| 基于MRAS理论的无速度传感器直接转矩控制调速系统 |
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| 引用本文： | 佘致廷,肖岸文,孙炜,王耀南,彭永进. 基于MRAS理论的无速度传感器直接转矩控制调速系统[J]. 电工技术学报, 2006, 21(4): 98-101 |
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| 作者姓名： | 佘致廷 肖岸文 孙炜 王耀南 彭永进 |
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| 作者单位： | 湖南大学电气与信息工程学院,长沙,410082;长沙理工大学电气与信息工程学院,长沙,410015 |
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| 摘 要： | 在MRAS理论基础上讨论了三种转速观测法,并将其中既能实现电机转速辨识又能实现定子电阻辨识的交互式模型参考自适应方法应用于异步电机无速度传感器直接转矩控制中.该方法能较好地解决电机参数变化对调速精度和系统稳定性影响的问题,仿真结果证明了该方案的有效性.
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| 关 键 词： | 异步电机 无速度传感器 直接转矩控制 模型参考自适应系统 |
| 修稿时间： | 2004-03-02 |
Speed-Adjustable System of Sensorless Direct Torque Control for Induction Motor Based on the MRAS Scheme |
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| She Zhiting,Xiao Anwen,Sun Wei,Wang Yaonan,Peng Yongjin. Speed-Adjustable System of Sensorless Direct Torque Control for Induction Motor Based on the MRAS Scheme[J]. Transactions of China Electrotechnical Society, 2006, 21(4): 98-101 |
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| Authors: | She Zhiting Xiao Anwen Sun Wei Wang Yaonan Peng Yongjin |
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| Affiliation: | 1. Hunan University Changsha 410082 China 2. Changsha University of Science and Technology Changsha 410015 China |
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| Abstract: | Three kinds of speed observation methods are discussed based on (MRAS) in this paper. The mutual MRAS method for the rotor speed and stator resistance identification is proposed to implement a speed sensorless direct torque control of induction motor. The method can solve the problems of speed control accuracy and system stability under the influence of motor parameter variation. Simulation results show the feasibility of the proposed strategy. |
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| Keywords: | Induction motor speed sensorless direct torque control MRAS |
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