Morillo Piña, Atilio, E. Miguel Rios, and Vivian Acosta. “Stabilization of a Brushed DC Motor With the Port Controlled Hamiltonian Approach”. Rev. Téc. Fac. Ing. Univ. Zulia 29, no. 2 (1). Accessed August 3, 2025. http://www.produccioncientifica.luz.edu.ve/index.php/tecnica/article/view/5957.