| 模糊神经网络定子电阻辨识器在直接转矩控制系统应用研究 |
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| 引用本文： | 叶汉民,唐婵娟,朱伟,余鑫晨,王敏.模糊神经网络定子电阻辨识器在直接转矩控制系统应用研究[J].组合机床与自动化加工技术,2011(9). |
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| 作者姓名： | 叶汉民 唐婵娟 朱伟 余鑫晨 王敏 |
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| 作者单位： | 桂林理工大学机械与控制工程学院,广西桂林,541004 |
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| 基金项目： | 广西研究生教育创新计划(2010105960811M31) |
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| 摘 要： | 文章以直接转矩控制系统为研究对象,由于异步电机定子电阻的变化会影响控制系统的动态性能,因此提出了基于模糊神经网络控制的定子电阻辨识观测器,通过定子电流的观测来对定子电阻进行在线识别,实时检测,计算出准确的定子磁链,减小转矩脉动和提高系统响应速度,以提高低速性能.并在MATLAB/Simulink中建立了对系统的仿真测试模型,仿真结果表明该系统能够精确检测定子电阻,对定子磁链进行很好的补偿,减小了转矩脉动,提高了系统的响应速度.
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| 关 键 词： | 模糊神经网络 定子电阻辨识 直接转矩控制 低速性能 |
Fuzzy Neural Network for the Stator Resistance Observer in Direct Torque Control Application Study |
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| YE Han-min,TANG Chan-juan,ZHU Wei,YU Xin-chen,WANG Min.Fuzzy Neural Network for the Stator Resistance Observer in Direct Torque Control Application Study[J].Modular Machine Tool & Automatic Manufacturing Technique,2011(9). |
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| Authors: | YE Han-min TANG Chan-juan ZHU Wei YU Xin-chen WANG Min |
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| Affiliation: | YE Han-min,TANG Chan-juan,ZHU Wei,YU Xin-chen,WANG Min(College of Mechanical and Control Engineering,Guilin University of Technology,Guilin Guangxi 541004,China) |
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| Abstract: | Due to the variation of resistance in a speed regulating system of Asynchronous machine based on direct torque control,the performance of the dynamic control system is influenced.In order to solve this problem,the paper advises a method which is implemented the Fuzzy Neural Network to observe the resistance.The estimators observes the stator current vector of the machine to detect the changes in stator resistance,thought putting the trained result into the observer,surveying real time date and computing the... |
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| Keywords: | fuzzy neural network estimation of stator resistance direct torque control low speed property |
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