基于扩张状态观测器的无传感永磁同步电机研究

微特电机 ›› 2020, Vol. 48 ›› Issue (6): 45-48.

基于扩张状态观测器的无传感永磁同步电机研究

卢青高, 唐春茂, 王会明, 李清都

重庆邮电大学,重庆 400065

收稿日期:2018-04-09 出版日期:2020-06-28 发布日期:2020-06-22
作者简介:卢青高(1990—),男,硕士研究生,研究方向为永磁同步电机控制、抗干扰控制。
基金资助:
国家自然科学基金项目(61773083)

Research on Sensorless Permanent Magnet Synchronous Motor Based on Extended State Observer

LU Qing-gao, TANG Chun-mao, WANG Hui-ming, LI Qing-du

Chongqing University of Posts and Telecommunications, Chongqing 400065, China

Received:2018-04-09 Online:2020-06-28 Published:2020-06-22

摘要/Abstract

摘要： 永磁同步电机(PMSM)高性能伺服控制系统中需要对转子位置进行高精度的辨识。设计了一种基于非线性扩张状态观测器(ESO)的PMSM无位置传感器控制方法。仿真结果表明,基于ESO的无位置传感器控制方法能获得准确的转子位置和速度信息,实现了系统的无位置传感器矢量控制。该方法与常用的两种使用滑模观测器(SMO)的无位置传感器控制方法对比,非线性扩张状态观测器不仅对电机参数不敏感,鲁棒性强,而且还具有增益小、无抖振、观测精度高的特性。

关键词: 永磁同步电机, 矢量控制, 无位置传感器控制, 扩张状态观测器

Abstract: High precision identification of rotor position is necessary for the high performance permanent magnet synchronous motor(PMSM) servo control system. The extended state observer (ESO) based sensorless PMSM control mechanism was designed. The simulation results showed that the ESO based sensorless control method could get accurate rotor position and speed information, and achieve the sensorless vector control system. Compared with two common sensorless control methods using sliding mode observer (SMO),the nonlinear extended state observer has the characteristics of insensitivity to motor parameters and strong robustness, as well as small gain, no chattering, and higher observation precision.

Key words: permanent magnet synchronous motor (PMSM), vector control, sensorless control, extended state observer(ESO)

中图分类号:

TM351

卢青高, 唐春茂, 王会明, 李清都. 基于扩张状态观测器的无传感永磁同步电机研究[J]. 微特电机, 2020, 48(6): 45-48.

LU Qing-gao, TANG Chun-mao, WANG Hui-ming, LI Qing-du. Research on Sensorless Permanent Magnet Synchronous Motor Based on Extended State Observer[J]. Small & Special Electrical Machines, 2020, 48(6): 45-48.

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