System for detecting abnormality of yaw rate sensor and lateral

Details System for detecting abnormality of yaw rate sensor and lateral System for detecting abnormality of yaw rate sensor and lateral

1998-08-24

2000-03-14

Raevis, Robert

Measuring and testing

Instrument proving or calibrating

Speed, velocity, or acceleration

B60T 832

Patent

active

060356936

ABSTRACT:
Abnormality of a yaw rate sensor, including a state in which the neutral point is normal, but the sensitivity is abnormal, is detected with high accuracy, irrespective of the situation of a road surface traveled. A lower one of an output from a dividing device for dividing a vehicle speed detected by the vehicle speed detecting device by a minimum radius of turning of a vehicle and an output from a dividing device for dividing a gravitational acceleration by the vehicle speed detected by the vehicle speed detecting device, is selected in a low-select device. It is determined in an abnormality determining device that the yaw rate sensor is abnormal when a yaw rate detected by the yaw rate sensor exceeds a value selected in the low-select device.

REFERENCES:
patent: 5219212 (1993-06-01), Shimada et al.

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