1. Institute of Technological Sciences, Wuhan University, Hubei, Wuhan, China
2. School of Power and Mechanical Engineering, Wuhan University, Hubei, Wuhan, China
3. School of Information Engineering, North China University of Technology, Beijing, China
4. School of Power and Mechanical Engineering and the Institute of Technological Sciences, Wuhan University, Hubei, Wuhan, China
5. School of Industrial Engineering, Purdue University, West Lafayette, IN, USA