The adoption of sensorless rotor position estimation without need for mechanical sensors, represents a prominent solution to effectively enhance robustness and making cost effective without compromising performance. In this paper, a sensorless rotor position finding approach for surface mounted PMSM by modified flux observer (FO) for solar PV array- battery fed lightweight electric vehicle (EV) with feature of regenerative braking is presented. Modified FO approach incorporates an interference observer and a quasi-proportional resonant (QPR) based controller. This new design effectively addresses main challenges encountered in conventional FO methods, offering robustness against the DC offset and integrator issues while maintaining a remarkably simple and streamlined structure. The interference observer (IO) plays a crucial role in eradicating the DC offset and harmonics from flux estimation without introducing any errors into the estimated flux. Furthermore, the utilization of quasi PR feedback control enables elimination of discrepancies between observed and actual current, leading to a harmonics-immune performance. Performance evaluation of the control and topology is done on a 3-kW PMSM based on obtained results.


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    Titel :

    Modified Flux Observer based Sensorless PMSM Control for Hybrid Electric Vehicles


    Beteiligte:
    Kumar, Sumit (Autor:in) / Singh, Bhim (Autor:in)


    Erscheinungsdatum :

    28.11.2023


    Format / Umfang :

    1117316 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch