Control of a steering wheel system with passive resistance...

Details Control of a steering wheel system with passive resistance... Control of a steering wheel system with passive resistance...

2007-11-13

2007-11-13

Nguyen, Tan Q. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Vehicle subsystem or accessory control

C701S042000, C701S001000, C180S443000, C318S366000

Reexamination Certificate

active

10901521

ABSTRACT:
A control system and method for a steer-by-wire system with the passive resistance torque is provided. The control system includes a controller configured to compensate for a passive resistance torque and to generate the required active torque using a three loop control structure: torque feedback loop, rate feedback loop, and steering wheel angle feedback loop. The torque feedback loop is based on an estimated steering torque signal calculated from a steering angle signal, a steering angle rate signal, and a motor current signal.

REFERENCES:
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patent: 2002/0035424 (2002-03-01), Kaufmann et al.
patent: 2005/0017664 (2005-01-01), Takahashi et al.
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patent: 10102244 (2002-03-01), None

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