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Control system and method for a hybrid electric vehicle

United States Patent

March 6, 2001
View the Complete Patent at the US Patent & Trademark Office
National Renewable Energy Laboratory - Visit the NREL Technology Transfer Website
Several control methods are presented for application in a hybrid electric vehicle powertrain including in various embodiments an engine, a motor/generator, a transmission coupled at an input thereof to receive torque from the engine and the motor generator coupled to augment torque provided by the engine, an energy storage device coupled to receive energy from and provide energy to the motor/generator, an engine controller (EEC) coupled to control the engine, a transmission controller (TCM) coupled to control the transmission and a vehicle system controller (VSC) adapted to control the powertrain.
Tamor; Michael Alan (Toledo, OH)
Ford Global Technologies, Inc. (Dearborn, MI)
09/ 394,373
September 10, 1999
This invention was made with Government support under Prime Contract No. DE-AC3683CH10093, Subcontract No. ZCB-4-13032-02, awarded by the Department of Energy. The Government has certain rights in the invention.