Sliding Mode PWM-Direct Torque Controlled Induction Motor Drive with Kalman Filtration of Estimated Load. - Hau Huu Vo; Dat Vinh Phat Tran; Tri Quang Thieu; Tuan Anh Le; Dong Si Thien Chau; Pavel Brandstetter (J. Adv. Eng. Comput., 2021)