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基于TMS320F2812的SVPWM变频调速系统

作者:张月芹,薛重德,侯小强 日期:2008-02-25/span> 浏览:3808 查看PDF文档

基于TMS320F2812的SVPWM变频调速系统

张月芹,薛重德,侯小强
(南京航空航天大学 机电学院,江苏 南京 210016)

摘要:提出了一种以TMS320F2812为控制核心的异步电机空间矢量脉宽调制(SVPWM)变频调速系统。详细叙述了SVPWM的原理及其基于数字信号处理器(DSP)实现的两种算法,并对系统的结构和硬件进行了设计。利用SVPWM的Matlab/Simulink仿真波形验证了其结论,并对两种不同算法得到的波形进行了分析。实验结果表明,该系统实现简单,电压利用率高,实时性强,有效地提高了电机的运行性能。
关键词:TMS320F2812;空间矢量脉宽调制;变频调速;数字信号处理器
中图分类号:TM343+.2文献标识码:A文章编号:1001-4551(2008)01-0056-04

SVPWM variablefrequency speed regulating system based on TMS320F2812
ZHANG Yueqin, XUE Zhongde, HOU Xiaoqiang
(College of Mechanical & Electrical Engineering, Nanjing University of Aeronautics & Astronautics, Nanjing 210016, China)
Abstract: A control system of induction motor based on TMS320F2812 was presented. The principle of space vector pulse width modulation (SVPWM) and two methods of its implementation based on digital signal processor (DSP) were introduced in detail, the structure and hardware of the system were designed, the results with the simulation waveforms of SVPWM based on Matlab/Simulink software were verified, and the waveforms which were from two different methods were analyzed. The results prove that the system has many advantages, such as simple structure, high voltage utilization ratio, realtime control function, and improves the induction motor’s work performance effectively.
Key words: TMS320F2812; space vector pulse width modulation (SVPWM); variablefrequency speed regulating; digital signal processor (DSP)
参考文献(Reference):
[1]李华德,白晶,李志明,等.交流调速控制系统[M].北京:电子工业出版社,2003.
[2]吴守箴,臧英杰.电气传动的脉宽调制技术[M].北京:机械工业出版社,1998.
[3]王晓明,王玲.电动机的DSP控制:TI公司DSP应用[M].北京:北京航空航天大学出版社,2004.
[4]苏奎峰,吕强,耿庆锋,等.TMS320F2812原理与开发[M].北京:电子工业出版社,2005.
[5]Texas Instrument Inc.. TMS320F2810, TMS320F2812 Digital Signal Processors Data Manual[EB/OL]. [2001-04-01]. http://focus.ti.com/lit/ds/sprs1740/sprs1740.pdf.
[6]魏昌洲,薛重德,翟红存.基于SVPWM变频调速系统的建模与仿真[J].中小型电机,2005(3):45-48.



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