研究目的
To track the maximum power point of a photovoltaic (PV) system using a Backstepping controller with integral option in three different cases of the solar panel model under varying weather conditions.
研究成果
The integral Backstepping control strategy effectively tracks the maximum power point in PV systems under varying conditions. The controller demonstrates robustness and quick response, with asymptotic stability confirmed via Lyapunov’s analysis. Simulation results validate the control design, particularly for the ideal case, with noted improvements needed for cases involving resistances.
研究不足
The study focuses on simulation-based analysis, which may not fully capture real-world conditions. The robustness of the controller is slightly perturbed in cases with resistances, indicating potential areas for optimization.
1：Experimental Design and Method Selection:
The study employs a Backstepping controller with integral option for MPPT in PV systems. The methodology includes theoretical models and algorithms for nonlinear control.
2：Sample Selection and Data Sources:
Three cases of PV models are considered: without resistances, with series and shunt resistances, and with constant series resistance and variable shunt resistance.
3：List of Experimental Equipment and Materials:
PV system associated with a load via DC/DC Boost converter, simulated in Simulink/Matlab environment.
4：Experimental Procedures and Operational Workflow:
The controller is tested under varying solar irradiation and temperature conditions to assess robustness and performance.
5：Data Analysis Methods:
Lyapunov’s analysis is used for system stability, and simulation results are analyzed to evaluate controller performance.
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