Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1992-03-20
1993-05-04
Butler, Douglas C.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
303102, 303111, 188181A, B60T 832
Patent
active
052074838
ABSTRACT:
The invention relates to an anti-skid control system for an automotive vehicle, which includes devices provided independently for respective wheels of the vehicle and for controlling the brake fluid pressure of respective wheels, device for detecting a vehicle speed and a rotation speed of the wheel and deriving slip ratio on the wheel on the basis of the detected values, device for detecting actual yawing angular acceleration on the vehicle, device for setting a target value of the slip ratio on the wheel based on the yawing angular acceleration for each wheel independently of the other, and control signal unit for providing the control signal to the brake fluid pressure controlling unit so as to adjust the derived slip ratio toward the target value.
REFERENCES:
patent: 4489382 (1984-12-01), Jonner et al.
JP-A-1-208256, Abstract, Aug. 22, 1989, Sugitani.
JP-A-63-106168, Abstract, May 11, 1988, Onoki.
JP-A-64-16912, Abstract, Jan. 20, 1989, Kumasaka.
JP-A-64-1906, Abstract, Jan. 6, 1989, Araki.
Horikoshi Shigeru
Monji Tatsuhiko
Shimada Kousaku
Sugawara Hayato
Butler Douglas C.
Hitachi , Ltd.
Hitachi Automotive Engineering Co. Ltd.
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