无传感器永磁同步电机全速范围控制技术综述

doi:10.16180/j.cnki.issn1007-7820.2021.04.010

摘要/Abstract

摘要：

当前永磁同步电机控制系统在向高效率、低成本的方向发展。针对常规机械式位置或速度传感器存在的体积大、成本高、安装不便以及特殊应用场合下可靠性低等问题,无传感器控制技术被广泛应用在电气传动领域。实现无传感器控制的关键在于对电机转子位置或速度进行检测。文中对永磁同步电机无传感器控制技术在零低速、中高速及全速范围内的各种方法进行了分类和总结,介绍了各种方法的原理和特点,并对其优缺点进行了对比分析。最后,文中对永磁同步电机无传感器控制方法的研究重点和发展趋势进行了展望。

关键词: 永磁同步电机, 无位置传感器控制, 转子位置估计, 零低速, 中高速, 全速范围, 信号注入, 滑模观测器

Abstract:

Currently, the control system of permanent magnet synchronous motor is developing towards high efficiency and low cost. In view of the problems of the conventional mechanical position or speed sensors, such as large size, high cost, inconvenient installation and low reliability in special applications, sensorless control technology is widely used in the field of electric drives. The key to realize sensorless control is to detect the rotor position or speed of the motor. This study classifies and summarizes the various methods of sensorless control technology of permanent magnet synchronous motors in the range of zero low speed, medium high speed and full speed. The principle and characteristics of various methods are introduced, and their advantages and disadvantages are analyzed and compared. Finally, the research focus and development trends of sensorless control methods for permanent magnet synchronous motors are prospected.

Key words: permanent magnet synchronous motors, position sensorless control, rotor position estimation, zero low speed, medium high speed, full speed range, signal injection, sliding mode observer

中图分类号:

TP273

周涛,蒋全. 无传感器永磁同步电机全速范围控制技术综述[J]. 电子科技, 2021, 34(4): 59-69.

ZHOU Tao,JIANG Quan. Overview of Sensorless Control Technology for Full Speed Range Permanent Magnet Synchronous Motors[J]. Electronic Science and Technology, 2021, 34(4): 59-69.

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