3-D Unbalanced Coordinate Transformation With Super-Twisting Control and Observation for Unbalance and Disturbance Load Voltage Mitigations in Stand Alone Four-Leg Inverters. - Ali Chebabhi; Said Barkat; Djamal Ziane; Habib Benbouhenni; Mohamed-Fouad Benkhoris; Zakaria M. Salem Elbarbary; Mohammed Karim Fellah; Toufik Rekioua (IEEE Access, 2025)