Method for setting, in a motor vehicle electrical power...

Details Method for setting, in a motor vehicle electrical power... Method for setting, in a motor vehicle electrical power...

2007-07-03

2007-07-03

Hoff, Marc S. (Department: 2857)

Data processing: measuring, calibrating, or testing

Calibration or correction system

Position measurement

C702S033000, C702S041000, C702S042000, C702S043000, C702S044000, C702S096000, C702S142000

Reexamination Certificate

active

10536751

ABSTRACT:
A motor vehicle power steering system, including a steering column and a power steering motor. The column has an upper part bearing a steering wheel and a lower part acting on a mechanical steering device. A setpoint at which the motor should apply a power assist to the steering column is set on the basis of information concerning the torque exerted on the steering wheel. The information is obtained by measuring angles at the steering wheel and at the lower part of the column, and the setpoint is established by comparing the two angle measurements, taking into account the rigidity of the steering column between the two angle-measuring points.

REFERENCES:
patent: 4753308 (1988-06-01), Noto et al.
patent: 6138788 (2000-10-01), Bohner et al.
patent: 6876911 (2005-04-01), Chen et al.
patent: 2004/0084241 (2004-05-01), Niessen et al.
patent: 100 34 135 (2001-10-01), None

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