Boots – shoes – and leggings
Patent
1994-07-25
1996-01-16
Teska, Kevin J.
Boots, shoes, and leggings
36442604, B60T 888, G06F 1516
Patent
active
054853796
ABSTRACT:
A method and apparatus for detecting the proper functioning of an ABS control unit which utilizes substantially identical programmed microprocessors which calculate mismatched wheel speed and extended control loop time. When computed wheel velocities are above 10 mph, each of the microprocessors determines whether the difference in computed wheel velocity between the two microprocessors is at least 2 mph. If the difference is more than 2 mph for more than 6 consecutive program loops, a mismatched wheel speed calculation error is identified. With respect to the second diagnostic control algorithm, each of the microprocessors determines whether the loop time in either microprocessor is extended by 1/2 milliseconds or more and, if this condition exists for 4 consecutive program loops, the proper diagnostic response is to set an ignition latch code which triggers an inhibit signal.
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patent: 4493210 (1985-01-01), Fries et al.
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patent: 4777611 (1988-10-01), Tashiro et al.
patent: 5001641 (1991-03-01), Makino
patent: 5193886 (1993-03-01), Gloceri
Kelsey Hayes Company
Nguyen Tan Q.
Teska Kevin J.
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