|本期目录/Table of Contents|

[1]张耀中,黄进,康敏. 永磁同步电机无传感器控制及其启动策略[J].电机与控制学报,2015,19(10):1-6.[doi:10. 15938 /j. emc. 2015. 10. 001]
 ZHANG Yao-zhong,HUANG Jin,KANG Min. Sensorless control and start-up strategy of permanent magnet synchronous motor [J].,2015,19(10):1-6.[doi:10. 15938 /j. emc. 2015. 10. 001]
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 永磁同步电机无传感器控制及其启动策略(PDF)
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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:
19
期数:
2015年10
页码:
1-6
栏目:
出版日期:
2015-12-31

文章信息/Info

Title:
 Sensorless control and start-up strategy of permanent magnet synchronous motor


作者:
 张耀中 黄进 康敏
 (1.浙江大学 电气工程学院,浙江 杭州 310027; 2.浙江科技学院 自动化与电气学院,浙江 杭州 310023)
Author(s):
 ZHANG Yao-zhong1 HUANG Jin1 KANG Min2
 ( 1. College of Electrical Engineering,Zhejiang University,Hangzhou 310027,China;

2. School of Automation and Electrical Engineering,Zhejiang University of Science and Technology,Hangzhou 310023,China)
关键词:
永磁同步电机 无传感器控制 I - f 控制 磁链观测 状态切换
Keywords:
permanent magnet synchronous motor sensorless control I-f control flux observer state con-version
分类号:
TM 351
DOI:
10. 15938 /j. emc. 2015. 10. 001
文献标志码:
A
摘要:
为了实现永磁同步电机的无速度传感器矢量控制,采用改进的磁链观测器法,用低通滤波 环节代替纯积分环节,减小了初值误差及直流偏置误差,同时在极坐标系下对定子磁链幅值及相位 进行补偿,实现转速和转子位置的准确估算。针对带载情况下无法自启动的问题,采用 I - f 控制 自启动方法,避免了启动过程中出现过流情况。设计了一种新的切换方式,给定坐标角度按加权函 数切换至位置观测值,同时相应改变定子电流给定值,保证电机平滑可靠地从 I - f 控制方式切换 为矢量控制方式。实验表明,控制系统能够可靠稳定运行,切换过程平滑,控制性能良好。
Abstract:
In order to realize sensorless vector control of permanent magnet synchronous motor,a novel method based on improved flux observer was adopted. A low-pass filter was used instead of a pure inte-grator,which reduced the errors caused by the initial value and DC offset. The magnitude and phase er-rors of the stator flux linkage introduced by the low-pass filters were compensated in the polar coordinate to make accurate estimation of speed and rotor position. In order to start motor successfully under the load conditions,a start-up method called I-f control was used,which can avoid the problem of overcurrent. A new switching strategy was also adopted. The given position was switched to the estimated according to weighting function. At the same time the given stator current was changed accordingly. It ensured that motors could switch from I-f control mode to vector control mode smoothly and reliably. The experimental results verify that the sensorless control system can work reliably and stably with smooth switching process and good control performance.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2014 - 09 - 22
基金项目: 国家重点基础研究发展计划项目( 973 计划项目) ( 2013CB035604)
作者简介: 张耀中( 1989—) ,男,硕士研究生,研究方向为永磁同步电机无位置传感器控制;
黄 进( 1960—) ,男,博士,教授,博士生导师,研究方向为电机理论、电机故障诊断、电机控制;
康 敏( 1980—) ,男,博士,副教授,研究方向为电机理论与控制。
更新日期/Last Update: 2016-03-10