NGUYEN, V. D. H.; NGUYEN, M. T.; HOANG, N. V.; NGUYEN, T. Y. T.; MIRCEA IVANESCU. Observer-based PD controller for balancing robot with uncertain model. Journal of Technical Education Science, [S. l.], v. 12, n. Special Issue 01, p. 17–24, 2017. Disponível em: https://www.jte.edu.vn/index.php/jte/article/view/473. Acesso em: 7 apr. 2026.