| 摘要 |
A power steering apparatus which generates a steering assist force to be applied to a steering mechanism by a hydraulic pressure generated by a pump driven by an electric motor. The apparatus determines a rotation speed of the motor in accordance with a steering angular speed sensed when the steering mechanism is operated. The motor is driven at a lower motor rotation speed when the steering mechanism is operated toward a steering angle midpoint than when the steering mechanism is operated away from the steering angle midpoint.
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