Motor control unit for electrically operated power steering devi

Details Motor control unit for electrically operated power steering devi Motor control unit for electrically operated power steering devi

1987-09-18

1989-01-31

Mitchell, David M.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

180 791, 36442405, B62D 504

Patent

active

048009750

ABSTRACT:
An electrically operated power steering device connected to a steering system of a motor vehicle to provide supplementary steering power by means of an electric motor. A motor control unit for the electrically operated power steering device controls the rotational direction and output torque of the electric motor by the sum of an assistance signal based on the signal from a torsional torque sensor and a velocity sensor in the steering system, a restoration signal based on the output signal from a steering angle sensor, and an auxiliary assistance signal based on the output signal from the torsional torque sensor in the steering system as a command signal.

REFERENCES:
patent: 4556116 (1985-12-01), O'Neil
patent: 4573545 (1986-03-01), Kalns
patent: 4577715 (1986-03-01), Saito

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