AKBARIMAJD, Adel. Reinforcement Learning Adaptive PID Controller for an Under-actuated Robot Arm. International Journal of Integrated Engineering, [S. l.], v. 7, n. 2, 2015. Disponível em: https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/895. Acesso em: 10 apr. 2026.