PHAM, Chau Nhan Phuc; TRAM, Minh Tan; VUONG, Quan-Truong. A Comparative Analysis of Optimal LQR and Conventional PID Control Strategies for Trajectory Tracking in a 3-DOF Spherical Articulated Manipulator. EAI Endorsed Transactions on Sustainable Manufacturing and Renewable Energy, [S. l.], v. 2, n. 4, 2026. DOI: 10.4108/eetsmre.11147. Disponível em: https://publications.eai.eu/index.php/sumare/article/view/11147. Acesso em: 26 jan. 2026.