Yongsheng Gao (PhD, Birmingham, 1992)
Associate Professor

Department of Mechanical Engineering
Hong Kong University of Science and Technology
Clear Water Bay, Kowloon
Hong Kong

Tel: (852) 2358 8649            Fax: (852) 2358 1543            E-mail: meygao@ust.hk            http://meygao.people.ust.hk//index.htm

Research Interests

Micro fabrication; abrasive technology; nanomachining; EDM; ultrasonic machining; in-process optical measurement; precision engineering.

UG/PG Teaching 

MECH3630      Electrical Technology
MECH4720      Introduction to Precision Engineering
MECH5540      Precision Engineering
MECH5550      Precision Machining
MESF5560       Precision Manufacturing Technologies
MESF5570       Precision Machining

Research Contracts

RGC and British Council JRS, An improved measurement technique for medical respiratory diagnosis.
RGC, Surface profile measurement assisted by transparent fluid during grinding.
RGC, Multi-actuator based composite control during surface grinding.
NSFC, Active shearing interferometry for accurate measurement of aspheric surfaces with composite evaluation (PI).

Representative Publications

http://meygao.people.ust.hk//DrGaoProfile/index.html

http://meygao.people.ust.hk//DrGaoProfile/index2003.html

Gao, Y., and Jones, B., 1999, "Fast time constant estimation for plunge grinding process control", International Journal of Machine Tools and Manufacture, ISSN 0890-6955, Vol. 39, No. 1, pp. 143-156.
Gao, Y., 1998, "Experimental validation of a dynamic workpiece steady control method for traverse grinding", ASME Trans, J Manuf Science and Eng, ISSN 1087-1357, Vol. 120, No. 2, pp. 236-245.
Gao, Y., and Yu, C. W. P., 1998, "Capacitive sensor based workpiece table for active surface grinding control", Proceedings of the 6^th ISMQC IMEKO Symposium on Metrology for Quality Control in Prod, Vienna Univ of Tech, OGMA, and IMEKO, Vienna, Austria, ISBN 3-901888-02-0, pp. 169-174.
Gao, Y., 1996, "Composite Control for the Surface Grinding Process", Proceedings of the International Manufacturing Engineering Conference, Manufacturing Engineering: 2000 and Beyond, Storrs, Connecticut, USA, Freund Publishing, ISBN 965-294-121-2, pp. 157-159.
Gao, Y., 1995, "In-process System Parameter Estimation for Plunge Grinding Process Control", Proc. Int. Cont. on Intelligent Manufacturing, ICIM’95, Wuhan, China, an SPIE Publication, pp. 746-752.
Gao, Y., and Jones B., 1994, "Position Motion Control of Workpiece Steadies for Compensation in the Traverse Grinding Process", Proceedings of the Third IEEE Conference on Control Applications, Glasgow, UK, IEEE, 94CH3420-7, ISBN 0-7803-1872-2, pp. 1493-1498.
Gao, Y., and Jones, B., 1993, "Control of the traverse grinding process using dynamically active workpiece steadies", International Journal of Machine Tools and Manufacture, ISSN 0890-6955, Vol. 33, No. 2, pp. 231-244.
Gao, Y., and Jones, B., 1992, "Wheel position motion control for the plunge grinding process", Proceedings of the 1992 Japan-USA Symposium on Flexible Automation, A Pacific Rim Conference, San Francisco, California, USA, ASME/ISCIE, ISBN 0-7918-0765-8, Vol. 2, pp. 1507-1512.
Gao, Y., and Jones, B., 1992, "An optimum size and roundness adaptive control method for the plunge grinding process", Proceedings of the Institution of Mechanical Engineers, Part I, Journal of Systems and Control Engineering, ISSN 0959-6518, Vol. 206, No. 3, pp. 107-116.
Gao, Y., and Jones, B., 1992, "A discrete control system model for the traverse grinding process", Proceedings of the Institution of Mechanical Engineers, Part I, Journal of Systems and Control Engineering, ISSN 0959-6518, Vol. 206, No. 1, pp. 19-27.
Gao, Y., and Jones, B., 1992, "An integrated sensor system for size and roundness control in plunge grinding", International Journal of Machine Tools and Manufacture, ISSN 0890-6955, Vol. 32, No. 3, pp. 281-290.
Gao, Y., Jones, B., and Webster, J., 1992, "An integrated size and roundness adaptive control system for the plunge grinding process", International Journal of Machine Tools and Manufacture, ISSN 0890-6955, Vol. 32, No. 3, pp. 291-303. 
Gao, Y., and Foster, K., 1991, "A study of in-process computer aided evaluation of size and form error for cylindrical workpieces", International Journal of Machine Tools and Manufacture, ISSN 0890-6955, Vol. 31, No. 3, pp. 405-414.
Gao, Y., and Foster, K., 1991, "Computer simulation of the deformation of slender, multidiameter rollers during grinding", International Journal of Machine Tools and Manufacture, ISSN 0890-6955, Vol. 31, No. 1, pp. 83-93.
Gao, Y., Li, Z., Kaliszer, H., Webster, J., and Xie, T. B., 1990, "Automotive valve autoclassification machine controlled by microcomputer", International Journal of Machine Tools and Manufacture, ISSN 0890-6955, Vol. 30, No. 2, pp. 237-242.