基于SVPWM的永磁同步电机DTC技术

doi:10.16182/j.issn1004731x.joss.19-FZ0279

系统仿真学报 ›› 2019, Vol. 31 ›› Issue (11): 2535-2542.doi: 10.16182/j.issn1004731x.joss.19-FZ0279

基于SVPWM的永磁同步电机DTC技术

尹星¹, 袁登科², 甄永成¹, 邵仲书¹, 吕相杰¹

1. 同济大学汽车学院,上海 201804;
2. 同济大学电子与信息工程学院电气工程系,上海 201804

收稿日期:2019-05-28 修回日期:2019-07-04 出版日期:2019-11-10 发布日期:2019-12-13
作者简介:尹星(1996-),男,重庆,硕士,研究方向为永磁同步电机控制技术;袁登科(1979-),男,安徽,博士,讲师,研究方向为交流电气传动。
基金资助:
同济大学中央高校基本科研业务费专项基金(1700219157),同济大学研究生教改基金(2018GH08008)

Direct Torque Control Technology for Permanent Magnet Synchronous Motor Based on SVPWM

Yin Xing¹, Yuan Dengke², Zhen Yongcheng¹, Shao Zhongshu¹, Lü Xiangjie¹

1. School of Automotive Studies, Tongji University, Shanghai 201804, China;
2. Department of Electrical Engineering, College of Electronics and Information Engineering, Tongji University, Shanghai 201804, China

Received:2019-05-28 Revised:2019-07-04 Online:2019-11-10 Published:2019-12-13

摘要/Abstract

摘要： 永磁同步电机传统DTC(Direct Torque Control)技术利用转矩、磁链的滞环比较结果,通过查表选择电压矢量的方式对转矩进行直接控制,虽然其算法简单,但其电流波形畸变、转矩脉动情况较严重,对实际电机控制非常不利。通过分析传统直接转矩控制的缺点,将SVPWM技术引入直接转矩控制中,利用SVPWM模块代替原有的查表模块。在MATLAB/Simulink中搭建仿真模型进行对比分析,基于SVPWM的永磁同步电机DTC技术能明显改善电流畸变严重的现象和降低转矩脉动。在DSP电机控制器上进行了试验验证,证明了其控制算法在实际电机控制中的可行性。

关键词: 永磁同步电机, 直接转矩控制, SVPWM, 转矩脉动

Abstract: The traditional direct torque control technology of permanent magnet synchronous motor utilizes the results of torque and flux linkage hysteresis comparison, and directly controls the torque by looking up the voltage vector. Though this algorithm is simple, its current waveform distortion and torque ripple is more serious, which is very unfavorable for actual motor control. In this case, by analyzing the shortcomings of traditional direct torque control, SVPWM technology is introduced into direct torque control, and the original look-up table module is replaced by SVPWM module. A simulation model is established for comparative analysis in MATLAB/Simulink, PMSM direct torque control technology based on SVPWM can significantly improve the phenomenon of serious current distortion and reduce torque ripple. The test is carried out on the DSP motor controller and the feasibility of this control algorithm in actual motor control is proved.

Key words: permanent magnet synchronous motor, direct torque control, SVPWM, torque ripple

中图分类号:

TM351

尹星, 袁登科, 甄永成, 邵仲书, 吕相杰. 基于SVPWM的永磁同步电机DTC技术[J]. 系统仿真学报, 2019, 31(11): 2535-2542.

Yin Xing, Yuan Dengke, Zhen Yongcheng, Shao Zhongshu, Lü Xiangjie. Direct Torque Control Technology for Permanent Magnet Synchronous Motor Based on SVPWM[J]. Journal of System Simulation, 2019, 31(11): 2535-2542.

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基于SVPWM的永磁同步电机DTC技术

Direct Torque Control Technology for Permanent Magnet Synchronous Motor Based on SVPWM

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