YuMing Zhang
Professor and James R. Boyd Professor
Department of Electrical and Computer Engineering
University of Kentucky

-Credentials

Dr. Zhang is a Professor in the Department of Electrical and Computer Engineering. He holds the James R. Boyd Professorship in Electrical Engineering and directs the Welding Research Laboratory and the Applied Sensing and Control Laboratory. He received his Ph.D. degree in Mechanical Engineering/Welding Major (Advisors: Professor Lin Wu and Professor DingHua Chen), and M.S. (Advisor: Professor GuangYu Wu) and B.S. (Advisor: Professor GuangYu Wu) degrees in Electrical Engineering/Control Major from the Harbin Institute of Technology, Harbin, China. Dr. Zhang is a Fellow of the AWS, a senior member of the IEEE and the SME, and a member of the ASME. He received The Donald Julius Groen Prize from The Institution of Mechanical Engineers, United Kingdom; The A. F. Davis Silver Medal award (twice) and the Adams Memorial Membership Award from the American Welding Society (AWS); and the 15th IFAC Triennial World Congress Poster Paper Prize and Application Paper Honorable Mention from the International Federation of Automatic Control (IFAC).

-EE Courses

EE 307 Circuit Analysis with Applications Spring 2000
EE 422G Signals & Systems II Summer 2000, Fall 2000, Spring 2001, Summer 2001, Fall 2001, Spring 2002, Fall 2002, Spring 2003, Summer 2003, Fall 2003, Spring 2004, Fall 2004
EE 499 EE Design: Control System Design Fall 2001
EE 611 Deterministic Systems Fall 1999, Fall 2002, Fall 2003, Fall 2004, Fall 2005, Fall 2006, Fall 2007, Fall 2010
EE613 Optimal Control Fall 2008
EE 614 Adaptive Control Fall 2000 (as EE 699), Spring 2002 (as EE 699), Fall 2007, Fall 2010
EE 599 Applied Control Spring 2001
EE/MFS/ME/MSE 699 Joining Processes Spring 2003, Spring 2004, Fall 2007, Spring 2010
EE 699 Nonlinear Control Systems Fall 2006
EE 699 Adaptive Neurofuzzy Control Fall 1998

-Research

Dr. Zhang's research is devoted to system identification, adaptive and predictive control, neurofuzzy modeling and control, machine vision systems, and various sensors with applications to welding/manufacturing automation, especially to the development of innovative electrical arc welding processes with improved productivity/controllability. In addition to his numerous publications, he has been awarded five U.S. patents for his inventions on sensors, control methods, and processes for electrical arc welding. Dr. Zhang's research has been supported by government agencies and industrial sponsors.

Current NSF Research:
Y.M Zhang, R.G. Yang. “Machine-human cooperative control of welding process,” October 2009-Spet. 2012.
Y.M. Zhang. “Control of metal transfer at given arc variables,” October 2008-Spet. 2011.
Y. M. Zhang. “Measurement and control of dynamic weld pool surface in gas metal arc welding,” October 2007-Spet. 2010.

Prior NSF Research:
Y. M. Zhang. “Sensors: Measurement of dynamic weld pool surface,” October 2005-September 2008.
Y. M. Zhang. “Double-electrode gas metal arc welding,” April 2004-March 2007.
Y. M. Zhang. “Control of gas tungsten arc weld pool surface,” October 2001-Sept. 2005.
Y. M. Zhang. “Double-sided arc welding,” October 1998 – Sept. 2002.
A. T. Male and Y. M. Zhang, “Weld penetration control based on vision feedback of weld pool geometrical appearance,” April 1997 - September 1999.  
   

Applied research aims at development of cutting-edge process, sensing, and control technologies to provide next generation equipment and methods to improve/enhance weld quality/productivity as well as to reduce energy use and fume/spatter production during welding.  

- List of PhD Degrees

Ming Jiang. Double-sided Arc Welding Process. Department of Mechanical Engineering, University of Kentucky, August 2003. (Co-Advisors: Alan T. Male and YuMing Zhang)
Joseph Michael Istre. Robust Generic Model Control for Parameter Interval Systems Department of Electrical and Computer Engineering, University of Kentucky, June 2004.
Yuchi Lu. Control of Dynamic Keyhole Welding Process. Department of Electrical and Computer Engineering, University of Kentucky, September 2004.
Wei Lu. Robust Sensing and control of Weld Pool Surface in Gas Tungsten Arc Welding and Its Modifications. Department of Electrical and Computer Engineering, University of Kentucky, October 2004.
Breton Elsworth Losch. Modeling and Control of Double Sided Arc Welding Process. Department of Electrical and Computer Engineering, University of Kentucky, June 2005.
Gohar Mahmood Saeed. Three Dimensional Measurement of Specular Surfaces and Its Application in Welding Process.  Department of Electrical and Computer Engineering, University of Kentucky, Nov. 9, 2005.
Ge Wang. Numerical Analysis of Metal Transfer in Gas Metal Arc Welding. Department of Mechanical Engineering, University of Kentucky, June 4, 2007. (Co-Advisors: George Huang and YuMing Zhang)
Zhenzhou Wang. Automated High-Speed Monitoring of Metal Transfer for Real-Time Control. Department of Electrical and Computer Engineering, University of Kentucky, June 12, 2007.
Hongsheng Song. Machine Vision Recognition of Three-Dimensional Specular Surface for Gas Tungsten Arc Weld Pool. Department of Electrical and Computer Engineering, University of Kentucky, July 24, 2007.
Kehai Li. Double-Electrode Gas Metal Arc Welding: Process, Modeling and Control. Department of Electrical and Computer Engineering, University of Kentucky, Sept. 21, 2007.
Xiaodong Na. Nonlinear Identification and Control: A Practical Solution and Its Application. Department of Electrical and Computer Engineering, University of Kentucky, Dec. 12, 2007. (co-advisors: Bruce Walcott and YuMing Zhang)
Xiaopei Liu. Dual Bypass Gas Metal Arc Welding Process and Control. Department of Electrical and Computer Engineering, University of Kentucky October 17, 2008.
Xiangrong Li. Model Predictive Control over Manual Pipe Welding Process on Stainless Steel. Department of Electrical and Computer Engineering, University of Kentucky April 2010. (co-advisors: YuMing Zhang and Larry Holloway)
Zhijiang Wang. Adaptive Interval Model Control for Depth of Weld Penetration in Pulsed Gas Metal Arc Welding. Department of Welding Engineering, Harbin Institute of Technology, June 2010. (co-advisors: YuMing Zhang, Lin Wu)
Kun Qian. Real-time Model Predictive Control of Quasi-keyhole Pipe Welding. Department of Electrical and Computer Engineering, University of Kentucky, July 2010.

- Current Students Deliverable Schedule