Adaptive Sliding Mode Control for Magnetic levitation system. Al-Nahrain Journal for Engineering Sciences, [S. l.], v. 21, n. 2, p. 266–274, 2018. DOI: 10.29194/NJES21020266. Disponível em: https://nahje.com/nahje/article/view/448. Acesso em: 28 apr. 2026.