永磁同步电机无位置传感器控制系统中初始位置角检测综述  

Review of initial position angle detection in sensorless control system of permanent magnet synchronous motor

作　　者：曹春堂 兰志勇[1] 沈凡享 Cao Chuntang;Lan Zhiyong;Shen Fanxiang(Xiangtan University,Xiangtan,Hu’nan 411105)

机构地区：[1]湘潭大学,湖南湘潭411105

出　　处：《电气技术》2020年第6期1-6,共6页Electrical Engineering

基　　金：国家自然科学基金项目(51507148);风力发电机组及控制湖南省重点实验室开放研究基金(2016FLFDYB02)。

摘　　要：高精度伺服控制系统中,为了确保电机顺利平滑起动,同时避免由于使用光电编码器或旋转变压器等位置式传感器所带来的体积大、抗干扰能力差、成本高、可靠性低等缺点,对永磁同步电机在无传感器控制技术领域的初始位置角检测进行了综述。首先,介绍了永磁同步电机无位置传感器初始位置检测的各种方法,并分析了各个方法的优缺点;其次,分别对目前最常用的高频信号注入法进行了详细介绍;最后,对永磁同步电机无位置传感器初始位置角检测的发展趋势进行了展望。In high-precision servo control system,in order to ensure the smooth start of the motor and avoid the disadvantages of large volume,poor anti-interference ability,high cost and low reliability caused by the use of position sensors such as photoelectric encoder or rotating transformer,detection methods for the initial position angle in the field of sensorless control technology for PMSM are summarized.Firstly,various methods of initial position detection of sensorless PMSM are introduced,and the advantages and disadvantages of each method are analyzed.Secondly,the most commonly used high frequency signal injection method is introduced in detail.Finally,the development trend of initial position angle detection without position sensor in PMSM is prospected.

关 键 词：永磁同步电机 初始位置角检测 无传感器控制技术 伺服控制系统 

分 类 号：TM341[电气工程—电机]