Open AccessDesign of Smart Fuzzy Logic Controller in Quad Buck-Boost DC DC Converter with Constant Input and Output Current
Author(s) -
Sreerama Amrutha Lahari,
R. Dhanalakshmi
Publication year - 2020
Publication title -
international journal of engineering and advanced technology
Language(s) - English
Resource type - Journals
ISSN - 2249-8958
DOI - 10.35940/ijeat.e9947.069520
Subject(s) - control theory (sociology) , buck converter , buck–boost converter , boost converter , settling time , fuzzy logic , controller (irrigation) , overshoot (microwave communication) , duty cycle , open loop controller , ćuk converter , pid controller , computer science , voltage , mathematics , engineering , control engineering , electrical engineering , step response , control (management) , closed loop , temperature control , telecommunications , agronomy , artificial intelligence , biology
In this paper, the design of a fuzzy logic controller based quad buck-boost converter with constant input and output current is presented. In contrast with the ordinary step-down-up converters the advanced converter with same duty cycle, a large limit of voltage conversion ratio could be acquired. A proposed converter is designed and studied with an intelligent controller i.e. fuzzy logic controller/FLC and differentiated with the ordinary Proportional-Integral /PIC controller. Finally, the analysis of the presented converter by employing MATLAB/Simulink, simulation results of the presented converter is recorded to substantiate the effectualness and rationality of the output voltage control of Quad buck-boost converter in both step-down-up mode and its comparative analysis is presented where the fuzzy logic has a minimum overshoot and settling time compared to regular PI controller.
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