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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:

18

期数:

2014年04

页码:

45-51

栏目:

出版日期:

2014-04-15

文章信息/Info

Title:

 Ｒesidual based extended least squares identification method of
permanent magnet synchronous motor dual-rate sampling data system

作者:

 徐鹏;  肖建;  杨奕;  李山

 1． 西南交通大学电气工程学院，四川成都610031; 2． 重庆理工大学电子信息与自动化学院，重庆400054

Author(s):

 XU Peng;  XIAO Jian;  YANG Yi;  LI Shan

 1． School of Electrical Engineering，Southwest Jiaotong University，Chengdu 610031，China;
2． School of Electronic and Automation，Chongqing University of Technology，Chongqing 400054，China

关键词:

 ; 永磁同步电机;  多采样率;  多项式变换技术;  残差;  增广最小二乘算法;  一致收敛

Keywords:

 ; permanent magnet synchronous motors;  multi-rate sampling;  polynomial transformation technique; residual;  extended least squares;  uniformly convergence

分类号:

-

DOI:

-

文献标志码:

A

摘要:

 针对永磁同步电机系统输入输出的本质多采样率特性，结合多项式变化技术，构建模型转
换矩阵，推导出基于电流和电压的永磁同步电机双率采样数学模型，获得其扩展参数向量，并构建
其回归模型，针对输入输出量中不可测干扰量采用残差估计，进而建立永磁同步电机双率残差增广
最小二乘算法( DＲ － ＲELS) ，对其算法收敛性进行分析。仿真实验结果表明，DＲ － ＲELS 算法对变
换后的永磁同步电机双率采样数据模型参数估计一致收敛，同时噪声方差的大小影响该算法收敛
效果。

Abstract:

 Permanent magnet synchronous motors( PMSM) control system has multi-rate sampling characteristic
in itself on the system input and output． The model transformation matrix was proposed based on
polynomial transformation technique and the dual-rate mathematical model of PMSM was induced under
the current and voltage，and the extended parameters vector and regressive model of dual-rate sampled
system was acquired． The residual was used to estimate the unmeasurable noise，and then the residual
based extended least squares ( DＲ-ＲELS) was proposed and used to the parameters identification，and
the convergence properties of the algorithm was analyzed． Simulation results show that DＲ-ＲELS is uniformly
convergence for the parameters of PMSM dual-rate sampling system，and meanwhile noise variance
affects the convergence performance of this proposed algorithm．

参考文献/References:

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更新日期/Last Update: 2014-11-25