To provide an actuator driving device in which restart of normal control after a power source failure is properly determined.SOLUTION: When a DC power source (main power source 10) fails, a control unit 40 performs the following control in power source failure recovery processing of determining restart of normal control, which is performed during a normal time of the DC power source. [1] When an inverter input voltage is recovered before a waiting time period elapses from the power source failure, the control unit restarts the normal control. When the voltage is not recovered before the waiting time period elapses, the control unit turns off a power source relay 31. [2] When a power source relay off time period has elapsed from the turn-off time, the control unit turns on the power source relay 31 again. If the inverter input voltage is recovered at the turn-on time, the control unit restarts the normal control. [3] When the inverter input voltage is recovered before a power source relay on time period elapses from the turn-on time, the control unit restarts the normal control. When the voltage is not recovered before the power source relay on time period elapses, the control unit turns off the power source relay 31 to stop driving an actuator 80.SELECTED DRAWING: Figure 3

    【課題】電源失陥後の通常制御の再開を適切に判定するアクチュエータ駆動装置を提供する。【解決手段】制御部40は、直流電源(主電源10)が失陥したとき、直流電源の正常時における制御である通常制御の再開を判定する電源失陥復帰処理において、以下の制御を行う。[1]電源失陥時から待機期間が経過するまでにインバータ入力電圧が復帰した場合、通常制御を再開する。電圧復帰しないまま待機期間が経過した時、電源リレー31をオフする。[2]ターンオフ時から電源リレーオフ期間が経過した時、電源リレー31を再オンする。ターンオン時にインバータ入力電圧が復帰した場合、通常制御を再開する。[3]ターンオン時から電源リレーオン期間が経過するまでにインバータ入力電圧が復帰した場合、通常制御を再開する。電圧復帰しないまま電源リレーオン期間が経過した時、電源リレー31をオフし、アクチュエータ80の駆動を停止する。【選択図】図3


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    Title :

    ACTUATOR DRIVING DEVICE AND STEERING SYSTEM PROVIDED WITH THE SAME


    Additional title:

    アクチュエータ駆動装置、及び、それを備えるステアリングシステム


    Contributors:

    Publication date :

    2022-12-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B62D MOTOR VEHICLES , Motorfahrzeuge



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