Steer-by-wire system for automobiles

Details Steer-by-wire system for automobiles Steer-by-wire system for automobiles

2011-03-15

2011-03-15

Nguyen, Kim T (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Vehicle subsystem or accessory control

Reexamination Certificate

active

07908056

ABSTRACT:
Disclosed herein is a steer-by-wire system for automobiles. The steer-by-wire system includes a steering control unit and a signal input unit. The central control unit includes a reaction force generation unit, a damping force generation unit. The reaction force generation unit generates steering reaction force or restoring force, acting in the reverse direction to that of a steering torque. The damping force generation unit generates damping force, acting in the reverse direction to the steering reaction force or the restoring force (in the same direction as the steering torque). Furthermore, the central control unit generates a current control signal, which is applied to a steering feel generation motor, by combining the resulting values determined by the reaction force generation unit and the damping force generation unit a vehicle velocity signal in response to a steering angle signal, a steering torque signal and a steering angular velocity signal.

REFERENCES:
patent: 6082482 (2000-07-01), Kato et al.
patent: 6570352 (2003-05-01), Hara et al.
patent: 7703561 (2010-04-01), Miyajima et al.

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