基于PR控制及高频信号注入的双三相永磁同步电机无位置传感器控制  

PR Control and High Frequency Voltage Signal Injection Based Sensorless Control of DTP PMSM

作　　者：徐斌 罗响[1] 朱莉[1] XU Bin;LUO Xiang;ZHU Li(Department of Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.)

机构地区：[1]上海交通大学电气工程系,上海200240

出　　处：《微电机》2020年第4期33-38,共6页Micromotors

摘　　要：双三相永磁同步电机中,在一套三相绕组中注入高频信号可以实现电机的无位置传感器控制,但是第一套绕组的高频信号也会在第二套绕组中感应出高频电流,从而影响控制性能。因此,文章提出了一种基于PR控制和高频信号注入的无位置传感器控制算法。在双三相永磁同步电机的第一套定子绕组的估计d轴中注入高频余弦电压信号,同时引入PR控制抑制第二套绕组的高频电流响应,通过第一套绕组的高频电流响应估计转子位置。仿真和实验结果验证了加入的PR控制能够有效抑制第二套绕组的高频电流,从而获得更优异的无位置传感器控制性能。The sensorless control of dual three-phase(DTP)permanent magnet motor(PMSM)at low speed was investigated in this paper.It was found that high frequency voltage signal injection into one set of three-phase stator windings can achieve sensorless control.But the injected high frequency signals generate high frequency induced currents into the other set,which affects control performance.Thus a PR(Proportional resonance)control based sensorless control of DTP PMSM with high frequency voltage signal injection was proposed.One high frequency cosine voltage signal was injected into the estimated d axis of the ABC set.The high frequency current responses in UVW set were suppressed by the PR control.The rotor position error can be estimated from the high frequency current responses of ABC set.The simulation and experiment results verify that the PR control can well suppress the high frequency current responses in UVW set and achieves well sensorless control performance.

关 键 词：PR控制 高频注入 双三相 永磁同步电机 无位置传感器控制 

分 类 号：TM341[电气工程—电机] TM351