Output Controllability Study on DC-DC Converters as Switched Linear Systems

HU Zong-bo; ZHANG Bo; HU Shao-fu; DENG Wei-hua

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Output Controllability Study on DC-DC Converters as Switched Linear Systems

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- Output Controllability Study on DC-DC Converters as Switched Linear Systems
- Acta Electronica Sinica Vol. 33, Issue 2, Pages: 370-374(2005)
- 作者机构：
  
  1. 华南理工大学电力学院,广东,广州,510640
  2. 三峡大学电力信息学院,湖北,宜昌,443002
  3. 华南理工大学电力学院广东广州,510640
  4. 三峡大学电力信息学院湖北宜昌,443002
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM1
- Published Online：25 February 2005，
  
  Published：2005
- 稿件说明：
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HU Zong-bo, ZHANG Bo, HU Shao-fu, et al. Output Controllability Study on DC-DC Converters as Switched Linear Systems[J]. Acta Electronica Sinica, 2005, 33(2): 370-374.
DOI：

HU Zong-bo, ZHANG Bo, HU Shao-fu, et al. Output Controllability Study on DC-DC Converters as Switched Linear Systems[J]. Acta Electronica Sinica, 2005, 33(2): 370-374. DOI：

摘要

将DC-DC变换器视为一类混杂动态系统——切换线性系统

尝试在DC-DC变换器控制系统研究中引入切换线性系统的概念

基于系统模型研究DC-DC变换器的输出能控性这一基本控制特性

为各种控制策略在DC-DC变换器中的应用奠定理论基础.研究分为三个部分:(1)引入切换线性系统

并以基本的DC-DC变换器为例

建立变换器的切换线性系统模型;(2)给出切换线性系统输出能控性的定义以及充要条件;(3)分析基本DC-DC变换器的输出能控性

并以Buck变换器为例进行仿真分析和验证验证.本文的研究还表明

分析方法也适应于其它功率变换器

甚至所有开关变换电路的输出能控性研究.

Abstract

DC-DC converters were considered as one type hybrid dynamic systems (HDS)-switched linear systems (SLS) and the concept of switched linear systems was introduced to DC-DC converter controlled systems.Based on systematical model

output controllability (OC) of DC-DC converters was studied which provides the basis of modern control method application in DC-DC converters.At first

the concept of switched linear systems was introduced and the basic DC-DC converters were built as switched linear system models.Then the output controllability definition and its sufficient and necessary criterion for switched linear systems were given.At last

the output controllability of basic DC-DC converters was analyzed.The simulation analysis and experimental verification of output controllability for Buck converter was given as an example.The analysis method of output controllability for DC-DC converters could be extended to other power converters or all switched circuit to study the output controllability.

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