PASSIVITY-BASED SLIDING MODE CONTROLLER/OBSERVER FOR A LIGHTWEIGHT ROBOTIC ARM. REVUE ROUMAINE DES SCIENCES TECHNIQUES — SÉRIE ÉLECTROTECHNIQUE ET ÉNERGÉTIQUE, [S. l.], v. 71, n. 3, p. 451–456, 2026. DOI: 10.59277/RRST-EE.2026.3.19. Disponível em: https://journal.iem.pub.ro/rrst-ee/article/view/1805. Acesso em: 8 sep. 2026.