-cylinder volume at each of these crank angles. A crank angle advanced from the in-cylinder-pressure-maximum crank angle is set as the second crank angle in a manner so as to be a timing in the adiabatic compression stroke on the retard side with respect to the spark timing, and is used for the absolute pressure correction. | 11-05-2015 |
| 20150330317 | REAL-TIME VEHICLE DATA ACQUISITION AND ANALYSIS - An engine controller, system and method for collecting vehicle data. Drive torque data is determined using the engine controller in the vehicle and is stored in a memory in the vehicle. The drive torque data is stored in a non-time domain format, and may include a histogram of numbers of revolutions at predetermined intervals of drive torque values and/or a matrix of rainflow cycle counts. The drive torque data is temporarily stored in a buffer prior to being stored in the matrix of rainflow cycle counts using back-checking and binning. The drive torque data is downloaded from the vehicle and transmitted to a central data collection center. | 11-19-2015 |
| 20150337747 | METHOD TO CONTROL A SUPERCHARGED INTERNAL COMBUSTION ENGINE PROVIDED WITH A TURBOCHARGER BY MEANS OF AN ESTIMATION OF THE AVERAGE POWER DELIVERED BY THE TURBINE OF THE TURBOCHARGER - A method to control a supercharged internal combustion engine by means of a turbocharger provided with a turbine and a compressor which compresses the air taken in; the control method includes the steps of determining the instantaneous rotation speed of the turbocharger; and calculating the average power delivered by the turbine as a function of the absolute value of the j-th harmonic component of the instantaneous rotation speed of the turbocharger and of the instantaneous rotation speed of the turbocharger; and controlling the supercharged internal combustion engine as a function of the average power delivered by the turbine. | 11-26-2015 |
| 20150345412 | METHOD OF CONTROLLING THE OPERATION OF AN AIR CHARGING SYSTEM OF AN INTERNAL COMBUSTION ENGINE - A method of controlling the operation of an air charging system is disclosed. A plurality of output parameters of the air charging system are monitored. An error between each one of the monitored output parameters and a target value thereof is calculated. Each one of the calculated errors is applied to a linear controller that yields a virtual input which is used to calculate a plurality of input parameters for the air charging system. Each one of the input parameters is used to determine the position of a corresponding actuator of the air charging system and operate of the actuators according to the determined position thereof. The inputs parameters are calculated with a non-linear mathematical model of the air charging system configured such that each one of the virtual inputs is in a linear relation with only one of the output parameters. | 12-03-2015 |
| 20150345432 | COOLING SYSTEM FOR AN INTERNAL COMBUSTION ENGINE - A cooling system for an internal combustion engine is disclosed which includes a coolant pump for circulating a coolant in a coolant circuit and a radiator disposed in the coolant circuit. A charged-air cooler is disposed in the coolant circuit downstream of the radiator, and a long-route exhaust-gas-recirculation cooler disposed in the coolant circuit downstream of the charged-air cooler and upstream of the radiator. | 12-03-2015 |
| 20150354428 | METHOD OF ESTIMATING ENGINE-OUT NOx MASS FLOW RATE - A method of estimating a mass flow rate of nitrogen oxides in exhaust gas includes sensing a mass flow rate of a flow of exhaust gas from the engine. A nitrogen oxides base concentration for when the engine is operating at a reference state is defined, and a nitrogen oxides ratio for a current operating state of the internal combustion engine is calculated. The mass flow rate of the flow of exhaust gas, the nitrogen oxides base concentration, and the nitrogen oxides ratio for the current operating state of the engine are multiplied together to define an estimated value of the current mass flow rate of nitrogen oxides in the flow of exhaust gas from the engine. The estimated value of the mass flow rate of nitrogen oxides may be compared to the output from a nitrogen oxides sensor to determine proper functionality of the nitrogen oxides sensor. | 12-10-2015 |
| 20150369140 | FIRING PATTERN MANAGEMENT FOR IMPROVED TRANSIENT VIBRATION IN VARIABLE CYLINDER DEACTIVATION MODE - A system includes a cylinder control module that determines target numbers of cylinders of an engine to be activated during a period, determines, based on the target numbers and an engine speed, N predetermined sequences for controlling the cylinders of the engine during the period, determines whether a transition parameter is associated with at least one of the N predetermined subsequences and selectively adjusts at least one of the N predetermined subsequences based on the determination of whether a transition parameter is associated with at least two of the N predetermined sequences. The system further includes a cylinder actuator module that, during the period, controls the cylinders of the engine based on the N predetermined sequence and based on the at least one selectively adjusted predetermined sequences. | 12-24-2015 |
| 20150369145 | METHOD OF OPERATING CURRENT CONTROLLED DRIVER MODULE - A method of operation of a current control driver module for an engine system is provided. The method includes selecting a mode of operation of the current control driver module. The method also includes performing any one of a peak current control and an average current control by the current control driver module based on the selected mode of operation of the current control driver module. | 12-24-2015 |
| 20150377087 | MIDDLE PHASE CONTINUOUSLY VARIABLE VALVE TIMING SYSTEM WITH INTERMEDIATE LOCK PIN AND CAM TORQUE RESPONSE CONTROL AND METHOD THEREOF - A method of controlling an intermediate lock pin and cam torque response for a continuously variable valve timing system with is disclosed. The method includes entering a cam phaser control mode for controlling the middle phase CVVT when an engine starts, or performing lock pin chattering of a lock pin locking a cam at a middle position which is between an advanced position and a retarded position, by an oil pressure. A cam torque response control mode for controlling the middle phase CVVT is entered. The lock pin chattering occurs due to an intermittent oil flow supplying to the lock pin. | 12-31-2015 |
| 20150377154 | TEMPORARY RENTAL OF ENGINE RECALIBRATION - Increased rated output power of a motor vehicle's engine can be temporarily rented by the user of the vehicle from the engine manufacturer. | 12-31-2015 |
| 20160003171 | ADAPTIVE CONTROL SYSTEM FOR CYCLIC EXCAVATION MACHINE - A control system is disclosed for use with a powertrain of a machine. The control system may have a first sensor configured to generate a first signal indicative of an actual speed, a second sensor configured to generate second signal indicative of at least one of a force bearing on the machine and a position of an implement, and an interface device configured to generate a third signal indicative of a desired speed. The control system may also have a controller configured to determine a closed-loop gain value based on a difference between the actual and desired speeds, to classify a current operation of the machine based on the second signal, and to determine an open-loop gain value based on classification of the current operation. The controller may also be configured to control fueling of the machine based on a superposition of the closed-loop gain value and the open-loop gain value. | 01-07-2016 |
| 20160003172 | BOAT ENGINE IDLING REVOLUTION NUMBER CONTROL DEVICE AND METHOD - Provided is a boat engine idling revolution number control device, which includes a control unit ( | 01-07-2016 |
| 20160003180 | SYSTEM FOR ESTIMATING EXHAUST MANIFOLD TEMPERATURE - A system for estimation of exhaust gas temperature for internal combustion engine at low operating temperatures allows determination of when use of exhaust gas temperature sensor measurements is allowable for engine diagnostic. One approach implements a physical model of pressure and temperature drops across a dual stage waste-gated turbo-charger along with modifiers based on current operating conditions to estimate the temperature in the exhaust manifold. Another models combustion to estimate the temperature in the exhaust manifold. | 01-07-2016 |
| 20160003709 | ENGINE RPM MONITORING METHOD USING MODE OF PRIORITY AND ENGINE RPM MONITORING CONTROLLER THEREFORE - An ERM method is provided that uses a mode of priority, when engine monitoring is performed during a key on. In addition, engine stall and RPM sudden increase are determined based on a revolution per minute (RPM) of an engine. A storage priority decision of a first D_RPM Data associated with the engine stall and a second D_RPM Data associated with the RPM sudden rise is performed and a prioritized one of the first D_RPM Data and the second D_RPM Data is stored as new data of an engine RPM monitoring data memory | 01-07-2016 |
| 20160017790 | ADJUSTMENT OF ENGINE OPERATING CONDITIONS - A vehicle includes an internal combustion engine, an air intake coupled to the internal combustion engine and configured to intake air and supply the air to the engine, a temperature controller coupled to the air intake and to the internal combustion engine, and a control system coupled to the air intake, the internal combustion engine, and to the temperature controller. The control system being configured to receive engine operating data and control a temperature of the air via operation of the temperature controller to control an operating condition of the engine. | 01-21-2016 |
| 20160025027 | ENGINE ANALYSIS AND DIAGNOSTIC SYSTEM - A system for analyzing an engine of a vehicle may comprise a computer including a computer processor, a sensor connected to a portion of the vehicle and being configured to provide an engine signature to the computer, a simulator module configured to utilize the computer processor to generate simulated signature features associated with a simulated vehicle having prescribed defects, and a self-learning module configured to utilize the computer processor to learn associations between the simulated signature and prescribed defects. The computer processor may be configured to compare the engine signature with the associations of the self-learning module to produce a probability indicator that the engine has the prescribed defect at a specified intensity associated with a diagnosis of the engine. | 01-28-2016 |
| 20160025212 | VEHICLE CONTROL DEVICE AND VEHICLE CONTROL METHOD - A vehicle control device for controlling a vehicle with a drive source automatic stop unit for automatically stopping a drive source when a predetermined automatic stop condition is satisfied and an electrical oil pump to be driven during an automatic stop of the drive source includes a drive prohibition time calculation unit configured to calculate a drive prohibition time of the electrical oil pump on the basis of a heat generation amount of the electrical oil pump, and a drive prohibition unit configured to prohibit the drive of the electrical oil pump until the drive prohibition time elapses from the end of the drive of the electrical oil pump. | 01-28-2016 |
| 20160032851 | ELECTRONIC CONTROL UNIT OF INTERNAL COMBUSTION ENGINE AND METHOD THEREOF - An electronic control unit of the present invention includes: a demand generation level that generates and outputs a demand value concerning various kinds of functions; a physical quantity mediation level that aggregates and mediates the demand value for each predetermined physical quantity; and a controlled variable setting level that sets a controlled variable of the actuator based on the mediated demand value and transmits a signal in a single direction from a higher level to a lower level. A controlled variable mediation level that aggregates and mediates demand values expressed with controlled variables of the actuators set on the controlled variable setting level and a demand value transmitted from the demand generation level not through the physical quantity mediation level, together with demand values mediated by the physical quantity mediation level is provided below the controlled variable setting level. | 02-04-2016 |
| 20160032858 | METHOD AND SYSTEM FOR DETERMINING CAUSES OF ENGINE STOP USING IGNITION POWER MONITORING - A method for determining causes of engine stop using ignition power monitoring may include performing ignition power holding determination to determine, in a state in which a vehicle is started and an engine is driven, whether the vehicle is in a key-on state, to which power is consistently applied, in order to hold the starting of the engine of the vehicle. The method also includes performing power-off recognition time comparison by comparing, when ignition power is turned off and the engine is stopped, a time required to recognize ignition power-off in an ECU (Electronic Control Unit) with a preset ignition power-off recognition time for failure determination. The method also performs a power abnormality determination by determining whether the engine is stopped due to ignition power failure when the time required to recognize the ignition power-off in the ECU is not greater than the preset ignition power-off recognition time. | 02-04-2016 |
| 20160040644 | ENGINE WITH LASER IGNITION - Systems and methods for increasing an accuracy of misfire detection are described. An infra-red sensor coupled to a cylinder is used to sense an in-cylinder temperature profile following a laser ignition event. A misfire event is identified based on a deviation of the sensed profile from an expected profile. | 02-11-2016 |
| 20160061133 | IDLE RETURN SYSTEM AND METHOD FOR AN OFF HIGHWAY VEHICLE - An engine idle control method of an off highway vehicle. The method including the steps of: detecting a static load on the engine; detecting a dynamic load on the engine; determining if the static load is below a predetermined static level; determining if the dynamic load is less than a predetermined range; and engaging an auto-idle feature dependent upon both of the determining steps being true. | 03-03-2016 |
| 20160061134 | METHOD AND SYSTEM FOR OPERATING AN ENGINE - An engine control system including an engine configured to generate exhaust comprising an exhaust constituent and to operate in a first operating mode or a second operating mode different from the first operating mode. The engine control system can include a plurality of sensors configured to generate temperature data corresponding to at least one of a measured exhaust temperature and an ambient temperature, and exhaust constituent data corresponding to an exhaust constituent concentration. The engine control system can include a controller operatively coupled to the plurality of sensors and the engine, and configured to receive the temperature data and the exhaust constituent data from the plurality of sensors, and change an operating state of the engine from the first operating mode to the second operating mode when the temperature data is less than a predetermined temperature threshold and the exhaust constituent data is greater than a predetermined exhaust constituent threshold. | 03-03-2016 |
| 20160084135 | Catalyst Protection Against Hydrocarbon Exposure - A system to protect an after treatment system from the effects of hydrocarbon accumulation on a catalyst. An engine system microprocessor using software estimates the amount of hydrocarbon accumulation on the after treatment system based on engine system parameters and other parameters. The accumulated hydrocarbons can cause an exothermic event if the catalyst temperature is allowed to ramp up too quickly. Similarly, accumulated hydrocarbon can temporarily reduce after treatment system performance. In the case of SCR, the microprocessor can control a reductant injector to modulate the amount of reductant being injected into the after treatment system to control the amount of ammonia slip. Alternatively or in addition to, the microprocessor can communicate with proper electronic control modules to modulate the engine system parameters such as engine speed, fuel, and back pressure to control engine exhaust flow temperature during operation of the engine system. | 03-24-2016 |
| 20160086392 | WIRELESS ENGINE MONITORING SYSTEM - A wireless engine monitoring system (WEMS) includes an engine monitoring module that is mounted directly on an aircraft engine and records, stores, encrypts and transmits full flight engine data. The system preferably interfaces to the Full Authority Digital Engine Controller/Engine Control Unit (FADEC/ECU) and can record hundreds of engine parameters with a preferred sampling frequency of about one second. The engine monitoring module is preferably formed as a miniaturized module directly mounted on the aircraft engine within its cowling and has a conformal antenna. The engine monitoring module can also upload data for onboard processing. | 03-24-2016 |
| 20160090885 | OVERLOAD PROTECTION FOR AN ACTUATOR OF A SYSTEM FOR CONTROLLING SOUND PROPAGATING THROUGH AN EXHAUST SYSTEM | 03-31-2016 |
| 20160096527 | ADAPTIVE MODEL PREDICTIVE CONTROL FOR VEHICLE ROUTE PLANNING - Method and system are provided for vehicle route planning based on adaptive model predictive control. In one example, a method may include real-time online identification of the vehicle model base on the vehicle inputs and outputs; compression of the input space to increase the optimization efficiency; and optimization of the route planning based on the model parameter of the vehicle and the known road grade. | 04-07-2016 |
| 20160097355 | CRANKCASE INTEGRITY BREACH DETECTION - Methods and systems are provided for using a crankcase vent tube pressure or flow sensor for diagnosing a location and nature of crankcase system integrity breach. Integrated CVT pressure readings are used to diagnose disconnection of the CVT on the air intake side and distinguish from disconnection on the crankcase side. Use of integrated pressure readings allows for a more reliable and quicker diagnosis even at lower engine airflows. | 04-07-2016 |
| 20160097364 | VEHICLE CONTROL APPARATUS - A vehicle control apparatus includes an engine configured to drive a vehicle; a starter configured to start the engine; a headlamp configured to radiate light in front of the vehicle; a battery configured to supply driving electric power to the starter and the headlamp; a brightness detection unit configured to detect a physical quantity corresponding to brightness around the vehicle; and a control unit configured to have the engine stop automatically when a predetermined stopping condition is satisfied, and to have the engine start automatically when a predetermined starting condition is satisfied. The control unit inhibits the engine from stopping automatically when the headlamp is lighted, and the physical quantity detected by the brightness detection unit is less than or equal to a predetermined threshold. | 04-07-2016 |
| 20160097368 | SPARK PLUG FOULING DETECTION FOR IGNITION SYSTEM - A method for determining a level of spark plug fouling and providing an indication to change the spark plugs of an ignition system is provided. The method includes providing a dwell command on a control wire of an ignition system and generating an indication of a recommendation to change a spark plug of the ignition system based upon a current on the control wire. | 04-07-2016 |
| 20160102598 | METHOD AND SYSTEM FOR CONTROLLING ELECTRIC WATER PUMP - A method of controlling an EWP through an EWP controller configured to communicate with an engine electronic control unit (ECU) on a controller area network (CAN) includes receiving a CAN signal from the ECU to control the EWP through the CAN; receiving a fail-safe digital signal (FSDS) that is related to a fail-safe control function of an engine or the EWP from the ECU; and controlling the EWP based on the CAN signal and the fail-safe digital signal. | 04-14-2016 |
| 20160108795 | METHOD AND SYSTEM FOR CONTROLLING VARIABLE WATER PUMP BASED ON FLOW RATE CONTROL MODES - A method for controlling a variable water pump, in which a variable water pump for circulating a coolant is simultaneously controlled in association with an integrated flow rate control logic which controls a coolant flow based on a driving status of a vehicle, includes controlling the variable water pump to circulate the coolant and an integrated flow rate control valve to control the coolant flow using the integrated flow rate control logic. Flow rate control modes are classified into a heating mode and a fuel efficiency mode in consideration of operation information of an engine and the driving status of the vehicle. An operation of the variable water pump is controlled based on the operation information of the engine and the driving status of the vehicle in the heating mode or the fuel efficiency mode. | 04-21-2016 |
| 20160115838 | SYSTEMS AND METHODS FOR MANAGING DIESEL EXHAUST FLUID STRATIFICATION - A method for an exhaust system is provided, comprising adjusting reductant injection responsive to a reductant concentration, the reductant concentration based on concentration sensor readings and vehicle motion. If the reductant freezes, the reductant may stratify, leading to inaccurate concentration sensor readings. Vehicle motion may mix the reductant, thereby ensuring an accurate concentration measurement which may then be used to adjust reductant injection. | 04-28-2016 |
| 20160115858 | CONTROLLING A COOLANT PUMP AND/OR CONTROL VALVE OF A COOLING SYSTEM FOR AN INTERNAL COMBUSTION ENGINE OF A MOTOR VEHICLE - The present disclosure relates to a method for determining an actuating value for a coolant pump or a control valve of a cooling system for an infernal combustion engine of a motor vehicle. In particular, a pre-control value for ascertaining the actuating value is determined in a first determination mode based on a prescribed first allocation as a function of an output variable of the infernal combustion engine and a temperature difference of a heat exchanger of the cooling system. | 04-28-2016 |
| 20160138487 | FUEL REMOVAL METHOD FOR AN INTERNAL COMBUSTION ENGINE - A fuel removal method is for an internal combustion engine that has a closed- and open-loop control system and a lubricant circuit containing a lubricant. The closed- and open-loop control system has characteristic values for operation of the internal combustion engine. The method includes carrying out a load point shift starting from a first operating point of the internal combustion engine to a second operating point of the internal combustion engine with the aid of the closed- and open-loop control system. The load point shift is carried out when a fuel characteristic value, which characterizes a fuel quantity formed in the lubricant, is greater than or equal to a fuel threshold value. The second operating point having a second scavenging gradient which is greater than a first scavenging gradient of the first operating point. | 05-19-2016 |
| 20160138492 | Reduced Power Consumption with Sensors Transmitting Data Using Current Modulation - An engine control system operates to communicate via a sensor link with one or more sensors in a vehicle based on different communication protocols. The sensors alter communication protocols for communicating via the sensor link to an engine control unit to reduce or increase a current consumption according to one or more predetermined criteria. In response to a predetermine threshold of one or more of the predetermined criteria being satisfied, a sensor communicates in a first communication protocol as opposed to a second communication protocol while operating to communicate a current signal or a modulated current signal. | 05-19-2016 |
| 20160138494 | DRIVE CONTROL APPARATUS FOR PRIME MOVER - A drive control apparatus in which the target torque which is a target value of an output torque of the prime mover for driving a vehicle, is calculated, and the output torque control is performed so that the output torque of the prime mover coincides with the target torque, is provided. An estimated output torque which is an estimated value of the actual output torque of the prime mover, is calculated, and the torque difference accumulated value which approximates a time-integration value of a torque difference between the target torque and the estimated output torque, is calculated. It is determined that an abnormality has occurred in the output torque control when the torque difference accumulated value exceeds a determination threshold value which is set to a constant value. | 05-19-2016 |
| 20160146124 | METHOD FOR CONTROLLING ELECTRICITY GENERATION MODE OF VEHICLE - A method for controlling an electricity generation mode of a vehicle includes detecting an idle condition of an engine. An electricity generation mode is performed in which a generator generates an electricity. An idle RPM is increased in the electricity generation mode. An managing mode is entered if the electricity generation mode time elapses a reference time. An engine RPM is increased or decreased for a predetermined time in the managing mode. | 05-26-2016 |
| 20160153367 | METHOD FOR DIAGNOSING DETERIORATION OF INTERCOOLER | 06-02-2016 |
| 20160160769 | METHOD AND APPARATUS FOR OPERATING A VEHICLE, IN PARTICULAR A WATERCRAFT - A method is provided for operating a vehicle, in particular a watercraft, with at least one combustion engine that emits pollutants contained in an exhaust gas or wastewater. The current position of the vehicle is determined by a location determination. A closed-loop and/or open-loop control device is provided which sets or adjusts the quantity of at least one pollutant emitted by the combustion engine in a self-acting manner or automatically, in accordance with the determined position of the vehicle and with information on local pollutant regulations, in particular exhaust and/or water regulations. | 06-09-2016 |
| 20160160781 | On-Board Diagnostics For An Opposed-Piston Engine Equipped With A Supercharger - On-board diagnostic monitoring of a two-stroke cycle, opposed-piston engine includes diagnostic monitoring of an air handling system equipped with a supercharger to determine whether the supercharger is functioning properly. | 06-09-2016 |
| 20160160782 | METHOD OF DIAGNOSING ELECTRONIC WATER PUMP OF ENGINE - A method for diagnosing an electronic water pump of an engine in a vehicle includes determining whether a stall occurs while a sensorless 3-phase motor used for the electronic water pump of the engine is driven, based on a peak value of a torque of the motor. The method further includes determining whether the stall occurs while the motor is stopped, based on the torque of the motor. | 06-09-2016 |
| 20160169141 | MULTI-FUEL ENGINE SYSTEM | 06-16-2016 |
| 20160177813 | METHOD AND SYSTEM FOR CHARGE AIR COOLER CONDENSATE CONTROL | 06-23-2016 |
| 20160186645 | METHOD AND SYSTEM FOR ENGINE COOLING SYSTEM CONTROL - Methods and systems are providing for improving engine coolant level estimation to reduce engine overheating. The level of fluid in a coolant overflow reservoir is inferred based on the fluid level in a hollow vertical standpipe fluidically coupled to the reservoir at top and bottom locations, while the fluid level in the standpipe is estimated based on echo times of an ultrasonic signal transmitted by a sensor positioned in a recess at the bottom of the vertical standpipe. Sensor output is compensated with a term based on vehicle motion parameters to compensate for fluid level distortion due to motion-induced slosh. | 06-30-2016 |
| 20160186650 | METHOD AND SYSTEM FOR ENGINE COOLING SYSTEM CONTROL - Methods and systems are providing for improving engine coolant level estimation to reduce engine overheating. The level of fluid in a coolant overflow reservoir is inferred based on the fluid level in a hollow vertical standpipe fluidically coupled to the reservoir at top and bottom locations, while the fluid level in the standpipe is estimated based on output from an ultrasonic signal transmitted by a sensor positioned in a recess at the bottom of the vertical standpipe. Sensor power usage is optimized based on the ratio of first order and higher order harmonic echo times in the raw data set generated by the sensor. | 06-30-2016 |
| 20160201533 | SYSTEMS AND METHODS FOR OPPORTUNISTIC DIESEL PARTICULATE FILTER REGENERATION | 07-14-2016 |
| 20160201535 | METHOD OF CALIBRATING AN AFTER-TREATMENT SYSTEM RETROFITTED TO AN ENGINE | 07-14-2016 |
| 20160201591 | SYSTEMS AND METHODS FOR DISPLAYING TEST DETAILS OF AN ENGINE CONTROL TEST | 07-14-2016 |
| 20160252025 | ENGINE REFURBISHMENT USING IONIZED AIR | 09-01-2016 |
| 20180023490 | COMPRESSOR OVERRIDE CONTROL | 01-25-2018 |
| 20180023495 | REFUELING CONTROLLER | 01-25-2018 |
| 20190145313 | METHOD FOR DIAGNOSING ERRORS IN AN INTERNAL COMBUSTION ENGINE | 05-16-2019 |
| 20190145859 | MACHINE LEARNING FOR MISFIRE DETECTION IN A DYNAMIC FIRING LEVEL MODULATION CONTROLLED ENGINE OF A VEHICLE | 05-16-2019 |
| 20220136468 | ENGINE CONTROL DEVICE - A device is provided, which controls a vehicle-mounted engine provided with an engine body with a plurality of cylinders, a plurality of independent intake passages, each connected to the engine body so as to communicate with a combustion chamber of each cylinder via an intake port, and a surge tank connected to an upstream end of each independent intake passage. The device includes a phase changer, an ambient temperature sensor, and a controller configured to acquire an amount of condensate water existing in the surge tank. When the engine is stopped in a situation where the ambient temperature is lower than a given reference temperature and the condensate water amount is above a given reference amount, the controller controls the phase changer so that a lift amount of an intake valve in each cylinder of the stopped engine becomes outside a given minute lift range. | 05-05-2022 |
