Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1991-06-28
1993-07-20
Graham, Matthew C.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
303 92, 303 962, 36442601, B60T 864
Patent
active
052287572
ABSTRACT:
A control system for a wheeled vehicle, comprises a brake actuator for controlling a behavior of the vehicle during braking by producing a braking force difference between a left wheel braking force and a right wheel braking force in response to a control signal, a sensor for sensing an actual vehicle motion variable such as a yaw rate, and a controller for controlling the vehicle motion by producing the control signal. The controller determines an estimated vehicle motion variable from a driver's steering command by using one or more predetermined estimator transfer characteristics, compares the sensed and estimated vehicle motion variables to determine a deviation therebetween, and determines the magnitude of the control signal so as to reduce the deviation by using a predetermined compensator transfer characteristic and a predetermined filter transfer characteristic for filtering the deviation.
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K. Ito, et al., "A New Way of Controlling a Four Wheel Steering Vehicle", Keisokujidoseigyogakkai Ronbunshu, vol. 23, No. 8, pp. 48-54.
Ito Ken
Yasuno Yoshiki
Graham Matthew C.
Nissan Motor Co,. Ltd.
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