Motor-driven power steering unit

Details Motor-driven power steering unit Motor-driven power steering unit

1988-06-09

1990-04-17

Shoop, Jr., William M.

Electricity: motor control systems

Open loop speed control system for dc motor with commutator

Analog armature control

361 31, 180 791, 318646, G05B 500

Patent

active

049187449

ABSTRACT:
The motor-driven power steering unit according to the first aspect of the present invention is able to decrease the amount of current being applied to the motor if the steering force exceeds a predetermined level. The motor-driven power steering unit according to the second aspect of the present invention is able to decrease the amount of current being applied to the motor when the steering speed is less than a predetermined level.

REFERENCES:
patent: 4532567 (1985-07-01), Kade
patent: 4547715 (1985-10-01), Li
patent: 4611682 (1986-09-01), Yasuda et al.
patent: 4681182 (1987-07-01), Suzuki et al.
patent: 4708220 (1987-11-01), Noto et al.
patent: 4753308 (1988-06-01), Noto et al.
patent: 4771843 (1988-09-01), Shimizu
patent: 4771845 (1988-09-01), Shimizu
patent: 4789040 (1988-12-01), Morishita et al.
patent: 4809173 (1989-02-01), Fukami et al.

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