Electric power steering apparatus

Details Electric power steering apparatus Electric power steering apparatus

1997-02-21

1999-11-16

DePumpo, Daniel G.

Motor vehicles

Steering gear

With electric power assist

180443, 701 42, B62D 504

Patent

active

059840420

ABSTRACT:
An electric power steering apparatus comprising dead zone detecting device for detecting whether a detected value of a steering torque is no more than a predetermined value, that is, in a dead zone or not, steering angular velocity detecting device for detecting the rotation speed of a steering wheel, and motor braking device for braking a motor by short-circuiting the terminals of the motor by the PWM control corresponding to the rotation speed of the steering wheel detected by the steering angular velocity detecting device when the detected value of the steering torque is detected to lie in the dead zone.

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patent: 5767642 (1998-06-01), Furukawa
patent: 5809438 (1998-09-01), Noro et al.
patent: 5839537 (1998-11-01), Nishino et al.

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