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Silverware Separation, Sorting, and Inspection — Technology and prototype development is underway to process cleaned,
mixed silverware pieces washed in batch mode by a high-volume commercial automatic dish washers. The goal is for individual pieces to be automatically separated from
the batch after washing and then sorted and inspected by machine vision and automated sorters. Special challenges are to design and construct a high speed, efficient
mechanical separator; design, program, and implement machine vision sorting and inspection software; integrate the separation, sorting, and inspection into a single
working prototype; and add modular enhancements, such as napkin wrapping.
Automatic Information Extraction, Recognition, and Identification in Images of Objects — Most techniques available
today for automatic information extraction, recognition and identification in images of complex objects fail significantly in approaching the capabilities of the
human vision system. The human vision system is powerful for a number of reasons, but it does appear to involve several layers of knowledge driven inferences. We
seek techniques in developing machine vision systems that implement knowledge driven inferences to analyze images and extract information from them. This includes
developing a framework to represent objects and knowledge/rules regarding objects. This framework is meant to facilitate integration of various methods, serve as a
means of communication between higher and lower-level algorithms to support feedback, and help develop machine vision systems that can be ported to a variety of
fields with relative ease.
Enlarged Region Stabilizing Control of Nonlinear Dynamic Systems — Linear controllers are often used to stabilize
complex nonlinear systems in a region where a linear approximation of the nonlinear system is valid. Typically, the extent of this region is not predictable, and
the stabilized attractive region is often unsatisfactorily small. For uncertain nonlinear systems, we seek methods to design both linear and nonlinear robust
controllers to substantially enlarge the attractive region over those obtained from linearization. Systematic procedures are sought for generating suitable
controllers given uncertainty specifications for the system. Lyapunov-based design strategies are employed in developing new methodologies, while incorporating
so-called "intelligent" techniques, including neural networks, genetic programming, and genetic algorithms. Benchmark nonlinear systems are used to compare
different controller design strategies.
Professional Experience
Professor and Head, School of Mechanical and Aerospace Engineering, Oklahoma State University, June 1987–present
Independent Consultant, Buffalo, New York, December 1986–May 1987
Vice-President, Research and Development, Derrick Manufacturing Corp., Buffalo, New York, July 1985–November 1986
Research Supervisor I, Amoco Production Company, Tulsa, Oklahoma, Evanston, Wyoming, April 1983–June 1985
Research Supervisor II, Amoco Production Company, Tulsa, Oklahoma, June 1981–March 1983
Research Associate, Amoco Production Company, Tulsa, Oklahoma, September 1978–May 1981
Consultant, Amoco Production Company, Tulsa, Oklahoma, June 1977–August 1978
Associate Professor (tenured)/Assistant Professor, The University of Texas, Austin, August 1968–May 1977
Research Coordinator, U.S. Army Ballistic Research Labs, Aberdeen Proving Ground, Maryland, August 1966–August 1968
Research Engineer, Arnold Air Force Station, Tennessee/Aro, Inc., June 1964–September 1964
Research Engineer, Hamilton-Standard, Inc., Windsor Locks, Connecticut, June 1963–September 1963
Professional Affiliations
American Society of Mechanical Engineers (ASME), 1969-Present
Fellow - 1992-Present
Vice President, Systems Design Group, 1992-2002
Knowledge and Community Groups
1 of 4 Members, Blue Ribbon Selection Committee for 5 ASME Vice Presidents, 2005
Council on Engineering
Chair, Nominating Committee, 1999-2002
Member of the Council, 1999-2002
Board on Engineering Education
National M.E. Department Heads Committee: Chairman 1997-1998, Vice Chair 1996-1997, Secretary 1995-1996
Member-Planning and Organizing Committee, ASME M.E. Dept. Heads Conference, 1998-2000, 1994-1997, 1993-1993
Region X M.E. Department Heads: Chairman, 1993-1995, V. Chair, 1992-1993, and Secretary, 1991-1992
Board on Research and Technology Development:
Member-Board Committee on Technology Development, 1995-1999
Member-Executive Committee, 1993-1995
Systems and Design Technical Group
ASME Director, American Automatic Control Council, 1994-1996
Dynamic Systems and Control Division:
Honors Committee: Chair, 1998-1999; Vice Chair, 1996-1998; Member, 1993-1999
Division Executive Committee: Chair, 1990-1991, Member, 1988-1993, Chairman, Long-Range Planning, 1998-1990
Program Chairman-1974 ASME Winter Annual Meeting
Associate Editor, ASME Transactions, Journal of Dynamic Systems, Measurement, and Control, 1974-1977
American Automatic Control Council (AACC), 1994-1996
Member-Control Engineering Practice Award Committee, 1998-1999
Director-ASME, 1994-1996
American Institute of Aeronautics and Astronautics (AIAA), 1989-present
Society of Petroleum Engineers (SPE), 1978-present
Drilling Review Chairman, 1988-1990 and Associate Editor, 1987-1988, SPE Journal of Petroleum Technology and SPE Drilling Engineering
Member, Technical Program Committee, 61st Technical Conference, 1986; Joint SPE/IADC Drilling Conference, 1986-1987
American Society of Engineering Education (ASEE), 1971-1978; 1987-present
Member, Executive Committee, AE Division, 2003-Present
Chair, Awards Committee, M.E. Division, 2002-2003
Member, Executive Committee, M.E. Division, 1993-1995
Member, Awards Committee, ME Division, 1988-1991, 1994-1997, 2001-2003
Director, Educational Research and Methods Division, 1974-1975
IEEE Control Systems Society and Robotics and Automation Society, 1993-present
Industrial Member, Advisory Committee on Interdisciplinary Fluid Mechanics Research, The University of Texas, Austin, 1984-1985
Registrations
Registered Professional Engineer, Texas, #3142
Registered Professional Engineer, Oklahoma, #11356
Select Publications
"New Methods for Dishware Identification and Inspection" (with T. Duong), Proceedings of the 6th International Conference on Informatics in Control, Automation, and Robotics, July 2-5, 2009, Milan, Italy.
"Flaw Detection Using Image Registration and Fusion Techniques" (with Y. Zhou), Proceedings of the ASME 2008 International Design Engineering Technical Conference and Computers in Engineering Conference, Brooklyn, NY, Aug 3-6, 2008.
"Using Robust Stability Analysis Theorems For Robust Controller Design" (with P. Ngamsom), ASME Journal of Dynamic Systems, Measurement, and Control, Vol. 125, December 2003.
"Dynamic Differential Pressure Effects on Drilling of Permeable Formations" (with G. Bratcher), ASME Journal of Energy Resources Technology, Vol. 120, June 1998.
"Machine Vision Fuzzy Object Recognition and Inspection Using a New Fuzzy Neural Network" (with B. Chen), 1996 IEEE International Symposium on Intelligent Control, Dearborn, MI, Sept 15-18, 1996.
"Machine Vision Recognition of Fuzzy Objects Using a New Fuzzy Neural Network" (with B. Chen), 1996 IEEE International Conference on Robotics and Automation, Minneapolis, MN, April 22-28, 1996.
"A New Approach For Determining In-Situ Rock Strength While Drilling" (with G. Bratcher), ASME Journal of Energy Resources Technology, Vol. 118, December 1996.
"Fuzzy Logic Controller for Automatic Vision Parameter Adjustment in a Robotic Dish Handling System" (with B. Chen), 10th IEEE international Symposium on Intelligent Control", Monterey, CA, Aug. 27-29, 1995.
"A Modified Artmap Network, With Applications to Scheduling of a Robot-Vision Tracking System" (with K. Feng), 1992 ASME Winter Annual Meeting, Anaheim, CA, Nov. 8-13, 1992. Also published in ASME Trans., J. of Dynamic Systems, Measurement, and Control, Vol. 118, No. 1, March 1996.
"Fluid Conductance and Separation Characteristics of Oil field Screen Cloths," Fluid/Particle Separation Journal, Vol. 4, No. 2, June, 1991.
"Solids Conveyance Dynamics and Shaker Performance" (with. M. Lal), SPE # 14389, 60th Annual Technical Conference and Exposition of the SPE, Las Vegas, NV, Sept. 22-25, 1985. Also published in SPE Drilling Engineering, Dec. 1988.
"Solids Conveyance Dynamics and Shaker Performance" (with M. Lal), SPE Drilling Engineering, pp. 385-394, December 1988.
"Flow Limits in Vibrating Screen Separation of Drilling Fluids," Filtration and Separation, pp. 109-114, March/April 1982.
"Pressure Dynamics in Wells During Gas Kicks, Part I--Fluid Line Dynamics" (with S. R. Stanbery), Journal of Petroleum Technology, pp. 1357-1366, August 1981.
"Pressure Dynamics in Wells During Gas Kicks, Part II--Component Models and Results" (with S. R. Stanbery), Journal of Petroleum Technology, pp. 1367-1378, August 1981.
"A Study of Vibratory Screening of Drilling Fluids," Journal of Petroleum Technology, pp. 1889-1202, November 1980.
"A Survey of Longitudinal Acceleration Comfort Studies in Ground Transportation Vehicles," ASME Transactions, Journal of Dynamic Systems, Measurement, and Control, Vol. 99, No. 2, June 1977.
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