长安大学学报(自然科学版)
JOURNAL OF CHANG'AN UNIVERSITY(NATURAL SCIENCE EDITION)
2005 Vol.25 No.6 P.94-99


功率变换器中的混沌及控制方法

贺昱曜  闫茂德  陈天琴 

摘 要:功率变换器由于其开关工作特性,变换器的拓扑结构不断变化.功率开关变换器被认为是一个固有开关非线性系统,因此其运行过程中必然存在着丰富的非线性现象,如分岔和混沌等.主要表现为诸如转速、转矩的间歇振荡,运行状态的突然崩溃,不明的电磁噪声等.针对功率变换器中的混沌现象,介绍了混沌的基本概念和基本特征,混沌的判别方法;综述了DC-DC功率变换器和电气传动系统中的混沌现象及控制方法;提出了如何利用混沌的某些特性,研究电气传动系统新的控制方法,设计新型的软开关变换器;最后,给出了新型混沌软开关变换器的工作原理及设计方法.指出功率变换器中的混沌研究是一很有发展前景的研究方向.
关键词:功率变换器;软开关;混沌;控制
分类号:TP17  文献标识码:A

文章编号:1671-8879(2005)06-0094-06

Chaotic behavior and control of chaos in power converters

HE Yu-yao  YAN Mao-de  CHEN Tian-qin 

基金项目:国家自然科学基金项目(604 720 22);陕西省自然科学基金项目(2003E219)
作者简介:贺昱曜(1956-),男,陕西富平人,长安大学教授,博士研究生导师.
作者单位:贺昱曜(长安大学,信息工程学院,陕西,西安,710064) 
     闫茂德(长安大学,信息工程学院,陕西,西安,710064) 
     陈天琴(长安大学,信息工程学院,陕西,西安,710064) 

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收稿日期:2005年5月9日

出版日期:2005年11月30日

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