Designing Active Disturbance Rejection Control of Permanent Magnetic Spherical Actuator Based on Nonlinear Extended State Observer. Elektronika ir Elektrotechnika, [S. l.], v. 28, n. 1, p. 23–31, 2022. DOI: 10.5755/j02.eie.30102. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/30102.. Acesso em: 10 dec. 2025.