Intelligent Nonlinear PID-Controller Combined With Optimization Algorithm for Effective Global Maximum Power Point Tracking of PV Systems. - Al-Wesabi Ibrahim; Zhijian Fang; Rui Li; Weilong Zhang; Jiazhu Xu; Vseem Zahir; Idriss Dagal; Hossam Kotb; Kareem M. Aboras; Ali Elrashidi (IEEE Access, 2024)