带输入调节器的Buck-Boost变换器的间歇分岔与混沌研究

2006 2nd International Conference on Power Electronics Systems and Applications Pub Date : 2006-11-01 DOI:10.1109/PESA.2006.343112

C. D. Xu, Ka Wai Eric Cheng, Hao Zhang, X. K. Ma, Kai Ding

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引用次数: 6

摘要

本文提出了带输入调节器的降压-升压变换器在峰值电流模式控制下的两组模型。为了描述输入滤波电容的降压-升压变换器的动态特性，导出了频闪图。根据所建立的离散映射，研究了buck-boost变换器的快速尺度不稳定性。数值结果表明，电路系统表现出明显的非线性现象，即间歇性分岔和混沌。此外，还详细分析了其间歇行为的周期性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Study of Intermittent Bifurcations and Chaos in Buck-Boost Converters with Input regulators

This paper presents two series of models in the buck-boost converters with input regulators under peak current mode control. Stroboscopic maps are derived to describe the dynamical behaviors of buck-boost converters with input filter capacitor. In terms of the developed discrete maps, fast scale instabilities in buck-boost converters are studied. Numerical results reveal the circuit system exhibits distinguishing nonlinear phenomena, i.e., intermittent bifurcations and chaos. In addition, the periodicity of the intermittent behaviors is also analyzed in detail.

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2006 2nd International Conference on Power Electronics Systems and Applications

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