Presentation 2009-02-28
Analysis of switched dynamical systems based on dc-dc converters
Daisuke KIMURA, Toshimichi SAITO,
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Abstract(in English) This paper studies nonlinear dynamics of basic maximum power point tracker in current mode control. For convenience of the analysis, we introduce two simplifications: 1) solar panel input is modeled by a current-controlled voltage source with piecewise linear characteristics, 2) assuming that output voltage regulation is achieved in high frequency modulation, the load is replaced with a constant voltage source. In this case the circuit dynamics is described by simple piecewise linear equation and the 1D return map can be derived. The map describes switching phase and that makes precise analysis possible and enables us to analyze the dynamics precisely. Typical periodic/chaotic phenomena, related bifurcation phenomena and related power characteristics are demonstrated.
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Keyword(in English) MPPT / Bifurcation / Chaos
Paper # NLP2008-137
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Committee NLP
Conference Date 2009/2/21(1days)
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Registration To Nonlinear Problems (NLP)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Analysis of switched dynamical systems based on dc-dc converters
Sub Title (in English)
Keyword(1) MPPT
Keyword(2) Bifurcation
Keyword(3) Chaos
1st Author's Name Daisuke KIMURA
1st Author's Affiliation Department of Electronics, Electrical and Computer Engineering, Hosei University()
2nd Author's Name Toshimichi SAITO
2nd Author's Affiliation Department of Electronics, Electrical and Computer Engineering, Hosei University
Date 2009-02-28
Paper # NLP2008-137
Volume (vol) vol.108
Number (no) 442
Page pp.pp.-
#Pages 4
Date of Issue