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Efficient chaotic based satellite power supply subsystem

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  • Turci, Luiz Felipe Ramos
  • Macau, Elbert E.N.
  • Yoneyama, Takashi

Abstract

In this work, we investigate the use of the Dynamical System Theory to increase the efficiency of the satellite power supply subsystems. The core of a satellite power subsystem relies on its DC/DC converter. This is a very nonlinear system that presents a multitude of phenomena ranging from bifurcations, quasi-periodicity, chaos, coexistence of attractors, among others. The traditional power subsystem design techniques try to avoid these nonlinear phenomena so that it is possible to use linear system theory in small regions about the equilibrium points. Here, we show that more efficiency can be drawn from a power supply subsystem if the DC/DC converter operates in regions of high nonlinearity. In special, if it operates in a chaotic regime, is has an intrinsic sensitivity that can be exploited to efficiently drive the power subsystem over high ranges of power requests by using control of chaos techniques.

Suggested Citation

  • Turci, Luiz Felipe Ramos & Macau, Elbert E.N. & Yoneyama, Takashi, 2009. "Efficient chaotic based satellite power supply subsystem," Chaos, Solitons & Fractals, Elsevier, vol. 42(1), pages 396-407.
    • Handle: RePEc:eee:chsofr:v:42:y:2009:i:1:p:396-407
    DOI: 10.1016/j.chaos.2008.12.006
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    1. MacAuley, Molly K. & Davis, James F., 2001. "An Economic Assessment of Space Solar Power as a Source of Electricity for Space-Based Activities," Discussion Papers 10794, Resources for the Future.
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