Vehicle steering apparatus and method

Details Vehicle steering apparatus and method Vehicle steering apparatus and method

2007-07-24

2007-07-24

Morris, Lesley D. (Department: 3611)

Motor vehicles

Steering gear

No mechanical connection between steering shaft and steering...

C180S443000, C701S041000, C701S042000, C701S043000

Reexamination Certificate

active

11106604

ABSTRACT:
A vehicle steering apparatus includes a steering reaction actuator that produces a steering reaction force to be applied to the manual steering unit, a steering reaction force controller that outputs a steering reaction force command value to the steering reaction force actuator, and a road surface input torque detector that detects a road surface input torque inputted to steerable road wheels from a road surface, wherein the steering reaction force controller includes a low cut-off frequency filter that extracts a low frequency component equal to or lower than a predetermined frequency from an output of the road surface input torque detector and sets the steering reaction force command value on the basis of a vehicle driving condition and an output of the low cut-off frequency filter. A vehicle steering method is also provided.

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