Design and Application of Optimally-Tuned Variable Parameters PID Controller for Nonlinear Engineering Systems. European Journal of Formal Sciences and Engineering, [S. l.], v. 5, n. 2, p. 90–97, 2022. DOI: 10.26417/ejef.v4i1.p14-20. Disponível em: https://revistia.com/index.php/ejfe/article/view/1817. Acesso em: 10 jan. 2026.