Control device of electric power steering system for motor vehic

Details Control device of electric power steering system for motor vehic Control device of electric power steering system for motor vehic

1989-03-31

1991-02-05

Marmor, Charles A.

Motor vehicles

Compensating devices

36442405, B62D 504

Patent

active

049896822

ABSTRACT:
Power assist of steering wheel by an electric motor is carried out by the sum of an assist motor current generated based on the output of a torsion torque sensor and a compensating current generated in dependency on the variation rate of the output of the torsion torque sensor. An assist torque current correction circuit controls the compensating current such that the amount of the compensating current is reduced in accordance with an increase in steering angle of the steering system.

REFERENCES:
patent: 4708220 (1987-11-01), Noto et al.
patent: 4800975 (1989-01-01), Oshita et al.

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