• Ammar Al-Gizi Electrical Engineering Department, College of Engineering, Mustansiriyah University, Baghdad, Iraq Author https://orcid.org/0000-0002-4200-665X
  • Abbas H. MIRY 3Electrical Engineering Department, College of Engineering, Mustansiriyah University, Baghdad, Iraq Author https://orcid.org/0000-0002-7456-287X
  • Hussein M. Hathal 3Electrical Engineering Department, College of Engineering, Mustansiriyah University, Baghdad, Iraq Author https://orcid.org/0000-0002-3670-5585
  • Aurelian CRACIUNESCU Electrical Engineering Faculty, University Politehnica of Bucharest, Bucharest, Romania Author




Energy Yield, Fuzzy Controllers, Maximum Power Point Tracking, Perturb And Observe, Photovoltaic


The design of an effective fuzzy maximum power point tracking controller plays a crucial aspect in enhancing the photovoltaic system’s efficiency. This article aims to design and compare the performance of symmetric and asymmetric types of fuzzy controllers’ maximum power point tracking algorithms. Depending on the BP SX150S module’ power-voltage attributes at standard technical conditions, the input membership function parameters are derived. Moreover, the effect of fuzzy memberships’ quantity is also examined in this article. Where Five and seven triangular memberships are used. For the simulation, MATLAB is used to assess the effectiveness of the fuzzy controllers. Simulation results show that the asymmetric controller outperforms the symmetric type in terms of transient and steady-state tracking for different numbers of membership functions. Specifically, when employed with 5-triangle memberships, the asymmetric controller outperforms the symmetrical controller in terms of rise time, tracking precision, and energy output, respectively, by 83%, 0.06%, and 14.14%. While, the rise time, tracking precision, and energy yield of 7-triangle memberships are all improved by 86.7%, 0.04%, and 14.78%, respectively. Using asymmetric type, 7-triangle memberships enhance the rise time and harvested energy by around 18.2% and 0.082%, respectively. Overall, the most effective tracking technique for enhancing the photovoltaic system’s efficiency is the asymmetric type, independent of the quantity of memberships.


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How to Cite

FUZZY MAXIMUM POWER POINT TRACKING CONTROLLERS FOR PHOTOVOLTAIC SYSTEMS: A COMPARATIVE ANALYSIS. (2024). Journal of Engineering and Sustainable Development, 28(3), 364-374. https://doi.org/10.31272/jeasd.28.3.6

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