Fluid-pressure and analogous brake systems – Speed-controlled – And traction control
Patent
1994-09-07
1996-04-30
Butler, Douglas C.
Fluid-pressure and analogous brake systems
Speed-controlled
And traction control
303177, 303191, 180197, B60T 824
Patent
active
055118658
ABSTRACT:
An apparatus for attenuating wheel speed variation during periods of brake intervention traction control is provided. The speed of the or each driven wheel is monitored and the braking force applied to the or each driven wheel is controlled in accordance with the wheel speed and wheel acceleration. Braking force may be increased when a rate of change of wheel acceleration is increasing and the wheel is accelerating (i.e. between periods B and C of FIG. 5c); whereas braking force may be decreased when the rate of change of wheel acceleration is decreasing and the wheel is decelerating (i.e. between periods D and E of FIG. 5c).
REFERENCES:
patent: 4681373 (1987-07-01), Nomura et al.
patent: 4962824 (1990-10-01), Hagiya et al.
patent: 5003481 (1991-03-01), Matsuda
patent: 5117934 (1992-06-01), Tsuyama et al.
patent: 5169213 (1992-12-01), Matsuda et al.
Butler Douglas C.
Lucas Industries Public Limited Company
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