摘要
永磁同步电机系统状态估计是电机正常运行与维护的关键技术之一,其中电机混沌状态的识别与控制是电机状态估计的一个重要内容。考虑到当永磁同步电机系统微分方程的阶数是分数时,其混沌运行的频谱特征是不同于整数阶系统的,因此主要针对同量分数阶永磁同步电机混沌运行时的频谱特征进行了研究。首先对分数阶永磁同步电机混沌系统的建立进行了研究,其次建立了仿真模型,并对其相电流信号的的频谱进行了仿真分析,仿真计算结果表明,分数阶永磁同步电机的频谱比整数阶的频谱宽。
The state estimation of permanent magnet synchronous motor system is one of the key technologies that can operate and maintain the motor properly.For state estimation of the motor,the identification and control of the chaotic state is especially important.Considering that when the order of differential equation of PMSM system is fractional,the spectrum characteristics of chaotic operation are different from that of integer order system,so this paper mainly studies the spectrum characteristics of the same order fractional PMSM chaotic operation.Firstly,the establishment of the chaotic system of the same quantity fractional PMSM is studied.Secondly,the simulation model is established,and lastly,the frequency spectrum of the phase current signal is analyzed.The simulation results show that the frequency spectrum of the fractional PMSM is wider than that of the integer order.
作者
韩建群
Han Jianqun(College of Engineering,Bohai University,Jinzhou 121000,China)
出处
《国外电子测量技术》
2020年第4期1-5,共5页
Foreign Electronic Measurement Technology
基金
辽宁省自然科学基金计划重点项目(20180520010)资助。
关键词
同量分数阶
永磁同步电机
混沌
相电流
仿真
fractional order of the same quantity
permanent magnet synchronous motor
chaos
phase current
simulation
作者简介
韩建群,博士,教授,主要研究方向为混沌控制与通信、电机故障特征检测等。E-mail:hanjianqun@126.com。
