直流电机控制的MATLAB仿真

直流电机控制的MATLAB仿真

文档编号:DQ066 文档字数:11724,页数:26 附任务书，开题报告，文献综述，外文翻译

摘要

MATLAB仿真在科学研究中的地位越来越高，如何利用MATLAB仿真出理想的结果，关键在于如何准确的选择MATLAB的仿真。本文就简单的开环直流调速系统的MATLAB仿真这个例子，通过对MATLAB的仿真，得到不同的仿真结果。通过仿真结果的对比，对MATLAB的仿真进行研究。从而总结出如何在仿真过程中对MATLAB的仿真做到最优选择。
然后详细介绍了用MATLAB语言对《电机与拖动》中直流电动机调速仿真实验的仿真方法和模型建立。其仿真结果与理论分析一致，表明仿真是可信的，可以替代部分实物实验．
最后讨论了MATLAB在双闭环直流调速系统教学中的应用。首先在分析直流调速系统原理的基础上, 介绍了基于数学模型的仿真, 在仿真中可灵活调节相关参数, 优化参数设计。其次完成了基于电气原理图仿真, 并分析了调速系统的抗干扰能力。采用工程设计方法对双闭环直流调速系统进行设计,选择调节器结构,进行参数的计算和校验；给出系统动态结构图,建立起动、抗负载扰动的MATLAB /SIMULINK 仿真模型。分析系统起动的转速和电流的仿真波形,并进行调试,使双闭环直流调速系统趋于合理与完善。

关键词：MATLAB；直流电动机调速；双闭环调速系统； MATLAB /SIMULINK仿真；仿真实验
Abstract

The Matlab is playing an important part in the scientific research, whether we adopt optimum simulation of Matlab decide whether we can get ideal simulation results. This text takes the split-loop direct current velocity-adjust system for example, and we can get different simulation results by choosing different simulation. We study the simulation of Matlab by comparing the simulation results. At last we summarize how we can achieve the superior choice of simulation of Matlab in the simulation process.
Then this paper introduces the method of the simulation and modeling of DC motor speed regulating in electrical motor drive. Simulation is consistent with theory analysis, t can take the place of the parts of real objects experiment.
At last ,the application of Matlab in the teaching of DC speed control system with dual-closed loop is discussed in the paper. Firstly, the simulation of the mathematic model which based on the analysis of DC speed control system’s theory is introduced. Parameters can be flexibly modulated; the parameter design can be optimized as well. Then, the simulation by the electric theory chart is finished. The speed control system’s anti-disturbing ability is analyzed. Engineering design of DC speed control system with dual-closed loop, choice of regulator, the parameters of calculation and validation; dynamic structure of the system are given, and establish a dynamic, anti-load disturbance of the MATLAB / SIMULINK simulation model. Starting analysis system and the speed of the current wave simulation and DC speed control system with dual-closed loop converter so that more reasonable and perfect the system.

Keywords: MATLAB; DC motor speed regulating; DC speed control system with dual-closed loop ; MATLAB / SIMULINK simulation ;Simulation experiment

目录
摘要…………………………………………………………………………………………………..I
Abstract………………………………………………………………………………………………. II
1 绪论……… ……… ……… ….………………………….…… ……… …………………..…..….1
1.1研究MATLAB语言在直流电机中的应用意义…………………………………….……………1
1.2 MATLAB语言的简介……………………………………………………………………….…....1
    1.2.1 MATLAB语言发展的背景……………………………………………………………….……1
    1.2.2 MATLAB语言的应用…………………………………………………………………….……4
   1.3本文工作内容…………………………………………………………………….……4
2 SIMULINK的介绍和应用…… … ……… …….…..………...………………………… …… .… ..5
2.1 SIMULINK的简介及其特点……………………………………………………………….…....5
    2.2 SIMULINK的使用…………………………… ………………… ………… … ………….…… 7
3直流电动机调速………………………………………………………………………………..…...8
3．1 直流电动机调节电枢电压调速… …………………………………. .…………….……….8
3．2 直流电动机调节励磁电流调速……………………………..…………… ..………………10
3．3 直流电动机电枢回路串电阻调速……………… ….. …………………… ..……………11
4 单闭环直流调速系统的MATLAB建模与仿真………… …………… …… …….… …… ...14
    4.1转速单闭环调速系统设计意义………………………………………..…………….……….14
4.2单闭环调速系统的组成………………………………………..……………..………………14
4.2.1　转速单闭环调速系统的组成…………………………………………………….…..15
4.3仿真模型及其结果比较………………………………………..……………..………………15
5 双闭环直流调速系统的MATLAB建模与仿真……… ……… … …….....…18
5.1 双闭环调速系统的组成…………………………………….…..………….………….....…18
5.2双闭环直流调速系统的数学模型…………………………… ………….….………… ....…18
5.3 调节器设计…………………………………………………………………………..……….19
5.3.1　电流调节器的设计……………………………………………………………….…..19
5.3.2　速度调节器的设计……………………………………………….…………….…….20
5.4 双闭环直流调速系统仿真……… ……… ……… … ………… ………… …….………..…21
6 结论………………………………………… ………… ……… ……………….. ………….……24
致谢………………………………………………………………………………..…………….……25
参考文献…………………………………………………………………………………………....…26

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