唐继尧学号
分 号 密级
本科毕业论文
题 目 基于Simulink的直流斩波电路的仿真与研究 (中、英文) Simulation and Research of DC Chopper Circuit
Based on Simulink
I
摘 要
直流斩波电路(DC Chopper)在工业自动化领域应用非常广泛。其功能是将直流电变为另一种固定的或可调的直流电，也称为直流-直流变换器(DC/DC Converter)，直流斩
[2]波电路一般应用于各种开关电源及直流电动机电源。 天诛玉
本文对常用的三种直流斩波电路:降压斩波电路、升压斩波电路,升降压斩波电路的工作原理及特性进行了较深入研究，并借助Simulink仿真软件对具体电路进行建模仿真。通过研究与仿真实验，将对直流斩波电路有一个细致的了解，对实际工业技术应用中直流 [9]斩波电路的参数选取提供一些理论依据。
关键词:直流斩波;降压斩波电路;升压斩波电路;升降压斩波电路; Simulink仿真软件
Abstract
DC Chopper circuit in the field of automatic Industry is widely used. Its function is to Change the direct current into a fixed or adjustable DC, also be known as DC - DC converter (DC / DC Converter), DC chopper circuit generally applied to all kinds of switching power supply and DC motor power, the paper will Introduce three basic DC chopper circuit: Buck chopper circuit, Boost chopper circuit, And the paper will give the working principles and Characteristics, at the same time I will use the Simulink software f
取消职业资格许可or specific circuit simulation. Through research and simulation experiments, you will have a detailed understanding of the Simulink software get more skill of the actual application of industrial technology in the DC Circuit chopper to set of parameters.
Key words: DC Chopper; Buck chopper circuit; Boost chopper circuit; Boost-buck chopper
circuit; Simulink software
诡辩论III
1绪论 ........................................................................................................................................ 1 社交网络模型
pdl2 斩波电路的工作原理及电路特性分析 ................................................................................. 1
IGBT的结构和工作原理 ................................................................................................. 2 2.1
2.2直流降压斩波电路(BUCK CHOPPER) ........................................................................... 3 2.3直流升压斩波电路(BOOST CHOPPER) .......................................................................... 5 2.4升降压斩波电路(BOOST-BUCK CHOPPER).................................................................. 6
2.5直流斩波电路共性问题 ................................................................................................... 8 3 SIMULINK的介绍 ................................................................................................................. 8 4基于SIMULINK的斩波电路的仿真 ................................................................................... 10 4.1 直流降压斩波电路的仿真 ............................................................................................. 10 4.2 直流升压斩波器的仿真 ................................................................................................. 12 4.3升降压斩波电路的仿真 ................................................................................................. 15
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