This paper proposes a new voltage compensation method for the optimal control of interior permanent magnet machines (IPMs)especially at the field-weakening region considering the inverter nonlinearity. The way to experimentally generate the inverter voltage drop compensation is presented. In the model-based optimal control, the compensation voltage should be converted to $dq$ frame, therefore becomes a multivariable function of current vector magnitude, $dq$ angle, and electrical angle of rotor rotation, which complicates the solving process of optimal control problem. This paper proposes a compensation voltage which is a function of only current magnitude and also ensures that the optimal operation is always achieved. Simulation and experiment results are presented to validate the proposed method.


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    Title :

    Improved Optimal Control of Interior Permanent Magnet Synchronous Machine with Simplified Inverter Nonlinearity Compensation


    Contributors:


    Publication date :

    2019-06-01


    Size :

    1242658 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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