Synchronization and chaos in multiple-input parallel DC-DC converters with WTA switching

被引：10
|
作者：
Ishikawa, Yuki [1 ]
Saito, Toshimichi [1 ]
机构：
[1] Hosei Univ, Dept EECE, Koganei, Tokyo 1840002, Japan
来源：
IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES | 2007年 / E90A卷 / 06期
关键词：
synchronization; chaos; bifiurcation; parallel dc-dc converters;
D O I：
10.1093/ietfec/e90-a.6.1162
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper studies nonlinear dynamics of a simplified model of multiple-input parallel buck converters. The dynamic winner-take-all switching is used to achieve N-phase synchronization automatically, however, as parameters vary, the synchronization bifurcates to a variety of periodic/chaotic phenomena. In order to analyze system dynamics we adopt a simple piecewise constant modeling, extract essential parameters in a dimensionless circuit equation and derive a hybrid return map. We then investigate typical bifurcation phenomena relating to N-phase synchronization, hyperchaos, complicated superstable behavior and so on. Ripple characteristics are also investigated.
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页码：1162 / 1169
页数：8
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