[1] Hefei Univ Technol, Sch Elect Engn & Automat, Hefei 230009, Anhui, Peoples R China
[2] Hefei Univ Technol, Anhui Prov Engn Res Ctr Ind Automat, Hefei 230009, Anhui, Peoples R China
[3] Southeast Univ, Sch Automat, Nanjing 210096, Jiangsu, Peoples R China
[4] Jiangsu Univ, Sch Elect & Informat Engn, Zhenjiang 212013, Jiangsu, Peoples R China