Journal
IEEE TRANSACTIONS ON POWER ELECTRONICS
Volume 36, Issue 12, Pages 13826-13838Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPEL.2021.3089707
Keywords
Control engineering; maximum power point tracking (MPPT); optimization; photovoltaic power system; reinforcement learning (RL); self-tuning
Categories
Funding
- National Natural Science Foundation of China [51977112]
- Natural Science Research Project of Jiangsu Higher Education Institutions [20KJB470020]
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The article proposes a self-tuning scheme to improve the performance of maximum power point tracking (MPPT) in PV power systems, achieving high accuracy and speed through reinforcement learning algorithm and Beta parameter. By optimizing the RL algorithm and guiding variable Beta, the tracking speed and accuracy are significantly improved, and simulation and experimental tests confirm the superior performance of the proposed solution.
Maximum power point tracking (MPPT) is required in PV power systems for the highest solar energy harvest. This article proposes a self-tuning scheme to improve the MPPT performance in terms of high accuracy and speed. The scheme adopts the reinforcement learning (RL) and Beta parameter for the highest MPPT performance. The tracking speed and accuracy are significantly improved since the RL algorithm is enhanced for high convergence speed, meanwhile, the guiding variable beta is introduced to constrain the exploration space. Simulation and experimental test are applied to validate the superior performance of the proposed solution following the EN50530 dynamic test procedure.
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