2013 IEEE 1st International Conference on Condition Assessment Techniques in Electrical Systems (CATCON) 2013
DOI: 10.1109/catcon.2013.6737524
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Modelling of fuzzy logic controller for variable-step MPPT in photovoltaic system

Abstract: The output power of photovoltaic electrical systems is highly dynamic and non-linear in nature. In order to extract maximum power from such systems, maximum power point tracking (MPPT) technique is required. MPPT techniques with variable step-size of perturbation track the maximum power point (MPP) with more efficiency. In this paper, a model of a fuzzy logic controller (FLC) for determining the step-size of perturbation in duty-cycle of a photovoltaic electrical system to track MPP is presented and its result… Show more

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Cited by 16 publications
(9 citation statements)
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“…Judging by the physical characteristics of the boost converter, the upper limit of the output voltage at which the boost converter works normally is 24V [30]. According to (14) and the values of L = 20mH, C = 2mF and R = 10Ω, we get the values of the matrices and the state space model equations.…”
Section: The State Space Model Of the Voltage Conversion Processmentioning
confidence: 99%
“…Judging by the physical characteristics of the boost converter, the upper limit of the output voltage at which the boost converter works normally is 24V [30]. According to (14) and the values of L = 20mH, C = 2mF and R = 10Ω, we get the values of the matrices and the state space model equations.…”
Section: The State Space Model Of the Voltage Conversion Processmentioning
confidence: 99%
“…Fuzzy logic uses fuzzy rules to make a decision and generate the control action instead of using a mathematical formula [19]. This represents in a structured way the control policy in the form of a set of production rules such as:…”
Section: Rule Basementioning
confidence: 99%
“…Photovoltaic (PV) systems come to the forefront as they are clean energy sources, natural resources and they can generating electrical energy from sunlight everywhere. [1][2][3]. The disadvantage of PV systems is that the sun does not shine in the same way for 24 hours a day, when the radiation of the sun decreases, PV panels stop generating electricity.…”
Section: Introductionmentioning
confidence: 99%