This paper proposes a new direct predictive speed control (DPSC) method for permanent-magnet synchronous machines (PMSMs), which eliminates the cascaded loops structure that usually used in the conventional controller. A novel sliding manifold term is added to the cost function to realize the speed/current tracking. The proposed cost function is simple and easy to implement. Therefore, in comparison with the other DPSC methods, the proposed method does not need long prediction horizons, dynamically adjustable weighting factors or large weighting factors for the control variables with large time constants. The performance of the proposed method has been experimentally investigated and compared with: 1) Conventional DPSC scheme, and 2) a predictive current control with an outer PI controller (PI-PCC). The results illustrated enhancement in the dynamic performance in comparison with PI-PCC method and improvement in the steady-state response in comparison with the conventional DPSC technique.


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    Title :

    Direct Predictive Speed Control With a Sliding Manifold Term for PMSM Drives


    Contributors:
    Gao, X. (author) / Abdelrahem, M. (author) / Hackl, C.M. (author) / Zhang, Z. (author) / Kennel, R. (author)

    Publication date :

    2020-05-08



    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



    Classification :

    DDC:    629 / 620



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