广东工业大学学报 ›› 2024, Vol. 41 ›› Issue (05): 13-21.doi: 10.12052/gdutxb.230078

• 电气工程 • 上一篇    下一篇

基于非线性干扰观测器的IPMSM改进无模型滑模控制

谷爱昱, 庞城洁, 黎家麟, 陈志凯, 孟洋   

  1. 广东工业大学 自动化学院, 广东 广州 510006
  • 收稿日期:2023-06-06 出版日期:2024-09-25 发布日期:2024-05-25
  • 作者简介:谷爱昱(1970-),女,副教授,博士,主要研究方向为电机及其系统控制,E-mail:guay@gdut.edu.cn
  • 基金资助:
    国家自然科学基金青年基金资助项目(62103109) ；广州市开发区科技计划项目(2018GH13)

Improved Model-free Sliding Mode Control of Interior Permanent Magnet Synchronous Motor Based on Nonlinear Disturbance Observer

Gu Ai-yu, Pang Cheng-jie, Li Jia-lin, Chen Zhi-kai, Meng Yang   

  1. School of Automation, Guangdong University of Technology, Guangzhou 510006, China
  • Received:2023-06-06 Online:2024-09-25 Published:2024-05-25

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摘要： 针对内置式永磁同步电机参数摄动导致模型不确定而影响系统控制性能的问题，提出一种基于非线性干扰观测器的内置式永磁同步电机改进无模型滑模控制方法。首先，建立考虑参数摄动的内置式永磁同步电机(Interior Permanent Magnet Synchronous Motor, IPMSM) 新型超局部模型；其次，利用改进滑模趋近律设计滑模控制器作为无模型控制中的反馈控制器；然后，设计非线性干扰观测器来观测估计无模型控制中的未知复杂项；最后，与传统无模型滑模控制方法进行仿真实验对比。仿真实验结果证明所提方法能有效解决系统参数摄动影响电机控制性能等问题，验证了所提方法的有效性及优越性。

关键词: 内置式永磁同步电机, 改进趋近律, 无模型滑模控制, 非线性干扰观测器

Abstract: In order to address the problem that the parameter perturbation of interior permanent magnet synchronous motor leads to model uncertainty and affects the system control performance, an improved model-free sliding mode control method for interior permanent magnet synchronous motor based on nonlinear disturbance observer is proposed. Firstly, a new hyperlocal model of IPMSM considering parameter perturbation is established. Secondly, a sliding mode controller is designed as a feedback controller in model-free control by using the improved sliding mode reaching law. Then a nonlinear disturbance observer is designed to observe and estimate the model-free Unknown complex items in the control. Finally, a simulation comparison experiment is carried out with the traditional model-free sliding mode control method. The simulation experiment results prove that the proposed method can effectively solve the problems of system parameter perturbation affecting the motor control performance, with the effectiveness and superiority of the proposed method verified.

Key words: interior permanent magnet synchronous motor, improved reaching law, model-free sliding mode control, nonlinear disturbance observer

中图分类号: 

  • TM341
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