ABOELHASSAN, M. A Proportional Integral Derivative (PID) Feedback Control without a Subsidiary Speed Loop. Acta Polytechnica, Prague, Czech Republic, v. 48, n. 3, 2008. DOI: 10.14311/973. Disponível em: https://ojs.cvut.cz/ojs/index.php/ap/article/view/973. Acesso em: 3 apr. 2025.