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A Comparative Study between Dual Fuzzy Logic and Sliding Mode Control MPPT Techniques Applied to PV Pumping System

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The aim of this paper is to present a comparison investigation of the performance characteristics of two different Maximum Power Point Tracking (MPPT) techniques applied to photovoltaic (PV) pumping system. A dual fuzzy logic control technique and slide mode control command are developed and simulated by Matlab/Simulnk environment, the comparison is done to identifying the advantages and drawbacks of each technique for different values of radiation and temperature. The studied system consists of photovoltaic panel, dc-dc boost converter, a group motor-pump, and a storage tank. Simulation results obtained show the variation of the accuracy and speed response time with variation of condition atmospheric for each method, and verify their influence in the efficiency of the PV pumping system.
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PV Pumping System; MPPT; Dual Fuzzy Logic Control (DFLC); Slide Mode Control (SMC); Motor-Pump

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