Motor-driven type power steering control device

Details Motor-driven type power steering control device Motor-driven type power steering control device

1988-01-22

1989-09-26

Hill, Mitchell J.

Motor vehicles

Compensating devices

318599, B62D 504

Patent

active

048693332

ABSTRACT:
A motor-driven type power steering control device includes a control unit. When the control unit detects that power elements are short-circuited or in an open state, the control unit cuts off a current supplied from the power elements to a motor and a voltage applied to an electromagnetic clutch. By modifying a control program for the control unit, it is possible to attain the measures for preventing that burning of a wiring or a battery from dying upon short-circuiting of the power elements and the measures for preventing that only one side of a steering wheel becomes light to steer upon breakage of the power elements.

REFERENCES:
patent: 4290000 (1981-09-01), Sun
patent: 4532567 (1985-07-01), Kade
patent: 4567413 (1986-01-01), Yabe
patent: 4573545 (1986-03-01), Kalns
patent: 4611682 (1986-09-01), Yasuda
patent: 4624335 (1986-11-01), Shiraishi
patent: 4745514 (1988-05-01), Takeshima

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