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| Electric Vehicle Application of Fuzzy Logic Controlled Z Connected DC Converter Topology
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Osman Zenk, and Birol Ertu?ral,
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Abstract:
This article proposes a new fuzzy logic controlled Z-source dc-dc converter topology for electric vehicles. Compared with existing dc-dc converter circuits used in electric vehicles, it can reduce the inrush and high harmonic current on the battery, provide a wider output dc voltage range, and increase reliability. In terms of energy efficiency, it can work as voltage fed and current fed in cases where the source and load are changed. It can perform both the function of increasing and decreasing the output voltage in the two proposed operating states. The working principle and fuzzy logic control method of this new topology proposed for electric vehicles are presented. Analysis and simulation results of a voltage-fed Z source dc-dc converter are shown in an example Matlab / Simulink electric vehicle application.
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