Brake valve control method

Details Brake valve control method Brake valve control method

1997-06-19

2000-04-04

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Speed-controlled

Wheel pressure delay compared to reference

30312206, 30312207, 303156, 303168, 701 76, B60T 834

Patent

active

060451998

ABSTRACT:
A brake valve control method to control the operation of the brake valves is provided in which an error check can be made with one arithmetic logic unit. Signals from a wheel speed sensor are processed to compute the respective wheel speed, and signals from the wheel speed sensor are counted for a prescribed period to derive an approximate wheel speed. If the difference between the wheel speed and the approximate wheel speed is less than or equal to a threshold value, then processing to control the valves is continued; if the difference is greater than a threshold value, then processing to control the valves is suspended.

REFERENCES:
patent: 4669046 (1987-05-01), Kubo

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