基于滑模控制的永磁同步电机直接转矩控制研究

doi:10.16180/j.cnki.issn1007-7820.2019.07.001

电子科技 ›› 2019, Vol. 32 ›› Issue (7): 1-5.doi: 10.16180/j.cnki.issn1007-7820.2019.07.001

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基于滑模控制的永磁同步电机直接转矩控制研究

吉升阳,汪旭东,许孝卓,孙伟翔,史凯宁

河南理工大学电气工程与自动化学院,河南焦作 454000

收稿日期:2018-07-08 出版日期:2019-07-15 发布日期:2019-08-14
作者简介:吉升阳(1990-),男,硕士研究生。研究方向:电机电器及其控制。|汪旭东(1967-),男,博士,教授,博士生导师,省级特聘教授。研究方向:直线电机及其电气控制,特种电机研究及设计等。|许孝卓(1983-),男,博士,副教授。研究方向:直线电机及电气控制。
基金资助:
国家自然科学基金(U1504506);国家自然科学基金(51777060);河南省科技攻关项目(162102210222);河南省高等学校青年骨干教师培养计划(2017GGJS051);HPU青年骨干教师资助计划(GGJS2016-183);河南理工大学博士基金(B2018-30)

Research on Direct Torque Control of Permanent Magnet Synchronous Motor Based on Sliding Mode Control

JI Shengyang,WANG Xudong,XU Xiaozhuo,SUN Weixiang,SHI Kaining

School of Electrical Engineering and Automation,Henan Polytechnic University,Jiaozuo 454000,China

Received:2018-07-08 Online:2019-07-15 Published:2019-08-14
Supported by:
National Natural Science Foundation of China(U1504506);National Natural Science Foundation of China(51777060);Henan Province Science and Technology Research Project(162102210222);Henan Province Higher School Youth Key Teacher Training Program(2017GGJS051);HPU Youth Key Teacher Funding Program(GGJS2016-183);Henan Polytechnic University Doctoral Fund(B2018-30)

摘要/Abstract

摘要：

针对永磁同步电机直接转矩控制(DTC)存在较大的电磁转矩脉动、磁链脉动、低速性能不理想等问题,文中引入滑模控制策略对永磁同步电机进行直接转矩控制。通过建立PMSM的矢量数学模型,设计基于滑模控制的直接转矩控制器,利用MATLAB/Simulink进行建模仿真分析。结果表明,与传统DTC相比,基于滑模控制策略的永磁同步电机直接转矩控制系统中电磁转矩脉动幅值更低,且具有更好的动态性能和抗扰动能力,可以更加有效地改善系统特性,满足实际电机控制的需要。

关键词: 永磁同步电机, 直接转矩控制, 滑模控制, 矢量数学模型, 电磁转矩, MATLAB/Simulink仿真

Abstract:

For the direct torque control (DTC) of permanent magnet synchronous motor, there are large problems such as electromagnetic torque ripple, flux pulsation and low speed performance. To solve these problems, the sliding mode control strategy was introduced to control the permanent magnet synchronous motor. By establishing the vector mathematical model of PMSM, a direct torque controller based on sliding mode control was designed, and modeling and simulation analysis was carried out by using MATLAB/Simulink. The results showed that compared with the traditional DTC, the direct torque control system of the permanent magnet synchronous motor based on the sliding mode control strategy had lower amplitude of electromagnetic torque fluctuation, better dynamic performance and anti-disturbance capability, which could improve system characteristics more effectively to meet the needs of actual motor control.

Key words: permanent magnet synchronous motor, direct torque control, sliding mode control, vector mathematical mode, electromagnetic torque ripple, MATLAB/Simulink simulation

中图分类号:

TN787

吉升阳,汪旭东,许孝卓,孙伟翔,史凯宁. 基于滑模控制的永磁同步电机直接转矩控制研究[J]. 电子科技, 2019, 32(7): 1-5.

JI Shengyang,WANG Xudong,XU Xiaozhuo,SUN Weixiang,SHI Kaining. Research on Direct Torque Control of Permanent Magnet Synchronous Motor Based on Sliding Mode Control[J]. Electronic Science and Technology, 2019, 32(7): 1-5.

图/表 4

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时间类别	0~0.15 s	0.15~0.3 s
传统DTC的 T_RIP/N·m	0.209	0.198
基于滑模控制的DTC的T_RIP/N·m	0.038	0.066

基于滑模控制的永磁同步电机直接转矩控制研究

Research on Direct Torque Control of Permanent Magnet Synchronous Motor Based on Sliding Mode Control

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