1
Heap Anthony H, Tamai Goro, Thompson Scott J: Method for electric power boosting in a powertrain system. Gm Global Tech Operations, May 6, 2009: EP2055563-A2 (1 worldwide citation)

A powertrain system is operative to transfer power between an input member (12) and a plurality of power actuators (56,72) and an output member (64) to generate an output torque. The power actuators (56,72) are connected to an energy storage device (74). A method for controlling the powertrain syste ...


2
Tamai Goro: Anti-rollback control via grade information for hybrid and conventional vehicles. Gen Motors, cai minjun, May 31, 2006: CN200510127003

A vehicle control system reduces vehicle rollback upon brake release. The control system includes a brake system, a vehicle grade measurement device and a controller that modulates applied brake pressure of the brake system based on a grade measurement of the grade measurement device. The controller ...


3
Tamai Goro: Deceleration rate based engine spin control and engine off functionality. Gen Motors, cai minjun, June 28, 2006: CN200510129700

A hybrid vehicle that includes an engine and an electric machine that selectively drives the engine. A control module monitors a deceleration rate of the vehicle and regulates fueling of the engine based on the deceleration rate. The control module regulates rotation of a crankshaft of the engine ba ...


4
Tamai Goro, Hoang Tony T: Engine spin-up control with natural torque smoothing. Gen Motors, zhou beilin, August 2, 2006: CN200610006970

A hybrid vehicle includes an engine having at least one cylinder and an electric machine that drives the engine during a start-up period. A control module monitors a rotational speed of the engine and regulates torque generated by the electric machine based on the rotational speed during the start-u ...


5
Zettel Andrew M, Frisch Damon R, Jeffers Mary A, Tamai Goro, Koch Brian J: On-board battery refresh charging. Gen Motors, cheng tianzheng chen jingjun, August 16, 2006: CN200610007153

A refresh control system that selectively initiates a refresh charge cycle includes an energy storage device and an electric machine that is operable to charge the energy storage device. A control module monitors a usage period of the energy storage device and determines a bias factor. The control m ...


6
Tamai Goro, Worthing James L, Bhattarai Birendra P: Wheel slip control system. Gm Global Technology Operation, caimin jun liaoling ling, May 9, 2007: CN200610143220

A wheel slip control system includes wheel speed sensors that generate wheel speed signals and a control module that controls torque production of at least one of an engine and an electric motor and that detects a negative wheel slip based on the wheel speed signals. The control module increases tor ...


7
Tamai Goro, Bhattarai Birendra P, Hoang Tony T: Fuel delivery control system. Gm Global Technology Operation, yuan chaohui liu hualian, February 28, 2007: CN200610126205

A fuel delivery control system includes a vehicle speed sensor that generates a vehicle speed signal and an engine rotational speed sensor that generates an engine rotational speed signal. A control module calculates at least one of an accelerator release delay period and a brake depression delay pe ...


8
Tamai Goro, Aldrich William L Iii: Method of starting a hybrid vehicle. Gm Global Technology Operation, zhoubei lin yangsong ling, May 30, 2007: CN200610149313

A method of performing a first start of an internal combustion engine of a hybrid electro-mechanical vehicle includes activating an auxiliary power module prior to the engine starting to direct power stored in a high voltage battery (used for powering the motor/generator(s) on the hybrid vehicle) th ...


9
Tamai Goro, Aldrich Iii William L, Epperly Nathaniel S: Intake manifold pressure control apparatus and method for a hybrid propulsion system. Gm Global Technology Operation, yuanchao hui liaoling ling, May 30, 2007: CN200610149315

Provided is an intake manifold pressure control apparatus, or vacuum pump, for a hybrid propulsion system. The vacuum pump is operable to evacuate the intake manifold of an internal combustion engine, thereby lowering the Manifold Absolute Pressure, or MAP, to a predetermined level to enable a quick ...


10
Schulz Steven E, Tamai Goro, Hiti Silva: Harmonic torque ripple reduction at low motor speeds. GM Global Tech Operations, Wen Dapeng, Liu Hualian, October 28, 2009: CN200910132150

The invention relates to harmonic torque ripple reduction at low motor speeds. Methods and systems are provided for reducing torque ripple in an electric motor. A method comprises receiving a torque command and determining a cancellation current command based on the torque command. The method furthe ...



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