ABRO, G. E. M.; ABDALLAH, A. M. Observer-Driven LQR and FOLQR Control for Enhanced Stability of Underactuated 2-DOF Helicopter. Instrumentation, [S. l.], v. 12, n. 1, 2025. DOI: 10.15878/j.instr.202500263. Disponível em: https://instrumentationjournal.com/index.php/instr/article/view/263. Acesso em: 18 may. 2025.