The problem of sensor faults on an AC-drive system for an electric train is considered here. Intermittent disconnections of these sensors produce severe transient errors in the estimator for the control loop. This paper uses a bilinear model of the motors and model-based techniques to produce estimates of control variables that are tolerant to intermittent disconnections, without degrading performance. The paper shows how such a system can be verified in hardware, on a small test-rig with a digital signal processor (DSP) used to run the fault-tolerant algorithm.


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    Title :

    Sensor fault-tolerant control of a rail traction drive


    Additional title:

    Regelung von Eisenbahn-Fahrmotoren mit Toleranz gegenüber Sensorfehlern


    Contributors:
    Bennett, S.M. (author) / Patton, R.J. (author) / Daley, S. (author)

    Published in:

    Publication date :

    1999


    Size :

    9 Seiten, 10 Bilder, 30 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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