K. ANTAR, R.; A. ALLU, A. Design and Modeling of Speed Sensorless Control of DC Motor Drive System. Al-Rafidain Engineering Journal (AREJ), [S. l.], v. 22, n. 5, p. 238–249, 2014. DOI: 10.33899/rengj.2014.101020. Disponível em: https://ojs.uomosul.edu.iq/index.php/arej/article/view/27280. Acesso em: 8 aug. 2025.