PHOTOLTAIC MPPT CONTROL METHOD BASDE ON IPSO-NTSMC

Chang Yufang; Luo Mengyao; Gao Peng; Yan Huaicheng; Huang Wencong

doi:10.19912/j.0254-0096.tynxb.2024-1523

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Acta Energiae Solaris Sinica ›› 2026, Vol. 47 ›› Issue (1) : 82-88. DOI: 10.19912/j.0254-0096.tynxb.2024-1523

PHOTOLTAIC MPPT CONTROL METHOD BASDE ON IPSO-NTSMC

Chang Yufang¹, Luo Mengyao¹, Gao Peng¹, Yan Huaicheng², Huang Wencong¹

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Abstract

To address the multi-peak problem of photovoltaic （PV） array output power under partial shading conditions, this paper proposes a composite control method that integrates an improved particle swarm optimization （IPSO） algorithm with non-singular terminal sliding mode control （NTSMC）. First, the mathematical model and output characteristics of the PV array are analyzed. Second, an improved particle swarm optimization algorithm is designed to reduce the impact of inertia weight during execution, thereby enhancing the output power of the PV system under partial shading. Third, a non-singular terminal sliding mode switching surface is designed to overcome the singularity problem of traditional sliding mode control, simplifying the system structure and improving steady-state accuracy. Finally, simulation experiments are conducted on the Matlab/Simulink platform and compared with existing methods. The results demonstrate that the proposed strategy exhibits superior performance in terms of tracking speed and steady-state power fluctuation, significantly improving the maximum power point tracking （MPPT） effect of the PV system.

Key words

photovoltaic array / solar cells / sliding mode control / maximum power point tracking / particle swarm optimization / photovoltaic power generation / partial shading

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Chang Yufang, Luo Mengyao, Gao Peng, Yan Huaicheng, Huang Wencong. PHOTOLTAIC MPPT CONTROL METHOD BASDE ON IPSO-NTSMC[J]. Acta Energiae Solaris Sinica. 2026, 47(1): 82-88 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1523

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