Guaranteed cost nonlinear tracking control of a boiler-turbine unit: an LMI approach. - Jie Wu; Sing Kiong Nguang; Jiong Shen; Guangyu Justin Liu; Yi-Guo Li (Int. J. Syst. Sci., 2010)

Principles, Design, and Calibration for a Genre of Irradiation Angle Sensors. - Guangyu Justin Liu; Roneel Dass; Sing Kiong Nguang; Ashton Partridge (IEEE Trans. Ind. Electron., 2013)