Toward a globally robust decentralized control for large-scale power systems. - Haibo Jiang; Hongzhi Cai; John F. Dorsey; Zhihua Qu (IEEE Trans. Control. Syst. Technol., 1997)

Multi machine power system excitation control design via theories of feedback linearization control and nonlinear robust control. - Deqiang Gan; Zhihua Qu; Hongzhi Cai (Int. J. Syst. Sci., 2000)

A nonlinear robust HVDC control for a parallel AC/DC power system. - Hongzhi Cai; Zhihua Qu; Deqiang Gan (Comput. Electr. Eng., 2003)

An Algorithm For Siting Nonlinearly-Designed Robust Excitation Controllers in Power Systems. - Deqiang Gan; Zhihua Qu; Hongzhi Cai (Intell. Autom. Soft Comput., 2003)