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无速度传感器感应电机控制中定子电阻辨识策略研究 被引量：3

Stator Resistance Identification for Speed Sensorless Control of Induction Motor
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摘要 在对基于模型参考自适应方法(MRAS)的无速度传感器感应电机矢量控制系统分析的基础上,提出了一种基于MRAS的电机定子电阻在线辨识策略,分析了定子电阻的变化对转速估算的影响,利用李雅普诺夫定理在保证系统全局渐近稳定的前提下推导出定子电阻的自适应辨识公式。基于Matlab/Simulink仿真环境,对无速度传感器感应电机矢量控制系统定子电阻辨识进行了仿真。仿真结果表明,提出的定子电阻估算方法辨识效果较好,采用辨识后的电机定子电阻提高了转速估算的精度,改善了无速度传感器控制系统的动态性能和稳态性能。 A stator resistance online identification scheme based on MRAS was proposed for speed sensorless control system of induction motor, and the influence of speed estimation due to stator resistance variation was analyzed. The stator resistance was estimated by a PI adaptive equation which deduced from the Lyapunov＇s criterion and the stability of stator resistance estimation was also proved by it. Based on the methods mentioned above, the speed sensorless indirect vector control system was simulated by Matlab/Simulink. Simulation results show the good effect of the proposed stator resistance identification scheme, and moreover, the precision of the estimated speed and the performance of sensorless control system are greatly improved.
作者 李自成 程善美
机构地区 武汉工程大学电气信息学院 华中科技大学控制科学与工程系
出处 《系统仿真学报》 CAS CSCD 北大核心 2009年第8期2355-2357,2376,共4页 Journal of System Simulation
关键词 无速度传感器 定子电阻辨识 感应电机 矢量控制 模型参考自适应 speed sensorless stator resistance identification induction motor vector control MRAS
分类号 TP343 [自动化与计算机技术—计算机系统结构]
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参考文献10

  • 1G Griva, F Profumo, R Bojoi, V Bostan, M Cuibus, C Ilas. General adaptation law for MRAS high performance sensorless induction motor drives [C]// Proceedings of the IEEE PESC'01. USA: IEEE, 2001: 1197-1202.
  • 2X H Nian, T Wang, J Wang, W H Gui, J R Huang, Adaptive Stator Resistance Estimation Method for Speed Sensorless DTC Controlled IM Drives [C]// Proceedings of the IEEE IPEC, 2007. USA:IEEE, 2007: 214-221.
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二级参考文献4

  • 1Griva G,Profumo F,Bojoi R,et al.General adaptation law for MRAS high performance sensorless induction motor drives[J].PESC,IEEE 32nd Annual,2001(2):1197-1202
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  • 4Peng F Z,Fukao T.Robust speed identification for speed-sensorless vector control of induction motors[J].IEEE Transactions Industial Applications,1994,30(5):1234-1240

共引文献9

同被引文献29

引证文献3

二级引证文献8

系统仿真学报
2009年 第8期

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