An effective optimal linear quadratic analog tracker for the system with unknown disturbances. - Guo-Zhen He; Yau-Tarng Juang; Jason Sheng-Hong Tsai; Yun-You Lin; Shu-Mei Guo; Leang-San Shieh; Tzong-Jiy Tsai (ISIE, 2017)

Robust observer-based optimal linear quadratic tracker for five-degree-of-freedom sampled-data active magnetic bearing system. - Jason Sheng-Hong Tsai; Te-Jen Su; Jui-Chuan Cheng; Yun-You Lin; Van-Nam Giap; Shu-Mei Guo; Leang-San Shieh (Int. J. Syst. Sci., 2018)