Methods, systems, and computer program products for...

Details Methods, systems, and computer program products for... Methods, systems, and computer program products for...

2006-11-08

2010-11-16

To, Tuan C (Department: 3663)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Vehicle subsystem or accessory control

C340S465000, C180S421000, C180S197000, C180S446000

Reexamination Certificate

active

07835836

ABSTRACT:
A method, system, and computer program product for calculating a torque overlay command in a steering control system is provided. The method includes receiving a current hand wheel angle, receiving a change in vehicle yaw moment command, and calculating a lateral force in response to the change in vehicle yaw moment command. The method also includes determining a new tire side slip angle from the lateral force and calculating a commanded hand wheel angle from the new tire side slip angle. The method further includes calculating an error signal as a difference between the commanded hand wheel angle and the current hand wheel angle, and generating a torque overlay command from the error signal.

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