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Controlling DC–DC converters by chaos-based pulse width modulation to reduce EMI

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  • Li, Hong
  • Zhang, Bo
  • Li, Zhong
  • Halang, Wolfgang A.
  • Chen, Guanrong

Abstract

In this paper, periodic and chaotic behaviors of DC–DC converters under certain parametric conditions are simulated, experimentally verified, and analyzed. Motivated by the work of J.H.B. Deane and D.C. Hamill in 1996, where chaotic phenomena are useful in suppressing electromagnetic interference (EMI) by adjusting the parameters of the DC–DC converter and making it operate in chaos, a chaos-based pulse width modulation (CPWM) is proposed to distribute the harmonics of the DC–DC converters continuously and evenly over a wide frequency range, thereby reducing the EMI. The output waves and spectral properties of the EMI are simulated and analyzed as the carrier frequency or amplitude changes with regard to different chaotic maps. Simulation and experimental results are given to illustrate the effectiveness of the proposed CPWM, which provides a good example of applying chaos theory in engineering practice.

Suggested Citation

  • Li, Hong & Zhang, Bo & Li, Zhong & Halang, Wolfgang A. & Chen, Guanrong, 2009. "Controlling DC–DC converters by chaos-based pulse width modulation to reduce EMI," Chaos, Solitons & Fractals, Elsevier, vol. 42(3), pages 1378-1387.
    • Handle: RePEc:eee:chsofr:v:42:y:2009:i:3:p:1378-1387
    DOI: 10.1016/j.chaos.2009.03.045
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    References listed on IDEAS

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    1. Cafagna, D. & Grassi, G., 2005. "Experimental study of dynamic behaviors and routes to chaos in DC–DC boost converters," Chaos, Solitons & Fractals, Elsevier, vol. 25(2), pages 499-507.
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    4. Natsheh, Ammar N. & Kettleborough, J. Gordon & Janson, Natalia B., 2009. "Experimental study of controlling chaos in a DC–DC boost converter," Chaos, Solitons & Fractals, Elsevier, vol. 40(5), pages 2500-2508.
    5. Angulo, Fabiola & Olivar, Gerard & Taborda, Alexander, 2008. "Continuation of periodic orbits in a ZAD-strategy controlled buck converter," Chaos, Solitons & Fractals, Elsevier, vol. 38(2), pages 348-363.
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    7. Natsheh, Ammar N. & Kettleborough, J. Gordon & Nazzal, Jamal M., 2009. "Analysis, simulation and experimental study of chaotic behaviour in parallel-connected DC–DC boost converters," Chaos, Solitons & Fractals, Elsevier, vol. 39(5), pages 2465-2476.
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    Cited by:

    1. Jiri Petrzela, 2022. "Chaos in Analog Electronic Circuits: Comprehensive Review, Solved Problems, Open Topics and Small Example," Mathematics, MDPI, vol. 10(21), pages 1-28, November.

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