Motor vehicles – Compensating devices
Patent
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.
Abukawa Toshimi
Hombu Mitsuyuki
Ishikura Hisatugu
Koterazawa Toshiyuki
Murumoto Katsuji
Hitachi , Ltd.
Hitachi Automotive Engineering Co. Ltd.
Pekar John A.
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