Fault diagnosis of High Voltage Direct Current system based on H∞ filter. - Xi-Mei Liu; Wan-Yun Wei; Ke-Tai Wei; Xing-Sheng Gu (ROBIO, 2007)

Robust compound observers design for Lipschitz non-linear systems with unknown input disturbance. - Jin Zhao; Zhong-Yu Shen; Xing-Sheng Gu (Int. J. Model. Identif. Control., 2010)