Dual-variable asymmetric modulation with a simplified duty optimization scheme for DAB converters to improve efficiency. - Guan, Longfei; Pan, Jingchen; Li, Hao; Song, Chonghui; Jiao, Zhengkuo; Sun, Xianrui; Sun, Ruiwang; Wang, Xudong; Qiu, Yunlong (Electrical Engineering, 2025)