Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Vehicle subsystem or accessory control
Patent
1995-10-02
1997-09-16
Chin, Gary
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Vehicle subsystem or accessory control
180446, B62D 504
Patent
active
056687222
ABSTRACT:
An electric power steering control apparatus comprising a torque sensor coupled to a vehicle steering system for measuring steering wheel torque provided by a vehicle operator, a steering angle sensor coupled to the steering system for measuring steering wheel angle, a controller, responsive to the measured steering wheel torque and a vehicle speed, providing a sum return-to-center command, and a motor responsive to the sum return-to-center command, wherein the controller determines a low speed return-to-center command responsive to the measured steering wheel torque and a first predetermined function, determines a high speed return-to-center command responsive to the measured steering wheel torque and a second predetermined function and blends the low and high speed return-to-center commands to obtain the sum return-to-center command.
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Chandy Ashok
Collier-Hallman Steven James
Kaufmann Timothy Wesley
Chin Gary
General Motors Corporation
Simon Anthony Luke
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