Model-Free Sliding Mode Control Method for PMSM Based on a Second-Order Super-Twisting Observer

XIAO Qianghui; WEI Ziquan; LI Jianying; ZHANG Wei; ZHONG Dingai; ZHANG Mai; CHENG Zhun

doi:10.3969/j.issn.1008-0198.2025.05.008

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Model-Free Sliding Mode Control Method for PMSM Based on a Second-Order Super-Twisting Observer

更新时间：2025-12-11

- Model-Free Sliding Mode Control Method for PMSM Based on a Second-Order Super-Twisting Observer
- Vol. 45, Issue 5, Pages: 55-63(2025)
- 作者机构：
  
  1. 湖南工业大学电气与信息工程学院,湖南,株洲,412007
  2. 湖南文理学院计算机与电气工程学院,湖南,常德,415000
  3. 湖南铁道职业技术学院,湖南,株洲,412001
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.1008-0198.2025.05.008
  CLC： M341
- Published Online：11 November 2025，
  
  Published：11 November 2025
- 稿件说明：
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肖强晖, 魏子诠, 李建英, 张伟, 钟丁爱, 张迈, 程谆. 基于二阶超螺旋观测器的PMSM无模型滑模控制方法[J]. 湖南电力, 2025, 45(5): 55-63.

XIAO Qianghui, WEI Ziquan, LI Jianying, et al. Model-Free Sliding Mode Control Method for PMSM Based on a Second-Order Super-Twisting Observer[J]. 2025, 45(5): 55-63.
肖强晖, 魏子诠, 李建英, 张伟, 钟丁爱, 张迈, 程谆. 基于二阶超螺旋观测器的PMSM无模型滑模控制方法[J]. 湖南电力, 2025, 45(5): 55-63. DOI： 10.3969/j.issn.1008-0198.2025.05.008.

XIAO Qianghui, WEI Ziquan, LI Jianying, et al. Model-Free Sliding Mode Control Method for PMSM Based on a Second-Order Super-Twisting Observer[J]. 2025, 45(5): 55-63. DOI： 10.3969/j.issn.1008-0198.2025.05.008.

摘要

针对内置式永磁同步电机（interior permanent magnet synchronous motor

IPMSM）在采用传统滑模控制中存在转速误差收敛速度慢及抖振严重的问题

提出一种新型二阶超螺旋观测器（novel second-order super-twisting observer

NSTO）与无模型非奇异终端滑模控制（model-free non-singular terminal sliding mode control

MFNTSMC）相结合的IPMSM控制方法。首先

建立包含未知参数和负载扰动的IPMSM数学模型

并设计一种无模型非奇异终端滑模控制。基于超局部模型

设计转速与电流的双闭环控制

实现系统状态误差的全局快速收敛。为进一步改善速度跟踪性能

设计新型二阶超螺旋滑模扰动观测器实时观测系统扰动

进行扰动补偿。仿真实验结果表明

相较于传统方法

该方法在抑制抖振、提高收敛速度及鲁棒性方面具有明显优势。

Abstract

Aiming at the problems of slow convergence of speed error and serious vibration in the traditional sliding mode control of interior permanent magnet synchronous motor (IPMSM)

a IPMSM control method combining a novel second-order super-twisting observer（NSTO） with a model-free non-singular terminal sliding mode control (MFNTSMC) algorithm is proposed. First

a mathematical model of IPMSM containing unknown parameters and load disturbances is established

and an MFNTSMC algorithm is designed. Then

based on the hyper-local model

a dual closed-loop MFNTSMC structure is developed to achieve global fast convergence of the system state errors. To further improve speed tracking performance

a novel second-order super-twisting sliding mode disturbance observer is designed to observe system disturbances in real time for disturbance compensation. Finally

simulation and experimental results demonstrate that compared with traditional methods

the proposed approach offers significant advantages in suppressing vibration

improving convergence speed and robustness.

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Keywords

references

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