A Performance Comparison of the Extended Kalman Filter and the Unscented Kalman Filter for Photovoltaic Power Output Forecasting. - Sinulingga, Rizky Amalia; Herlambang, Teguh; Triwinanto, Puguh; Othman, Zuraini; Idris, Ariff; Mohammed, Norazlin; Aji, Gagas Gayuh; Arief, Mochammad Romli (Engineering, Technology & Applied Science Research, 2026)