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FPGA Implementation of Synergetic Controller-Based MPPT Algorithm for a Standalone PV System

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Publicado en:Computation vol. 13, no. 3 (2025), p. 64
Autor principal: Al-Hussein, Abdul-Basset A
Otros Autores: Fadhil Rahma Tahir, Viet-Thanh Pham
Publicado:
MDPI AG
Materias:
Control theory
Systems stability
Field programmable gate arrays
Digital signal processors
Energy resources
Irradiance
Fuzzy logic
Photovoltaic cells
Efficiency
Control tasks
Direct conversion
Speed control
Fossil fuels
Neural networks
Renewable resources
Effectiveness
High speed
Design
Algorithms
Sliding mode control
Alternative energy sources
Controllers
Maximum power tracking
Solar radiation
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Resumen:Photovoltaic (PV) energy is gaining traction due to its direct conversion of sunlight to electricity without harming the environment. It is simple to install, adaptable in size, and has low operational costs. The power output of PV modules varies with solar radiation and cell temperature. To optimize system efficiency, it is crucial to track the PV array’s maximum power point. This paper presents a novel fixed-point FPGA design of a nonlinear maximum power point tracking (MPPT) controller based on synergetic control theory for driving autonomously standalone photovoltaic systems. The proposed solution addresses the chattering issue associated with the sliding mode controller by introducing a new strategy that generates a continuous control law rather than a switching term. Because it requires a lower sample rate when switching to the invariant manifold, its controlled switching frequency makes it better suited for digital applications. The suggested algorithm is first emulated to evaluate its performance, robustness, and efficacy under a standard benchmarked MPPT efficiency (<inline-formula>ηMPPT</inline-formula>) calculation regime. FPGA has been used for its capability to handle high-speed control tasks more efficiently than traditional micro-controller-based systems. The high-speed response is critical for applications where rapid adaptation to changing conditions, such as fluctuating solar irradiance and temperature levels, is necessary. To validate the effectiveness of the implemented synergetic controller, the system responses under variant meteorological conditions have been analyzed. The results reveal that the synergetic control algorithm provides smooth and precise MPPT.
ISSN:2079-3197
DOI:10.3390/computation13030064
Fuente:Advanced Technologies & Aerospace Database