Nguyen Khanh T, Bui Thanh T, Nguyen Dinh B, Tran Vuong K, Dinh Thi Lan A, Nguyen Thu H. Centralized Optimal Control with a Shared Signal for Identical Subsystems: Application to Multiple Four-Tank Systems. SSAD. 2026;36(2):048-056. doi:10.51316/jst.190.ssad.2026.36.190.6