[1] Tianjin Univ Technol, Tianjin Key Lab Control Theory & Applicat Complic, Tianjin 300384, Peoples R China
[2] Tianjin Univ, Sch Elect Engn & Automat, Tianjin 300072, Peoples R China
[3] Tianjin Univ Technol, Sch Elect Engn, Tianjin 300384, Peoples R China