基于比例谐振控制的PMSM-SVM-DTC系统

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摘要针对常规直接转矩控制中转矩和磁链控制存在较大偏差的现象,本文从永磁同步电机(PMSM)数学模型的分析出发,在有效估算定子磁链和转矩的基础上,提出了基于空间矢量脉宽调制(SVM)的直接转矩控制策略；同时,利用比例谐振控制器(PR)能在静止坐标系下实现对交流信号无静差跟踪这一特性,将其引入控制系统中可克服PI的不足。最终设计了一套基于双PR控制器的PMSM-SVM-DTC控制系统。通过与常规DTC仿真对比分析,该方案能有效减小磁链和转矩脉动, 鲁棒性强,具有良好的动态响应特性。并进一步利用实验表明了方案的可行性和有效性,具备工程应用价值。

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	邓超
	黄守道
	李中启
	胡敬伟

关键词 ：永磁同步电机, 直接转矩控制, 比例谐振控制器, 空间矢量脉宽调制

Abstract：For the conventional direct torque control torque and flux control of the phenomenon, there is a large deviation, from the analysis of the mathematical model of permanent magnet synchronous motor(PMSM),effective to estimate the stator flux and torque on the basis of the direct torque control strategy based on space vector pulse width modulation(SVM); Meanwhile, proportional resonant controller(PR) can realize no static error adjustment tracking when the input signal is AC signal in the stationary coordinate system, Introduction into the control system can overcome the deficiency of the PI. The final design of a control system based on dual-PR controller PMSM-SVM-DTC. Proved through the analysis of simulation compared with the conventional DTC, the program can maintain a fast dynamic response characteristics as well as good robustness, but also effectively reduces the flux and torque ripple, and further experiments to verify the feasibility and effectiveness of the program, with engineering applications.

Key words： keywords：Permanent magnet synchronous motor direct torque control proportional resonant controller space vector pulse width modulation

收稿日期: 2012-09-20 出版日期: 2013-12-12

PACS:

TM315

基金资助:国家国际科技合作项目(2011DFA62240),国家“十二五”科技支撑计划重点项目(2012BAZ02072)和湖南省国际科技合作项目(2011WK2012)资助项目。

作者简介: 邓超男，1988年生，硕士研究生，研究方向为电机与电器。黄守道男，1962年生，教授，博士生导师，研究方向为特种电机及控制、电力电子传动装置及控制。

引用本文:

邓超, 黄守道, 李中启, 胡敬伟. 基于比例谐振控制的PMSM-SVM-DTC系统[J]. 电工技术学报, 2013, 28(1增): 501-507. Deng Chao, Huang Shoudao, Li Zhongqi, Hu Jingwei. Research on PMSM-SVM-DTC System Based on the Proportional Resonant Control. Transactions of China Electrotechnical Society, 2013, 28(1增): 501-507.

链接本文:

http://dgjsxb.ces-transaction.com/CN/Y2013/V28/I1增/501

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