Instant detection / diagnosis of abrupt bias fault in signals of vehicle motion sensors
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United States of America Patent
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Nov 7, 2000
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N/A
app pub date -
Dec 22, 1998
filing date -
Dec 22, 1998
priority date (Note) -
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Abstract
A system and method for enabling an abrupt bias fault in a vehicle motion sensor (24), such as a yaw rate sensor or a lateral acceleration sensor to be both quickly and accurately diagnosed. When a potential fault is first indicated, it is signaled as true only if the vehicle is in a stable state and vehicle vibration is ruled out as a cause of abrupt signal change. Processing of signals is conducted by microprocessor.
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