|本期目录/Table of Contents|

[1]邢岩,王旭,杨丹,等.改进定子磁链估计器及其参数选取[J].电机与控制学报,2016,20(03):29-35.[doi:10. 15938 / j. emc. 2016. 03. 005]
 XING Yan,WANG Xu,YANG Dan,et al.Novel stator flux linkage estimator and choice of its parameters [J].,2016,20(03):29-35.[doi:10. 15938 / j. emc. 2016. 03. 005]
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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:
20
期数:
2016年03
页码:
29-35
栏目:
出版日期:
2016-03-02

文章信息/Info

Title:
Novel stator flux linkage estimator and choice of its parameters
作者:
邢岩1 王旭2 杨丹2 张志美2
(1. 通化师范学院 计算机学院,吉林 通化 134000; 2. 东北大学 信息科学与工程学院,辽宁 沈阳 110819)
Author(s):
XING Yan1 WANG Xu2 YANG Dan2 ZHANG Zhi-mei2
 ( 1. College of Computer,Tonghua Normal University,Tonghua 134000,China;
2. College of Information Science and Engineering,Northeastern University,Shenyang 110819,China)
关键词:
永磁同步电机 无传感器控制 扩展卡尔曼滤波 直接转矩控制 EKF 协方差矩阵参数选取
Keywords:
permanent magnet synchronous motor sensorless control extended Kalman filter direct torque control choice of the extended Kalman filter covariance matrices
分类号:
TM 351
DOI:
10. 15938 / j. emc. 2016. 03. 005
文献标志码:
A
摘要:
在永磁同步电动机直接转矩控制系统中根据电磁转矩和定子磁链误差选择合适的定子电 压矢量,因此必须对定子磁链进行估计。针对传统定子磁链计算中存在的受定子电阻和反电动势 积分影响等问题,研究了扩展卡尔曼滤波在永磁同步电动机定子磁链估计中的应用。建立了以定 子电流,转子速度和转子位置为状态变量的扩展卡尔曼滤波估计器,进而利用永磁同步电动机的电 流模型计算定子磁链。同时,在大量仿真实验基础上,总结协方差矩阵参数对系统性能的影响。实 验结果表明所提出的算法不仅能准确估计速度、转子位置和定子磁链,并且对电机参数具有很强的 鲁棒性。
Abstract:
The change of the stator flux linkage vector depend on torque and stator flux errors,so stator flux estimation is an indispensable part of direct torque control( DTC) system of permanent magnet syn-chronous motor ( PMSM) . Extended Kalman filter( EKF) was studied to sove problems of low robustness with stator resistance and integration of back electromotive force in conventional stator flux estimation. And EKF estimator was established by taking the stator current,rotor speed and rotor position as state variable,and then,the value of stator flux was calculated based on the current model of PMSM. Still, the effect on system performance of the EKF covariance matrices was mentioned based on lots of simula-tions. The results indicate that the proposed method not only do well in speed,rotor position and stator flux linkage estimation,but also has robust to motor parameters.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2013 - 04 - 10
基金项目: 中央高校基础科研项目( N100304008)
作者简介: 邢 岩( 1986—) ,女,博士,研究方向为永磁同步电机控制及其应用;
王 旭( 1956—) ,男,教授,博士生导师,研究方向为电机及其控制、自动化装置与智能控制系统;
杨 丹( 1979—) ,女,博士,讲师,研究方向为智能信号处理技术;
张志美( 1982—) ,女,博士研究生,讲师,研究方向为智能信号处理技术。
更新日期/Last Update: 2016-06-23