Research on online Parameter Identification of Permanent Magnet Synchronous Motor Based on Model Reference Adaptive System

ZHANG Ruifeng; YU Senlin; LIU Ting; ZHAN Zhejum

doi:10.13890/j.issn.1000-128x.2015.02.018

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Research on online Parameter Identification of Permanent Magnet Synchronous Motor Based on Model Reference Adaptive System

更新时间：2021-12-13

- Research on online Parameter Identification of Permanent Magnet Synchronous Motor Based on Model Reference Adaptive System
- Electric Drive for Locomotives Issue 2, Pages: 71-76(2015)
- 作者机构：
  
  1. 永济新时速电机电器有限责任公司技术中心
- 作者简介：
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- DOI：10.13890/j.issn.1000-128x.2015.02.018
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ZHANG Ruifeng, YU Senlin, LIU Ting, et al. Research on online Parameter Identification of Permanent Magnet Synchronous Motor Based on Model Reference Adaptive System. [J]. Electric Drive for Locomotives (2):71-76(2015)
DOI：

ZHANG Ruifeng, YU Senlin, LIU Ting, et al. Research on online Parameter Identification of Permanent Magnet Synchronous Motor Based on Model Reference Adaptive System. [J]. Electric Drive for Locomotives (2):71-76(2015) DOI： 10.13890/j.issn.1000-128x.2015.02.018.

摘要

为实现用模型参考自适应(MRAS) 对永磁同步电机(PMSM) 参数进行在线辨识，建立了参考模型与可调模型，将两模型输出的差经过自适应机构，并通过合适的自适应率来实时调节可调模型中的待辨识参数，最终使得可调模型中的待辨识参数收敛到一个正确的值，从而得到要辨识的电机参数。仿真和试验结果表明，基于MRAS 的在线参数辨识算法可以准确、实时地辨识出永磁同步电机的定子电阻、电感和永磁体磁链。

Abstract

In order to implement model reference adaptive system online parameter identification for PMSM, reference model and adjustable model was constructed, and with the output difference of the two model through adaptive device, the parameters for identifying were obtained by adjustable model adaptive rate regulating, eventually making the parameters for identifying in the adjustable model converge to a correct value, the parameters was obtained. Simulation and experimental validated that with the method, stator resistance, stator inductance, the flux of the permanent magnet could be identified accurately in real time.

关键词

永磁同步电机模型参考自适应在线参数辨识参考模型可调模型

Keywords

permanent magnet synchronous motor (PMSM)model reference adaptiveparameter online identificationreference modeladjustable model

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