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        Control Strategy of Permanent Magnet Synchronous Motor Used in Electric Vehicle

        Huaiquan Zang,Degang Lv,Yan Dai 보안공학연구지원센터 2014 International Journal of Control and Automation Vol.7 No.11

        For dynamic mathematical model of permanent magnet synchronous motor (PMSM) applied in electric vehicles, to reduce the ripple of the speed of electric vehicles in the driving process and to improve anti-interference and fast tracking ability, control strategy based on fuzzy and auto-disturbances-rejection was proposed. The fuzzy part of the system instead of hysteresis comparator and selector switching table of the traditional DTC control, reduces the flux and torque ripple and earns superior performance. The active-disturbance-rejection (ADR) technology was applied to the speed controller to compensate system perturbation on real-time. The simulation results show that the controller based on fuzzy and active-disturbance-rejection have the advantages that flux linkage and torque ripples are small, the speed tracking is faster and steady precision is higher.

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