永磁同步电机无位置传感器控制策略概述  

Overview of Sensorless Control Strategy for Permanent Magnet Synchronous Motor

作　　者：李晨睿 王晓琳[1] LI Chenrui;WANG Xiaolin(Nanjing University of Aeronautics and Astronautics,Nanjing 210000,Jiangsu,China)

机构地区：[1]南京航空航天大学,江苏南京210000

出　　处：《电气传动自动化》2024年第5期11-16,共6页Electric Drive Automation

摘　　要：系统地梳理了永磁同步电机无位置传感器控制技术的发展动态,剖析了中高速状态下扩展反电势法、滑膜观测器法、龙伯格观测器法等不同技术的数学模型与结构框图,分析了零低速下脉振高频信号注入法、低频电流注入法等多种策略的向量图原理,揭示并对比了各类永磁同步电机无传感器控制技术各自的优点与不足,分析相应的适用场合,并前瞻性地指出了未来研究中可能聚焦的议题。This paper systematically reviews the development trends of sensorless control technology for permanent magnet synchronous motors,analyzes the mathematical models and structural diagrams of different technologies such as extended back electromotive force method,sliding film observer method,and Longberg observer method under medium and high speed conditions,analyzes the vector diagram principles of various strategies such as pulse vibration high-frequency signal injection method and low-frequency current injection method under zero low speed,reveals and compares the advantages and disadvantages of various sensorless control technologies for permanent magnet synchronous motors,analyzes the corresponding applicable scenarios,and prospectively points out the topics that may be focused on in future research.

关 键 词：纯电动汽车 永磁同步电机 无位置传感器控制 速度段 控制策略 

分 类 号：TM341[电气工程—电机]