[1] Nanjing Univ Sci & Technol, Sch Automat, Nanjing 210094, Jiangsu, Peoples R China
[2] Shandong Inst Business & Technol, Sch Informat & Elect Engn, Yantai 264005, Shandong, Peoples R China
[3] Shandong Inst Business & Technol, Sch Publ Adm, Yantai 264005, Shandong, Peoples R China
[4] Suzhou Univ Sci & Technol, Sch Mech & Elect Engn, Suzhou 215000, Peoples R China