Study of Bifurcation and Chaos in the Current-Mode Controlled Boost DC-DC Converter

Feng He Qi; Ying Sun

doi:10.4028/www.scientific.net/AMM.733.635

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 733Study of Bifurcation and Chaos in the Current-Mode...

Study of Bifurcation and Chaos in the Current-Mode Controlled Boost DC-DC Converter

Abstract:

This paper derives bifurcation and chaos phenomena for the Boost converter under current-mode control. The precise discrete iterative mode is compiled in M file of MATLAB to obtain the bifurcation diagram, the Poincare mapping, the discrete value of output voltage and inductor current; The piecewise smooth switch model is built in Simulink of MATLAB to obtain the phase diagram and the time-domain chart. On the basis of two models, the bifurcation phenomena under variation of a range of circuit parameters including load resistance, have been investigated. Two kinds of model simulation results had the better consistency, which were proved the existence of bifurcation and chaos phenomena in the current-mode Boost converter.

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Periodical:

Applied Mechanics and Materials (Volume 733)

Pages:

635-638

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.733.635

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Online since:

February 2015

Authors:

Feng He Qi, Ying Sun

Keywords:

Bifurcation, Chaos, Current-Mode Controlled Boost Converter, Piecewise Smooth Switch Model, Precise Discrete Iterative Model

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