A power steering apparatus includes a steering mechanism configured to transmit a rotation of a steering wheel to a turning target wheel, an electric motor configured to provide a steering force to the steering mechanism, a torque sensor configured to detect a steering torque generated on the steering mechanism, and a control unit configured to calculate, based on the steering torque, an instruction signal for controlling driving of the electric motor and output the instruction signal to the electric motor. The control unit includes a steering direction signal reception portion configured to receive a steering direction signal indicating a rotational direction of the steering wheel, and an abnormality detection circuit configured to carry out detection of an abnormality in the power steering apparatus based on a change in the steering torque in a predetermined region including a region in which the steering direction signal is switched.


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    Title :

    POWER STEERING APPARATUS AND CONTROL APPARATUS FOR POWER STEERING APPARATUS


    Contributors:
    SASAKI MITSUO (author) / GOTO MAKOTO (author)

    Publication date :

    2018-11-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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