Fluid-pressure and analogous brake systems – Speed-controlled – With yaw control
Reexamination Certificate
2006-08-22
2006-08-22
Williams, Thomas (Department: 3683)
Fluid-pressure and analogous brake systems
Speed-controlled
With yaw control
C303S152000
Reexamination Certificate
active
07093912
ABSTRACT:
The present invention is a method and system to control regenerative braking during the operation of a yaw stability control system. The method and system use feedback control algorithms to monitor and dynamically modify regenerative and non-regenerative braking. The controller can use a simple proportional-integral-derivative feedback controller. A vehicle yaw stability control system can determine if a vehicle is experiencing an oversteer or understeer condition. The controller compares actual brake balance to a desired brake balance. The controller determines if the front axle wheels are overbraked relative to the rear axle wheels or if the rear axle wheels are overbraked relative to the front axle wheels as compared to the desired brake balance. The controller can adjust regenerative braking and non-regenerative braking levels according to the determinations.
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Brown Todd Allen
Schneider Michael John
Artz and Artz
Ford Motor Company
Kelley David B.
Williams Thomas
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