[1]倪风雷,王瑞金,邹 添.基于激励信号优化设计的PMSM参数辨识[J].机械与电子,2017,(11):33-37.
　NI Fenglei,WANG Ruijin,ZOU Tian.PMSM Parameter Identification Based on Optimized Excitation Signals[J].Machinery & Electronics,2017,(11):33-37.
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基于激励信号优化设计的PMSM参数辨识
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《机械与电子》[ISSN:1001-2257/CN:52-1052/TH]

卷:
期数:
2017年11期
页码:
33-37
栏目:
机电一体化技术
出版日期:
2017-11-25

文章信息/Info

Title:
PMSM Parameter Identification Based on Optimized Excitation Signals
文章编号:
1001-2257(2017)11-0033-05
作者:
倪风雷; 王瑞金; 邹 添
(哈尔滨工业大学机器人技术与系统国家重点实验室,黑龙江 哈尔滨 150001)
Author(s):
NI Fenglei;  WANG Ruijin;  ZOU Tian
(State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150001,China)
关键词:
参数辨识;  逆变器;  激励信号;  永磁同步电机;  最小二乘原理
Keywords:
parameter identification;  inverter;  excitation signal;  permanent magnet synchronous motor;  least squares principle
分类号:
TM341
文献标志码:
A
摘要:
针对现有永磁同步电机参数辨识算法复杂以及逆变器影响辨识结果的问题,依据最小二乘原理,在辨识相绕组Rs,转子磁链幅值ψf时,设计激励信号uqref分别为方向固定、旋转的斜坡信号,在辨识d,q轴电感Ld,Lq时,分别设计激励信号udref,uqref为方向固定的阶跃信号,从而消除逆变器的影响,简化dq同步旋转坐标系下的电机模型,完成Rs,ψf,Ld,Lq的辨识。依据理论整定公式和Rs,Lq的辨识结果,完成电流环PI控制参数的整定。实验结果表明,辨识结果和真实值误差较小,用于电流环PI控制参数的整定可以得到与理论相近的控制效果。
Abstract:
This paper aims at solving two major problems, that is, the existing algorithm for the parameter identification of permanent magnet synchronous motor is complex, and the inverters may affect the accuracy of the identification results. According to the principle of least squares, excitation signal uqref are designed respectively to be direction-fixed and rotating ramp signal when identifying the phase winding Rs and the rotor flux amplitude ψf; and the excitation signal udref and uqref are designed to be direction-fixed step signal when identifying the Ld and Lq inductances of d and q axis. Thereby, the influence of the inverter is eliminated. And with the motor model in dq synchronous rotating coordinate motor model simplified, the identification of Rs, ψf, Ld, and Lq is completed. According to the theoretical tuning formula and the identification results of Rs and Lq, the tuning of the current loop PI control parameters is completed. The experimental results show that the identification result is close to the true value with small errors, and the experimental current response is close to the theoretic analysis.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2017-06-02
基金项目:国家自然科学基金委员会创新研究群体科学基金项目(51521003)
作者简介:倪风雷(1975-),男,山东日照人,博士,副教授,研究方向为机器人驱动及控制技术; 王瑞金(1991-),男,安徽阜阳人,硕士研究生,研究方向为机器人驱动及控制技术; 邹 添(1986-),男,山东青岛人,博士研究生,研究方向为机器人驱动及控制技术。
更新日期/Last Update: 2017-11-25