矢量控制异步电动机调速系统仿真设计.doc

PAGE PAGE I 摘 要 近年来，随着电力半导体器件及微电子器件特别是微型计算机及大规模集成电路的发展，再加上现代控制理论，特别是矢量控制技术向电气传动领域的渗透和应用，使得交流电机调速技术日臻成熟。以矢量控制为代表的交流调速技术通过坐标变换重建电机模型，从而可以像直流电机那样对转矩和磁通进行控制，交流调速系统的调速性能已经可以和直流调速系统相媲美。因此，研究由矢量控制构成的交流调速系统已成为当今交流变频调速系统中研究的主要发展方向。最后，综合矩阵变换的控制策略及异步电动机转子磁场定向理论，采用计算机仿真方法分别建立了矩阵变换仿真模型以及基于矩阵变换的异步电动机矢量控制系统仿真模型，对矩阵变换的控制原理、输入、输出性能以及矢量控制系统的优质的抗扰能力及四象限运行特性进行分析验证，展现了该新型交流调速系统的广阔发展前景，并针对基于矩阵变换的异步电动机矢量控制系统的特点，着重对矢量控制单元进行了软件设计。本设计研究的是矢量控制的异步电动机的调速系统，采用MATLAB软件在其simulink中进行仿真。 关键词：坐标变换 矢量控制 异步电动机 MATLAB simulink仿真 ABSTRACT In recent years, with the development of the power semiconductor device，the microelectronics component, the microcomputer and large-scale integrated circuit and modern control theory, especially the penetration from vector control technology to electric drive field and application, the feasible AC motor speed regulation technology has become more mature day by day. Depend on the control principle of the MC and the rotor-flux orientation theory, and using the computer simulation technology, the simulation model of the MC and the matrix converter fed induction motor vector control drive system has been build. The input-output characteristic and the ability of four-quadrant operation have been testified, which has proved that the system has wide application field. The software of the vector control unit was designed at the end.This design is the study of vector control of the induction motor speed control system,using MATLAB software in its simulink simulation. Key words: matrix converter vector control induction motor MATLAB simulink simulation. 目 录 1TOC \o 1-3 \h \u HYPERLINK \l _Toc5297 摘 要 PAGEREF _Toc5297 I HYPERLINK \l _Toc24170 ABSTRACT PAGEREF _Toc24170 II HYPERLINK \l _Toc11671 一.绪论 PAGEREF _Toc11671 4 HYPERLINK \l _Toc10290 1.1引言 PAGEREF _Toc10290 4 HYPERLINK \l _Toc30824 1.2 交流调速技术概况 PAGEREF _Toc30824 5 HYPERLINK \l _Toc7780 1.3仿真软件的发展状况与应用 PAGEREF _Toc7780 6 HYPERLINK \l _Toc9350 1.4 MATLAB 概述 PAGEREF _Toc9350 6 HYPERLINK \