NGUYEN, T. P.; NGUYEN , V. D. H.; NGUYEN , P. L.; NGUYEN, M. T.; MIRCEA IVANESCU. Application of frequency criterion in designing controller for uncertain balancing robot. Journal of Technical Education Science, [S. l.], v. 12, n. Special Issue 01, p. 35–41, 2017. Disponível em: https://www.jte.edu.vn/index.php/jte/article/view/475. Acesso em: 7 apr. 2026.