Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/15198
Title: Complex intermittency in switching converters
Authors: Zhou, Y
Chen, JN
Iu, HHC
Tse, CK 
Keywords: Bifurcation
Chaos
Intermittency
Nonlinear system
Switching power converter
Issue Date: 2008
Publisher: World Scientific
Source: International journal of bifurcation and chaos in applied sciences and engineering, 2008, v. 18, no. 1, p. 121-140 How to cite?
Journal: International journal of bifurcation and chaos in applied sciences and engineering 
Abstract: Intermittent instability is commonly observed in switching power supplies during the design and development phase. It manifests as symmetrical period-doubling bifurcation in the time domain with long intermittent periods. Such intermittent operation is considered undesirable in practice and is usually avoided by appropriate adjustments of circuit parameters. This paper explores the mechanism and conditions for the emergence of intermittency in a common voltage-mode controlled buck converter. It is found that interference at frequencies near the switching frequency or its rational multiples will induce intermittent operation. The strengths and frequencies of the interfering signals determine the type and period of intermittency. The problem is analyzed by transforming the conventional parameter-bifurcation analysis to a time-bifurcation analysis. Analytical results are verified by simulations and experimental measurements.
URI: http://hdl.handle.net/10397/15198
ISSN: 0218-1274
EISSN: 1793-6551
DOI: 10.1142/S0218127408020185
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