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  • Volume 29 Issue 5
    Aug.  2021
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    Article Contents
    XU Jianying, LIU Heping. An electromotive force observer and position estimation with high precision for a permanent magnet synchronous motor[J]. Chinese Journal of Engineering, 2007, 29(5): 537-541. doi: 10.13374/j.issn1001-053x.2007.05.021
    Citation: XU Jianying, LIU Heping. An electromotive force observer and position estimation with high precision for a permanent magnet synchronous motor[J]. Chinese Journal of Engineering, 2007, 29(5): 537-541. doi: 10.13374/j.issn1001-053x.2007.05.021

    An electromotive force observer and position estimation with high precision for a permanent magnet synchronous motor

    doi: 10.13374/j.issn1001-053x.2007.05.021
    • Received Date: 2005-11-21
    • Rev Recd Date: 2006-03-13
    • Available Online: 2021-08-16
    • Taking parameter variation into account, a new model of the induced electromotive force relation of a permanent magnet synchronous motor (PMSM) was presented. Two kinds of induced electromotive force observers with high precision, differential and non-differential, were established. The stability and astringency of the induced electromotive force observers was proved. The effect of parameter variation on their position estimation was analyzed. For a sensorless vector control system, the interior permanent magnet synchronous motor for instance was systematically simulated. The results show that the induced electromotive force observers have excellent performance.

       

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