改进高频信号注入法的IPMSM转子位置检测研究  

Research on the IPMSM rotor position estimation based on improved high frequency injection method

作　　者：廖军[1] 张兴[1] 杨淑英[1] 黎芹[1] 

机构地区：[1]合肥工业大学电气与自动化工程学院,安徽合肥230009

出　　处：《合肥工业大学学报（自然科学版）》2010年第8期1161-1165,共5页Journal of Hefei University of Technology：Natural Science

基　　金：安徽省自然科学基金资助项目(090412049)

摘　　要：高频信号注入法是利用永磁同步电机的凸极效应,在静止坐标系上注入高频旋转电压,利用滤波器对高频响应电流进行信号处理,最终分析得到转子位置信息。常规滤波方式中使用的带通滤波器和带阻滤波器带来较大的相移和幅度衰减等问题,文章基于高通滤波器可以完全滤除直流量的特点,用同步轴系滤波环节代替带通滤波器和带阻滤波器。仿真研究表明,这种转子位置检测方法既能在低速时准确地观测出转子的空间位置,也能保证高速运行时较快的动态响应。The discussed high frequency injection scheme utilizes saliency property of permanent magnet synchronous motor（PMSM）.A high frequency voltage signal is injected in the stationary frame and the filters are used to analyze high frequency current and to extract rotor position information.In the conventional method,the use of the band pass filter and band stop filter results in serious problems of phase-shifting and amplitude attenuation.As the high pass filters have the ability to completely eliminate a specified frequency,synchronous frame filtering takes the place of the band pass filter and band stop filer in this paper.The simulation study indicates that the method is capable of precisely estimating the rotor position at the low speed and possessing fast dynamic response at the high speed.

关 键 词：无速度传感器控制 永磁同步电机 高频信号注入 

分 类 号：TM301[电气工程—电机]