Instant detection / diagnosis of abrupt bias fault in signals of

Details Instant detection / diagnosis of abrupt bias fault in signals of Instant detection / diagnosis of abrupt bias fault in signals of

1998-12-22

2000-11-07

Cuchlinski, Jr., William A.

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Vehicle diagnosis or maintenance indication

701 29, 701 43, 34082506, 34082516, 340438, 180170, 303122, 30312205, 303140, 303146, 303147, G01R 2300

Patent

active

061449040

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.

REFERENCES:
patent: 4041470 (1977-08-01), Siane et al.
patent: 5457632 (1995-10-01), Tagawa et al.
patent: 5707117 (1998-01-01), Hu et al.
patent: 6014598 (2000-01-01), Duyar et al.

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