PROBLEM TO BE SOLVED: To provide an electric linear motion actuator of low power consumption.SOLUTION: An electric linear motion actuator has an electric motor 10, a motion conversion mechanism 11 for converting rotation torque of the electric motor 10 into straight moving force of an outer ring member 24, a load sensor 12, and a motor controller 51. The motor controller 51 controls driving current of the electric motor 10 so that the rotation torque of the electric motor 10 increases until magnitude of pressing force detected by the load sensor 12 goes above a target value, and then the rotation torque of the electric motor 10 decreases until the magnitude of the pressing force detected by the load sensor 12 reaches the target value.SELECTED DRAWING: Figure 2

    【課題】消費電力が低い電動式直動アクチュエータを提供する。【解決手段】電動式直動アクチュエータは、電動モータ10と、電動モータ10の回転トルクを外輪部材24の直進力に変換する運動変換機構11と、荷重センサ12と、モータ制御装置51とを有する。モータ制御装置51は、荷重センサ12で検出される押圧力の大きさが目標値よりも大きくなるまで電動モータ10の回転トルクを増加させてから、荷重センサ12で検出される押圧力の大きさが目標値に到達するまで電動モータ10の回転トルクを減少させるように電動モータ10の駆動電流を制御する。【選択図】図2


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    Titel :

    ELECTRIC LINEAR MOTION ACTUATOR AND ELECTRIC BRAKE DEVICE


    Weitere Titelangaben:

    電動式直動アクチュエータおよび電動ブレーキ装置


    Beteiligte:
    MASUDA YUI (Autor:in)

    Erscheinungsdatum :

    2017-06-08


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen / F16H Getriebe , GEARING / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES



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