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Codimension-two big-bang bifurcation in a ZAD-Controlled Boost DC-DC Converter

  • A. Amador
  • , S. Casanova
  • , H. A. Granada
  • , G. Olivar
  • , J. Hurtado
  • Universidad Nacional de Colombia
  • Universidad Autónoma de Occidente

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

In this paper, we study some nonlinear behaviors in a two-dimensional system defined by a Boost Converter controlled by CPWM (Centered Pulse-Width Modulation) and a ZAD (Zero Average Dynamics) strategy. The dynamics was analyzed using a discrete-time map, which consists of a sampled system at each switching cycle. The structure of the two-parametric space is characterized analytically. This allows proving the existence and stability of an infinite number of codimension-one curves that intersect at the same point in the two-parametric space. This phenomenon has been called a big-bang bifurcation.

Original languageEnglish
Article number1450150
JournalInternational Journal of Bifurcation and Chaos
Volume24
Issue number12
DOIs
StatePublished - 16 Dec 2014

Keywords

  • DC-DC converters
  • Nonlinear phenomena
  • PWM control
  • ZAD strategy
  • big-bang bifurcation

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