Sliding Mode Control for Position Tracking of Servo System with a Variable Loaded DC Motor. Elektronika ir Elektrotechnika, [S. l.], v. 25, n. 4, p. 8–16, 2019. DOI: 10.5755/j01.eie.25.4.23964. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/23964.. Acesso em: 5 dec. 2025.