FARAJ , Iman; KHAWWAF, Jasim. Intelligent robust control of inverted pendulum using hierarchical sliding mode and ELM-based estimator. Archive of Mechanical Engineering, [S. l.], v. 73, n. 1, p. 19–41, 2026. DOI: 10.24425/ame.2025.157604. Disponível em: https://wydawnictwo.pan.pl/index.php/ame/article/view/7234. Acesso em: 20 oct. 2026.