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Title: Intelligent maximum power point trackers for photovoltaic applications using FPGA chip: A comparative study
Authors: Chekired, F. 
Mellit, Adel 
Kalogirou, Soteris A. 
Larbes, Cherif 
Major Field of Science: Engineering and Technology
Field Category: Environmental Engineering
Keywords: Co-simulation;FPGA;Intelligent MPPTs;Photovoltaic system;Real time implementation
Issue Date: Mar-2014
Source: Solar Energy, 2014, vol. 101, pp. 83-99
Volume: 101
Start page: 83
End page: 99
Journal: Solar Energy 
Abstract: In this paper, various intelligent methods (IMs) used in tracking the maximum power point and their possible implementation into a reconfigurable field programmable gate array (FPGA) platform are presented and compared. The investigated IMs are neural networks (NN), fuzzy logic (FL), genetic algorithm (GA) and hybrid systems (e.g. neuro-fuzzy or ANFIS and fuzzy logic optimized by genetic algorithm). Initially, a complete simulation of the photovoltaic system with intelligent MPP tracking controllers using MATLAB/Simulink environment is given. Secondly, the different steps to design and implement the controllers into the FPGA are presented, and the best controller is tested in real-time co-simulation using FPGA Virtex 5. Finally, a comparative study has been carried out to show the effectiveness of the developed IMs in terms of accuracy, quick response (rapidity), flexibility, power consumption and simplicity of implementation. Results confirm the good tracking efficiency and rapid response of the different IMs under variable air temperature and solar irradiance conditions; however, the FL-GA controller outperforms the other ones. Furthermore, the possibility of implementation of the designed controllers into FPGA is demonstrated.
ISSN: 0038-092X
DOI: 10.1016/j.solener.2013.12.026
Rights: © Elsevier
Type: Article
Affiliation : Development Unit of Solar Equipments 
Jijel University 
The Abdus Salam International Centre for Theoretical Physics 
Cyprus University of Technology 
National Polytechnic School of Algiers 
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