The performance of rotor position estimation of interior permanent magnet synchronous motor (IPMSM) tends to be negatively impacted by inverter and motor nonlinearities. In low voltage systems, the on-voltage drop of power electronic switches has a significant impact. This paper focuses on compensating nonlinearities in a 48V motor drive intended for hybrid vehicle powertrains with belt-driven starter-generator (BSG). A real-time voltage compensation method is introduced and saturation is addressed with inductance measurements. The effectiveness of the proposed methods is validated and evaluated by the experimental results.


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    Title :

    Compensation of Nonlinear Effects in Automotive 48V Position Sensorless IPMSM Drive Systems


    Contributors:


    Publication date :

    2018-06-01


    Size :

    729358 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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