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Step by Step FPGA-Based Implementation of MPPT Fuzzy Controller for PV Systems

This paper presents an approach for implementing a fuzzy maximum power point tracking (MPPT) controller based on field programmable gate array (FPGA). In the presented approach, at first, the Matlab code of the fuzzy MPPT controller is converted to VHDL code using Matlab HDL coder. Then, the generated VHDL code of the controller is used for programming the Altera FPGA device using QUARTUS 17.1 software. To examine the efficiency of the proposed approach, the control output surface results of the MPPT controller are evaluated experimentally and theoretically. The experimental results are evaluated by testing the FPGA whereas the theoretical results are evaluated by using the Matlab simulation software. It is demonstrated from the comparison of experimental and simulation results, the proposed approach is successfully used to design on the FPGA device.