| 摘要 |
A motor-driven steering assist apparatus interposed between a steering handle and a tire wheel side steering member is disclosed for assisting a steering force applied to the steering handle by a driver on the basis of a torque generated by an electric motor. The motor-driven steering assist apparatus has an engine rotation sensor outputting a rotation signal of an engine, a torque sensor detecting a steering torque applied to the steering handle, and a control means for computing a vehicle speed on the basis of the rotation signal of the engine rotation sensor. Driving current of the electric motor is computed on the basis of the computed vehicle speed and the detected torque of the torque sensor, for assist controlling the electric motor.
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