Fluid-pressure and analogous brake systems – Speed-controlled – Specific mu determination
Patent
1997-05-09
1999-07-06
Butler, Douglas C.
Fluid-pressure and analogous brake systems
Speed-controlled
Specific mu determination
188181T, 303112, 303163, B60T 860
Patent
active
059189517
ABSTRACT:
A brake control system for controlling an amount of braking force applied to a wheel of a vehicle running on a surface, comprising a sensor for measuring a speed of the wheel and for providing an output signal indicative of the speed; and a controller, operatively coupled to the sensor, which implements a Kalman filter to estimate an amplitude and location of a peak in a mu-slip curve representative of a coefficient of friction between the wheel and the surface based on the output signal of the sensor, and which controls the amount of braking force applied to the wheel based on the amplitude and location of the peak.
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du Plessis, "Poor Man's Explanation of Kalman Filtering" Autonetics Division, Rockwell International; date unknown.
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Mark L. Akey, "Fuzzy logic, anti-skid control for commercial trucks" Magnavox Decision support systems Applied Center of Excellence, Fort Wayne, Indiana SPIE vol. 2493, Mar. 1995, pp. 359-370.
Butler Douglas C.
Romanchik Richard A.
Saralino Mark D.
The B.F. Goodrich Company
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