基于模糊理论的内置式永磁同步电机弱磁控制仿真研究

doi:10.11985/2019.01.001

摘要/Abstract

摘要：

针对内置式永磁同步电机在弱磁运行状态下存在扰动时dq轴电流波动较大的问题,提出了一种基于模糊理论的智能控制策略,借助Matlab/Simulink软件搭建仿真模型,研究了该控制策略在永磁同步电机弱磁运行区突加负载时抑制dq轴电流波动的效果。仿真结果表明该控制策略在弱磁区突加负载时确实可以让电流波动减小。

关键词: 内置式永磁同步电机, 弱磁控制, 模糊PI控制器

Abstract:

As internal permanent magnet synchronous motor(IPMSM) running at weak magnet field with disturbance of a fluctuated current of axis, an intelligent control strategy is put forward based on fuzzy theory. By the means of simulation model built by Matlab/Simulink software, and the functions on restraining dq axis current fluctuation by the control strategy during the operation on weak magnet with sudden load of permanent magnet synchronous motor is investigated. The simulation results show that control strategy can reduce the fluctuation of currents during weak magnet operation with an accident added load.

Key words: Internal permanent magnet synchronous motor, field weaking control, fuzzy PI control

中图分类号:

TM351

余同,刘军,孙维凡. 基于模糊理论的内置式永磁同步电机弱磁控制仿真研究[J]. 电气工程学报, 2019, 14(1): 1-8.

YU Tong,LIU Jun,SUN Weifan. Weak Magnetic Control of Permanent Magnet Synchronous Motor Based on Fuzzy Theory[J]. Journal of Electrical Engineering, 2019, 14(1): 1-8.

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参考文献 12

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参数	数值
交轴电感/mH	12
直轴电感/mH	5.25
永磁体磁链/Wb	0.182 7
定子电阻/Ω	0.958
额定转速/(r/min)	4 000

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