Patent application number | Description | Published |
20080244245 | OPTIMAL SELECTION OF COMPRESSION ENTRIES FOR COMPRESSING PROGRAM INSTRUCTIONS - A method of compressing instructions in a program may include extracting unique bit patterns from the instructions in the program and constructing a linear programming formulation or an integer programming formulation from the unique bit patterns, the instructions, and/or the size of a memory storage. The linear programming formulation or the integer programming formulation may be solved to produce a solution. The method may include compressing at least some of the instructions based on the solution by storing at least some of the unique bit patterns in a memory and placing corresponding indices to the memory in new compressed instructions. | 10-02-2008 |
20090300651 | Thread To Thread Communication - Thread to thread communication is provided. A first thread registers with a gateway for receiving communication. Registration includes identifying a location for receiving messages. The gateway maps message payloads received from second threads to the location of the first thread. The first thread detects a payload in the location and consumes it for processing. | 12-03-2009 |
20100115518 | BEHAVIORAL MODEL BASED MULTI-THREADED ARCHITECTURE - Multiple parallel passive threads of instructions coordinate access to shared resources using “active” and “proactive” semaphores. The active semaphores send messages to execution and/or control circuitry to cause the state of a thread to change. A thread can be placed in an inactive state by a thread scheduler in response to an unresolved dependency, which can be indicated by a semaphore. A thread state variable corresponding to the dependency is used to indicate that the thread is in inactive mode. When the dependency is resolved a message is passed to control circuitry causing the dependency variable to be cleared. In response to the cleared dependency variable the thread is placed in an active state. Execution can proceed on the threads in the active state. A proactive semaphore operates in a similar manner except that the semaphore is configured by the thread dispatcher before or after the thread is dispatched to the execution circuitry for execution. | 05-06-2010 |
20110067035 | Thread to Thread Communication - Thread to thread communication is provided. A first thread registers with a gateway for receiving communication. Registration includes identifying a location for receiving messages. The gateway maps message payloads received from second threads to the location of the first thread. The first thread detects a payload in the location and consumes it for processing. | 03-17-2011 |
20110126208 | Processing Architecture Having Passive Threads and Active Semaphores - Multiple parallel passive threads of instructions coordinate access to shared resources using “active” semaphores. The semaphores are referred to as active because the semaphores send messages to execution and/or control circuitry to cause the state of a thread to change. A thread can be placed in an inactive state by a thread scheduler in response to an unresolved dependency, which can be indicated by a semaphore. A thread state variable corresponding to the dependency is used to indicate that the thread is in inactive mode. When the dependency is resolved a message is passed to control circuitry causing the dependency variable to be cleared. In response to the cleared dependency variable the thread is placed in an active state. Execution can proceed on the threads in the active state. | 05-26-2011 |
20110128293 | System Co-Processor - Embodiments of the invention provide assigning two different class identifiers to a device to allow loading to an operating system as different devices. The device may be a graphics device. The graphics device may be integrated in various configurations, including but not limited to a central processing unit, chipset and so forth. The processor or chipset may be associated with a first identifier associated with a graphics processor and a second device identifier that enables the processor or chipset as a co-processor. | 06-02-2011 |
20110273460 | SYSTEM CO-PROCESSOR - Embodiments of the invention provide assigning two different class identifiers to a device to allow loading to an operating system as different devices. The device may be a graphics device. The graphics device may be integrated in various configurations, including but not limited to a central processing unit, chipset and so forth. The processor or chipset may be associated with a first identifier associated with a graphics processor and a second device identifier that enables the processor or chipset as a co-processor. | 11-10-2011 |
20130038616 | Dataport and Methods Thereof - A context-free (stateless) dataport may allow multiple processors to perform read and write operations on a shared memory. The operations may include, for example, structured data operations such as image and video operations. The dataport may perform addressing computations associated with block memory operations. Therefore, the dataport may be able, for example, to relieve the processors that it serves from this duty. The dataport may be accessed using a message interface that may be implemented in a standard and generalized manner and that may therefore be easily transportable between different types of processors. | 02-14-2013 |
Patent application number | Description | Published |
20090264466 | Certain Chemical Entities, Compositions and Methods - Chemical entities that modulate smooth muscle myosin and/or non-muscle myosin, pharmaceutical compositions and methods of treatment of diseases and conditions associated with smooth muscle myosin and/or non-muscle myosin are described. | 10-22-2009 |
20090275537 | Certain chemical entities, compositions, and methods - Chemical entities that modulate smooth muscle myosin and/or non-muscle myosin, pharmaceutical compositions and methods of treatment of diseases and conditions associated with smooth muscle myosin and/or non-muscle myosin are described. | 11-05-2009 |
20100069453 | Certain Chemical Entities, Compositions, and Methods - Compounds useful for treating cellular proliferative diseases and disorders by modulating the activity of one or more mitotic kinesins are disclosed. | 03-18-2010 |
20100317823 | Production of Adipic Acid and Derivatives from Carbohydrate-Containing Materials - The present invention generally relates to processes for the chemocatalytic conversion of a glucose source to an adipic acid product. The present invention includes processes for the conversion of glucose to an adipic acid product via glucaric acid or derivatives thereof. The present invention also includes processes comprising catalytic oxidation of glucose to glucaric acid or derivative thereof and processes comprising the catalytic hydrodeoxygenation of glucaric acid or derivatives thereof to an adipic acid product. The present invention also includes products produced from adipic acid product and processes for the production thereof from such adipic acid product. | 12-16-2010 |
20110218318 | Composition of Matter - Disclosed are compositions of matter comprising an adipic acid product of formula (1) | 09-08-2011 |
20120135964 | CERTAIN CHEMICAL ENTITIES, COMPOSITIONS, AND METHODS - Chemical entities that modulate smooth muscle myosin and/or non-muscle myosin, pharmaceutical compositions and methods of treatment of diseases and conditions associated with smooth muscle myosin and/or non-muscle myosin are described. | 05-31-2012 |
20130053348 | CERTAIN CHEMICAL ENTITIES, COMPOSITIONS, AND METHODS - Chemical entities that modulate smooth muscle myosin and/or non-muscle myosin, pharmaceutical compositions and methods of treatment of diseases and conditions associated with smooth muscle myosin and/or non-muscle myosin are described. | 02-28-2013 |
20130225785 | PRODUCTION OF CAPROLACTAM FROM ADIPIC ACID - Processes are disclosed for the conversion of adipic acid to caprolactam employing a chemocatalytic reaction in which an adipic acid substrate is reacted with ammonia and hydrogen, in the presence of particular heterogeneous catalysts and employing unique solvents. The present invention also enables the conversion of other adipic acid substrates, such as mono-esters of adipic acid, di-esters of adipic acid, mono-amides of adipic acid, di-amides of adipic acid, and salts thereof to caprolactam. Solvents useful in the process that do not react with ammonia are also disclosed. Catalyst supports are disclosed which catalyze the reaction of the substrate with ammonia in the absence of added metal. Metals on the catalyst supports comprise ruthenium (Ru), rhodium (Rh), palladium (Pd), osmium (Os), iridium (Ir), and/or platinum (Pt). Heterogeneous catalysts comprising ruthenium (Ru) and rhenium (Re) on titania and/or zirconia supports are also disclosed. Further, disclosed are products produced by such processes, as well as products producible from such products. | 08-29-2013 |
20140256982 | Production of Adipic Acid and Derivatives from Carbohydrate-Containing Materials - The present invention generally relates to processes for the chemocatalytic conversion of a glucose source to an adipic acid product. The present invention includes processes for the conversion of glucose to an adipic acid product via glucaric acid or derivatives thereof. The present invention also includes processes comprising catalytic oxidation of glucose to glucaric acid or derivative thereof and processes comprising the catalytic hydrodeoxygenation of glucaric acid or derivatives thereof to an adipic acid product. The present invention also includes products produced from adipic acid product and processes for the production thereof from such adipic acid product. | 09-11-2014 |
20160075676 | Production of Adipic Acid and Derivatives from Carbohydrate-Containing Materials - The present invention generally relates to processes for the chemocatalytic conversion of a glucose source to an adipic acid product. The present invention includes processes for the conversion of glucose to an adipic acid product via glucaric acid or derivatives thereof. The present invention also includes processes comprising catalytic oxidation of glucose to glucaric acid or derivative thereof and processes comprising the catalytic hydrodeoxygenation of glucaric acid or derivatives thereof to an adipic acid product. The present invention also includes products produced from adipic acid product and processes for the production thereof from such adipic acid product. | 03-17-2016 |
Patent application number | Description | Published |
20090111395 | PROVIDING A VIRTUAL LOCAL CHANNEL IN A SATELLITE BROADCAST SYSTEM - In one embodiment, a receiver for providing a virtual local channel in a broadcast radio system that transmits a plurality of sets of local content corresponding to a plurality of different geographic regions is disclosed. The receiver includes a detector (e.g., | 04-30-2009 |
20100008458 | Methods and apparatuses for estimating time delay and frequency offset in single frequency networks - In one method, an uplink signal carrying at least one block of transmitted samples is transmitted, and a distorted copy of the uplink signal is received as a downlink signal. A plurality of blocks of received samples are generated based on the received downlink signal, and a time delay and frequency offset between the uplink and downlink signals are determined based on a correlation between the block of transmitted samples and at least one of the plurality of blocks of received samples. | 01-14-2010 |
20100111197 | METHOD AND APPARATUS FOR FAST CHANNEL CHANGE - Providing a fast channel change function in a digital television system by hierarchically modulating each channel to provide both high priority (long interleave) and low priority (short interleave) signals, wherein a receiver may rapidly demodulate and use information within the low priority signal of a new channel to more rapidly change to the new channel. | 05-06-2010 |
20100142644 | Hierarchical Modulation - A method for modulating first and second bit streams in a communications network that supports at least one of a binary phase-shift keying (BPSK), a quadrature phase-shift keying (QPSK) or a quadrature amplitude modulation (QAM) constellation uses hierarchical modulation. A hierarchical modulation parameter that varies within the network is set. The first bit stream is modulated based on a first constellation of the hierarchical modulation and the hierarchical modulation parameter. The second bit stream is modulated based on a second constellation in the first constellation. | 06-10-2010 |
20100253425 | METHOD AND APPARATUS FOR PERFORMING PREDISTORTION - Embodiments are described herein to provide better predistortion solutions for the linearization of high power amplifiers, especially those with memory effects. Many embodiments involve a method in which a predistorted signal z | 10-07-2010 |
20100293213 | Method and apparatus for approximating a function - Embodiments described herein provide techniques for computing an approximation of a function. These embodiments provide an iterative method that avoids the computation of the normal matrix and/or the coefficients, as is typical in the prior art. (See diagram | 11-18-2010 |
20110164672 | Orthogonal Multiple Description Coding - In one aspect, an orthogonal multiple description encoder comprises orthogonal multiple description generation circuitry configured to produce multiple descriptions of a given signal by processing the signal using respective ones of a plurality of orthogonal matrices. Each of the multiple descriptions is generated as a function of the signal and a corresponding one of the plurality of orthogonal matrices. Other aspects include an orthogonal multiple description decoder, orthogonal multiple description encoding and decoding methods, and associated computer program products. | 07-07-2011 |
20120082205 | APPARATUS AND METHOD FOR GENERATING COMPRESSIVE MEASUREMENTS OF VIDEO USING SPATIAL AND TEMPORAL INTEGRATION - The present invention relates to an apparatus and method for generating compressive measurements of video using spatial-temporal integration. The apparatus includes a detector configured to detect luminance values of a temporal video structure over a period of time based on optical data. The temporal video structure has pixels with a horizontal dimension and a vertical dimension with corresponding luminance values over the period of time. The apparatus also includes a spatial-temporal integrator unit configured to receive a plurality of measurement bases. Also, the spatial-temporal integrator unit is configured to apply each measurement basis to the temporal video structure and to sum resulting values for each measurement basis over the period of time to obtain a set of measurements. The summed values for each measurement basis is the set of measurements. | 04-05-2012 |
20120082207 | VIDEO CODING USING COMPRESSIVE MEASUREMENTS - The present invention relates to an apparatus and method for video coding using compressive measurements. The method includes receiving video data including frames, and determining at least one temporal structure based on a series of consecutive frames in the video data. The temporal structure includes a sub-block of video data from each frame in the series. The method further includes obtaining a measurement matrix, and generating a set of measurements by applying the measurement matrix to the at least one temporal structure. The measurement matrix includes an assigned pattern of pixel values and the set of measurements is coded data representing the at least one temporal structure. | 04-05-2012 |
20120082208 | METHOD AND APPARATUS FOR ARBITRARY RESOLUTION VIDEO CODING USING COMPRESSIVE SAMPLING MEASUREMENTS - The present invention relates to method and apparatus for arbitrary resolution video coding using compressive measurements. The method includes receiving at least one measurement of a set of measurements that was generated at an encoder. The set of measurements represents encoded video data. The method further includes determining a display resolution, where the display resolution is the same or different than an original display resolution. The method further includes determining an expansion matrix based on at least a number of pixels for the determined display resolution, and reconstructing the video data using the determined expansion matrix such that the original display resolution is resized to the determined display resolution if the determined display resolution is different than the original display resolution. The expansion matrix includes a pattern of values. | 04-05-2012 |
20120189047 | Arbitrary Precision Multiple Description Coding - In one aspect, an encoder comprises arbitrary precision multiple description generation circuitry configured to produce multiple descriptions of a given signal by processing the signal using at least one matrix having a dimension which is selected as a function of a designated number of transmission resources, such as OFDM subcarriers or TDM time slots, that are allocated for transmission of the multiple descriptions. For example, the signal may comprise a vector x of dimension N and the arbitrary precision multiple description generation circuitry may be configured to generate M descriptions of the vector x where the value of M is selected to satisfy a particular one of three possible cases M=N, M>N and M07-26-2012 | |
20120294456 | SIGNAL SOURCE LOCALIZATION USING COMPRESSIVE MEASUREMENTS - In one aspect, a method for performing signal source localization is provided. The method comprises the steps of obtaining compressive measurements of an acoustic signal or other type of signal from respective ones of a plurality of sensors, processing the compressive measurements to determine time delays between arrivals of the signal at different ones of the sensors, and determining a location of a source of the signal based on differences between the time delays. The method may be implemented in a processing device that is configured to communicate with the plurality of sensors. In an illustrative embodiment, the compressive measurements are obtained from respective ones of only a designated subset of the sensors, and a non-compressive measurement is obtained from at least a given one of the sensors not in the designated subset, with the time delays between the arrivals of the signal at different ones of the sensors being determined based on the compressive measurements and the non-compressive measurement. | 11-22-2012 |
20130016790 | METHOD AND APPARATUS FOR SUPER-RESOLUTION VIDEO CODING USING COMPRESSIVE SAMPLING MEASUREMENTSAANM Jiang; HongAACI WarrenAAST NJAACO USAAGP Jiang; Hong Warren NJ USAANM Wilford; Paul A.AACI BernardsvilleAAST NJAACO USAAGP Wilford; Paul A. Bernardsville NJ US - Embodiments relate to a method and apparatus for super resolution video coding using compressive measurements. The method includes receiving, by a decoder, a set of measurements, where the set of measurements represents encoded video data having original video data with an original display resolution. The method further includes determining, by the decoder, a display resolution, where the display resolution is higher than the original display resolution, and determining a reduction matrix based on at least a number of pixels for the determined display resolution, where the reduction matrix includes a pattern of values. The method further includes reconstructing, by the decoder, the video data or a portion of the video data using the determined reduction matrix and the received set of measurements such that the original display resolution is enlarged to the determined display resolution. | 01-17-2013 |
20130044818 | Method And Apparatus For Video Coding Using A Special Class Of Measurement Matrices - The embodiments relate to a method and apparatus for video coding using a special class of measurement matrices. The method includes generating, by the encoder, a measurement matrix including a first row having a sequence of values and at least one other row having a shifted version of the sequence of values for the first row, and obtaining, by the encoder, a set of measurements by applying the measurement matrix to the video data, where the set of measurements is coded data representing the video data. | 02-21-2013 |
20130044820 | Method And Apparatus For Coding Data Using Compressive Sampling And Clustering - Embodiments relate to an apparatus and method for encoding and decoding data. The method includes arranging, by an encoder, data into a plurality of blocks. Each block corresponds to a sub-region of the data. The method further includes assigning, by the encoder, the plurality of blocks into groups such that a spread value associated with each group meets a desired criterion. The spread value indicates a level of dissimilarity or similarity among members of a group. The method further includes generating, by the encoder, a set of measurements for at least one group of blocks. The set of measurements is coded data representing the blocks corresponding to the at least one group. | 02-21-2013 |
20130121422 | Method And Apparatus For Encoding/Decoding Data For Motion Detection In A Communication System - Embodiments relate to an apparatus and method for encoding/decoding data for motion detection in a communication system. The method for encoding data includes receiving, by an encoder, video data including a plurality of frames. Each frame is represented by a pixel vector including a number of pixel values. The method further includes generating, by the encoder, sets of measurements representing the plurality of frames. Each set of measurements represents a different frame of the plurality of frames. The generating step generates the sets of measurements by applying sensing matrices to the pixel vectors, and a same sensing matrix is used for at least two sets of measurements. | 05-16-2013 |
20130156261 | METHOD AND APPARATUS FOR OBJECT DETECTION USING COMPRESSIVE SENSING - In one embodiment, the method for object detection and compressive sensing includes receiving, by a decoder, measurements. The measurements are coded data that represents video data. The method further includes estimating, by the decoder, probability density functions based upon the measurements. The method further includes identifying, by the decoder, a background image and at least one foreground image based upon the estimated probability density functions. The method further includes examining the at least one foreground image to detect at least one object of interest. | 06-20-2013 |
20130201297 | LENSLESS COMPRESSIVE IMAGE ACQUISITION - Systems, structures, devices and methods for lensless compressive image acquisition are disclosed herein with which images may be obtained from a single detection element while performing fewer times than a number of pixels associated with the image. Advantageously such systems, structures, devices and methods may be adapted to acquiring images at wavelengths that are difficult or impossible with contemporary CCD or CMOS imagers. | 08-08-2013 |
20130201343 | LENSELESS COMPRESSIVE IMAGE ACQUISITION - An exemplary lensless compressive imaging device may include a micro mirror array having a plurality of mirror elements that are individually controllable for selectively directing light reflecting from the micro mirror array. A detector detects light reflected from at least one of the mirror elements. A processor provides compressive image information based on the detected light. | 08-08-2013 |
20130208655 | METHOD AND APPARATUS FOR INTERFERENCE CANCELLATION IN HYBRID SATELLITE-TERRESTRIAL NETWORK - In a method for cancelling interference caused by a terrestrial transmitter at a satellite receiver in a hybrid satellite-terrestrial network, a satellite receiver generates an interference cancellation signal based on a reference terrestrial signal from the terrestrial transmitter and a received over-the-air (OTA) signal. The satellite receiver then cancels the interference caused by the terrestrial transmitter by combining the interference cancellation signal with the received OTA signal. The interference cancellation signal is a modified version of the reference terrestrial signal. | 08-15-2013 |
20130235487 | ANALOG TUNNELING CURRENT SENSORS FOR USE WITH DISK DRIVE STORAGE DEVICES - Amplifier architectures are provided for current sensing applications. An amplifier includes a load device, an operational amplifier, a current source, and a bipolar transistor. The operational amplifier has a first input terminal connected to a first input node that receives an input current, and a second input terminal connected to a second input node that receives a reference voltage. The current source is connected to an output of the operational amplifier. The operational amplifier, the current source, and the bipolar transistor form a feedback loop that generates and maintains a bias voltage on the first input node based on the reference voltage applied to the second input node. The bipolar transistor amplifies the input current received on the first input node, and generates an amplified input current. The load device converts the amplified input current to an output voltage, wherein the output voltage is used to sense the input current. | 09-12-2013 |
20140023147 | CROSS LAYER CODING FOR SATELLITE MOBILE TV BROADCAST METHOD AND APPARATUS - Methods and apparatus providing error protection in multicast-broadcast service by encoding multimedia content according to a first protocol to provide a plurality of distinct video streams, coding each of the distinct video streams using respective coding protocols, wherein each coding protocol has associated with it corresponding descriptors and coefficients, and multiplexing the coded video streams toward a wireless network. | 01-23-2014 |
20140043491 | METHODS AND APPARATUSES FOR DETECTION OF ANOMALIES USING COMPRESSIVE MEASUREMENTS - A method for detection of anomalies using compressive measurements includes receiving sets of measurements, a set of measurements representing compressed coded data of a segment of data; collecting at least one statistic of the sets of measurements; and examining the at least one statistic to detect at least one anomaly in the at least one segment. | 02-13-2014 |
20140112594 | RESOLUTION AND FOCUS ENHANCEMENT - An exemplary system includes at least one detector configured to provide an output based on a detected input. A plurality of input control elements control the input detected by the detector. A processor is configured to determine at least one point spread function based on a condition of the detector, a condition of the input control elements and a selected distance associated with the output. The controller is configured to generate data based on the output and the at least one point spread function, the generated data having at least one aspect | 04-24-2014 |
20140181061 | DATA DISTRIBUTION IN A CLOUD COMPUTING SYSTEM - An illustrative data access management system includes a plurality of data storage devices and at least one data manager device configured to arrange information stored by the data storage devices. The data manager device segments compressive measurements of data into a plurality of subsets. Each of the subsets contains measurement information for facilitating a reconstruction of at least an approximation of the data. The data manager device provides at least a first one of the subsets to a first one of the data storage devices and at least a second one of the subsets to a second one of the data storage devices. One of the data storage devices may be selected, based on at least one criterion, for providing a user access to the at least one subset stored by the selected data storage device. | 06-26-2014 |
20140240870 | ANALOG TUNNELING CURRENT SENSORS FOR USE WITH DISK DRIVE STORAGE DEVICES - Amplifier architectures are provided for current sensing applications. An amplifier includes a load device, an operational amplifier, a current source, and a bipolar transistor. The operational amplifier has a first input terminal connected to a first input node that receives an input current, and a second input terminal connected to a second input node that receives a reference voltage. The current source is connected to an output of the operational amplifier. The operational amplifier, the current source, and the bipolar transistor form a feedback loop that generates and maintains a bias voltage on the first input node based on the reference voltage applied to the second input node. The bipolar transistor amplifies the input current received on the first input node, and generates an amplified input current. The load device converts the amplified input current to an output voltage, wherein the output voltage is used to sense the input current. | 08-28-2014 |
20150178944 | METHODS AND APPARATUSES FOR DETECTING ANOMALIES IN THE COMPRESSED SENSING DOMAIN - A measurement vector of compressive measurements is received. The measurement vector may be derived by applying a sensing matrix to a source signal. At least one first feature vector is generated from the measurement vector. The first feature vector is an estimate of a second feature vector. The second feature vector is a feature vector that corresponds to a translation of the source signal. An anomaly is detected to in the source signal based on the first feature vector. | 06-25-2015 |
20150178945 | METHODS AND APPARATUSES FOR DETECTING ANOMALIES USING TRANSFORM BASED COMPRESSED SENSING MATRICES - A measurement vector of compressive measurements is received. The measurement vector may be derived by applying a sensing matrix to a source signal. The sensing matrix may be derived from a frequency domain transform. At least one first feature vector is generated from the measurement vector. The first feature vector is an estimate of a second feature vector. The second feature vector is a feature vector that corresponds to a translation of the source signal. An anomaly is detected to in the source signal based on the first feature vector. | 06-25-2015 |
20150350722 | Method and Apparatus for Fast Channel Change - Providing a fast channel change function in a digital television system by processing compressed video streams to provide high priority (HP) and low priority (LP) encoded streams, which streams may also be hierarchically modulated to provide, respectively, long interleave and short interleave modulated signals for transmission, wherein a receiver may rapidly demodulate and use information within the low priority signal of a new channel to more rapidly change to the new channel. | 12-03-2015 |
20150382000 | Systems And Methods For Compressive Sense Imaging - Systems and methods for compressive sense imaging are provided. In one aspect, a system and method is provided for determining at least one kernel matrix based on the relative motion of an object during a time period corresponding to the acquisition of one or more compressive measurements of the object. An uncompressed image of the object is generated using the compressive measurements using a reconstruction basis matrix that is different from the compressive basis matrix used to acquire the compressive measurements of the object. To compensate for the relative motion of the object, the reconstruction basis matrix is determined based on the at least one kernel matrix and the compressive basis matrix. | 12-31-2015 |
20150382026 | Compressive Sense Imaging - Systems and methods for compressive sense imaging are provided. In one aspect, incident light reflecting from an object is received via an aperture array and a sensor and intermediate compressive measurements are generated using compressive sequence matrices that are determined based on the properties of the aperture array and the sensor. The intermediate compressive measurements are further processed to generate compressive measurements representing the compressed image of the object. An uncompressed image of the object is generated from the compressive measurements using a determined reconstruction matrix that is different from the sequence matrices used to acquire the intermediate compressive measurements. | 12-31-2015 |
20160006916 | LENSLESS COMPRESSIVE IMAGE ACQUISITION - Systems, structures, devices and methods for lensless compressive image acquisition are disclosed herein with which images may be obtained from a single detection element while performing fewer times than a number of pixels associated with the image. Advantageously such systems, structures, devices and methods may be adapted to acquiring images at wavelengths that are difficult or impossible with contemporary CCD or CMOS imagers. | 01-07-2016 |
Patent application number | Description | Published |
20090156356 | Adaptive Clutch Torque Control for a Powershift Transmission - A method for controlling an input clutch of a vehicle transmission that includes an output driveably connected to the input clutch includes increasing the torque capacity of the input clutch, determining a reference acceleration of the output, determining a current acceleration of the output after the reference acceleration is determined, if a difference between the reference acceleration of the output and the current acceleration of the output is equal to or greater than a reference change in acceleration of the output, determining a desired input clutch torque, and adjusting the input clutch to produce the desired input clutch torque. | 06-18-2009 |
20090186743 | Vehicle Launch Using a Transmission Input Clutch - A method for controlling a transmission input clutch during a vehicle launch includes selecting a subject device that transmits torque between an input and an output, a providing a mathematical model of the subject device, such that the model employing only static relationships of engine speed and transmission input speed to a desired magnitude of torque produced by the subject device, using the model, the current engine speed and the current engine speed to determine the desired torque produced by the subject device, and adjusting the torque capacity of the clutch to the desired torque of the subject device determined from the model. | 07-23-2009 |
20100105523 | Vehicle Launch Using a Transmission Clutch - A method for controlling a transmission input clutch during a vehicle launch includes determining a desired clutch torque, a desired engine torque, a desired vehicle acceleration and a desired engine speed, determining a change in clutch torque and a change in engine torque with reference to the first and second errors and current operating conditions, applying to the clutch an updated clutch torque capacity whose magnitude is the sum of the desired clutch torque and the change in engine torque, and producing an updated engine torque whose magnitude is the sum of the desired engine torque and the change in engine torque. | 04-29-2010 |
20110136621 | METHODS AND SYSTEMS FOR ASSISTED DIRECT START CONTROL - Methods and systems are provided for reducing driveline unwinding during successive engine shutdown and restart operations. In one example, during an engine shutdown, torsion is maintained in a transmission gear-train until an engine restart is requested by engaging one or more transmission clutches while applying wheel brakes. | 06-09-2011 |
20110184612 | Ratio Shift Control System and Method for a Multiple-Ratio Automatic Transmission - A control system and method for controlling a multiple gear ratio automatic transmission in a powertrain for an automatic transmission having pressure activated friction torque elements to effect gear ratio upshifts. The friction torque elements are synchronously engaged and released during a torque phase of an upshift event as torque from a torque source is increased while allowing the off-going friction elements to slip, followed by an inertia phase during which torque from a torque source is modulated. A perceptible transmission output torque reduction during an upshift is avoided. | 07-28-2011 |
20110184613 | MULTIPLE-RATIO AUTOMATIC TRANSMISSION CONTROL METHOD AND SYSTEM FOR RATIO UPSHIFTS - A speed ratio shaft control for multiple ratio vehicle transmission has controlled release of an off-going transmission clutch and controlled engagement of an on-coming transmission clutch during a speed ratio upshift, at least one clutch being a friction torque establishing clutch. A controller, using shift-timing software strategy, actively manages in real time a clutch torque level for each clutch so that transient torque disturbances in a transmission torque output shaft are mitigated. | 07-28-2011 |
20110288735 | Producing Vehicle Creep Through a Transmission Without a Torque Converter - A method for controlling creep in a vehicle having no transmission torque converter, includes operating an input clutch of the transmission at a desired clutch torque capacity, using a feed-forward engine torque to minimize the impact on the engine speed when additional load on the engine occurs from increasing the clutch torque capacity, producing a desired clutch slip by controlling engine idle speed, and achieving a desired vehicle speed by controlling the input clutch torque capacity. | 11-24-2011 |
20110306464 | Power-Off Downshift Engagement Dampening - A method for controlling a power-off downshift in a powershift transmission includes disengaging the current gear, synchronizing engine speed and a speed of the target gear layshaft by increasing a torque capacity of the target gear clutch, disengaging the clutch, engaging the target gear, and reengaging the clutch. | 12-15-2011 |
20110307150 | Damping Oscillations During a Gear Ratio Change of a Dual Clutch Powershift Transmission - A method for controlling an upshift in a vehicle transmission includes transferring engine torque from an offgoing clutch to an oncoming clutch, using a torque capacity of the offgoing clutch to dampen oscillations when a difference between a speed of a transmission offgoing input and a calculated expected speed of said input is greater than a reference speed difference, and modulating engine torque during a ratio change phase of the shift. | 12-15-2011 |
20120010044 | METHOD FOR CONTROLLING AN ENGINE THAT MAY BE AUTOMATICALLY STOPPED - A method for improving starting of an engine that may be repeatedly stopped and started is presented. In one embodiment, the method adjusts a transmission tie-up force in response to engine starting. The method may improve vehicle launch for stop/start vehicles. | 01-12-2012 |
20120010045 | METHOD FOR STARTING AN ENGINE - A method for improving starting of an engine that may be repeatedly stopped and started is presented. In one embodiment, the method adjusts a transmission actuator in response to engine combustion during an engine start. The method may improve vehicle launch for stop/start vehicles. | 01-12-2012 |
20120010792 | METHODS AND SYSTEMS FOR ENGINE CONTROL - Systems and methods are provided for restarting an engine that can be selectively deactivated during idle-stop conditions. In one embodiment, the engine is restarted with torque reduction over an interval of the restart, for example, by upshifting the transmission. In response to a vehicle launch request, the torque reduction is decreased, for example, by downshifting the transmission, to expedite return of driveline torque. | 01-12-2012 |
20120172175 | METHODS AND SYSTEMS FOR ASSISTED DIRECT START CONTROL - Methods and systems are provided for reducing audible clunks and objectionable drive feel in vehicles including start/stop systems. In one example, a vehicle engine is shutdown during vehicle coasting. The vehicle engine is then restarted, while the vehicle is moving with a torque converter clutch disengaged. A transmission clutch pressure is then adjusted during the restart based on a torque converter output speed relative to a torque converter input speed. | 07-05-2012 |
20120312657 | Active Damping Tip-In Clutch Control of a Vehicle Transmission - A method for controlling an input clutch of a vehicle transmission during a tip-in includes using a current gear and rate of change of transmission input speed to determine a first torque modifier, if a peak or trough occurred in input speed, using the current gear and a difference between measured input speed and expected input speed to determine a second torque modifier, and changing a torque capacity of said clutch using said modifiers. | 12-13-2012 |
20120316029 | Controlling an Automatic Vehicle Restart on a Hill - A method for controlling a vehicle on an uphill incline includes automatically shifting a transmission to first gear, automatically stopping the engine, using wheel torque to maintain a one-way clutch engaged and to hold a transmission component against rotation, preventing vehicle rollback by automatically engaging a target gear and tying-up the transmission automatically restarting the engine, and automatically reengaging first gear. | 12-13-2012 |
20130085035 | METHOD FOR CONTROLLING AN ENGINE THAT MAY BE AUTOMATICALLY STOPPED - A method for improving starting of an engine that may be repeatedly stopped and started is presented. In one embodiment, the method adjusts a transmission tie-up force in response to engine starting. The method may improve vehicle launch for stop/start vehicles. | 04-04-2013 |
20130090818 | Multiple-Ratio Automatic Transmission Control Method And System For Ratio Upshifts - A speed ratio shaft control for multiple ratio vehicle transmission has controlled release of an off-going transmission clutch and controlled engagement of an on-coming transmission clutch during a speed ratio upshift, at least one clutch being a friction torque establishing clutch. A controller, using shift-timing software strategy, actively manages in real time a clutch torque level for each clutch so that transient torque disturbances in a transmission torque output shaft are mitigated. | 04-11-2013 |
20160023650 | SYSTEMS FOR MANAGING DOWNSHIFTS IN HYBRID-ELECTRIC VEHICLES - Systems for managing downshifts in hybrid-electric vehicles are disclosed. The systems include a multispeed transmission, an internal combustion engine selectively coupled to the multispeed transmission, an electric motor coupled to the multispeed transmission, and an electronic control unit. The electronic control unit is programmed to evaluate a torque demand, start the internal combustion engine, and pre-stage a downshift shift sequence by partially disengaging a second shift clutch and partially engaging a first shift clutch. The electronic control unit is also programmed to interrupt the downshift shift sequence until a pre-determined torque supplemental event occurs and later complete the downshift shift sequence by modifying the hydraulic pressure through the valve body to completely disengage a second gear set from the input shaft with the second shift clutch and completely engage a first gear set and the input shaft with the first shift clutch. | 01-28-2016 |
Patent application number | Description | Published |
20110186787 | Electrically Conductive Polymeric Compositions, Contacts, Assemblies and Methods - Electrically conductive polymeric compositions adapted for use in forming electronic devices are disclosed. The compositions are thermally curable at temperatures less than about 250° C. Compositions are provided which may be solvent-free and so can be used in processing or manufacturing operations without solvent recovery concerns. The compositions utilize (i) fatty acid modified epoxy acrylate and/or methacrylate monomer(s) and/or oligomer(s), (ii) fatty acid modified polyester acrylate and/or methacrylate monomer(s) and/or oligomer(s), or combinations of (i) and (ii). Also described are electronic assemblies such as solar cells using the various compositions and related methods. | 08-04-2011 |
20120174974 | Oxides And Glasses For Use With Aluminum Back Solar Cell Contacts - Solar cell contacts having good electrical performance are made by a process involving: (a) providing a silicon wafer substrate; (b) providing a paste comprising: (i) aluminum, (ii) glass frit, and (iii) a separate and distinct amount of at least one oxide, such that, together with the aluminum, the glass frit and oxide forms a paste having an exothermic reaction peak, at a temperature of at least 660° C. to less than 900° C., (c) applying the paste to the silicon wafer substrate to form a coated substrate, and (d) firing the coated substrate for a time and at a temperature sufficient to sinter the aluminum and fuse the glass frit and oxide. | 07-12-2012 |
20120178207 | Vanadium, Cobalt And Strontium Additives For Use In Aluminum Back Solar Cell Contacts - Al pastes with additives of Co, Sr, V, compounds thereof and combinations thereof improve both the physical integrity of a back contact of a silicon solar cell as well as the electrical performance of a cell with such a contact. | 07-12-2012 |
20120186647 | Organometallic And Hydrocarbon Additives For Use With Aluminum Back Solar Cell Contacts - A method of reducing bow and/or improving the electrical performance of an aluminum back contacted silicon solar cell includes applying to a silicon wafer substrate a paste including aluminum and an organometallic compound, and firing the substrate. The organometallic compound is a C | 07-26-2012 |
20140008112 | Single Component, Low Temperature Curable Polymeric Composition And Related Method - Electrically conductive polymeric compositions curable at temperatures below 250° C. are disclosed. The compositions are particularly well suited for forming electrodes used in association with certain solar cells. | 01-09-2014 |
20140332071 | ELECTRICALLY CONDUCTIVE POLYMERIC COMPOSITIONS, CONTACTS, ASSEMBLIES, AND METHODS - Electrically conductive polymeric compositions adapted for use in forming electronic devices are disclosed. The compositions are thermally curable at temperatures less than about 250° C. Compositions are provided which may be solvent-free and so can be used in processing or manufacturing operations without solvent recovery concerns. Core-shell conductive particles provide the conductivity of the compositions and devices contemplated herein. | 11-13-2014 |
20140373909 | Fire Through Aluminum Paste for SiNx And Better BSF Formation - Paste compositions, methods of making a paste composition, photovoltaic cells, and methods of making a photovoltaic cell contact are disclosed. The paste composition can include a conductive metal component such as aluminum, phosphate glass, phosphorus compounds such as alky! phosphate, and a vehicle. The contact can be formed on a passivation layer on a silicon wafer by applying the paste on the passivation layer and firing the paste. During firing, the metal component can fire through the passivation layer, thereby electrically contacting the silicon substrate. | 12-25-2014 |
20150107659 | ELECTRICALLY CONDUCTIVE POLYMERIC COMPOSITIONS, CONTACTS, ASSEMBLIES, AND METHODS - Electrically conductive polymeric compositions adapted for use in forming electronic devices are disclosed. The compositions are thermally curable at temperatures less than about 250° C. Compositions are provided which may be solvent-free and so can be used in processing or manufacturing operations without solvent recovery concerns. The compositions utilize (i) fatty acid modified epoxy acrylate and/or methacrylate monomer(s) and/or oligomer(s), (ii) fatty acid modified polyester acrylate and/or methacrylate monomer(s) and/or oligomer(s), or combinations of (i) and (ii). Also described are electronic assemblies such as solar cells using the various compositions and related methods. | 04-23-2015 |
Patent application number | Description | Published |
20130085034 | Ratio Shift Control System And Method For A Multiple-Ratio Automatic Transmission - A control system and method for controlling a multiple gear ratio automatic transmission in a powertrain for an automatic transmission having pressure activated friction torque elements to effect gear ratio upshifts. The friction torque elements are synchronously engaged and released during a torque phase of an upshift event as torque from a powertrain source is increased while allowing the off-going friction elements to slip, followed by an inertia phase during which torque from a powertrain source is modulated. A perceptible transmission output torque reduction during an upshift is avoided. | 04-04-2013 |
20130199335 | METHOD FOR STARTING AN ENGINE - A method for improving starting of an engine that may be repeatedly stopped and started is presented. In one embodiment, the method adjusts a transmission actuator in response to engine combustion during an engine start. The method may improve vehicle launch for stop/start vehicles. | 08-08-2013 |
20130238204 | METHOD FOR OPERATING A VEHICLE POWERTRAIN - Methods and systems for controlling a vehicle powertrain that may be automatically stopped and started are presented. In one example, a method adjusts a position of a transmission clutch in response to battery current during engine cranking. The method may reduce clutch wear and improve vehicle launch from a stop. | 09-12-2013 |
20130292223 | Pre-Staging and Boosting for Downshifts to Increase Regenerative Braking - A hybrid vehicle has a battery, a regenerative braking system, a transmission, and a controller. The controller boosts and strokes a hydraulic cylinder of an on-coming clutch when the state-of-charge of the battery allows regenerative braking and in response to a pedal actuation. The controller boosts and strokes the hydraulic cylinder before a disconnect clutch is opened and the transmission is downshifted to increase regenerative braking efficiency. | 11-07-2013 |
20130296103 | Adjusting Motor Torque to Enable Slip of Torque Converter Clutch to be Maintained when Accelerator Pedal Released in Hybrid Vehicle - A controller and a control strategy for a hybrid electric vehicle having a traction motor between an engine and an automatic transmission include maintaining a bypass clutch of a torque converter in an engaged position and applying a motor torque from a traction motor to the torque converter such that slip of the torque converter does not otherwise reach zero while the bypass clutch is maintained in the engaged position. | 11-07-2013 |
20130296106 | METHOD AND SYSTEM FOR CONTROLLING DRIVELINE LASH IN A HYBRID VEHICLE - A vehicle has an engine, an upstream clutch, an electric machine, a downstream clutch, a transmission gearbox, and a controller. The controller is configured to: (i) control engagement of the downstream clutch, (ii) monitor a vehicle torque, and (iii) control electric machine torque to a designated rate when the vehicle torque changes direction and the electric machine is operating. A method for controlling a hybrid vehicle includes engaging a clutch downstream of the electric machine, monitoring a vehicle torque, and controlling electric machine torque to a designated rate when vehicle torque changes direction and the electric machine is operating. A hybrid vehicle system has an electric machine and a controller configured to (i) control electric machine torque to a designated rate within a time zone, and (ii) control at least one of the electric machine torque and an engine torque to meet driver demand outside of the zone. | 11-07-2013 |
20130296107 | METHOD AND APPARATUS FOR STARTING A TURBOCHARGED ENGINE IN A HYBRID VEHICLE - A vehicle with a modular hybrid transmission that has a combustion engine including a turbocharger and an e-machine use barometric pressure, road grade, and estimated vehicle mass to develop a turbo lag estimate. If it is determined that undesirable turbo lag is likely, the system opens a disconnect clutch between the engine and the e-machine and the engine is started independently of the e-machine. The e-machine is then used to launch the vehicle while the engine is started. | 11-07-2013 |
20130296109 | Method and Apparatus for Starting an Engine of a Modular Hybrid Transmission Based Upon Demanded Torque - A control system including a method and apparatus for operating a hybrid vehicle. A disconnect clutch selectively separates an electric machine from a combustion engine. If a wide open throttle or high torque command is requested and the combustion engine is shut down, a 12 volt starter may be used to start the combustion engine while disconnected from the electric machine and all of the electric machine torque available may be used for traction. | 11-07-2013 |
20130296110 | Modulating Engine Torque to Synchronization Engine Speed with Motor Speed for Disconnect Clutch Engagement in Hybrid Vehicle - A system and method for controlling a hybrid vehicle having an engine, a traction motor, and a transmission selectively coupled in series by a clutch include modulating engine torque while the clutch is disengaged and while engine speed is less than motor speed to increase the engine speed. The clutch is engaged to connect the engine to the motor in response to the engine speed exceeding the motor speed. | 11-07-2013 |
20130296111 | ENGINE RESTART TORQUE SPIKE MANAGEMENT SYSTEM FOR A HYBRID VEHICLE - A method for controlling a hybrid vehicle having a traction motor between an engine and a step ratio automatic transmission during a startup of the hybrid vehicle. The method includes performing at least one of adjusting a clutch or an oil pressure to change a transmission tie-up force or downshifting the transmission in response to an actuation rate of a vehicle driver demand. | 11-07-2013 |
20130296114 | VEHICLE AND METHOD FOR CONTROLLING POWERTRAIN COMPONENTS OF A VEHICLE - A vehicle includes an engine, a traction motor, and a torque converter that is driven by the traction motor. A clutch arrangement mechanically couples an output of the torque converter to transmission gearing. A controller is provided in the vehicle that is configured to command an increase in slip, or decrease in clutch pressure, in the clutch arrangement in response to an increase in speed of the traction motor. The commanding of an increase in slip enables a product of the torque ratio of the torque converter and an input torque to the torque converter to remain generally constant during the increase in speed of the traction motor. | 11-07-2013 |
20130296116 | Hybrid Torque Converter Control During Rolling Engine Start For Driveline Damping - A system and method for controlling a hybrid vehicle including a transmission having a torque converter with a bypass clutch include controlling the slip between the impeller and the turbine of the torque converter in slip mode operation to regulate the converter torque ratio and maintain substantially constant torque at the turbine. Controlled slip uses the hydrodynamic coupling of the torque converter to balance the desired and delivered torque while damping torque disturbances transmitted through the driveline to manage noise, vibration and harshness (NVH). | 11-07-2013 |
20130296117 | SYSTEM AND APPARATUS FOR ENGINE FLARE CONTROL DURING TRANSMISSION GEAR SHIFT - A vehicle includes an engine, an electric machine, a transmission, and at least one controller. The at least one controller, in response to a gear shift of the transmission that causes a speed of the engine to exceed a predetermined speed, commands a change in current to the electric machine such that the speed of the engine decreases to a target speed to avoid engine flare. | 11-07-2013 |
20130297122 | Methods and Systems for a Driveline Disconnect Clutch - Systems and methods for improving operation of a hybrid vehicle are presented. In one example, compensation for a driveline disconnect clutch is provided. The approaches may reduce driveline torque disturbances. | 11-07-2013 |
20130297162 | DYNAMIC SHIFT SCHEDULING IN A HYBRID VEHICLE HAVING A STEP RATIO AUTOMATIC TRANSMISSION - A hybrid vehicle having an engine and motor in series with a step ratio automatic transmission shifts the transmission according to a first shift schedule based on driver demand and output speed or a second shift schedule based on efficient operating speeds of the engine and motor associated with the target gear ratio. A powertrain controller continually calculates engine and motor speeds and torques associated with target gear ratios for the second shift schedule to select a gear ratio based on operating efficiency. An arbitration strategy may compare a weighted target gear ratio from the first schedule shift schedule to a weighted target gear ratio from the second shift schedule to dynamically select a desired target gear for powertrain control management. | 11-07-2013 |
20130338892 | CONTROL OF A BACKING VEHICLE - A method for controlling a backing vehicle includes if a back-up sensor indicates that an obstacle is present behind the vehicle and a gear selector is moved to a reverse position, delaying reverse gear engagement and producing a warning signal, and producing a transmission tie-up if brakes are applied insufficiently to stop the vehicle. | 12-19-2013 |
20140011635 | METHOD FOR STARTING AN ENGINE - A method for improving starting of an engine that may be repeatedly stopped and started is presented. In one embodiment, the method adjusts a transmission actuator in response to engine combustion during an engine start. The method may improve vehicle launch for stop/start vehicles. | 01-09-2014 |
20140045650 | METHODS AND SYSTEMS FOR ASSISTED DIRECT START CONTROL - Methods and systems are provided for reducing audible clunks and objectionable drive feel in vehicles including start/stop systems. In one example, a vehicle engine is shutdown during vehicle coasting. The vehicle engine is then restarted, while the vehicle is moving with a torque converter clutch disengaged. A transmission clutch pressure is then adjusted during the restart based on a torque converter output speed relative to a torque converter input speed. | 02-13-2014 |
20140046529 | METHODS AND SYSTEMS FOR OPERATING A DRIVELINE DISCONNECT CLUTCH - Systems and methods for improving operation of a hybrid vehicle are presented. In one example, application of a driveline disconnect clutch to start an engine is described. The approach applies the driveline disconnect clutch to rotate an engine and at least partially disengages the driveline disconnect clutch to reduce the possibility of a reduction in torque applied to vehicle wheels. | 02-13-2014 |
20140057756 | METHODS AND SYSTEMS FOR ENGINE CONTROL - Systems and methods are provided for restarting an engine that can be selectively deactivated during idle-stop conditions. In one embodiment, the engine is restarted with torque reduction over an interval of the restart, for example, by upshifting the transmission. In response to a vehicle launch request, the torque reduction is decreased, for example, by downshifting the transmission, to expedite return of driveline torque. | 02-27-2014 |
20140080668 | DECELERATION FUEL SHUT OFF SCHEDULING BASED ON VEHICLE PARAMETERS - A method for enacting DFSO in a motor vehicle having an engine and a transmission. The method includes, during a condition of normal engine-braking efficiency, disabling the DFSO below a higher gear of the transmission. During a condition of reduced engine-braking efficiency, by contrast, the DFSO is disabled below a lower gear of the transmission. | 03-20-2014 |
20140200789 | DRIVER FEEDBACK FOR VEHICLE OPERATION - The following description relates to systems and methods for adjusting vehicle response parameters in response to indications of vehicle operator preferences. In one example approach, a method comprises, during a cruise control mode of operation, adjusting a vehicle response parameter from a default set-point based on an indication of vehicle operator preference. | 07-17-2014 |
20140277867 | Vehicle Mass Detection System - A vehicle system and a method for calculating a vehicle mass is provided. In at least one embodiment, the system and the method measure current consumed by an electric machine of the vehicle to calculate vehicle mass. A controller of the vehicle uses the calculated mass to control operation of the vehicle, for example a four wheel drive, transmission, stability control, or brake system of the vehicle. A GPS and tire speed sensor system may be incorporated to detect the presence of a towed object, for example a trailer, and to further adjust operation of the vehicle. | 09-18-2014 |
20140277973 | VEHICLE IMMOBILIZER METHOD AND SYSTEM - A system and method of immobilizing a vehicle include receiving a driver presence signal and a transmission state signal and commanding a transmission tie-up in response to the driver presence signal and the transmission state signal. In one embodiment, controlling a transmission element to tie-up a transmission includes braking approximately simultaneously a combination of transmission elements to inhibit rotation of a transmission output and maintaining transmission line pressure to maintain the transmission tie-up when an engine is off. | 09-18-2014 |
20140278018 | METHOD AND SYSTEM FOR IMPROVING ENGINE STARTING - A method and a system for improving operation of an automatically started engine are described. In one example, slip of a disconnect clutch is adjusted to limit an amount of engine torque transferred to vehicle wheels. The method and system adjust disconnect clutch slip in response to transmission input shaft speed and/or engine combustion events. | 09-18-2014 |
20150038294 | METHOD FOR CONTROLLING A TRANSMISSION COUPLED TO AN ENGINE THAT MAY BE AUTOMATICALLY STOPPED - Methods and systems for controlling a transmission coupled to an engine during an engine start are presented. In one example, a method adjusts a transmission tie-up force in response to an indication of transmission slip. The method may improve vehicle launch for stop/start vehicles. | 02-05-2015 |
20150046049 | METHOD OF OPERATING A TRANSMISSION - A method of controlling a launch clutch during an engine restart event commands a positive torque capacity before the engine reaches idle speed. Early application of the launch clutch reduces the time delay between brake pedal release and vehicle acceleration. To avoid excessive drag on the engine during the restart event, the torque capacity is adjusted using closed loop control. A controller calculates a maximum rate of change of torque capacity based on measured engine speed and an engine acceleration and does not increase the commanded torque capacity faster than the calculated rate. In some circumstances the maximum rate of change may be negative, resulting in a reduction in commanded torque capacity. | 02-12-2015 |
20150105218 | METHOD OF SHIFTING A TRANSMISSION - A method of down-shifting a transmission avoids output shaft oscillations by briefly increasing the torque capacity of an off-going element at the end of the inertia phase. The torque capacity of the off-going element is then reduced to zero when the measured transmission speed ratio begins to decrease. The method is suitable for downshifts that involve multiple off-going elements and multiple on-coming elements such as a shift from tenth gear to sixth gear in a ten speed transmission. | 04-16-2015 |
20150151763 | METHOD FOR OPERATING A VEHICLE POWERTRAIN - Methods and systems for controlling a vehicle powertrain that may be automatically stopped and started are presented. In one example, a method adjusts a position of a transmission clutch in response to battery current during engine cranking The method may reduce clutch wear and improve vehicle launch from a stop. | 06-04-2015 |
20150251667 | Method and System for Warning a Driver of a Motor Vehicle - An apparatus and method for altering the drivability of a vehicle so as to alert a driver of the vehicle of a potentially hazardous condition. The vehicle has at least one sensor configured to detect the potentially hazardous potential. Additionally, the vehicle has a control system for directing a transmission of the vehicle to perform a transmission operation that catches the driver's attention by generating an acceleration or deceleration. The transmission operation is preferably an upshift, a downshift, an unlocking of a torque converter lockup clutch or a locking of the lockup clutch. In one embodiment, the control system directs the transmission to perform more than one transmission operation, the transmission operations defining a transmission operation cycle. In a preferred embodiment, more than one transmission operation cycle is performed. Potentially hazardous conditions include traffic in front of the vehicle, a second vehicle approaching from the rear, an upcoming curve in the road, an approaching speed limit or an upcoming banked portion of the road. | 09-10-2015 |
20150266481 | EXTENDING HYBRID ELECTRIC VEHICLE REGENERATIVE BRAKING - A method for controlling regenerative braking in a hybrid electric powertrain includes using an e-pump to supply fluid to a transmission provided an indication that a torque converter clutch disengagement will occur under current powertrain operating conditions is present, and discontinuing use of the e-pump and using a mechanical pump to supply fluid to the transmission provided the indication that a torque converter clutch disengagement will occur under current powertrain operating conditions is absent. | 09-24-2015 |
20150316145 | DRIVER AWARE ADAPTIVE SHIFTING - An individual driving value is set as a function of an accelerator pedal position. In turn, a powertrain characteristic is set as a function of the individual driving style. The set powertrain characteristic may be modified on the basis of a feedback value corresponding to learned preferences of a driver. The modified powertrain characteristic is then either automatically implemented for operation of a powertrain or communicated as a choice for implementation. The feedback value is updated per a response to automatic implementation or choice communication. | 11-05-2015 |
20150360683 | METHODS AND SYSTEMS FOR OPERATING A DRIVELINE DISCONNECT CLUTCH - Systems and methods for improving operation of a hybrid vehicle are presented. In one example, application of a driveline disconnect clutch to start an engine is described. The approach applies the driveline disconnect clutch to rotate an engine and at least partially disengages the driveline disconnect clutch to reduce the possibility of a reduction in torque applied to vehicle wheels. | 12-17-2015 |
20160023646 | COLD TEMPERATURE ENGINE START - A method of starting a vehicle may include providing power to a motor to spin the motor at a speed at least equal to a target engine cranking speed while a clutch configured to couple an engine and motor is open. The method may also include cutting power to the motor in response to the motor achieving the speed, and locking the clutch to couple the rotating inertias of the motor and a transmission with the engine to start the engine. | 01-28-2016 |
20160031435 | METHODS AND SYSTEM FOR STARTING AN ENGINE OF A HYBRID VEHICLE - Systems and methods for starting an engine of a hybrid vehicle are disclosed. The systems and methods disclosed may apply to series or parallel hybrid driveline configurations. In one example, engine cranking torque may be adjusted in response to a variety of operating conditions so that the engine may be started faster or slower. | 02-04-2016 |
20160032990 | METHODS AND SYSTEM FOR APPLYING A DRIVELINE DISCONNECT CLUTCH - Systems and methods for improving operation of a driveline disconnect clutch for a hybrid vehicle shifting are presented. In one example, pressure of a working fluid supplied to the driveline disconnect clutch is adjusted in response to a rate of change in accelerator pedal position. Further, pressure of the working fluid may be decreased responsive to selected operating conditions. | 02-04-2016 |
20160046281 | METHODS AND SYSTEMS FOR STARTING AN ENGINE - Methods and systems are provided for improving engine restart operations in a hybrid vehicle. While an engine is cranked via motor torque, engine fueling is delayed until the engine speed is sufficiently high and the engine has been rotating in a forward direction continuously for a threshold duration. A disconnect clutch between the engine and motor is slipped while the engine cranks, the clutch engaged only after the engine has run up to the motor speed. | 02-18-2016 |