This paper describes a contactless differential torque sensor for use in a steering column of a vehicle having an all-electric power steering assist system. The basic concept of an eddy current surface-effect phase shift sensor is described along with its equivalent electrical circuit. A configuration giving low drift and good linearity is proposed. One low-cost method of exciting the sensor and demodulating the signal is shown. Characteristics, a block diagram of an overall electric assist steering system using the sensor and potential advantages of electric power steering are provided.


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    Titel :

    A Contactless Surface-Effect Sensor for All-Electric Power Steering


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    O'Neil, W. K. (Autor:in) / Kelledes, W. L. (Autor:in)

    Kongress:

    SAE International Congress and Exposition ; 1984



    Erscheinungsdatum :

    01.02.1984




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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