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基于占空比调制与共直流母线的开绕组永磁同步电机驱动模型预测控制

Model Predictive Control With Duty Ratio Modulation for Open-Winding PMSM Drives With Common DC Bus

语言:

中文摘要

针对有限控制集模型预测电流控制(FCS-MPCC)存在的电流纹波大、转矩脉动大及计算量大等问题,本文提出了一种改进的开绕组永磁同步电机(OW-PMSM)模型预测控制方法。该方法基于无差拍原理,通过引入占空比调制策略,有效提升了系统的控制性能并降低了计算复杂度。

English Abstract

Finite control set model predictive current control (FCS–MPCC) has attracted increasing attention in recent years. However, large current ripples, torque ripples, and computational effort limit its widespread application. To address aforementioned problems, an improved MPCC method is proposed for open-winding permanent magnet synchronous motors herein. First, FCS–MPCC method based on deadbeat prin...
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SunView 深度解读

该研究提出的改进型模型预测控制(MPCC)算法,通过占空比调制优化了传统FCS-MPCC的性能,对提升电机驱动效率和降低转矩脉动具有重要参考价值。在阳光电源的产品线中,该技术可应用于风电变流器及电动汽车充电桩的电机驱动控制模块。通过引入占空比调制,能够有效降低开关频率下的谐波含量,减小滤波器体积,从而提升功率密度。建议研发团队关注该算法在复杂工况下的鲁棒性,并探索其在高性能变流器控制策略中的移植潜力,以进一步优化系统动态响应性能。