针对时变输入的永磁同步电机改进型自抗扰控制器  

A Modified Adaptive Disturbance Rejection Controller for Permanent Magnetic Synchronous Motor Speed-Regulation System with Time-Varying Input

作　　者：左月飞[1] 张捷[1] 刘闯[1] 张涛[1] Zuo Yuefei;Zhang Jie;Liu Chuang;Zhang Tao(College of Automation Nanjing University of Aeronautics and Astronautics Nanjing 210016 China)

机构地区：[1]南京航空航天大学自动化学院,南京210016

出　　处：《电工技术学报》2017年第2期161-170,共10页Transactions of China Electrotechnical Society

基　　金：国家自然科学基金(51377076);江苏省"六大人才高峰"项目(YPC13013);江苏省产学研资金项目(BY2014003-09)资助

摘　　要：在永磁同步电机(PMSM)调速系统中,提出了对时变输入具有更高跟踪精度的改进型模型补偿自抗扰控制(MMC-ADRC)策略。传统的自抗扰控制中,扩张状态观测器(ESO)的观测扰动项较大,通过模型补偿可以大幅减小观测扰动项,提高跟踪精度。然而当输入时变时,由于常规的模型补偿自抗扰控制(MC-ADRC)存在建模误差,系统对输入的跟踪误差仍然较大。尽管可通过增大控制器增益来减小跟踪误差,但这同时会使系统中噪声被放大,降低系统性能。在MC-ADRC基础上引入输入微分前馈(IDF)得到的MMC-ADRC,可从理论上消除建模误差,在相同增益下获得更高的跟踪精度。仿真和实验结果证明了所提方法的有效性。A modified model compensation active disturbance rejection controller(MMC-ADRC)is proposed,which has better tracking performance for speed-regulation system of permanent magneticsynchronous motor(PMSM)with time-varying input.Model compensation is used to decrease theobserved disturbance of extended state observer(ESO)so as to improve the observation accuracy.When the input is time varying,the tracking performance of the system is poor according to themodelling errors in conventional ADRC.The tracking errors can be reduced by enlarging controllergain,but the control performance is deteriorated because of amplified noises.Adding input derivativefeed forward(IDF)will realize better tracking performance,which can eliminate the modelling errorstheoretically.Extensive comparative simulation and experiment tests are performed.The results showthe improved performance of the proposed algorithm.

关 键 词：永磁同步电机 自抗扰控制 时变输入 输入微分前馈 模型补偿 

分 类 号：TM351[电气工程—电机]