Power steering system

Details Power steering system Power steering system

2005-02-15

2005-02-15

Cuchlinski, Jr., William A. (Department: 2144)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Vehicle subsystem or accessory control

C701S044000, C180S006200, C180S006280, C180S006500, C180S422000, C180S423000, C180S421000

Reexamination Certificate

active

06856870

ABSTRACT:
A power steering system capable of giving a driver no discomfort even when an incoming current instruction value sharply decreases. The power steering system comprises a controller C for determining a solenoid current instruction value SI on the basis of a current instruction value I1in accordance with a steering angle supplied from a steering angle sensor, a current instruction value I2in accordance with a steering angular velocity, and a current instruction value in accordance with a vehicle speed. The controller C comprises a delay control section for reducing the rate of decrease only when the incoming current instruction value sharply decreases and outputting the resulting current instruction value.

REFERENCES:
patent: 6484841 (2002-11-01), Takai et al.
patent: 6499557 (2002-12-01), Takai et al.
patent: 6675928 (2004-01-01), Takai et al.
patent: 6681884 (2004-01-01), Shimizu et al.
patent: 20030141193 (2003-07-01), Hossick-Schott
patent: 20030144781 (2003-07-01), Shimizu et al.
patent: 20030144782 (2003-07-01), Shimizu et al.

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