Electric power steering control system

Details Electric power steering control system Electric power steering control system

1988-03-31

1989-10-24

Pekar, John A.

Motor vehicles

Compensating devices

318139, B62D 504

Patent

active

048755397

ABSTRACT:
An electric power steering control system includes an electric motor for producing an assisting torque for the vehicle steering system through a reduction gear, a steering torque sensor fitted on the steering shaft, a controller for controlling the input to the motor in accordance with the torque sensor output, a battery for supplying power to the controller, and a voltage step-up circuit connected to the battery for driving the motor at a voltage higher than the battery voltage. The controller drives the motor at a high voltage.

REFERENCES:
patent: 4471280 (1984-09-01), Stack
patent: 4530413 (1985-07-01), Buike et al.
patent: 4653601 (1987-03-01), Nakamura et al.
patent: 4673852 (1987-06-01), Geiger
patent: 4708220 (1987-11-01), Noto et al.

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