Sensor malfunction detection

Details Sensor malfunction detection Sensor malfunction detection

1992-04-29

1994-08-30

Black, Thomas G.

Boots, shoes, and leggings

36442602, 36442403, 303 92, G01M 1900, G06F 1520, B60T 1722

Patent

active

053433963

ABSTRACT:
A method for checking and controlling the quality of output signals from wheel speed sensors installed on wheels of vehicles equipped with an automatic braking system includes determining from sensed wheel speeds the deceleration of a wheel, timing any period of deceleration the level of which is above a predetermined level, defining any wheel speed sensor associated with a wheel having an indicated deceleration above the predetermined level for a time exceeding a predetermined period as being malfunctioning, excluding the output signals from the malfunctioning wheel speed sensor, and replacing the excluded output signals with output signals from a wheel speed sensor installed on an alternate wheel.

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