System and method of initial aligning wheels of vehicle...

Details System and method of initial aligning wheels of vehicle... System and method of initial aligning wheels of vehicle...

2005-08-09

2005-08-09

Nguyen, Thu V. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Vehicle subsystem or accessory control

Reexamination Certificate

active

06928352

ABSTRACT:
The present invention involves a method and system of initial aligning wheels of vehicle steer-by-wire systems with two independent front road wheels in the real time. The method comprises providing a steering wheel control sub-system and a road wheel control sub-system, providing an initial alignment unit and procedure to align the road wheels and steering wheel, and receiving relative and absolute steering wheel angles and road wheel angles. The method further includes generating wheel aligning reference angles based on the relative and absolute wheel angle, generating the switch control signal based wheel aligning reference angles using the logic operation with the threshold, and determining the steer-by-wire systems in the control state or in the initial alignment state.

REFERENCES:
patent: 4930084 (1990-05-01), Hosaka et al.
patent: 5180214 (1993-01-01), Yeh et al.
patent: 6370460 (2002-04-01), Kaufmann et al.
patent: 2003/0028302 (2003-02-01), Sebastian et al.

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