1. School of Mechanical Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
2. School of Mechanical Engineering, Taiyuan University of Science and Technology, Taiyuan 030024, China
3. School of Energy and Power Engineering, Wuhan University of Technology, Wuhan 430063, China
4. School of Mechatronic Engineering, China University of Mining and Technology, Xuzhou 221116, China