Xu, Z. ., B. . Wang, K. . Xiang, X. . Li, and W. . Liu. “Photovoltaic Maximum Power Point Tracking Technology Based on Power Prediction Algorithm Combined With Variable Step Length Disturbance Observation Method”. Distributed Generation &Amp; Alternative Energy Journal, vol. 39, no. 04, Oct. 2024, pp. 851-74, doi:10.13052/dgaej2156-3306.3948.