NGUYEN HOAI NAM. CONTROL OF TWO-WHEELED INVERTED PENDULUM ROBOT USING ROBUST PI AND LQR CONTROLLERS. Journal of Military Science and Technology, [S. l.], n. 66A, p. 1–15, 2020. Disponível em: https://jmst.mod.gov.vn/index.php/jmst/article/view/207. Acesso em: 26 jan. 2026.