1. School of Mechanical Engineering, Yanshan University, Qinhuangdao, Hebei, China
2. Civil Engineering Department, Binzhou University, Binzhou, Shandong, China
3. Mechanical Engineering Department, Kyushu Institute of Technology, Kitakyushu, Fukuoka, Japan
4. School of Intelligent Vehicle and Aeronautics, Harbin Huade University, Harbin, Heilongjiang, China