绕组分段永磁直线同步电机无传感器控制

doi:10.19595/j.cnki.1000-6753.tces.L70524

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Abstract The fundamental electromagnetic parameters of WS-PMLSM changes according to the position variation of shuttle, which is caused by the effect of magnetic field coupling between the segments and end effect. All these factors must lead to the failure of implementing conventional sensorless control. First of all to solve this problem the study adopts the finite element analysis and experimental test methods to research and gets the variation rules between parameters and the position of shuttle, then an accurate mathematical model of WS-PMLSM is established based on these studies. In order to archive WS-PMLSM speed and current double closed-loop operation at the wide-range speed regulation and full stroke without position sensor,this paper puts forward a kind of sensorless control methods according to the characteristics of inter-segment estimated back-EMF, which is adopted feedback adaptive sliding-mode observer (FA-SMO) combined with inter-segment estimated back-EMF synchronized method. Ultimately, simulation and experiments are delivered to verify the accuracy and reliability of the proposed methods.

Key words： Segmented winding permanent magnet linear synchronous motor (PMLSM) Sensorless control back-EMF synchronized

Received: 20 August 2016 Published: 10 November 2017

PACS:

TM315

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	Articles by authors
	Zhu He
	Zhang Jinzhao
	Dong Rui
	Liu Chunyuan
	Li Liyi

Cite this article:

Zhu He,Zhang Jinzhao,Dong Rui等. Sensorless Control of Winding Segmented Permanent Magnet Linear Synchronous Motor[J]. Transactions of China Electrotechnical Society, 2017, 32(21): 65-76.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.L70524 OR https://dgjsxb.ces-transaction.com/EN/Y2017/V32/I21/65

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