In order to monitor the state of permanent magnet(PM) in PMSM, a design strategy of adaptive observer is proposed. The observer is built bases on the theory of Popov's hyper-stability theory. Then the influences of parameter variations on the PM flux linkage estimation are investigated. It is shown that the q-axis inductance Lq mismatch has the most serious influence on the flux estimation. To reduce the sensitivity of Lq, a flux adaptive observer combined with Lq is proposed in this paper. Experimental results verify the effect of this method.


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    Titel :

    Permanent magnet flux linkage adaptive observer for permanent magnet synchronous motor


    Beteiligte:
    Qiu, Tengfei (Autor:in) / Wen, Xuhui (Autor:in) / Zhao, Feng (Autor:in) / Wang, Yongxing (Autor:in)


    Erscheinungsdatum :

    01.08.2014


    Format / Umfang :

    779404 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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