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Abstract—In photovoltaic power generation systems, traditional algorithms have the disadvantage of poor maximum power tracking stability and cannot accurately find the maximum power point. In order to solve this problem, this paper proposes a backstepping control method based on Lyapunov function, which can not only improve the stability of the system, but also accurately find the maximum power point. By comparing the results of the two algorithms through experiments, it is verified that when the external environment changes, the output waveform of the Backstepping method is more stable, the fluctuation is smaller, and the robustness is stronger.

Research on MPPT of photovoltaic power generation based on Backstepping method Junrui Wang Chuang Wang Li Dai Libao Wang Xinju Wu Jingchao Zhou

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