21
Christopher E Whitney, Mark D Carr, Jeffrey M Kaiser, Michael J Pitsch, Bahram Younessi: Cylinder fueling coordination for torque estimation and control. July 20, 2010: US07757666 (6 worldwide citation)

An engine control system comprises a torque control module and a fueling control module. The torque control module selectively generates a deactivation signal for a first cylinder of a plurality of cylinders of an engine based on a torque request. The fueling control module halts fuel delivery to th ...


22
Christopher E Whitney, Poh Fong Chin, William L Aldrich III, Anthony H Heap, Jeffrey M Kaiser, Jun Lu: Pumping loss reduction systems and methods. December 27, 2011: US08086390 (5 worldwide citation)

An engine control system comprises a base air per cylinder (APC) module, a catalyst temperature adjustment module, an ambient temperature adjustment module, and an APC adjustment module. The base APC module determines a base APC to reduce first engine pumping losses during a first deceleration fuel ...


23
Jeffrey M Kaiser, Michael Livshiz, Christopher E Whitney: Torque based crank control. Harness Dickey & Pierce, October 20, 2009: US07606652 (5 worldwide citation)

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 ...


24
Michael Livshiz, Jeffrey M Kaiser, Christopher R Graham, Christopher E Whitney, Robert Francis Semrau, Brian D Francis: Torque reserve and emission control system for coordinated torque control. February 1, 2011: US07878175 (4 worldwide citation)

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 ...


25
Christopher E Whitney, Jeffrey M Kaiser, Dennis A Light, Anthony H Heap, Honghao Tan: Method for controlling internal combustion engines in hybrid powertrains. GM Global Technology Operations, Quinn Law Group PLLC, January 29, 2013: US08364373 (3 worldwide citation)

A method of operating a hybrid powertrain having an internal combustion engine monitors a throttle intake pressure and calculates a first torque capacity from a pressure model using the throttle intake pressure as an input. The method determines a maximum expected air mass from the monitored throttl ...


26
Michael Livshiz, Jeffrey M Kaiser, Ronald W Van Diepen: System and method for controlling engine torque. September 24, 2013: US08540606 (3 worldwide citation)

An engine control system for a vehicle includes a power request determination module, a desired speed determination module, and a torque control module. The power request determination module determines a power request for an engine based on a request from a driver of the vehicle and a speed of the ...


27
Michael Livshiz, Jeffrey M Kaiser, Michael J Pitsch, Michael L Waterman, Pahngroc Oh: Engine control systems and methods. October 22, 2013: US08566002 (3 worldwide citation)

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 ...


28
Christopher E Whitney, Jeffrey M Kaiser, Per Andersson, Timothy L Gibbs: Turbocharger boost control systems and methods for gear shifts. GM Global Technology Operations, March 3, 2015: US08967118 (2 worldwide citation)

A method includes: retarding spark timing relative to a predetermined spark timing when an engine torque output reduction is requested for a gear shift; estimating a first torque output of an engine based on N cylinders of the engine being fueled, an engine speed, an air per cylinder (APC), and the ...


29
Christopher E Whitney, Richard B Jess, Jeffrey M Kaiser, Weixin Yan, Michael Livshiz, Robert C Simon Jr, Leonard G Wozniak: Full range torque reduction. October 26, 2010: US07822528 (2 worldwide citation)

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 s ...


30
Wenbo Wang, Layne K Wiggins, Jeffrey M Kaiser, Chao F Daniels: Method and apparatus for operating an engine using an equivalence ratio compensation factor. September 17, 2013: US08538659 (1 worldwide citation)

A control system and method of controlling operation of an internal combustion engine includes a load determination module that determines an engine load, an equivalence ratio module that determines an equivalence ratio, a correction factor module that generates a correction factor based on the engi ...