Vehicle steering apparatus

Details Vehicle steering apparatus Vehicle steering apparatus

2007-11-13

2007-11-13

Chin, Gary (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Vehicle subsystem or accessory control

C180S443000, C180S446000

Reexamination Certificate

active

11157801

ABSTRACT:
In a vehicle steering apparatus, front wheels are controlled to be turned by a computer program processing. A displacement/torque conversion section51converts a steering angle θ into a steering torque Td that is in relation of exponential function. A torque/lateral-acceleration conversion section52converts into an anticipated lateral acceleration Gd based upon the steering torque Td. A turning angle conversion section55calculates target turning angles δd. A turning angle correcting section61obtains a slip angle β of a slip generated on a vehicle. Then, the turning angle correcting section61corrects the target turning angle δd based upon the obtained slip angle β, thereby calculating a corrected target turning angle δda. A drive control section63controls the steered wheels to be turned into the corrected target turning angle δda. According to this, a driver can correctly perceive the generated anticipated lateral acceleration Gd, whereby he/she can easily drive the vehicle.

REFERENCES:
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patent: 7203582 (2007-04-01), Yokota
patent: 2006/0047391 (2006-03-01), Katou
patent: 2006/0086561 (2006-04-01), Hidaka
patent: 2006/0149445 (2006-07-01), Suzumura et al.
patent: 2006/0200289 (2006-09-01), Chino et al.
patent: A 11-124047 (1999-05-01), None
patent: A 2000-85604 (2000-03-01), None

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