[Xiao, Yu; Xu, Xiaodong; Yang, Chunhua; Zhao, Zhibo; Gui, Weihua; Luo, Biao] Cent South Univ, Sch Automat, Changsha 410017, Peoples R China.
[Yuan, Yuan] Changsha Univ Sci & Technol, Sch Elect & Informat Engn, Changsha 410205, Peoples R China.
[Xu, Xiaodong; Yuan, Yuan] Univ Alberta, Dept Chem & Mat Engn, Edmonton, AB T6G 2R3, Canada.
[Huang, Tingwen] Texas A&M Univ Qatar, Dept Sci, Doha, Qatar.