Patent application number | Description | Published |
20100078001 | METHOD FOR CONTROLLING CYLINDER AIR CHARGE FOR A TURBO CHARGED ENGINE HAVING VARIABLE EVENT VALVE ACTUATORS - A method for controlling cylinder air charge of an engine having a compressor is presented. In one example, the description includes a method for coordinating the control of the throttle, turbo charger, and valves such that the desired cylinder air charge may be achieved while engine pumping work may be decreased. | 04-01-2010 |
20120203424 | SYSTEM AND METHOD FOR INTEGRATED CONTROL OF VEHICLE CONTROL SYSTEMS - A system and method for providing driving support system to a vehicle. The vehicle includes a set of control modules, having at least one operational setting, configured for electronically controlling the vehicle components. The system includes an integrated drive mode selection module having a set of drive modes for modifying the settings for each control module. A sensing system detects at least one condition associated with the driver, vehicle or surroundings. A controller determines an appropriate drive mode for the vehicle based on the condition and the output of a safety module that ensures that the drive mode is safe while driving. | 08-09-2012 |
20140244130 | ON-BOARD REAL-TIME SPEED CONTROL SETPOINT VARIATION USING STOCHASTIC OPTIMIZATION - Vehicle apparatus adjusts a vehicle powertrain of the vehicle in response to a speed setpoint. An optimizer selects a control policy to periodically generate speed adjustments for applying to the speed setpoint to operate at increased efficiency. The control policy is based on a value function providing an optimized solution for a cost model and a transition probability model. The transition probability model corresponds to a driving state defined according to a plurality of dimensions including a time-of-day dimension and a geographic region dimension. The transition probability model and the control policy have inputs based on road grade and speed. The optimizer collects road grade data during routine driving of the vehicle to construct a observed transition probability model and uses divergence between the observed transition probability model and a set of predetermined transition probability models to identify a control policy for use during the routine driving. | 08-28-2014 |
20150051762 | METHODS AND SYSTEMS FOR TORQUE CONTROL - Methods and systems are provided for improving surge control. When surge conditions are approached, a reference governor reduces engine airflow at a slower rate and to a higher level than the engine airflow required to meet the reduced torque demand. The excess torque resulting from the extra airflow is offset by applying a negative torque on the driveshaft via an electric machine coupled to the engine or via alternate engine actuator adjustments. | 02-19-2015 |
Patent application number | Description | Published |
20080287253 | Variable Displacement Engine Powertrain Fuel Economy Mode - A vehicle drive system comprising of a variable displacement engine including a plurality of cylinders, where at least one of the plurality of cylinders selectively deactivates to decrease engine displacement; a torque converter operatively coupled to the variable displacement engine configured to operate with variable slip; a driver interface for receiving a preference setting from a driver; a control system for receiving the driver preference setting, and adjusting torque converter slip based on the driver preference setting. | 11-20-2008 |
20080308069 | ENGINE FUELING CONTROL DURING CYLINDER VALVE MODE TRANSITIONS - A method of control fueling of a cylinder in an internal combustion engine, the cylinder having at least two intake valves, the method comprising of operating in a first mode with one active intake valve and one inactive intake valve during a cycle of the cylinder operating in a second mode with two active intake valves during a cycle of the cylinder and adjusting a fuel injection from an injector configured to deliver fuel through at least the two intake valves, where the fuel injection adjustment is responsive to a transition in modes and based on whether the transition is from the first mode to the second mode, or from the second mode to the first mode. | 12-18-2008 |
20140174413 | RATE-BASED MODEL PREDICTIVE CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE AIR PATH CONTROL - A rate based model predictive controller for air path control for a diesel engine regulates turbine lift and EGR valve flow rate to specified set points by coordinated control of intake manifold air pressure and EGR valve flow rate. The controller utilizes a rate-based reduced order linear model for model predictive control. | 06-26-2014 |
20140174414 | RATE-BASED CONTRACTIVE MODEL PREDICTIVE CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE AIR PATH CONTROL - A rate based model predictive controller and method for air path control for a diesel engine regulates intake manifold pressure (MAP) and EGR valve flow rate to specified set points by coordinated control of a variable geometry turbine (VGT) and EGR valve position. A decay and a flexible Lyapunov function is enforced on the rate based model predictive controller for a single step prediction and control arisen. | 06-26-2014 |
Patent application number | Description | Published |
20090090318 | METHOD FOR CONTROLLING AIR-FUEL RATIO FOR AN ALTERNATING VALVE ENGINE - A method for controlling the air-fuel ratio of an internal combustion engine operating with alternating intake valves is presented. According to the method, engine air-fuel ratio can be adjusted by changing valve timings or fuel during a cylinder cycle. | 04-09-2009 |
20100012088 | ENGINE CONTROL INCLUDING KNOCK COMPENSATION - Systems and methods are described, including one example method of controlling an engine having a cylinder with at least one valve operated by a variable valve mechanism (VVM) having a sensor coupled to the valve, the method comprising: adjusting at least one operating parameter in response to an indication of detonation of a combustible mixture in the cylinder, the indication based on the sensor coupled to the valve. | 01-21-2010 |
20100180840 | METHOD FOR CONTROLLING AIR-FUEL RATIO FOR AN ALTERNATING VALVE ENGINE - A method for controlling the air-fuel ratio of an internal combustion engine operating with alternating intake valves is presented. According to the method, engine air-fuel ratio can be adjusted by changing valve timings or fuel during a cylinder cycle. | 07-22-2010 |
20110000463 | FUEL SYSTEM WITH ELECTRICALLY-CONTROLLABLE MECHANICAL PRESSURE REGULATOR - A method for operating an engine direct injection fuel system is provided. The direct injection fuel system includes a mechanical fuel pressure regulator that has a spring actuatable by an electric motor. The method includes adjusting a preload of the spring by operating the electric motor to adjust a set-point fuel pressure from a first set-point fuel pressure to a second set-point fuel pressure in response to an operating condition, and maintaining the preload of the spring mechanically when the electric motor is not operating. | 01-06-2011 |
20110071746 | ASSISTED DIRECT START ENGINE CONTROL FOR ENHANCED LAUNCH PERFORMANCE - A system and method for controlling an internal combustion engine include anticipating vehicle launch in response to vehicle position relative to a traffic stream and controlling automatic restart and shut down in response to an anticipated vehicle launch to prevent an automatic engine shut down or to initiate an automatic engine restart. Embodiments include determining vehicle position and traffic position using GPS coordinates. Automatic restart may be initiated in response to movement of a forward vehicle away from the vehicle or in response to a signal from a traffic control device, for example. Automatic shutdown may be inhibited in response to movement of a forward vehicle in cross traffic, in response to a turn indicator being active, or in response to wheel angle, for example. | 03-24-2011 |
20110172873 | EMOTIVE ADVISORY SYSTEM VEHICLE MAINTENANCE ADVISOR - A vehicle maintenance advisor system for use by a driver of an automotive vehicle includes a computer. The computer is configured to receive input indicative of a vehicle history. The vehicle history includes how the vehicle is driven over time. The computer is further configured to identify a need to advise the driver that the vehicle requires a maintenance service based on the vehicle history. An alert is output to the driver. The alert indicates the required maintenance service for the vehicle. | 07-14-2011 |
20120010767 | HYBRID ELECTRIC VEHICLE AND METHOD OF CONTROL USING PATH FORECASTING - A path-dependent control of a hybrid electric vehicle (HEV) includes segmenting a route into segments, generating a sequence of battery state-of-charge (SoC) set-points for the segments, and controlling the vehicle in accordance with the battery SoC set-points as the vehicle travels along the route. | 01-12-2012 |
20120010768 | HYBRID ELECTRIC VEHICLE AND METHOD OF PATH DEPENDENT RECEDING HORIZON CONTROL - A path-dependent control of a hybrid electric vehicle (HEV) includes segmenting an original route into segments. A virtual route based on the remaining portion of the original route is generated once the HEV reaches a current segment of the original route. The virtual route includes a first segment corresponding to the current segment of the original route and a last segment representing at least two other segments of the remaining portion of the original route. Battery SoC set-points for the segments of the virtual route are generated. The vehicle is controlled according to the battery SoC set-point for the first segment of the virtual route as the vehicle travels along the current segment of the original route. | 01-12-2012 |
20120031357 | Feed Forward Control for Electric Variable Valve Operation - Periodic torque disturbances that affect cylinder valve operation are anticipated, and an appropriate reaction torque is provided by an electric motor to counteract the periodic torque disturbances to position a cylinder valve at a desired position. | 02-09-2012 |
20120316699 | VEHICLE DRIVER ADVISORY SYSTEM AND METHOD - An automotive vehicle may include at least one controller configured to monitor a plurality of parameters representing a driver's dynamic control of the vehicle and to establish a reference range based on values of the monitored parameters during a first time period. The at least one controller may be further configured to detect a change in driver behavior condition when, during a second time period, a parameter derived from the monitored parameters falls outside of the reference range, and in response to detecting the change in driver behavior condition, to alter a response of the vehicle to driver inputs or to generate output representing a recommendation to alter a response of the vehicle to driver inputs. | 12-13-2012 |
20140048023 | FEED FORWARD CONTROL FOR ELECTRIC VARIABLE VALVE OPERATION - Periodic torque disturbances that affect cylinder valve operation are anticipated, and an appropriate reaction torque is provided by an electric motor to counteract the periodic torque disturbances to position a cylinder valve at a desired position. | 02-20-2014 |
20140095003 | Electric Vehicle and Method of Battery Set-Point Control - A method includes utilizing navigation data from a navigation system to segment a route to be travelled by a travelling vehicle into segments each having a road grade different than neighboring segments. The method further includes discharging a battery of the vehicle as the vehicle travels along an initial segment of the route according to a state-of-charge (SoC) set-point based on the road grade of the initial segment and a variable representative of the road grades of at least two other segments of the route. | 04-03-2014 |