[1] Hunan Univ Technol, Sch Elect & Informat Engn, Zhuzhou 412007, Hunan, Peoples R China
[2] Hunan Univ Technol, Inst Intelligent Equipment & Control Technol, Zhuzhou 412007, Hunan, Peoples R China
[3] Swinburne Univ Technol, Sch Sci Comp & Engn Technol, Melbourne, Vic 3122, Australia
[4] Hunan Univ Technol, Sch Elect & Informat Engn, Zhuzhou 412007, Hunan, Peoples R China