IPMSM无滤波载波分离高频注入转子位置检测

doi:1004-7018(2018)10-0053-04

微特电机 ›› 2018, Vol. 46 ›› Issue (10): 53-56.doi: 1004-7018(2018)10-0053-04

IPMSM无滤波载波分离高频注入转子位置检测

李玮

常州工程职业技术学院,常州 213164

收稿日期:2018-04-23 出版日期:2018-10-28 发布日期:2018-10-28
作者简介:李玮(1972—),女,副教授,研究方向为自动控制。
基金资助:
2017年度校科研基金项目(11130300117014);2017年江苏省知识产权软科学研究计划项目(JSIP-2017-R-9)

Rotor Position Detection of IPMSM Based on High Frequency Injection Without Filtering Carrier Separation

LI Wei

Changzhou Vocational Institute of Engineering,Changzhou 213164,China

Received:2018-04-23 Online:2018-10-28 Published:2018-10-28

摘要/Abstract

摘要：

基于高频信号注入法的内置式永磁同步电动机转子位置估计需采用低通滤波器有效分离高频PWM载波信号,但降低了系统带宽和动态性能。针对该问题,介绍一种无需低通滤波器的转子位置检测方法。分析滤波环节下实现电机转子位置误差信号解耦对系统带宽和动态性能的影响,研究一种无滤波载波信号分离高频方波信号注入法,实施正弦信号给定下的电流环和转速环带宽测试以及给定电机转速、负载突变下的转子位置检测,实验结果验证了新型无滤波转子位置检测方法对外部负载扰动和转速突变的鲁棒性以及优良的动态性能。

关键词: 内置式永磁同步电动机, 高频信号注入, 转子位置检测, 误差信号解耦, 无位置传感器

Abstract:

IPMSM’s rotor position detection is based on high frequency signal injection method, this needs low pass filter to separate the high frequency PWM carrier signal effectively, which reduces the bandwidth and dynamic performance of the system. In view of the problem, a rotor position detection method of IPMSM without filter was introduced. The influence of signal decoupling on rotor position error on system bandwidth and dynamic performance was analyzed. A high frequency square wave injection method without filtering carrier separation was studied. The current loop and speed loop bandwidth experiments under the given sinusoidal signal and the rotor position detection under the given motor speed and load mutation were implemented. Experiment results verify the robustness and excellent dynamic performance of the new rotor position detection method for external load disturbance and speed mutation.

Key words: interior permanent magnet synchronous motor (IPMSM), high frequency signal injection, rotor position detection, error signal decoupling, sensorless

中图分类号:

TM351

李玮. IPMSM无滤波载波分离高频注入转子位置检测[J]. 微特电机, 2018, 46(10): 53-56.

LI Wei . Rotor Position Detection of IPMSM Based on High Frequency Injection Without Filtering Carrier Separation[J]. Small & Special Electrical Machines, 2018, 46(10): 53-56.

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IPMSM无滤波载波分离高频注入转子位置检测

Rotor Position Detection of IPMSM Based on High Frequency Injection Without Filtering Carrier Separation

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