Fluid-pressure and analogous brake systems – Speed-controlled – With yaw control
Patent
1997-05-09
2000-06-06
Graham, Matthew C.
Fluid-pressure and analogous brake systems
Speed-controlled
With yaw control
303140, B60T 824, B60T 848, B60T 860
Patent
active
060709529
ABSTRACT:
The present invention is directed to a braking force control system for an automotive vehicle having a hydraulic braking pressure control apparatus which is provided for applying the braking force to each of front and rear wheels of the vehicle at least in response to depression of a brake pedal. A desired yaw rate is set in accordance with a motion of the vehicle, and an actual yaw rate of the vehicle is measured. A varying rate of the desired yaw rate is calculated, and a varying rate of the actual yaw rate is calculated. Then, a deviation between the varying rate of the desired yaw rate and the varying rate of the actual yaw rate is calculated. And, a limitation unit is provided for actuating the hydraulic braking pressure control apparatus to limit the varying rate of the actual yaw rate by applying the braking force to at least one of the wheels, when the deviation exceeds a predetermined value. The limitation unit may be so constituted as to apply the braking force to a front wheel of the wheels which is located on the outside of a curve in the vehicle's path.
REFERENCES:
patent: 4898431 (1990-02-01), Karnopp et al.
patent: 5333058 (1994-07-01), Shiraishi et al.
patent: 5494345 (1996-02-01), Inagaki et al.
patent: 5732377 (1998-03-01), Eckert
Fukami Masanobu
Itoh Takayuki
Tozu Kenji
Yamazaki Norio
Yasui Yoshiyuki
Aisin Seiki Kabushiki Kaisha
Graham Matthew C.
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