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摘 要
在我们日常生活中，无刷直流电机随处可见，因为其相比其他电机而言结构相对简单，运行稳定且便于维修等优势，最重要的是直流电机在调速方面具有很好的优势。随着自动控制技术和微电子技术的不断革新，目前的技术水平为实现无刷直流电机速度调节控制打下坚实的基础，提供扎实的理论依据。
本次设计主要以无刷直流电机调速控制系统设计应用作为研究背景，运用MATLAB/Simulink仿真工具搭建相应的仿真模型。无刷直流电机调速控制系统拥有很好的动态特性，运行稳定性高、调速的范围较大，性能可靠等，在实际生产制造中被广泛的应用。该模型仿真设计对无刷直流电机PWM斩波可逆调速控制方法，通过 Matlab/Simulink仿真软件搭建仿真模型,运行仿真，并对仿真结果进行了分析。经过对控制系统进行仿真，可以明显的看出，无刷直流电机调速控制系统响应快，没有超调量，运行稳定，抗外界干扰能力强等特点。
深入学习无刷直流电机的整体结构和分类，针对无刷直流电机调速控制系统当做研究对象。在对无刷直流电机调速控制系统工作原理和各个部分的数学模型进行深入研究的基础上，在MATLAB/SIMULINK对不同部件的传递原理和数学模型进行了深入的研究，建立无刷直流电机调速控制系统动力学模型，通过仿真结果验证，可以比较各种策略与方案，优化并确定相关参数。最后，对无刷直流电机调速控制系统分析方法进行了详细比较分析，为科学决策提供可靠的依据。
本次设计经过模型搭建、仿真验证，在学习掌握无刷直流电机工作特性的同时，参考得到的仿真结果，为更进一步的设计开发新的产品奠定坚实的基础。
关键词：无刷直流电机，PID控制，调速控制，建模与仿真
Abstract
In our daily life, brushless dc motor can be seen everywhere, because compared with other motors, its structure is relatively simple, stable operation and easy to maintain and other advantages, the most important is that the dc motor has a good advantage in speed regulation.With the continuous innovation of automatic control technology and microelectronics technology, the current technical level for the realization of brushless dc motor speed control lay a solid foundation and provide a solid theoretical basis.
This design is mainly based on the brushless dc motor speed control system design and application as the research background, using MATLAB/Simulink simulation tools to build the corresponding simulation model.Brushless dc motor speed control system has good dynamic characteristics, high running stability, wide range of speed regulation, reliable performance, etc.The model simulation design for brushless dc motor PWM chopper reversible speed control method, through Matlab/Simulink simulation software to build the simulation model, the simulation, and the simulation results are analyzed.Through the simulation of the control system, it is obvious that the brushless dc motor speed control system has the characteristics of fast response, no overrunning, stable operation and strong ability to resist external interference.
In-depth study of brushless dc motor overall structure and classification, brushless dc motor speed control system as the research object.On the working principle of the brushless dc motor speed control system and the mathematical model of each part, on the basis of in-depth study, in the MATLAB/SIMULINK for different parts of the transmission principle and mathematical model studied, brushless dc motor speed control system dynamic model is established, through the simulation results show, you can compare all kinds of strategy and plan, optimize and related parameters were determined.Finally, the analysis method of brushless dc motor speed control system is analyzed in detail, which provides a reliable basis for scientific decision.
This design has been built by model and verified by simulation. While learning to master the brushless dc motor's working characteristics, the simulation results are used as reference to lay a solid foundation for further design and development of new products.
Key words: Brushless dc motor, PID control, speed control, modeling and simulation
目录
摘 要....................................................................................................................... 1
第一章 绪论............................................................................................................ 4
1.1概述................................................................................................................ 5
1.2 直流电机技术的现状............................................................................... 6
1.3 仿真工具MATLAB/Simulink简介...................................................... 8
1.4 课题的研究内容及章节安排............................................................... 10
第二章 无刷直流电机........................................................................................ 11
2.1 基本结构及其工作原理.......................................................................... 11
2.1.1 基本结构....................................................................................... 11
2.1.2 工作原理....................................................................................... 12
2.2 直流电机数学模型................................................................................... 12
2.3 直流电机调速方法................................................................................... 15
2.3.1 直流电机调速原理介绍............................................................ 15
2.3.2 直流电机调速方式..................................................................... 15
第三章 直流电机双闭环PID 调速控制系统数学模型............................. 16
3.1 双闭环直流调速系统结构设计........................................................... 16
3.2 双闭环PID调速系统主电路数学模型.............................................. 16
3.3 双闭环PID 调速系统动态数学模型................................................. 18
第四章 矿用升降台无刷直流电机调速系统仿真............................................................. 18
4.1 无刷直流电机调速系统仿真模型................................................... 18
4.2 仿真输出波形及分析......................................................................... 21
4.3 本章小结................................................................................................... 23
第五章 结束语................................................................................................... 24
参考文献................................................................................................................ 25
致 谢................................................................................................................ 26
完整版论文及matlab/simulink建模仿真分析点击如下链接下载：
https://download.csdn.net/download/weixin_45905610/80128311
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