Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1992-10-21
1994-04-12
Oberleitner, Robert J.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
303 93, B60T 800
Patent
active
053020090
ABSTRACT:
The adherence of a wheel to a braking track is defined by a point of operation that is variable on an adherence curve as a function of the slip of the wheel. In operation, the braking torque servo control parameter utilized is the sign of the variation of the slope of the adherence curve at the above-mentioned point of operation. The braking torque is servo-controlled in such a way that this point of operation is the same as the point of maximum adherence of the adherence curve.
REFERENCES:
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patent: 4750124 (1988-06-01), Lin et al.
patent: 4761741 (1988-08-01), Agarwal et al.
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patent: 4862368 (1989-08-01), Kost et al.
patent: 5135290 (1992-08-01), Cao
Tan, et al., Proceedings of the 1990 American Control Conference, vol. 2, May 23, 1990, pp. 1856-1861, "An Adaptive Sliding Mode Vehicle Traction Controller Design".
"Thomson-CSF"
Ballato Josie A.
Oberleitner Robert J.
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