基于扩展反电动势法的长定子直线同步电机无速度传感器控制研究

doi:10.19595/j.cnki.1000-6753.tces.161256

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Abstract Motion control of synchronous motors requires accurate position and velocity signalsto realize field orientation.When long stator linear synchronous motor runs at high speed, the position and velocity signalsis hard to be obtained by mechanical sensor.To solve this problem, a speed sensorless control method based on extended electromotive force (EEMF) is studied forlong stator linear synchronous motor. With the mathematical model of long stator linear synchronous motor, the robustness of speed sensorless control methodbased on EEMFisanalyzed. Simulation and experimental results show that the speedsensorless 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 robustto the motorparameters.

Key words： Linear synchronous motor speed sensorless extended electromotive force (EEMF) maglev train robustness

Received: 08 August 2016 Published: 22 December 2017

PACS:

TM359.4

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	Articles by authors
	Zhang Bo
	Ge Qiongxuan
	Liu Jinxin
	Wang Xiaoxin
	Li Yaohua

Cite this article:

Zhang Bo,Ge Qiongxuan,Liu Jinxin等. Research on Speed Sensorless Control of Long Stator Linear Synchronous Motor Based on EEMF[J]. Transactions of China Electrotechnical Society, 2017, 32(23): 91-99.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.161256 OR https://dgjsxb.ces-transaction.com/EN/Y2017/V32/I23/91

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