Electrical traction of vehicle needs accurate control of torque and flux. DC machines are mainly used but they are expensive and need heavy maintenance. Since some years, the use of field oriented vector control induction machines allows to fulfill the same objectives with lower cost. Unfortunately, they may present a decrease of their performances and an instability when their parameters vary with the temperature or the magnetic state and in the presence of converter or measurement noises. Therefore it is necessary to design effective control laws, which are especially less sensitive to these perturbations and variations. In this work, we have undertaken the conception and the realization of a voltage vector flux control whose inputs have been uncoupled by compensating terms. The torque and the flux regulations are realized at two different levels: an internal regulation loop for stator currents, and an external one for flux and torque. In order to achieve robust stability and performance objectives, we have involved several new methods in the domain such as Hinfinity control designed by genetic algorithms and reduced order extended Kalman filtering in the synchronous frame. Simulations will show the method efficiency and experimental results validate the control strategy.


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    Titel :

    On the robust control of an induction machine: a complete design and realization


    Beteiligte:
    Chouiter, D.R. (Autor:in) / Clerc, G. (Autor:in) / Auriol, P. (Autor:in) / Retif, J.M. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1999


    Format / Umfang :

    10 Seiten, 16 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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