Steering apparatus for vehicle

Details Steering apparatus for vehicle Steering apparatus for vehicle

2006-05-29

2010-10-12

Morris, Lesley (Department: 3611)

Motor vehicles

Steering gear

With electric power assist

C180S402000, C180S403000, C180S443000

Reexamination Certificate

active

07810608

ABSTRACT:
An electronic control unit inputs a side slip angle β of a vehicle body. The unit calculates a dynamic zero point δo for reducing a lateral force generated in the vehicle due to the side slip angle β of the vehicle body. The unit calculates a steering angle δa, which is represented by the difference between the dynamic zero point δo and a steering angle δ detected by a steering angle sensor. The unit calculates a reaction torque Tz having a predetermined relation with the steering angle δa. The unit drives and controls an electric motor to generate the calculated reaction torque Tz. Thus, the unit guides a driver to a proper steering-wheel rotating direction.

REFERENCES:
patent: 6524203 (2003-02-01), Kawamoto et al.
patent: 6935453 (2005-08-01), Mizuta et al.
patent: 7377342 (2008-05-01), Miyazaki et al.
patent: 2004/0016594 (2004-01-01), Yasui et al.
patent: 2002-211427 (2002-07-01), None
patent: 2003-154962 (2003-05-01), None
patent: 2003-252229 (2003-09-01), None
patent: 2005-247056 (2005-09-01), None

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