[1] Peking Univ, Beijing 100871, Peoples R China
[2] Beijing Jiaotong Univ, State Key Lab Rail Traff Control & Safety, Beijing 100044, Peoples R China
[3] Huazhong Univ Sci & Technol, Key Lab, Minist Educ Image Proc & Intelligent Control, Sch Automat, Wuhan 430074, Peoples R China
[4] Colorado State Univ, Ft Collins, CO 80523 USA
[5] N Carolina State Univ, Dept Elect & Comp Engn, Raleigh, NC 27695 USA
[6] Keio Univ, Keio Adv Res Ctr, Yokohama, Kanagawa 2238522, Japan
[7] Keio Univ, Dept Syst Design Engn, Yokohama, Kanagawa 2238522, Japan
[8] Univ Illinois, Grainger Ctr Elect Machinery & Elect Dept Elect &, Urbana, IL 61801 USA
[9] Univ N Dakota, Grand Forks, ND 58202 USA
[10] Univ Texas Dallas, Dept Mech Engn, Richardson, TX 75083 USA
[11] Clemson Univ, Clemson, SC 29634 USA
[12] Chinese Acad Sci, Key Lab Complex Syst & Intelligence Sci, Beijing 100864, Peoples R China
[13] Natl Univ Def Technol, Sch Informat Syst & Management, Changsha 410073, Hunan, Peoples R China
[14] Peking Univ, Beijing 100871, Peoples R China
[15] North China Univ Technol, Beijing 100144, Peoples R China