文件名称:SVZHIJIEZHUANJUISHU
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在采用传统的直接转矩控制策略时，观测定子磁链位置时存在误差以及逆变器开关频率不太高等都会引起系统的转矩脉动。针对这一缺陷，本文研究了基于磁链误差观测的控制方案，也就是采用SVPWM优化方案。将电压矢量脉宽调制技术和直接转矩技术相结合，利用磁链和转矩误差选择任意相位和幅值的电压空间矢量，从而减小了转矩脉动。所得仿真结果表明此控制策略是可行，而且比传统的PMSM DTC系统更优越。
-Voltage space vector selection of arbitrary phase and amplitude of the flux and torque,We can select Voltage space vector in arbitrary phase and amplitude by Error of the flux and torque so that torque ripple can reduce.The simulation results show that this control strategy is feasible, and the new PMSM DTC system is superior to the conventional one.
-Voltage space vector selection of arbitrary phase and amplitude of the flux and torque,We can select Voltage space vector in arbitrary phase and amplitude by Error of the flux and torque so that torque ripple can reduce.The simulation results show that this control strategy is feasible, and the new PMSM DTC system is superior to the conventional one.
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SVZHIJIEZHUANJUISHU\myzerodtc.mdl
SVZHIJIEZHUANJUISHU