Method for defect detection in rotational speed sensors

Details Method for defect detection in rotational speed sensors Method for defect detection in rotational speed sensors

1997-06-04

1999-07-13

Strecker, Gerard

Electricity: measuring and testing

Electrical speed measuring

30312205, 324161, 324162, 324503, 702148, 702185, G01P 2102, G01P 356, B60T 888, G01R 3102

Patent

active

059231637

ABSTRACT:
At certain operating points, a plausibility test of the detected rotational speed signals is used to recognize an existing defect. The operating point for implementing the plausibility test is determined when it is detected that the motor vehicle has accelerated. The operating point at which defects in speed sensors are detected is determined in a simple manner but in such a way that any defect which may be present can be recognized reliably.

REFERENCES:
patent: 4808920 (1989-02-01), Brauninger et al.
patent: 4972145 (1990-11-01), Wood et al.
patent: 5095269 (1992-03-01), McNinch, Jr.
patent: 5650718 (1997-07-01), Stuible et al.

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