This paper proposes an online motor-parameter-estimator for a permanent magnet synchronous motor (PMSM) in an electric vehicle (EV) powertrain. The proposed method uses a recursive least squares filter approach in combination with the discrete time dynamic voltage equations. Stator resistance estimation is decoupled from the estimator using thermal measurements. Compared to conventional approach, the proposed method is more reliable and less noisy since it does not rely on the low contribution of stator resistance in the voltage equation. Both simulations and experiments are carried out to validate the proposed method. A sensitivity analysis shows the approach is robust against rotor position error.


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    Title :

    Online Parameter Estimation of PMSM in EV Powertrain Including Thermal Measurements


    Contributors:


    Publication date :

    2019-06-01


    Size :

    1546241 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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