1
Robert C Simon Jr, Christopher E Whitney, Leonard G Wozniak: Method and apparatus for arbitrating torque reserves and loads in torque-based system. October 15, 2013: US08560204 (21 worldwide citation)

An engine control system includes an air control module, a spark control module, and a reserves module. The air control module controls a throttle valve of an engine based on an adjusted predicted torque request. The spark control module controls spark timing of the engine based on an adjusted immed ...


2
Jaehak Jung, Louis A Avallone, Christopher E Whitney, Leonard G Wozniak, Klaus Pochner, Jeffrey M Kaiser: Power enrichment scheduling for coordinated torque control system. April 13, 2010: US07698048 (16 worldwide citation)

A control system for an engine of a vehicle includes a requested torque module that determines a first requested torque based on an accelerator pedal position and a current engine torque output capacity. An accelerator effective position module determines an accelerator effective position based on a ...


3
Robert C Simon Jr, Leonard G Wozniak, Michael Livshiz, Christopher E Whitney, Charles H Folkerts, Scott J Chynoweth, David J Stroh: Association of torque requesting modules in a coordinated torque architecture. June 5, 2012: US08195370 (10 worldwide citation)

A powertrain control system for a vehicle includes a plurality of axle torque request modules that generate respective axle torque requests based on respective performance criteria of a vehicle, an axle torque arbitration module that generates a net axle torque request based on the plurality of axle ...


4
David J Stroh, Robert C Simon Jr, Leonard G Wozniak, William R Cawthorne: Accelerator/brake pedal management for torque-based engine control. February 22, 2011: US07894968 (9 worldwide citation)

A method and system for regulating a drive torque provided to a driveline of a vehicle includes monitoring an accelerator pedal position and a brake pedal position. An adjusted accelerator pedal position is determined based on the accelerator pedal position and the brake pedal position and a drive t ...


5
William L Aldrich III, Glenn P O Connell, Michael L Velliky, Leonard G Wozniak, Richard E Parsons Jr: Transmission load modeling for engine idle speed control. General Motors Corporation, Christopher DeVries, February 22, 2005: US06857987 (9 worldwide citation)

An idle speed compensation system for a vehicle includes an idle speed control system that varies airflow to an engine at idle and a transmission driven by the engine. A controller communicates with the idle speed control system, the engine, and the transmission. The controller generates an idle spe ...


6
William R Cawthorne, Mario V Maiorana Jr, Jy Jen F Sah, Sean E Gleason, Gregory A Hubbard, Leonard G Wozniak, Matthew T Boyle, Anthony H Heap, Aniket Kothari: Control system architecture for a hybrid powertrain. GM Global Technology Operations, May 26, 2009: US07537542 (8 worldwide citation)

A control apparatus for a powertrain system comprising an engine and two electrical machines operably coupled to a two-mode compound-split electro-mechanical transmission is provided. It includes a system controller and two motor control processors. The system controller communicates with the motor ...


7
Douglas J Babcock, Leonard G Wozniak: Hybrid powertrain torque control. GM Global Technology Operations, April 27, 2010: US07704185 (8 worldwide citation)

A method of regulating a torque output of each of an internal combustion engine (ICE) and an electric machine (EM) in a hybrid powertrain system includes determining a desired axle torque of the hybrid powertrain system and arbitrating the desired axle torque and a first plurality of torque requests ...


8
William R Cawthorne, Leonard G Wozniak, Paul A Stanowski, Hanne Buur: Method and apparatus to monitor output of an electro-mechanical transmission. GM Global Technology Operations, December 13, 2011: US08078371 (6 worldwide citation)

Controlling a hybrid powertrain includes monitoring an operator torque request, determining maximum and minimum allowable transmission output torques based upon the operator torque request, determining a commanded transmission output torque, and comparing the commanded transmission output torque and ...


9
William R Cawthorne, Leonard G Wozniak: Vehicle transmission shift inhibit method and apparatus. GM Global Technology Operations, Quinn Law Group PLLC, June 7, 2011: US07957873 (4 worldwide citation)

A control method is provided including detecting transmission output speed and a forward and reverse shift request, and executing inhibit limits when the detected speed exceeds a predetermined threshold speed. The inhibit limits slow the output speed to zero upon detection of a shift request at outp ...


10
Robert C Simon Jr, Leonard G Wozniak, David J Stroh: Axle torque based powertrain braking with range selection for coordinated torque control (CTC). GM Global Technology Operations, Christopher DeVries, May 22, 2007: US07222012 (4 worldwide citation)

A powertrain braking system for a vehicle includes an powerplant that can be regulated to provide a desired powerplant torque and a transmission that transfers the desired powerplant torque at one of a plurality of gear ratios to provide a desired axle torque. A control module calculates an axle tor ...