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Michael Livshiz, Jeffrey M Kaiser, Christopher E Whitney, John A Jacobs, Richard B Jess: Engine torque control. December 21, 2010: US07856304 (1 worldwide citation)

A method of achieving a desired torque output of an internal combustion engine includes determining a first air-per-cylinder (APC) value based on a first APC relationship and determining a second APC value based on a second APC relationship. An APC error is determined based on the second APC value. ...


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Michael L Kociba, Richard B Jess, Zhong Li, Jeffrey M Kaiser, Michael Livshiz: Linear tranformation engine torque control systems and methods for increasing torque requests. October 8, 2013: US08550054 (1 worldwide citation)

A method of operating an engine of a vehicle includes generating a first torque request. The method includes generating a second torque request that is greater than and based on the first torque request, increasing a torque output of the engine based on the second torque request at a first rate and ...


33
Layne K Wiggins, Michael Livshiz, Jeffrey M Kaiser, Henrik Nordin: Torque control system with scavenging. January 18, 2011: US07870843 (1 worldwide citation)

An engine control system includes a scavenging module that generates a scavenging signal when both a driver torque request is greater than a predetermined torque threshold and a rotational speed of an engine crankshaft is less than a predetermined speed threshold. A cam phaser control module control ...


34
Michael Livshiz, Christopher E Whitney, Jeffrey M Kaiser, Todd R Shupe, Scott J Chynoweth, Lan Wang: Method of torque integral control learning and initialization. August 31, 2010: US07788024 (1 worldwide citation)

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 ...


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Christopher E Whitney, Jon C Miller, Robert C Simon Jr, Michael Livshiz, Jeffrey M Kaiser, Todd R Shupe, Mark D Carr: Airflow-based crank throttle control in a torque-based system. March 19, 2013: US08397694 (1 worldwide citation)

A method of torque-based control for an internal combustion engine may include determining a desired airflow rate into an intake manifold of the internal combustion engine during an engine start condition, determining a torque limit for a torque-based engine control module based on the desired airfl ...


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Christopher E Whitney, Mark A Schang, Jeffrey M Kaiser, Andrew W Baur, Ning Jin: System and method of controlling crankshaft torque during a transmission shift with torque capacity-based torque reduction range selection. GM Global Technology Operations, Quinn Law Group PLLC, April 15, 2014: US08696517 (1 worldwide citation)

A control system for use with an engine and a transmission in a vehicle is provided that includes at least one controller having a processor with at least one stored algorithm that determines different crankshaft torque capacities associated with different respective torque actuators including a rel ...


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Kevin T Sharples, Mark H Costin, Timothy J Hartrey, Christopher E Whitney, Bahram Younessi, Weixin Yan, Jeffrey M Kaiser, Richard B Jess, Joseph M Stempnik, John A Jacobs, Jinchun Peng, Leonard G Wozniak, Vivek Mehta, Bruce A Rogers: Securing throttle area in a coordinated torque control system. May 22, 2012: US08181627 (1 worldwide citation)

An engine system includes a throttle actuator module and a torque control module. The throttle actuator module controls a throttle actuator based on a desired throttle area. The torque control module determines an actuator torque. The torque control module determines a rate limited torque, a maximum ...


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Christopher E Whitney, William L Aldrich III, Jeffrey M Kaiser, Daniel J Wickman, Scott A Hearld: Driveline stiffness control systems and methods. January 7, 2014: US08626411 (1 worldwide citation)

A control system for a vehicle, comprises a torque determination module, a control module, and a transmission control module. The torque determination module determines torque produced by an internal combustion engine. The control module sets a signal to an active state when the torque is greater th ...


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Jeffrey M Kaiser, Timothy L Gibbs, Zhong Li, James L Worthing: Control system and method for coordinating throttle and boost. GM Global Technology Operations, February 23, 2016: US09267449

An engine control system according to the principles of the present disclosure includes a manifold air pressure (MAP) determination module, a boost control module, and a throttle control module. The MAP determination module determines a desired MAP based on a driver torque request. The boost control ...


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Karl T Kiebel, Stefan E Lindner, Jeffrey M Kaiser: Spark control systems and methods for engine torque estimation. GM Global Technology Operations, January 17, 2017: US09545909

A spark control module, for an engine speed and an engine load: for a first predetermined period, supplies spark to each cylinder of the engine at a predetermined spark timing set for the engine speed and the engine load. For a second period following the first predetermined period, the spark contro ...