Research on Speed Sensorless Control of Long Stator Linear Synchronous Motor Based on EEMF

被引：0
|
作者：
Zhang B. [1 ]
Ge Q. [1 ]
Liu J. [2 ]
Wang X. [1 ]
Li Y. [1 ]
机构：
[1] Key Laboratory of Power Electronics and Electric Drive, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing
[2] Beijing Electric Power Economic Research Institute, Beijing
来源：
Diangong Jishu Xuebao/Transactions of China Electrotechnical Society | 2017年 / 32卷 / 23期
关键词：
Extended electromotive force (EEMF); Linear synchronous motor; Maglev train; Robustness; Speed sensorless;
D O I：
10.19595/j.cnki.1000-6753.tces.161256
中图分类号：
学科分类号：
摘要：
Motion control of synchronous motors requires accurate position and velocity signals to realize field orientation. When long stator linear synchronous motor runs at high speed, the position and velocity signals is hard to be obtained by mechanical sensor. To solve this problem, a speed sensorless control method based on extended electromotive force (EEMF) is studied for long stator linear synchronous motor. With the mathematical model of long stator linear synchronous motor, the robustness of speed sensorless control method based on EEMF is analyzed. Simulation and experimental results show that the speed sensorless of EEMF with phase-lock loop (PLL) achieve closed-loop control for the long stator linear synchronous motor at high speed, and this method is robust to the motor parameters. © 2017, The editorial office of Transaction of China Electrotechnical Society. All right reserved.
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页码：91 / 99
页数：8
相关论文
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