Fluid-pressure and analogous brake systems – Speed-controlled – Split coefficient of friction
Patent
1994-04-28
1996-03-12
Graham, Matthew C.
Fluid-pressure and analogous brake systems
Speed-controlled
Split coefficient of friction
303154, 303156, 303158, 303164, B60T 832
Patent
active
054980712
ABSTRACT:
The present invention relates to an improved antiskid control apparatus for vehicles. When the front wheel on either one of the right and left sides is antiskid-controlled, this apparatus detects whether the road surface is in the condition of split .mu. in which the road surface friction coefficient is different between the right and left wheels by more than the prescribed value. When the road surface is found to have a split .mu. condition, antiskid control should be implemented on the front wheel mentioned above. To control the rise in brake fluid pressure, the other front wheel must then be shifted in whatever direction facilitates control of the threshold value. In other words, even if a wheel does not attain a sufficient coefficient of surface friction, antiskid control is needed to control easily the rise in brake fluid pressure. A large side force is applied continuously to the vehicle, thereby reducing slippage and cancelling the yaw moment.
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Oikawa Hirotaka
Takayama Toshio
Graham Matthew C.
Tokico Ltd.
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