Abstract




 
   

IJE TRANSACTIONS A: Basics Vol. 31, No. 4 (April 2018) 580-587    Article in Press

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  A NEW IMPLEMENTATION OF MAXIMUM POWER POINT TRACKING BASED ON FUZZY LOGIC ALGORITHM FOR SOLAR PHOTOVOLTAIC SYSTEM
 
T. Boutabba, S. Drid, L. Chrifi-Alaoui and M. E. Benbouzid
 
( Received: June 20, 2017 – Accepted in Revised Form: January 04, 2018 )
 
 

Abstract    In this paper, we present a modeling and implementation of new control schemes for an isolated photovoltaic (PV) using a fuzzy logic controller (FLC). The PV system is connected to a load through a DC-DC boost converter. The FLC controller provides the appropriate duty cycle (D) to the DC-DC converter for the PV system to generate maximum power. Using FLC controller block in MATLABTM/Simulink environment simplifies its implementation. However, all the parameters of the FLC blocks are not accessible and can not be modified without redesigning it each time, causing the loss of considerable time to control our system. To avoid these drawbacks and to simplify both the access and the plot of all blocks, a modelisation of FLC membership’s functions has become a necessity. The simulation and experimental tests on a PV system show that the FLC provides a good tracking of the maximum power point (MPPT). Finally, we have evaluated the operation of the FLC on a real system consisting of a photovoltaic panel (BP580) model and have implemented the control strategy on a digital signal processor dSPACE DS1104.

 

Keywords    Photovoltaic; Dc-Dc Converter, Boost, Modelisation, Fuzzy Logic

 

چکیده   

در این مقاله، مدل سازی و اجرای طرحهای کنترل جدید برای یک فتوولتاییک مجزا (PV) با استفاده از کنترل کننده منطق فازی (FLC) ارائه شده است. سیستم PV توسط یک مبدل تقویت کننده DC-DC به یک بار متصل می­شود. کنترل کننده FLC چرخه کار مناسب (D) را برای مبدل DC-DC برای سیستمPV فراهم می­کند تا حداکثر نیرو را تولید کند. استفاده از مسدود کننده کنترل کننده FLC در محیط Simulink / MATLABTM اجرای آن را آسان می­کند. با این وجود تمام پارامترهای مسدود کننده های FLC در دسترس نیستند وبدون طراحی مجدد آن هر بار، نمی توانند اصلاح شوند که موجب از دست رفتن زمان قابل توجهی برای کنترل سیستم ما میشود.برای جلوگیری از این نقایص و ساده سازی دسترسی و طرح تمام مسدود کننده ها مدل سازی توابع عضویت FLC به یک ضرورت تبدیل شده است. شبیه سازی وآزمایش های تجربی بر یک سیستم PV نشان می­دهد که FLC ردیابی خوبی از نقطه حداکثر قدرت (MPPT) را فراهم می­کند. در نهایت ما عملکرد FLC را بر روی یک سیستم واقعی متشکل از یک پنل فتوولتاییک مدل (BP580) ارزیابی کرده­ایم و استراتژی کنترل را بر روی یک پردازنده سیگنال دیجیتال dSPACE DS1104 اجرا کرده­ایم.

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