[1] Beihang Univ, Dept Dynam & Control, Beijing 100191, Peoples R China
[2] Peking Univ, Coll Engn, Beijing 100871, Peoples R China
[3] Southeast Univ, Sch Math, Nanjing 210096, Peoples R China
[4] City Univ Hong Kong, Dept Elect Engn, Hong Kong, Peoples R China