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Control of Chaotic Behaviour in Parallel-Connected DC-DC Boost Converters
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DOI:10.1016/j.egypro.2012.05.144.png)
Abstract
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Chaos control means to design a controller that is able to eliminating the chaos behaviour of nonlinear systems that experiencing such phenomenon. In this paper, a delayed feedback control mode is presented. The paper describes the control of the bifurcation behaviour of a modular peak current-mode controlled DC-DC boost converter which is used to provide an interface between energy storage batteries and photovoltaic (PV) arrays renewable energy sources. The parallel-input/parallel-output converter comprises two identical boost circuits and operates in the continuous-current conduction mode. A comparison is made between waveforms obtained from a MATLAB/SIMULINK model for open-loop converter and the controlled one. The study shows the effectiveness of the designed delayed feedback control mode. (C) 2011 Published by Elsevier Ltd. Selection and/or peer-review under responsibility of TerraGreen Society.
Keywords:
Bifurcation and Chaos Theory
Boost Converter
Delayed Feedback Control Mode
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