一种自适应同步滤波器和正交锁相环相结合的滑模观测器

doi:10.19595/j.cnki.1000-6753.tces.L70545

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Abstract In order to accelerate the speed and improve the position observation performance of surface-mounted permanent-magnet synchronous motor (SM-PMSM), a sliding mode observer (SMO) was proposed combined with adaptive synchronization filter (ASF) and quadrature phase lock loop (PLL). Firstly, based on the mathematical model of the motor, the sliding mode current observer was constructed and the back electromotive force (back-EMF) was obtained. Secondly, using the position signal calculated by the phase-locked loop as the reference, the filter adjusted the band-pass cut-off frequency adaptively, filtered out a large amount of buffeting and harmonics in the back electromotive force, and output the fundamental back-EMF synchronously. Then, the phase-locked loop calculated the rotor speed and position based on the fundamental back-EMF. Finally, a simulation model of Matlab/Simulink and a hardware-in-the-loop simulation platform based on dSPACE were built. Simulation and experimental results show that the proposed method has good tracking performance and robustness to motor parameter perturbation.

Key words： Surface-mounted permanent magnet synchronous motor adaptive synchronization filter quadrature phase locked loop sliding mode observer

Received: 21 August 2016 Published: 31 January 2018

PACS:	TM341
	TM351

Fund:国家自然科学基金（51607027）,四川省科技支撑计划（2016GZ0395、2017GZ0391、2017GZ0392）和中央高校基本科研业务费专项资金（ZYGX2016KYQD123）资助项目

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	Chen Yong
	Gao Yuwen
	Chen Zhangyong

Cite this article:

Chen Yong,Gao Yuwen,Chen Zhangyong. A Sliding Mode Observer Based on Combination of Adaptive Synchronization Filter and Quadrature Phase Locked Loop[J]. Transactions of China Electrotechnical Society, 2018, 33(2): 265-274.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.L70545 OR https://dgjsxb.ces-transaction.com/EN/Y2018/V33/I2/265

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