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电子工程21年17期

基于调节理论的无刷直流电机反馈控制与仿真
李璀璀,郑国庆,王浚宇
(华东光电集成器件研究所,江苏 苏州 215163)

摘  要:无刷直流电机是随着电力电子器件的发展而成熟起来的一种电机。文章通过 MATLAB 构建无刷直流电机的数学模型,并对反馈控制进行了仿真。根据外部扰动的有无,分别验证了系统的控制效果。在参考输入已知,没有外部扰动的情况下,电机转子的角速度跟踪误差随时间渐近趋于零;在有外部扰动时,转子角速度逐渐跟上了参考输入,跟踪误差随时间趋近于零。仿真结果表明,基于调节理论的无刷直流电机反馈控制保证了系统良好的跟踪性能,并具有一定的抗扰动能力。


关键词:无刷直流电机;调节理论;反馈控制;MATLAB



DOI:10.19850/j.cnki.2096-4706.2021.17.011


中图分类号:TP273                                       文献标识码:A                                      文章编号:2096-4706(2021)17-0043-04


Feedback Control and Simulation of Brushless DC Motor Based on Regulation Theory

LI Cuicui, ZHENG Guoqing, WANG Junyu

(East China Institute of Optoelectronic Integrated Devices, Suzhou 215163, China)

Abstract: Brushless DC motor is a kind of motor gradually maturing with the development of power electronic devices. In this paper, the mathematical model of brushless DC motor is constructed by MATLAB, and the feedback control is simulated. The control effect of the system is verified according to the presence or absence of external disturbance. When the reference input is known and there is no external disturbance, the angular velocity tracking error of the motor rotor asymptotically approaches zero with time; when there is external disturbance, the rotor angular velocity gradually kept up with the reference input, and the tracking error approaches zero with time. The simulation results show that the feedback control of brushless DC motor based on regulation theory ensure the good tracking performance of the system and has a certain anti disturbance ability.

Keywords: brushless DC motor; regulation theory; feedback control; MATLAB


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作者简介:李璀璀(1993—),男,汉族,江苏徐州人,助理工程师,硕士,主要研究方向:嵌入式电机控制系统;郑国庆 (1980—),男,汉族,吉林通化人,高级工程师,本科,主要研究方向:嵌入式系统软硬件设计;王浚宇(1994—),男,汉族, 江苏连云港人,助理工程师,硕士,主要研究方向:嵌入式系统软件设计。