| 摘要 |
A vehicle steering system includes: an electric motor that applies a torque to a steering shaft with the use of field units that differ in number of turns; and a control unit that controls the torque of the electric motor on the basis of a steering torque that is a torque input to the steering shaft in response to an operation of a steering wheel. The control unit controls at least one of motor currents that are supplied to the field units of the electric motor.
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