This article proposes a high-efficiency flux weakening (FW) drive based on the model predictive control (HEFW-MPC) for the interior permanent magnet synchronous motor (IPMSM). It is of great significance to improve the IPMSM’s efficiency due to its wide application and the urgent need for emission reduction. The FW drive can extend the speed range of IPMSM and reduce the gear ratio. The lower gear ratio is helpful to improve the mechanical transfer efficiency. However, the IPMSM’s loss has often been ignored. Therefore, the high-efficiency algorithm (HEA), concerning the copper and iron loss of IPMSM, is introduced to improve efficiency. Besides, the MPC is utilized as the controller to handle complex nonlinearities and constraints. However, it is difficult to directly solve the FW problem with multiple constraints, e.g., voltage limitation, current limitation, and HEA. Hence, the equivalent optimization is proposed to simplify the primal problem. The simulations and experiments verify that the presented HEFW-MPC is effective in driving IPMSM. What is more, the efficiency maps demonstrate that HEFW-MPC is helpful to improve the efficiency and extend the high-efficiency region of IPMSM.


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    Titel :

    High-Efficiency Flux Weakening Drive for IPMSM Based on Model Predictive Control


    Beteiligte:
    Zhang, Yunfei (Autor:in) / Qi, Rong (Autor:in)


    Erscheinungsdatum :

    2022-09-01


    Format / Umfang :

    4314220 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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