An Improvement of a Fuzzy Logic-Controlled Maximum Power Point Tracking Algorithm for Photovoltic Applications

This paper presents an improved maximum power point tracking (MPPT) algorithm using a fuzzy logic controller (FLC) in order to extract potential maximum power from photovoltaic cells. The objectives of the proposed algorithm are to improve the tracking speed, and to simultaneously solve the inherent...

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Main Authors: Woonki Na, Pengyuan Chen, Jonghoon Kim
Format: Article
Language:English
Published: MDPI AG 2017-03-01
Series:Applied Sciences
Subjects:
Online Access:http://www.mdpi.com/2076-3417/7/4/326
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author Woonki Na
Pengyuan Chen
Jonghoon Kim
author_facet Woonki Na
Pengyuan Chen
Jonghoon Kim
author_sort Woonki Na
collection DOAJ
description This paper presents an improved maximum power point tracking (MPPT) algorithm using a fuzzy logic controller (FLC) in order to extract potential maximum power from photovoltaic cells. The objectives of the proposed algorithm are to improve the tracking speed, and to simultaneously solve the inherent drawbacks such as slow tracking in the conventional perturb and observe (P and O) algorithm. The performances of the conventional P and O algorithm and the proposed algorithm are compared by using MATLAB/Simulink in terms of the tracking speed and steady-state oscillations. Additionally, both algorithms were experimentally validated through a digital signal processor (DSP)-based controlled-boost DC-DC converter. The experimental results show that the proposed algorithm performs with a shorter tracking time, smaller output power oscillation, and higher efficiency, compared with the conventional P and O algorithm.
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spelling doaj.art-0abe3adc48e4492c9961c680eb010e262022-12-22T00:24:29ZengMDPI AGApplied Sciences2076-34172017-03-017432610.3390/app7040326app7040326An Improvement of a Fuzzy Logic-Controlled Maximum Power Point Tracking Algorithm for Photovoltic ApplicationsWoonki Na0Pengyuan Chen1Jonghoon Kim2Electrical and Computer Engineering, California State University, Fresno 93740, CA, USAElectrical and Computer Engineering, California State University, Fresno 93740, CA, USAElectrical Engineering, Chungnam National University, Daejeon 34134, KoreaThis paper presents an improved maximum power point tracking (MPPT) algorithm using a fuzzy logic controller (FLC) in order to extract potential maximum power from photovoltaic cells. The objectives of the proposed algorithm are to improve the tracking speed, and to simultaneously solve the inherent drawbacks such as slow tracking in the conventional perturb and observe (P and O) algorithm. The performances of the conventional P and O algorithm and the proposed algorithm are compared by using MATLAB/Simulink in terms of the tracking speed and steady-state oscillations. Additionally, both algorithms were experimentally validated through a digital signal processor (DSP)-based controlled-boost DC-DC converter. The experimental results show that the proposed algorithm performs with a shorter tracking time, smaller output power oscillation, and higher efficiency, compared with the conventional P and O algorithm.http://www.mdpi.com/2076-3417/7/4/326PVP and OMPPTfuzzy logic controlDC-DC converter
spellingShingle Woonki Na
Pengyuan Chen
Jonghoon Kim
An Improvement of a Fuzzy Logic-Controlled Maximum Power Point Tracking Algorithm for Photovoltic Applications
Applied Sciences
PV
P and O
MPPT
fuzzy logic control
DC-DC converter
title An Improvement of a Fuzzy Logic-Controlled Maximum Power Point Tracking Algorithm for Photovoltic Applications
title_full An Improvement of a Fuzzy Logic-Controlled Maximum Power Point Tracking Algorithm for Photovoltic Applications
title_fullStr An Improvement of a Fuzzy Logic-Controlled Maximum Power Point Tracking Algorithm for Photovoltic Applications
title_full_unstemmed An Improvement of a Fuzzy Logic-Controlled Maximum Power Point Tracking Algorithm for Photovoltic Applications
title_short An Improvement of a Fuzzy Logic-Controlled Maximum Power Point Tracking Algorithm for Photovoltic Applications
title_sort improvement of a fuzzy logic controlled maximum power point tracking algorithm for photovoltic applications
topic PV
P and O
MPPT
fuzzy logic control
DC-DC converter
url http://www.mdpi.com/2076-3417/7/4/326
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