基于改进新型电压模型的永磁同步电机控制  

Control of Permanent Magnet Synchronous Motor Based on Modified New Voltage Model

作　　者：陈雄 邹积浩 任佳[1] 钱鹏 翁如杰 CHEN Xiong;ZOU Ji-hao;REN Jia;QIAN Peng;WENG Ru-jie(College of Mechanical Engineering and Automatic,Zhejiang Sci-Tech University,Hangzhou 310018,China;College of Computer Science and Technology,Zhejiang University,Hangzhou 310058,China)

机构地区：[1]浙江理工大学机械与自动控制学院,杭州310018 [2]浙江大学计算机科学与技术学院,杭州310058

出　　处：《组合机床与自动化加工技术》2023年第1期109-113,118,共6页Modular Machine Tool & Automatic Manufacturing Technique

基　　金：浙江省公益技术研究项目(LGG20F030007)。

摘　　要：传统电压型磁链观测器无法去除电动势中存在的直流量,通过采用新型电压模型能够有效解决直流量累积的问题,并分析频率突变对输出磁链的影响,进一步改进新型电压模型,从而增强系统的动态性能。此外,考虑到永磁同步电机运行过程中存在的功耗问题,进而引入一种给定变化参考磁链的方法,实现永磁同步电机定子电流的最优控制,从而提升电机的运行效率。仿真结果表明,新的磁链观测器不仅能够在感应电动势出现偏移的情况下保持磁链的稳定性,而且比优化前的动态响应性能更好。Conventional voltage-based flux linkage observers fail to remove the direct current(DC)offset in the electromotive force.By adopting a new voltage model,the problem of DC accumulation can be effectively solved.Meanwhile,the influences of frequency mutation on output flux linkage were analyzed,the dynamic performance of the system is enhanced via optimizing the new voltage model.Moreover,in order to reduce the power consumption during the operation of the permanent magnet synchronous motor,an approach of given changing reference flux linkage is further introduced to achieve the optimal control of the stator current of the permanent magnet synchronous motor,thereby improving the motor’s efficiency.The simulation results prove that the new flux linkage observer can not only maintain the stability of flux linkage in the case of offset of induced electric motive force but also better the dynamic response performance.

关 键 词：参考磁链 幅值和相位补偿 直流偏置 动态性能 电压模型 

分 类 号：TH16[机械工程—机械制造及自动化] TG506[金属学及工艺—金属切削加工及机床]