Complex Dynamics and Effects of Memristive Load Using Current-Mode-Controlled in Buck Converter

Alain Soup Tewa Kammogne, Edwige Mache Kengne, Sundarapandian Vaidyanathan, Hilaire Bertrand Fotsin, Thomas Tatietse Tamo and Anibal Coronel

Discrete Dynamics in Nature and Society, 2022, vol. 2022, 1-13

Abstract: Electronic power converters are in a state of exhibiting some complex features which can be influenced by the converter’s structure parameters and load, as well as its pulse period. In this paper, we propose to investigate these phenomena occurring in the dc/dc buck converter by carrying out the dynamics of the said system when it exhibits the fingerprints of frequency-dependent pinched hysteresis loops. The essential part of this study is consecrated to the nonlinear dynamics when the converter load is memristive. Under two kinds of switch states, the independent nonlinear models and equations are derived which provide a complete dynamics description of the system under investigation. The dynamics analysis is performed by making use of bifurcation tools, phase portraits, and two parameters Lyapunov diagrams showing that the system depicts very rich and striking behaviors such as periodic orbits, period-doubling bifurcation, quasiperiodicity, chaos, and pinched hysteresis loops of the memristive load. Finally, the numerical simulation results are in almost perfect agreement with the analog result obtained with PSIM. The results obtained in this work have not yet been reported in the literature to the best of our knowledge and thus deserve dissemination.

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnddns:7068949

DOI: 10.1155/2022/7068949

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