ID 112108
著者
伊藤, 大輔 Gifu University
Asahara, Hiroyuki Okayama University of Science
高坂, 拓司 Oita University|Chukyo University
キーワード
Controlling chaos
Buck converter
Pulse–frequency modulation
資料タイプ
学術雑誌論文
抄録
DC-DC switching converters which are frequently treated as hybrid dynamical systems exhibit complex behavior due to nonlinear and interrupt characteristics. For synchronous buck-converters, we propose a method to control chaotic behavior by pulse-frequency modulation. An input voltage, a duty ratio of PWMs, and so on, affect to the regulation characteristics of converters directly, but a frequency of PWMs is determined by the frequency characteristics of the converter and is set as a fixed value. The proposed chaos-control method suppresses chaotic responses by slightly perturbing the pulse frequency alone, therefore our method can stabilize unstable periodic orbits without influence on the voltage regulation scheme. To simplify the feedback controller, the condition of dimension reduction for the controlling gain vector is derived. The proposed controller acheves the stabilization without a current sensor. Numerical simulation and circuit implementation demonstrate the validity of this method.
掲載誌名
Chaos, Solitons & Fractals
ISSN
09600779
cat書誌ID
AA10824244
AA11523345
出版者
Elsevier
111
開始ページ
138
終了ページ
145
発行日
2018-04-19
備考
本文は2020-04-19以降公開予定
権利情報
© 2018. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
EDB ID
出版社版DOI
出版社版URL
言語
eng
著者版フラグ
その他
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