| 异步电动机直接转矩控制系统低速性能的改善 |
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| 引用本文： | 韩春宝,时国平.异步电动机直接转矩控制系统低速性能的改善[J].微电机,2011,44(2):61-64. |
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| 作者姓名： | 韩春宝 时国平 |
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| 作者单位： | 1. 合肥工业大学,合肥,230000
2. 池州学院物理与机电工程系,池州,247000 |
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| 基金项目： | 安徽省教育厅2010年自然科学基金项目(KJ2010B134); 池州学院2009年度校级科研自然重点项目(XK0903) |
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| 摘 要： | 针对传统的异步电动机直接转矩控制方法存在的低速转矩脉动问题,将定子电阻观测器与转矩预测控制相结合,构成改进的异步电动机直接转矩控制系统,搭建了改进异步电动机直接转矩控制系统的Simulink仿真模型,系统仿真结果表明:改进的异步电动机直接转矩控制系统能够有效降低系统低速运行时的转矩脉动,提高系统低速运行的鲁棒性。
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| 关 键 词： | 异步电动机 直接转矩控制 定子电阻观测 转矩预测控制 转矩脉动 |
Improve Low Speed Performance on Direct Torque Control System of Induction Motor |
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| HAN Chunbao,SHI Guoping.Improve Low Speed Performance on Direct Torque Control System of Induction Motor[J].Micromotors,2011,44(2):61-64. |
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| Authors: | HAN Chunbao SHI Guoping |
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| Affiliation: | HAN Chunbao,SHI Guoping(1.Hefei University of Technology,Hefei 230000,China,2.Department of Physics and Electrical Engineering,Chizhou College,Chizhou 247000,China) |
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| Abstract: | The improved induction motor direct torque control system was formed by the combine of the stator resistance observer and the torque predictive control in the article,based on the low-speed torque ripple problem existing on the traditional method of induction motor direct torque control.Simulink simulation model of the improved induction motor direct torque control system was built and showed the simulation results that the improved direct torque control system can effectively reduce torque ripple and impro... |
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| Keywords: | induction motor direct torque control stator resistance observation torque predictive control torque ripple |
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