Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1993-08-16
1994-04-19
Graham, Matthew C.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
3031135, 303103, B60K 3100, B60T 864
Patent
active
053039890
ABSTRACT:
A vehicle dynamic characteristic control apparatus for use with an automotive vehicle supported on a pair of front wheels and a pair of rear wheels. The apparatus comprises a first unit for controlling a steering angle of one of the wheel pairs, a second unit for controlling braking forces to be applied to left and right wheels of at least one of the wheel pairs, and a third unit coupled to the sensor means for controlling the first and second units. The third unit calculates a target value for a dynamic parameter related to a motion of the vehicle based upon the sensed vehicle operating conditions. The third unit controls the first unit to bring the dynamic parameter to the target value. In the presence of vehicle braking, the third unit calculates changes in cornering powers of the respective wheel pairs and controls the second unit to provide a difference between the braking force applied to the left wheel and the braking force applied to the right wheel so as to cancel an influence of the cornering power changes on the dynamic parameter.
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Ito Ken
Yasuno Yoshiki
Graham Matthew C.
Nissan Motor Co,. Ltd.
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