Current Professional Societies

1. National Natural Science Foundation peer review expert;

2. Beijing Natural Science Foundation peer review expert.

Research Areas

1. Micro-macro scale contact mechanism of high-strength bolted joint;

2. Design and analysis of hydrostatic support system for heavy-duty CNC machine tool；

3. Key technology of intelligent manufacturing unit.

Honors

1. First prize of Beijing Science and Technology Progress Award;

2. First prize of China Machinery Industry Science and Technology Award.

Publications

1. Zhao Yongsheng *, Yang C, Cai L, et al. Surface contact stress-based nonlinear virtual material method for dynamic analysis of bolted joint of machine tool[J]. Precision Engineering, 2016, 43: 230-240.

2. Zhao Yongsheng *, Xu J, Cai L, et al. Contact stiffness determination of high-speed double- locking toolholder-spindle joint based on a macro- micro scale hybrid method[J]. International Journal of Precision Engineering and Manufacturing, 2016, 17(6): 741-753.

3. Zhao Yongsheng *, Zhang B, An G, et al. A hybrid method for dynamic stiffness identification of bearing joint of high speed spindles[J]. Structural Engineering & Mechanics, 2016, 57(1):141-159.

4. Zhao Yongsheng *, Xu J, Cai L, et al. Stiffness and damping model of bolted joint based on the modified three-dimensional fractal topography[J]. ARCHIVE Proceedings of the Institution of Mechanical Engineers Part C Journal of Mechanical Engineering Science 1989-1996 (vols 203-210), 2016.

5. Zhao Yongsheng *, Song X, Cai L, et al. Surface fractal topography-based contact stiffness determination of spindle-toolholder joint[J]. ARCHIVE Proceedings of the Institution of Mechanical Engineers Part C Journal of Mechanical Engineering Science 1989-1996 (vols 203-210), 2016, 230(4).

6. Zhao Yongsheng *, Yang C, Cai L, et al. Stiffness and Damping Model of Bolted Joints with Uneven Surface Contact Pressure Distribution[J]. Strojniški vestnik-Journal of Mechanical Engineering, 2016, 62(11): 665-677.

7. Zhao Yongsheng *, Xu J, Cai L, et al. Contact characteristic analysis of spindle-toolholder joint at high speeds based on the fractal model[J]. ARCHIVE Proceedings of the Institution of Mechanical Engineers Part E Journal of Process Mechanical Engineering, 2017, 231(5), 1025-1036.

8. Zhao Yongsheng *, Li W, Liu Z. Design of a test bench to characterize mechanical phenomena involved in a bolted joint [J]. Advances in Engineering Research, 2017, 130, 515-524.

9. Zhao Yongsheng *, Fang C, Cai L and Liu Z. A three-dimensional fractal theory based on thermal contact conductance model of rough surfaces [J]. Proc. IMechE, PART E-JOURNAL OF PROCESS MECHANICAL ENGINEERING, 2017, DOI: 10.1177/0954408917727198.

10. Zhao Yongsheng *, Wu H, Liu Z., Cheng Q. and Yang C. A novel contact stiffness model of concrete-steel joint based on the fractal theory, Nonlinear Dynamics, 2018, 94(1), 151-164.

11. Wang Y, Zhao Yongsheng *, Cai L，Liu Z, Cheng Q. Effects of Thermal and Hydrodynamic Characteristics of Heavy-duty Rotary Table on the Hydrostatic Circular Pads. Journal of Vibroengineering. 2016, 18(7): 4193-4206.

12. Liu Z, Song X, Zhao Yongsheng *, et al. Stiffness Identification of Spindle-Toolholder Joint Based on Finite Difference Technique and Residual Compensation Theory [J]. Advances in Mechanical Engineering, 2013, 2013(2013): 621-624.

13. Zhao Yongsheng *, XuJingjing, CaiLigang. Estimation of contact characteristics of spindle-double-sided locking shank at high speed [J]. Journal of Vibration, Measurement & Diagnosis, 2017, 37(4): 673-680.

14. Zhao Yongsheng *, XuJingjing, CaiLigang. Contact stiffness analysis of spindle-toolholder system with high speed [J]. Journal of Huazhong University of Science and Technology (Natural Science Edition), 2016, 44(7): 91-95.

15. Zhao Yongsheng *, ShanZijun, LiuZhifeng. Stiffness Identification of Spindle-Knife Joint Based on Finite Difference Method [J]. High Technology Letters, 2013, 23(6): 611-616.

16. Zhao Yongsheng *, ShiXiao, DongXiangmin. Analysis of bearing capacity of static pressure turntable for heavy duty CNC machine tools [J]. High Technology Letters, 2013, 23(5): 540-545.

17. CaoLigang, SongXiaolei, Zhao Yongsheng *. Milling stability based on vibration velocity in time-domain [J]. Computer Integrated Manufacturing Systems, 2014, 20(1): 142-147. (EI: 20141017430522)

18. LiYali, Zhao Yongsheng *. Key Technology of High Speed Double Side Locking BTF Tool Holder System [J]. Metal Working(Metal Cutting), 2012(14): 33-35.

19. CaiLigang, MaShiming, Zhao Yongsheng *. Finite element modeling and modal analysis of heavy-duty mechanical spindles with multiple constraints [J]. Journal of Mechanical Engineering, 2012, 48(3): 165-173.

20. LiuZhifeng, MaChengyu, Zhao Yongsheng *. Analysis of High Speed Motorized Spindle Thermal Characteristics Based on Thermal Contact Resistance [J]. Journal of Beijing University of Technology, 2016, 42(1): 17-23.

21. Liling, CaiLigang, GuoTieneng, Zhao Yongsheng *. Normal equivalent characteristics of bolted joints under different preloads [J]. Journal of Beijing University of Technology, 2013, 39(5): 660-665.

22. Zhao Yongsheng. Experimental device for accurately measuring toolholder-joint characteristic parameters (Patent)，ZL 201120361478.9

23. Zhao Yongsheng. Waterproof multi-stage telescopic rod (Patent), ZL 201120460251.X

24. Zhao Yongsheng. Magnetic power high reverse torque DC motor (Patent), ZL 201010523737.3

25. Zhao Yongsheng. Simulation analysis method for flow field characteristics of static pressure oil pad (Patent), ZL201310126202.6

26. Zhao Yongsheng. Experimental device and method for effectively and conveniently measuring dynamic bending resistance of tool holder (Patent), ZL201310001323.8

27. Zhao Yongsheng. Dynamic and static performance simulation optimization method for heavy-duty machine tool static pressure rotary table (Patent), ZL201310125988.X

28. Zhao Yongsheng. An electric spindle system modeling method considering joint characteristics (Patent), ZL201510463315.4

29. Zhao Yongsheng. An improved calculation method for centrifugal force of circular hydrostatic oil pad (Patent), ZL201510463344.0

30. Zhao Yongsheng. Contact thermal resistance modeling method considering elastoplastic deformation of microprotrusions and thermal resistance of air medium (Patent), ZL201510420490.5

31. Zhao Yongsheng. A type of jaw for use on an aircraft (Utility model patents), ZL 201620679352.9

Personal statement

Yongsheng Zhao, Professor, PhD Advisor, Professor Zhao has long been engaged in machine tool dynamics, digital design and manufacturing, research on intelligent manufacturing units and key technologies of intelligent production lines. Cooperating with Beijing first machine tool Co., Ltd., et al in a long term. The significant achievements have been made in heavy-duty CNC machine tools, high-precision machining centers and intelligent manufacturing units. He received the Beijing Science and Technology Progress Award and the China Machinery Industry Science and Technology Award. He undertook more than 10 projects, such as major projects of Advanced CNC Machine Tools and Basic Manufacturing Equipment, the National Natural Science Foundation and Beijing Natural Science Foundation et al. Professor Zhao has published more than 30 academic papers and 10 national invention projects. Guiding undergraduates to participate in the "Digital Design Competition of Mechanical Products" and won the first prize more than 10 times.