|本期目录/Table of Contents|

[1]李星雨,杜锦华,梁得亮,等. 基于改进脉振注入法的永磁直线电机无传感器低速控制[J].电机与控制学报,2018,22(12):30-36.[doi:10.15938/j.emc.2018.12. 004]
 LI Xing-yu,DU Jin-hua,LIANG De-liang,et al. Sensorless control of PMLSM based on fluctuating high-frequency signal injection at low speed[J].,2018,22(12):30-36.[doi:10.15938/j.emc.2018.12. 004]
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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:
22
期数:
2018年12
页码:
30-36
栏目:
出版日期:
2018-11-30

文章信息/Info

Title:
 Sensorless control of PMLSM based on fluctuating high-frequency signal injection at low speed
作者:
 李星雨 杜锦华 梁得亮 黄龙飞 娄建勇
 ( 西安交通大学电气工程学院,陕西西安710049)
Author(s):
 LI Xing-yu DU Jin-hua LIANG De-liang HUANG Long-fei LOU Jian-yong
 ( School of Electrical Engineering,Xi’an Jiaotong University,Xi’an 710049,China)
关键词:
永磁直线电机 无位置传感器控制 高频注入法 初始位置计算
Keywords:
permanent magnet linear synchronous motor sensorless control high frequency pulsing voltage injection initial position detection
分类号:
TM 359. 4
DOI:
10.15938/j.emc.2018.12. 004
文献标志码:
A
摘要:
针对永磁直线电机的无位置传感器控制在低速的研究,提出脉振高频注入法的永磁直线电机低速无传感器控制策略,并加以改进。利用电机饱和凸极性进行电流调制,提取出动子的位置信息,在此基础上,引入相位补偿提高系统信噪比,并利用磁极判断消除高频注入法的初始位置计算误差,最终实现永磁同步直线电机启动和低速的无位置传感器矢量控制。对该方法进行了仿真分析,并在以实时仿真平台为基础的永磁直线电机上进行了实验验证,结果表明改进的脉振式高频注入法能够快速精确地估计动子初始位置和运动情况,具有良好的动态性能,实现了在永磁直线电机上高性能的无传感器低速控制。
Abstract:
A sensorless control method of permanent magnet linear synchronous motor( PMLSM) based on high frequency pulsing voltage injection is proposed to overcome the disadvantage of bad estimation accuracy at low speed. The method used the salient pole effect of PMLSM to estimate rotor position. On the basis,phase locked loop was used to improve signal to noise ratio and the motor magnetic saturation effect was used to distinguish the NS poles which can get the initial rotor position. Simulation results and the experimental
result based on the experiment platform with RT-LAB as the control core show that the high frequency pulsing voltage injection method can simply and effectively detect the position and identify the polarity of the rotor and the method can be applied to PMLSM sensor-less control system.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2016 - 08 - 03
基金项目: 国家自然科学基金( 51407137)
作者简介: 李星雨( 1992—) ,男,硕士,研究方向为直线电机的控制和多场仿真;
杜锦华( 1984—) ,女,讲师,博士,研究方向为电机设计及其驱动;
娄建勇( 1975—) ,男,博士,研究方向为特种电机和电磁设备数值分析。
通信作者: 娄建勇
更新日期/Last Update: 2019-03-07