Yu Luping Professor, Master Instructor. Graduated from Chang'an University in October 1986 with a master's degree in engineering and mechanical engineering. From October 1986 till now, he worked in the School of Construction Machinery, Chang'an University. He has published 38 papers in various domestic journals and obtained 23 national invention patents and 27 utility model patents. He pioneered the design of foundation settlement test bed; invented the road friction coefficient tester; Research areas: ① mechanical design and theory ② engineering machinery computer simulation and control ③ construction machinery, road construction technology research and development of new equipment.E-mail：ylping@chd.edu.cn