Apparatus for controlling an electric power steering system

Details Apparatus for controlling an electric power steering system Apparatus for controlling an electric power steering system

2005-04-26

2005-04-26

Nguyen, Thu V. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Vehicle subsystem or accessory control

Reexamination Certificate

active

06885927

ABSTRACT:
An apparatus for controlling an electric power steering system is provided, which has a microcomputer for determining a signal for target current, the other microcomputer for determining a signal for motor control, a motor drive circuit for driving a brushless motor. The apparatus has a feature that the microcomputers can back up each other in controlling an electric power steering system even if failure occurs in one of the microcomputers.

REFERENCES:
patent: 20020177932 (2002-11-01), Kifuku et al.
patent: 20030144780 (2003-07-01), Recker et al.

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