[1]潘月斗,陈虎,封芸.基于FNTSM的感应电机定子磁链观测器研究[J].深圳大学学报理工版,2013,30(No.6(551-660)):578-583.[doi:10.3724/SP.J.1249.2013.06578]
 Pan Yuedou,Chen Hu,and Feng Yun.A stator flux observer for induction motor based on FNTSM method[J].Journal of Shenzhen University Science and Engineering,2013,30(No.6(551-660)):578-583.[doi:10.3724/SP.J.1249.2013.06578]
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基于FNTSM的感应电机定子磁链观测器研究()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第30卷
期数:
2013年No.6(551-660)
页码:
578-583
栏目:
电子与信息科学
出版日期:
2013-09-30

文章信息/Info

Title:
A stator flux observer for induction motor based on FNTSM method
文章编号:
20130605
作者:
潘月斗陈虎封芸
1) 北京科技大学自动化学院,北京100083
2) 北京科技大学钢铁流程先进控制教育部重点实验室,北京100083
Author(s):
Pan Yuedou Chen Hu and Feng Yun
1)  School of Automation and Electrical Engineering, University of Science and Technology Beijing, Beijing 100083, P.R.China
2) Key Laboratory of Advanced the Ministry of Education of China for Control of Iron and Steel Process, University of Science and Technology Beijing, Beijing 100083, P.R.China
关键词:
电机学 感应电机 直接转矩控制 磁链观测 电流观测 快速非奇异终端滑模 全局收敛
Keywords:
electric machinery induction motor direct torque control stator flux electro flux fast nonsingular terminal sliding mode global convergence
分类号:
TM 301.2;O 231.2
DOI:
10.3724/SP.J.1249.2013.06578
文献标志码:
A
摘要:
针对感应电机直接转矩控制方法存在的定子磁链电压模型积分漂移、无法建立初始磁链和低速时观测精度低,以及磁链的电流模型精度与电机转速相关、易受电动机参数影响等问题,提出基于快速非奇异终端滑模(fast nonsingular terminal sliding mode,FNTSM)的定子磁链估算方法,通过跟踪感应电机的定子电流来观测定子磁链.该方法可使系统全局快速收敛且具非奇异性,在高阶滑模控制律中通过积分作用可有效减小系统的抖振.仿真结果表明,基于终端滑模的定子磁链观测可快速跟踪实际电流,估算出定子磁链,且鲁棒性强.
Abstract:
The direct torque control method in induction motor control system is suffering from problems such as the integral drift of the voltage model of stator flux observer, the failure of flux initialization, poor accuracy in low speed observation, the dependence of accuracy of current-model on the motor speed, and the vulnerability of performance to the motor parameters. To solve these problems, a stator flux observer of induction motor based on the fast nonsingular terminal sliding mode (FNTSM) method is proposed to track the stator current. The FNTSM method supplies the system with fast global convergence and non-singularity. The integral in high-order sliding mode control law could reduce the chattering of the system. The simulation results show that the proposed method is capable of tracking the actual current quickly and, estimates the stator flux accurately with strong robustness.

参考文献/References:

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备注/Memo

备注/Memo:
Received:2012-01-07;Revised:2013-10-08;Accepted:2013-10-08
Foundation:Fundamental Research Funds for the Central Universities (FRF-AS-09-006B)
Corresponding author:Associate professor Pan Yuedou. E-mail: ydpan@ustb.edu.cn
Citation:Pan Yuedou,Chen Hu,Feng Yun.A stator flux observer for induction motor based on FNTSM method[J]. Journal of Shenzhen University Science and Engineering, 2013, 30(6): 578-583.(in Chinese)
基金项目:中央高校基本科研业务费专项资金资助项目(FRF-AS-09-006B)
作者简介:潘月斗(1966-),男(汉族),吉林省吉林人,北京科技大学副教授、博士.E-mail:pyd88165@163.com
引文:潘月斗,陈虎,封芸.基于FNTSM的感应电机定子磁链观测器研究[J]. 深圳大学学报理工版,2013,30(6):578-583.
更新日期/Last Update: 2013-11-20