1. School of Mechanical Engineering, Hefei University of Technology, Hefei, Anhui, PR China
2. AnHui Key Laboratory of Digital Design and Manufacturing, Hefei University of Technology, Hefei, Anhui, PR China
3. The Geroge W. Woodrufi School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
4. Key Laboratory of Road Construction Technology and Equipment of MOE, Chang’an University, Xi’an, PR China