ABOELHASSAN, M. A Proportional Integral Derivative (PID) Feedback Control without a Subsidiary Speed Loop. Acta Polytechnica, [S. l.], v. 48, n. 3, 2008. DOI: 10.14311/973. Disponível em: https://ojst.is.cvut.cz/ojs/index.php/ap/article/view/973.. Acesso em: 20 may. 2025.