Abnormality determining apparatus for vehicle motion control...

Details Abnormality determining apparatus for vehicle motion control... Abnormality determining apparatus for vehicle motion control...

2006-11-09

2009-11-24

Nguyen, Tan Q (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Vehicle diagnosis or maintenance indication

C701S034000, C701S038000, C073S117020

Reexamination Certificate

active

07623947

ABSTRACT:
An abnormality determining apparatus is applied to a vehicle motion control apparatus in which a vehicle behavior sensor (yaw rate sensor, etc.) is integrally mounted to an integrated unit that is integrally composed of an HU (hydraulic unit) and ECU. In this abnormality determining apparatus, the pattern of the vibration noise appearing on the output from the vehicle behavior sensor (output from yaw rate sensor Yrfilpc, etc.) is obtained when various actuators such as motor, solenoid valves, or the like, that are mounted to the HU, are operated with a predetermined pattern for a primary check for the HU. When the pattern of the vibration noise is not within the predetermined normal pattern range, it is determined, according to the abnormal manner of the pattern of the vibration noise, that the abnormality of the vehicle behavior sensor, abnormal operation of the actuator in the HU, or the like occurs.

REFERENCES:
patent: 7082357 (2006-07-01), Fujita et al.
patent: 7311314 (2007-12-01), Kasamatsu
patent: 2004/0102888 (2004-05-01), Burgdorf et al.
patent: 2004-506572 (2004-03-01), None

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