Enhancing Virtual Inertia Control in Microgrid Clusters: A Novel Frequency Response Model Based on Deep Reinforcement Learning. - Criollo, Adrián; Benavides, Dario; Arévalo-Cordero, Paul; Ochoa-Correa, Danny; Minchala-Avila, Luis I.; Tostado-Véliz, Marcos (Applied Sciences (2076-3417), 2026)