Reliability and safety of steer-by-wire-concepts can be achieved by redundant designs. This paper discusses the design of a fault tolerant concept for a force feedback actuator with a standard three-phase PMSM (permanent magnet synchronous motor). In contrast to usual drives, the phases of the machine are separated electrically. This design allows driving the machine with two instead of three phases in case of a fault. A superimposed torque controller adjusts the influence of fault currents and torque harmonics in two-phase operation and guarantees smooth torque at the steering wheel.


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    Title :

    Fault tolerant force feedback actuator for steer-by-wire


    Additional title:

    Fehlertoleranter Steer-by-Wire-Aktuator mit Kraft-Rückkopplung


    Contributors:


    Publication date :

    2000


    Size :

    6 Seiten, 8 Bilder, 6 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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