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Chaos Elimination for a Buck Converter Using the Multi-Objective Grey Wolf Optimiser Cover

Chaos Elimination for a Buck Converter Using the Multi-Objective Grey Wolf Optimiser

Open Access
|May 2023

Abstract

A wide variety of nonlinear phenomena, such as bifurcation and chaos, have been observed in power electronics converters. Much research has been conducted on these behaviours in different converter topologies. The buck converter is known to exhibit chaotic behaviour in a wide parameter range, giving rise to unstable behaviours depending on the circuit parameters values. This paper investigates this bifurcation behaviour by varying the parameters of a voltage PI (Proportional Integral) controlled buck converter operating in continuous conduction mode, using a continuous-time model and constant frequency control signal. Furthermore, a novel and improved version of the PI compensation technique, designed using the multi-objective grey wolf optimiser (MOGWO), is proposed to stabilise the buck converter from chaotic state to periodic orbit.

DOI: https://doi.org/10.2478/pead-2023-0012 | Journal eISSN: 2543-4292 | Journal ISSN: 2451-0262
Language: English
Page range: 165 - 173
Submitted on: Feb 14, 2023
Accepted on: Mar 28, 2023
Published on: May 15, 2023
Published by: Wroclaw University of Science and Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year

© 2023 Derradji Bakria, Djamal Gozim, Belkacem Korich, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.