A magnetostrictive torque sensor includes first to fourth detection coils each wound around a steering axle (a sensor shaft) so as to surround a magnetostrictive film formed on the sensor shaft and a multi-turn winding bias coil that is separated from the first to fourth detection coils and that is wound around the sensor shaft so as to surround the magnetostrictive film. By applying a DC component current to the bias coil, a sufficient bias magnetic field is applied to the magnetostrictive film so that the hysteresis is prevented.


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    Titel :

    Magnetostrictive torque sensor and electric power steering device


    Beteiligte:
    YONEDA ATSUHIKO (Autor:in) / SHIMIZU YASUO (Autor:in) / FUJITA KOUICHI (Autor:in)

    Erscheinungsdatum :

    24.11.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    G01L Messen von Kraft, mechanischer Spannung, Drehmoment, Arbeit, mechanischer Leistung, mechanischem Wirkungsgrad oder des Drucks von Fluiden , MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE / B62D MOTOR VEHICLES , Motorfahrzeuge



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