Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1992-08-03
1994-08-02
Oberleitner, Robert J.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
303100, 3031134, 3031162, 3031152, 36442602, B60T 870
Patent
active
053339444
ABSTRACT:
An electrically controlled brake system including a brake operating member, a first detector for detecting an operating amount of the brake operating member, a braking device braking a wheel of a vehicle, a second detector for detecting an actual braking effect provided by the braking device, and a controller for controlling the braking device. The second detector detects the actual braking effect in the form of a positive value when the vehicle is running in one of a forward and a backward direction, and in the form of a negative value when the vehicle is running in the other of the forward and backward directions. The controller determines a positive value as a target braking effect based on the detected operating amount of the brake operating member, and controls the braking device such that an absolute value of the detected actual braking effect coincides with the positive value of the determined target braking effect.
REFERENCES:
patent: 3790225 (1974-02-01), Wehde
patent: 4768841 (1988-09-01), Watanabe
patent: 4812777 (1989-03-01), Shrai
patent: 5040852 (1991-08-01), Takata
Katsuno Sumio
Shirai Kenji
Oberleitner Robert J.
Toyota Jidosha & Kabushiki Kaisha
Young Lee W.
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