电力电子变换器非线性混沌现象及其应用研究

Study of Nonlinear Chaotic Phenomena of Power Converters and Their Applications

电力电子变换器混沌现象是一个必须加以重视的问题,它的研究一方面将深刻认识电力电子变换器的本质,分析一些以往无法解释的现象,如不规则的电磁噪声、系统运行的不稳定工作状态;另一方面将基于混沌现象提出新的设计方法和控制策略,实现现有电力电子变换器无法达到的性能。为此,本文将从确定性运动、随机运动角度分析电力电子变换器混沌现象研究的必然性,明确电力电子变换器混沌现象的研究目的。文中主要以DC-DC变换器为研究对象,对电力电子变换器混沌现象的基本类型进行分析和综合,由此展望对电力电子变换器混沌研究的发展和未来应用的前景。

Nonlinear chaotic phenomena of power converters are problems mat must oe paid attention to and their research will enhance to understand deeply the nature of power converters and explain some existing phenomena not being analyzed so far, such as the irregular electromagnetic noise and operational status not being controlled efficiently by the general methods; on the other hand, the new design methods and control strategies shall be possible to being developed by these researches to achieve some properties available of converters. Therefore, this paper points out the necessity and aim to research the chaotic phenomena of converters, and analyzes synthetically the basic kinds of chaotic phenomenon of power converters taking DC-DC converter as a kind of research object. Finally, the development and applications in the future of the chaotic phenomenon of power converters are forecasted.