|本期目录/Table of Contents|

[1]鲁家栋,刘景林. 内置式永磁同步电机低速无位置传感器控制[J].电机与控制学报,2018,22(03):88-94.[doi:10.15938/j.emc.2018.03.012]
 LU Jia-dong,LIU Jing-lin. Low-speed position sensorless control of IPMSM basedon high frequency signal injection[J].,2018,22(03):88-94.[doi:10.15938/j.emc.2018.03.012]
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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03
页码:
88-94
栏目:
出版日期:
2018-03-15

文章信息/Info

Title:
 Low-speed position sensorless control of IPMSM basedon high frequency signal injection
作者:
 鲁家栋 刘景林
 ( 西北工业大学 自动化学院,陕西 西安 710129)
Author(s):
  LU Jia-dong LIU Jing-lin
  ( College of Automation Engineering,Northwestern Polytechnical University,Xi’an 710129,China)
关键词:
 内置式永磁同步电机 无位置传感器 高频信号注入 凸极追踪 幅值提取
Keywords:
 interior permanent magnet synchronous motor sensorless high-frequency signal injection sa-liency tracking amplitude extraction
分类号:
TM341
DOI:
10.15938/j.emc.2018.03.012
文献标志码:
A
摘要:
 针对内置式永磁同步电机低速无位置传感器控制相关问题,在分析内置式永磁同步电机动态数学模型的基础上,提出了一种基于高频信号注入法的转子位置估计方法。通过向电机的控制电压中叠加一个三相对称高频电压信号,对三相电流响应信号进行带通滤波,得到高频电流分量,利用最小二乘算法提取三相高频电流响应的幅值大小,并经过特定算法提取出转子位置。该算法运算量小,估计误差低,易于实现,对电机参数变化不敏感,鲁棒性强,对一台内置式永磁同步电机无位置运行的实验结果表明转子位置提取算法的有效性,根据工作状态的不同,检测误差会有所不同,但误差限都控制在"6°( 电角度) 以内,平均检测误差都小于 3°( 电角度) 。
Abstract:
 On the basis of analyzing the mathematic model of the interior permanent magnet synchronousmachine,a novel rotor position estimation scheme based on high-frequency injection ( HFI) was pro-posed,which meets the need of low-speed sensorless control of IPMSM. In the proposed method,a three-phase symmetrical high-frequency voltage signal was superimposed in the control voltage first,then thehigh-frequency current component was obtained by band-pass filtering of the three-phase current signal,
the amplitude of the three-phase high-frequency current response was extracted by least square algorithm,and finally the rotor position was obtained. The mathematical processing algorithm operation is small andthe algorithm is easy to implement,the estimation error is small,and robustness is strong. The experi-mental results show that the proposed estimation method for rotor position is correct. The error limits arecontrolled within 6° ( in electrical degree) ,and the average detection error is less than 3° ( in electricaldegree) ,which brings a practical value in engineering.

参考文献/References:

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备注/Memo

备注/Memo:
 收稿日期: 2016 - 10 - 09
基金项目: 陕西省科技统筹创新工程计划项目( 2013KTCQ01 - 20,2016KTCQ01 - 49)
作者简介: 鲁家栋( 1990—) ,男,博士研究生,研究方向为永磁同步电机无位置值传感器控制技术等;
刘景林( 1964—) ,男,博士,教授,研究方向为航空航天微特电机及驱动系统、电机智能控制及测试技术等
更新日期/Last Update: 2018-06-30