C O NGENE; I I ENEH. Stability Analysis of Backstepping Controller on Electrohydraulic System Using Disturbance Observer Mechanism. International Journal of Progressive Research in Science and Engineering , [S. l.], v. 4, n. 4, p. 14–18, 2023. Disponível em: https://journal.ijprse.com/index.php/ijprse/article/view/805. Acesso em: 19 may. 2024.