基于模糊滑模观测器的磁悬浮高速永磁同步电机转子位置检测方法

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摘要针对普通滑模观测器对永磁同步电机转子位置检测低速抖振问题,提出了一种基于模糊滑模观测器的磁悬浮高速永磁同步电机转子位置检测方法,通过模糊控制调节滑模观测器的滑模增益,以实现低速抖振抑制。在理论上分析了该方法相比于基于饱和函数的滑模观测器的优越性。最后以4kW磁悬浮高速永磁同步电机为研究对象进行了仿真和实验,实现了电机转子位置和转速的估计,并分析了转子位置误差产生的来源以及补偿方式,证明模糊滑模观测器可以有效的估计磁悬浮高速永磁同步电机的转子位置。

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	张洪帅
	王平
	韩邦成
	程金绪

关键词 ：模糊滑模观测器, 磁悬浮高速永磁同步电机, 转子位置检测, 速度估计

Abstract：Focused on the chattering problem of the sliding mode observer(SMO) when the motor speed is low, this paper proposes a kind of magnetic levitation high speed PMSM(HSPMSM) rotor position measuring method based on fuzzy SMO. This method can suppress the chattering problem of the SMO which used the fuzzy control system to change the gain of the SMO. It is more powerful than the SMO based on saturation function which is analysed in theory. In this paper, simulation and experiment with a 4kW magnetic levitation high speed permanent magnet synchronous motor are carried out and the position estimation error is analyzed and a compensation method is proposed. The results demonstrate that the fuzzy SMO can effectively estimate the magnetic levitation high speed PMSM rotor position in a wide speed range.

Key words： Fuzzy sliding mode observer magnetic levitation high speed PMSM rotor position measurement speed estimation

收稿日期: 2013-01-27 出版日期: 2014-08-05

PACS:

TM315

基金资助:国家重大科学仪器设备开发专项（2012YQ040235）和中央高校基本科研业务费专项资金（24720132097A）资助项目

作者简介: 张洪帅男,1988年生,硕士研究生,研究方向为电力电子与电力传动。王平男,1956年生,教授,研究方向为电力传动与控制系统。

引用本文:

张洪帅, 王平, 韩邦成, 程金绪. 基于模糊滑模观测器的磁悬浮高速永磁同步电机转子位置检测方法[J]. 电工技术学报, 2014, 29(7): 147-153. Zhang Hongshuai, Wang Ping, Han Bangcheng, Cheng Jinxu. Rotor Position Measuring Method for Magnetic Levitation High Speed PMSM Based on Fuzzy Sliding Mode Observer. Transactions of China Electrotechnical Society, 2014, 29(7): 147-153.

链接本文:

http://dgjsxb.ces-transaction.com/CN/Y2014/V29/I7/147

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