研究目的
Investigating the tuning of PI controller parameters for a DC-DC boost converter in photovoltaic systems using accelerated particle swarm optimization (APSO) to improve performance under variable irradiation levels.
研究成果
The APSO-tuned PI controller significantly improves the performance of the DC-DC boost converter in photovoltaic systems under variable irradiation levels, as evidenced by reduced settling time, overshoot, and undershoot, and improved transient energy evaluation.
研究不足
The study is limited to simulation in MATLAB/Simulink and does not include physical implementation or testing under real-world conditions. The focus is on a specific configuration of PV system components.
1：Experimental Design and Method Selection:
The study involves mathematical modeling of a PV module in MATLAB/Simulink, design of a DC-DC boost converter, and simulation of a three-phase SPWM inverter. The PI controller's tuning parameters are optimized using APSO.
2：Sample Selection and Data Sources:
The PV module's output under varying irradiation levels serves as the input to the boost converter. The system's response is analyzed under these conditions.
3：List of Experimental Equipment and Materials:
MATLAB/Simulink for simulation, PV module model, DC-DC boost converter, and three-phase SPWM inverter.
4：Experimental Procedures and Operational Workflow:
The PV module's output is fed into the boost converter, which is then connected to the SPWM inverter. The system's performance is evaluated with and without APSO-tuned PI controller under changing irradiation levels.
5：Data Analysis Methods:
The performance is analyzed based on settling time, overshoot, undershoot, and transient energy evaluation.
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