Education

• Ph.D., February 21, 1978, University of Titograd, Department of Mechanical Engineering, Titograd, Yugoslavia.
• M.S., February 21, 1972, University of Belgrade, Department of Mechanical Engineering, Belgrade, Yugoslavia.
• B.S., October 13, 1969, University of Belgrade, Department of Mechanical Engineering, Belgrade, Yugoslavia.

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Academic Employment

• 8/97 – present, Southern Methodist University, Dallas, TX, Herman Brown Chair Professor
• 6/95 – 7/97, University of Kentucky, Lexington,KY, Full Professor
• 1/91 - 5/95, University of Kentucky, Lexington, KY, Associate Professor
• 1/87 - 12/90, Syracuse University, Syracuse, NY, Associate Professor
• 5/89 University of Titograd, Titograd, YU, Full Professor
• 6/86 - 12/86, University of Titograd, Titograd, YU, Associate Professor
• 1/86 - 5/86, University of Wisconsin, Madison, WI, Visiting Associate Professor
• 9/83 - 12/85, University of Titograd, Titograd, YU, Associate Professor
• 9/78 - 8/83, University of Titograd, Titograd, YU, Assistant Professor
• 5/75 - 8/78, University of Titograd, Titograd, YU, Lecturer
• 11/70 - 4/75, University of Titograd, Titograd, YU, Assistant Lecturer
• 10/69 - 10/70, University of Belgrade, Belgrade, YU, Research Assistant

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Positions Held

• Aug. 1997 – present Director of the Laboratory for Manufacturing Processes and Systems
• Nov. 1995 - present President of "RADO Automation, Inc."
• Jan. 1991 – July 1997 Director of the Welding Research and Development Laboratory, Laboratory for Advanced Manufacturing Processes, and Laboratory for Applied Machine Vision.
• Oct. 1982 - Sept.1984 Assistant Chairman of the Mechanical Engineering Department, University of Titograd, YU.
• Oct.1980 - Oct.1982 Director of the Mechanical Engineering Laboratory, University of Titograd, YU.
• Sept.1979 - Oct.1980 Interim Chairman of the Department of Mechanical Technology, University of Titograd, YU.

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Professional Activities

• American Society of Mechanical Engineers (ASME), member
• American Welding Society, member
• Water Jet Technology Association, member
• NAMRI (North American Manufacturing Research Institution of SME), senior member
• Society of Manufacturing Engineers, Fellow
• Machining Technology Association of SME, charter member.

• Organized Session on Welding and Rapid Prototyping for the 75th Anniversary Energy Sources Technology Conference, ASME International Petroleum Division, February 1-3, 1999, Houston, TX
• Organized a Short Course on Rapid Prototyping, Richardson, TX, September 18, 1998
• Session Chairman, 24th NAMRI Conference, May 21-23, 1996, Ann Arbor, MI
• Organizing Committee Member, the 26th International Conference on Production Engineering, Budva, Yugoslavia, Oct. 2-4, 1996
• Organizing Committee Member, The Second World Congress on Intelligent Manufacturing Processes and Systems, Budampest, Hungary, Feb. 1997.
• Organizing Committee Member, The First World Congress on Intelligent Manufacturing Processes and Systems, Mayaguez, Puerto Rico, Feb. 13-17,1995.
• Symposium Chairman, Symposium on Nontraditional Manufacturing Processes and Fabrication Methods, Symposium organized in the scope of the World Congress on Intelligent Manufacturing, Puerto Rico, Mayaguez, February 13-17, 1995.
• Symposium Chairman, Symposium on Nontraditional Manufacturing Processes of the 1990's, Symposium organized in the scope of the 1994 International Mechanical Engineering Congress and Exposition, Nov. 6-11, Chicago, IL.
• Session Chairman, 22nd NAMRI Conference, Evanston, IL, May 25-27, 1994.
• Symposium Chairman, International Symposium on NC Techniques and Technologies, April 21-23, 1983, University of Titograd, Titograd, YU.
• Conference Chairman, Conference on CAD/CAM Systems, April 25-26, 1984, University of Titograd, Titograd, YU.

• January 1999- Present, Editorial/Advisory Board member of the International Journal of Advanced Manufacturing Systems
• March 15-22,1997 Membr of the USA Delagation USA-South Africa Workshop on Manufacturing, Johannesburg, South Africa.
• 1996 - present Editorial Board member of the Journal of Production Engineering and Computers
• 1995-1998 Associate Technical Editor (Welding and Sensors), ASME Tranasactions, Journal of Manufacturing Science and Engineering
• 1996 - present NAMRI/SME Scientific Committee member
• Reviewer for the IEE Proceedings - D, Control Theory and Applications.
• Reviewer for the National Science Foundation (NSF).
• Reviewer for the National Center for Manufacturing Sciences (NCMS).
• Reviewer for the IEEE Transaction on Robotics and Automation.
• Reviewer for the SME's Journal of Manufacturing Systems.
• Reviewer for the ASME Winter Annual Meeting's Publications.
• Reviewer for the Transactions of the ASME, Journal of Engineering for Industry.
• Reviewer for the Transactions of the ASME, Journal of Engineering Materials and Technology
• Reviewer for the Transactions of NAMRI (North American Manufacturing Research Institution of SME).
• Reviewer for the IEEE Control Systems Magazine
• Reviewer for the International Journal of Water Jet Technology
• Reviewer for the Water Jet Technology Association Biannual Meeting's Publications
• Reviewer for the International Journal of Machine Tools and Manufacture
• Reviewer for the ASME National Heat Transfer Conference
• Reviewer for the Mechatronics.

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• Georgia Institute of Technology

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Courses Taught

Metal Cutting, Machine Tools, Numerical Control, Materials and Processes in Manufacturing, Selected Topics in Manufacturing Processes, Dynamics, Statics, Manufacturing Processes, Computer Control of Machines and Processes, Design for Manufacturing, Computer Integrated Manufacturing, Nontraditional Manufacturing Processes, Manufacturing Systems, Design of Control Systems, Selected Topics in Manufacturing.

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Research Interests

Physics of metal cutting (turning, drilling, milling, broaching) and advanced machining processes(abrasive waterjet cutting, laser machining and welding, electrical arc spraying); machinability; tribology; stochastic modelling of manufacturing processes; on-line monitoring and controlling of manufacturing processes; machine vision in quality control; adaptive control of welding processes.

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Awards and Stipends

• Oct. 1969 Award of the Department of Mechanical Engineering, University of Belgrade, YU for the Best B. S. Graduate in 1968/69.
• Nov. 1969 Award of the University of Belgrade for the Best B.S. Graduate in 1968/69,
• 1976 A two month stipend from the Institution for Research of Montenegro for research at the Central Metallurgical Institute, Bucharest, Rumania.
• 1976-1980 A 24 month stipend from the "Alexander von Humboldt" Foundation, Bonn, W. Germany, for research at the Technical University, Clausthal-Zellerfeld, W. Germany.
• Dec. 1984 Award "Liberation of Titograd" for Achievements in Research in 1983-1984.
• 1983-1984 A six month stipend from the "Carl Duisberg Foundation", Cologne, W. Germany research at the University of Karlsruhe, Karlsruhe, Germany.
• 1984-1985 A 12 month stipend from the "Fulbright Foundation", Washington, D.C. for research at the University of Wisconsin-Madison and at Northwestern University, Evanston, IL.
• 1986 A two month stipend from the University Karlsruhe, Karlsruhe, Germany.
• June-July/1987 Grant for research activities from the Vice President for Research and Graduate Studies of Syracuse University.
• Aug. 1988 Grant for research activities from the General Electric Foundation Grant for the development of the Manufacturing Program at Syracuse University.
• 1988,1989,1990 and 1994 "Faculty Development Travel Fellowship", sponsored by the TRW Foundation.
• 1994 appointed as Honorary Consultant Professor of the Harbin Institute of Technology, Harbin, China
• 1995 - 1998 Member of the Academic Committee of the National Key Laboratory "Advanced Welding Production Technology", Harbin Institute of Technology, Harbin, China.
• 1995 Listed in Who's Who in Science and Engineering.
• 1996 Kentucky Colonel, awarder by the Governor of the Commonwealth of Kentucky.
• 1996 Donald Julius Groen Prize for the paper "Machine Vision Recognition of Weld Pool in Gas Tungsten Arc Welding", published in Vol. B of the Institution of Mechanical Engineers Proceedings in 1995.
• 1997 American Welding Society Adams Memorial Membership Award.
• 1997 Fellow, Society of Manufacturng Engineers.
• 1998 Outstanding ME Faculty Award 1997-1998, Southern Methodist University.
• 1999 Best Research Paper Award for the paper: "Modeling, Sensing, and Control of Droplet Based Solid Freeform Fabrication Process," presented at the 1999 ASME's Energy Souces Technology Conference and Exposition, February 1-3, 1999, Houston, TX.
• 1999 Outstanding ME Faculty Award 1998-1999, Southern Methodist University.

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Recent Research Grants and Contracts

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External Funding

1. Kovacevic, R., "Thermo-Mechanical-Electrical Modeling of the Splice by 3D FEM," EPRI Energy Delivery & Utilization, Haslet, TX, $6,000., July-Oct. 1999.
2. Kovacevic, R., "Supplemental Grant to the THECB ATP Project No. 003613-005," Texas Higher Education Coordinating Board,$8100, June-August 1999.
3. Kovacevic, R., "Stability Control of Weld formation in Variable Polarity Plasma Arc Welding," NSF, Washington, D.C., DMI 9900011, $214,000, 1999-2002.
4. Kovacevic, R., "Combined Research-Curriculum Development: Nontraditional Manufacturing," NSF, Washington, D.C., through Columbia University (total value of project: $500,000), $125,000, EEC-9813028, 1998-2001.
5. Kovacevic, R., "3D Welding as New Rapid Prototyping Technique," NSF, GOALI Program, Washington, D.C., DMI 9809198, $55,000, 1998-2000.
6. Kovacevic, R. and Johnson, D., "Graduate Assistance Fellowship Program in Rapid Prototyping and Manufacturing, " Department of Education, Washington, D.C. and SMU, 1998-2001, $333,000 ($302,664 from DE and $25,222 from SMU).
7. Kovacevic, R., "3-D Welding as New Rapid Prototyping Technique," Raytheon E-Systems Waco, TX and Raytheon TI-Systems, Dallas, TX, 1998, $65,000.
8. Kovacevic, R., "Controlled Heat and Metal Transfer in Gas Metal Arc Welding - Base for a New Rapid Protoyping Technique," NSF, Washington, D.C., 1998, DMI-9732848, April 1998-March 2001, $210,000.
9. Kovacevic, R., "Controlled Heat and Metal Transfer in Gas Metal Arc Welding – Base for New Rapid prototyping Technique," Texas Higher Education Coordinating Board, ATP, January 1998 – December 2000, $219,484.
10. Kovacevic, R., "Advancement in the Area of Robotics Welding," Gordon's Specialties, Inc., Hutchins, TX, February 1998, $2,500.
11. Momber, A. and Kovacevic, R., "Abrasive Waterjet Technology," Alexander von Humboldt Foundation, Bonn, Germany and SMU, Dallas, TX, Aug. – November, 1997, $9,000.
12. Kovacevic, R., "Major Research Equipment Grant", NSF, Washington, D.C., 1997, $197,000.

1. Kovacevic, R. and Zhang, Y.M., "Active Control of Metal Transfer Process Based on Direct Feedback of Droplet Geometry," NSF, Washington, D.C., June 1997 - May 2000, DMI-9700102, $210,000.
2. Kovacevic, R. and Zhang, Y.M., "Weld Penetration Control Based on Vision Feedback of Weld Pool Geometrical Appearance," NSF, Washington, D.C., April 1997 - March 1999, DMI-9634735, $180,000.
3. Kovacevic, R., "Process Monitoring and Control of Laser Drilled Cooling Holes in Turbine Blades," Pratt&Whitney, June - Dec., 1996, $30,000.
4. Kovacevic, R., "Improving Gas Turbine Energy Efficiency by Laser Drilling," NSF’s GOLI Program, DMI-9632042, July 1996 - June 1997, $25,000.
5. Kovacevic, R., "Modeling of Three-Dimensional Machining by Abrasive Waterjet," NSF, Washington, D.C., August 1995 - July 1998, $232,350, DMI - 9523010.
6. Kovacevic, R., "Prototype Development for Automated Post-Weld Quality Inspection System," Motor Wheel Corp., Okemos, Ml, February 1, 1995 - October 30, 1996, $95,000.
7. Kovacevic, R., "Feasibility Study of Using High-Speed Image Processing in Post-Weld Quality Inspection," Motor Wheel Corp., Okemos, Ml, January - February, 1995, $5,000.
8. Kovacevic, R., "Real-Time Measurement of 3D Shape of Weld Pool Surface," NSF, Washington, D.C. and Center for Robotics and Manufacturing Systems, August 1, 1994 - July 31, 1995, $110,144, DMI - 9414530, (NSF - $83,144 and CRMS - $27,000).
9. Kovacevic, R., "Adaptive Weld Penetration Control of Gas Turbine Engine Materials Joining Based on Vision Sensing," NSF, Washington, D.C., July 1994 - June 1995, $25,000, DMI - 9412637.
10. Kovacevic, R., "Development and Implementation of an Adaptive Controller for GTAW Based on Machine Vision System," Thompson Steel Pipe Co., Princeton, KY, June 1 - November 30, 1994, $24,500
11. Kovacevic, R., "Development of an Adaptive Controller for Submerged Arc Welding," Thompson Steel Pipe Co., Princeton, KY, March - December 1994, $72,545.
12. Kovacevic, R., "Rapid 3D Vision Recognition of Visible Wheel Weld Defects," Ford Motor Co., Monroe Plant, Monroe, MI, March - June 1994, $35,000.
13. Kovacevic, R., "Development and Implementation of the Wheel Weld Quality Inspection System," Central Manufacturing Company, Paris, KY, February 1993 – December 1994, $122,000.
14. Kovacevic, R., "Sensing for Adaptive Control of Weld Penetration in Gas Tungsten Arc Welding," The SME Manufacturing Engineering Education Foundation, 1993 –1994, $10,000.
15. Momber, A. and Kovacevic, R., "Understanding the Mechanisms Involved in Removal of Brittle Materials by Abrasive Waterjet," Alexander von Humboldt-Foundation, Bonn, Germany and Center for Robotics and Manufacturing Systems, 1993 -1995, $81,500, (A. von Humboldt - $48,500 and CRMS - $33,000).
16. Kovacevic, R. and Beardsley, H.E., "Three-Dimensional Measurement of Weld Pool Geometry for Adaptive Control of Weld Penetration in GTAW," American Welding Society, 1993 -1995, $40,000
17. Kovacevic, R., "Development of Adaptive Control Techniques for Controlling Weld Penetration in Gas Tungsten Arc Welding," Control Vision Inc., Idaho Falls, ID, 1992, $8,000.

1. Kovacevic, R., "Development of a Course in Nontraditional Manufacturing Processes," SME Manufacturing Engineering Education Foundation and Syracuse University, $11,000, June - December, 1990.
2. "Instrumentation for the Materials Processing Laboratory," Syracuse University, January - December, 1990, $30,000.
3. Kovacevic, R., "Sensing Nozzle Wear in Abrasive Waterjet Cutting System," SME Manufacturing Engineering Education Foundation and Syracuse University, June 1989 - May 1990, $20,000.
4. Kovacevic, R., "On-Line Monitoring Abrasive Waterjet Cutting Process," Syracuse University, July 1988 - June 1989, $11,400.
5. "Instrumentation for the materials Processing Laboratory," Syracuse University, 1988, $31,500.
6. "Grant for Development of the Materials Processing Laboratory," Syracuse University, 1987, $50,000.

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In-Kind Contributions

1. Abrasive Waterjet machine, Donated by Flow International, Kent, WA, January 1999, $60,000.
2. 4-axes CNC Milling Machine, Donated by Leadwell CNC Machines Mfg., Corp., Taiwan ROC, November 1998, $40,000.
3. GMAW equipment, donated by Miller Electric Manufacturing Co., Appelton, WI, December 1997, $10,000.

1. "CO2 laser of 2KW and YAG laser of 400W", donated by Pratt&Whitney, 1996, about $80,000.
2. "GMAW equipment," donated by Miller Electric Manufacturing Co., Appleton, Wl, January 1994, $12,000.
3. "Milling and Drilling of Difficult-to-Machine Materials Assisted with High-Pressure Waterjet as the Coolant/Lubricant," Kennametal, Inc., Latrobe, PA, 1992, (millingmachine and tools in a value of about $20,000).
4. "High-Pressure Waterjet as the Coolant/Lubricant in the Milling and Drilling Operations," Flow International Corp., Kent, WA, 1992, (high-pressure components in a value of about $5,000).
5. "High-Pressure Waterjet Cutting System," received from Flow International, Corp., Kent, WA, 1994, $1,00,000.

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Internal Funding

1. Kovacevic, R., Set-up Fund, Southern Methodist University, Aug. 1997, $500,000.

1. Kovacevic, R., "Research Equipment Grant," Center for Robotics and Manufacturing Systems, University of Kentucky, March 1996, $50,000.
2. Kovacevic, R. "Research Equipment Grant," Vice President for Research and Graduate Studies, University of Kentucky, Lexington, KY, February 1995, $19,000.
3. Kovacevic, R., "Research Equipment Grant," Center for Robotics and Manufacturing Systems, October 1994, $26,000.
4. Kovacevic, R., "Research Equipment - Special Grant," Vice Chancellor for Research and Graduate Studies, University of Kentucky, Lexington, KY, August 1994, $8,000.
5. Kovacevic, R., "Research Equipment Grant," Center for Robotics and Manufacturing Systems, July 1 993, $20,000.
6. Kovacevic, R., "Research Equipment Grant: LaserStrobe Video System," Center for Robotics and Manufacturing Systems, University of Kentucky, Lexington, KY, 1992, $48,000.
7. Kovacevic, R., "Instrumentation for the Nontraditional Manufacturing Processes Laboratory," Center for Robotics and Manufacturing Systems, University of Kentucky, 1991, $100,000.

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Patents

1. Kovacevic, R., "Apparatus and Method of High-Pressure Waterjet-Assisted Cooling/Lubrication System in Machining," U.S. Patent No. 5,288,186, February 22, 1994.
2. Kovacevic, R. and Zhang, Y.M., "Apparatus and Method for Measuring 3-D Weld Pool Shape," U.S. Patent No. 5,481,085, January 22, 1996.

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Software Copyrights

1. Kovacevic, R., Zhang, Y.M., and Ruan, S., "Automated Inspection System for Wheel Weld", (Personal Computer and Logic Controller), United States Copyright Registrations No. TXu 644-164, June 12, 1995, and No. TXu 694-795, June 15, 1995.
2. Kovacevic, R. and Beardsley, H.E., "Software for Machine Vision Post-Weld Quality Inspection Systems," Txu 729-921, Febr. 7, 1996.

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Invention Disclosures

1. Zhang, Y.M, E, Liguo, and Kovacevic, R., "Method of Gas Metal Arc Welding," U.S. Patent Application S.N. 9,045,437, 1998.
2. Kovacevic, R., Zhang, Y.M., and Ruan, S., "Automated Wheel Weld Quality Inspection System," submitted to the University of Kentucky, December 1994.
3. Kovacevic, R., "Surface Grinding Operation Assisted with High Speed Grinding Fluid," submitted to the University of Kentucky, August 1994.
4. Kovacevic, R. and Zhang, Y.M., "Rapid 3D Vision Recognition of Visible Wheel Weld Defects," submitted to the University of Kentucky, May 1994.
5. Kovacevic, R., et al., "Apparatus and Method for Sensing and Control of Weld Pool Geometry for Automated Welding," submitted to the University of Kentucky, July 1993.
6. Kovacevic, R. and Grayson, C., "Rehabilitation of the Concrete Pavements Assisted with Abrasive Waterjets," submitted to the University of Kentucky, July 1991.
7. Kovacevic, R., "A New Sensing System to Monitor Abrasive Waterjet Nozzle Wear," submitted to the University of Kentucky, January 1991.

Publications Count

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Journal Papers

1. Fan, H.G. and Kovacevic, R., "Droplet Formation, Detachment and Immpingement on the Molten Pool in GMA Welding," accepted for the Metallurgical and Materials Transactions B.
2. Momber, A. and Kovacevic, R., "An Energy Balance of High-Speed Abrasive Waterjet Erosion," accepted for the Proc. Instn. Mech. Engrs., Part J. Journal of Engineering Tribology.

1. Momber, A., Ram, M., and Kovacevic, R., "An Acoustic Emission Study of Cutting Bauxite Refractory Ceramics by Abrasive Waterjet," the Journal of Materials Engineering and Performance, ASM International, Vol. 8(4), August 1999.
2. Zheng, B., Wang, Q., and Kovacevic, R., "Front Image Sensing of the Keyhole Weld Pool in Variable Polarity PAW of Aluminum Alloys," the ASME Transactions, Journal of Manufacturing Science and Engineering, Vol. 121, August 1999.
3. Labudovic, M., Kovacevic, R., Kmecko, I., Khan, T.I., "Mechanism of Surface Modification of Ti-6Al-4V Alloy Using a Tungsten Metal Arc Heat Source," the Metallurgical and Materials Transactions A, Vol. 30, June 1999, pp. 1597-1603.
4. Zheng, B., Wang, Q., and Kovacevic, R., "Arc Interface and a Unique Push-Pull Arc Solution in AC PAW of Aluminum Alloys," the Proceedings of the Institution of Mechanical Engineers, Part B, Journal of Engineering Manufacture, Vol. 213, 1999, pp. 69-76.
5. Ye, J. and Kovacevic, R., "Turbulent Solid-Liquid Flow through Nozzle of Premixed Abrasive Waterjet Cutting Systems," the Proceedings of the Institution of Mechanical Engineers, Part B, Journal of Engineering Manufacture, Vol. 213, 1999, pp. 59-67.
6. Momber, A., Ram, M., and Kovacevic, R., "On-Line Analysis of Hydro-Abrasive Erosion of Pre-Cracked Materials by Acoustic Emission," the Theoretical and Applied Fracture Mechanics., Vol. 31(1999), pp. 1-17.

1. Wang, Y., Kovacevic, R., and Liu, "Mechanism of Surface Modification by CeO2 in Laser Remelted Alloy Spray Coatings," the Wear, 221 (1998), pp. 47-53.
2. Zhang, Y.M., Liguo, E., and Kovacevic, R., "Active Metal Transfer Control by Monitoring Excited Droplet Oscillation," Welding Journal, 77 (9), 1998, pp. 388s-395s.
3. Fan H.G., Kovacevic, R., "Dynamic Analysis of Globular Metal Transfer in Gas Metal Arc Welding - Comparison of Numerical and Experimental Results," the Journal of Physics D: Applied Physics, 31 (1998), pp. 1-13.
4. Zhang, S.B., Zhang, Y.M., and Kovacevic, R., "Non-Contuct Ultrasonic Sensing for Seam Tracking in Arc Welding Process," the ASME Journal of Manufacturing Science and Engineering, Vol. 120, August 1998, pp. 600-608.
5. Zhang, Y.M. and Kovacevic, R., "Neurofuzzy Model Based Control of Weld Fusion Zone Geometry," the IEEE Transactions on Fuzzy Systems, Vol. 6, No. 3, 1998, pp. 389-401.
6. Kovacevic, R., Kwak, H., and Mohan, R., "AE Sensing as a Tool for Understanding the Mechanisms of AWJ Drilling of Difficult-to-Machine Materials," the Proc. Instn. Mech. Engrs., Journal of Engineering for Manufacturing, Vol 212, Part B, 1998, pp.45-58.
7. Cao, Z.N., Zhang, Y.M., and Kovacevic, R., "Numerical Dynamic Analysis of Moving GTA Weld Pool, " the ASME Journal of Manufacturing Science and Engineering, 120(1), 1998, pp. 173-178.

1. Yong, Z. and Kovacevic, R., "Modeling of Jetflow Drilling with Consideration of Chaotic Erosion Histories of Particles," the Wear, Vol. 209, 1997, pp. 284-291.
2. Yao, Y. X., Zhang, Y. M., and Kovacevic, R., "Functional Observer and State Feedback for Input Time-Delay Systems,"the International Journal of Control, Vol. 66 (4), 1997, pp. 603-617.
3. Zhang, Y.M. and Kovacevic, R., "Robust Control of Interval Plants: A Time-Domain Method," the IEE Proceedings on Control Theory and Applications., Vol. 144 (4), 1997, pp. 347-353.
4. Zhang, Y.M., Li, L. and Kovacevic, R., "Dynamic Estimation of Full Penetration Using Geometry of Adjacent Weld Pools," the ASME Journal of Manufacturing Science and Engineering., Vol. 119 (4), 1997, pp. 631-643.
5. Kovacevic, R., Hashish, M., Mohan, R., Kim, T.J., Ramulu, R., and Geskin, E.S., "State of the Art of Research and Development in Abrasive Waterjet Machining," the ASME Journal of Manufacture Science and Engineering., Vol. 119, Nov. 1997, pp. 776-785.
6. Kovacevic, R., and Zhang, Y.M., "Adaptive Robotic Welding Using Vision Feedback," the Journal of Production Engineering and Computers," Vol. 1, No. 1, 1997, pp. 29-34.
7. Momber, A., Kovacevic, R. and Kwak, H., "Alternative Method for the Evaluation of Abrasive Water Jet Cutting of Gray Cast Iron," the Journal of Materials Processing Technology, 65 (1997), pp. 65-72.
8. Yong, Z. and Kovacevic, R., "Simulation of Chaotic Particle Motion in Particle-Laden Jetflow and Application to Abrasive Waterjet Machining," the ASME Journal of Fluid Mechanics, Vol. 119, 1997, pp. 435-442.
9. Kovacevic, R. and Beardsley, H.E., "High-Speed Water Jet as A Coolant/Lubricant in Grinding," Abrasive Magazine, June/July 1997.
10. Yong, Z. and Kovacevic, R., "Feedback Control of Chaitic Circular Point Sets with Arbitrary Velocity Profile," the Journal of Chaos, Solitons and Fractals, Vol. 8, No. 3, 1997, pp. 313-326.
11. Yong, Z. and Kovacevic, R., "Fundamentals of Constructing Particle-Laden Jetflow by Fractal Point Sets and Predicting 3D Solid Erosion Rates," the Journal of Chaos, Solitons and Fractals, Vol. 8, No. 2, 1997, pp. 207-220.
12. Zhang, Y. M. and Kovacevic, R., "Real-Time Sensing of Sag Geometry During GTA Welding," the ASME Journal of Manufacturing Science and Engineering, 119(1), 1997, pp. 151-160.
13. Kovacevic, R. and Zhang, Y. M., "Real-Time Image Processing for Monitoring of Free Weld Pool Surface," the ASME Journal of Manufacturing Science and Engineering, 119 (1), 1997, pp.161-169.
14. Kovacevic, R. and Zhang, Y.M., "Neurofuzzy Model-Based Weld Fusion State Estimation," the IEEE Control Systems Magazine, 17(2), 1997, pp. 30-42.
15. Momber, A. and Kovacevic, R., "The Parameter Analysis in Abrasive Water Jet Cutting of Rocklike Materials," the International Journal of Rock Mechanics and Mining Science, Vol. 34, No. 1, 1997, pp. 17-25.
16. Yong, Z. and Kovacevic, R., "Simulation of Effects of Water-Mixture Film on Impact Contact in Abrasive Waterjet Machining," the International Journal of Mechanical Sciences, Vol. 39, No. 6, 1997, pp. 729-739.

1. Kovacevic, R. and Zhang, Y.M., "Sensing Free Surface of Arc Weld Pool Using Specular Reflection: Principle and Analysis," the Proc. Instn. Mech. Engrs., Part B. Journal of Engineering Manufacture, Vol. 210, 1996, pp 553-564
2. Momber, A. W., Eusch, I., and Kovacevic, R., "Machining Refractory Ceramics with Abrasive Waterjet," the Journal of Materials Science, 31(1996), pp.6485-6493.
3. Momber, A., Kwak, H., and Kovacevic, R., "Investigations in Abrasive Water Jet Erosion Based on Wear Particle Analysis," the ASME Journal of Tribology, Vol 118, 1996, pp. 759-766
4. Kovacevic, R., Zhang, Y.M., and Li, L., "Monitoring of Weld Joint Penetration Based on Weld Pool Geometrical Appearance," the Welding Journal, 75(10) 1996, pp. 317s - 329s.
5. Zhang, Y. M., Kovacevic, R., and Li, L., "Characterization and Real-Time Measurement of Geometrical Appearance of Weld Pool," the International Journal of Machine Tools and Manufacture, 36(7), 1996, pp. 799-816.
6. Yao, Y. X., Zhang, Y.M., and Kovacevic, R., "Parameterization of Observers for Time-Delay Systems and its Application in Observer Design," the IEE Proceedings Control Theory and Applications, 143 (3), 1996, pp. 225-232.
7. Momber, A. and Kovacevic, R., "Accelerated High Speed Water Erosion Test for Concrete Wear Debris Analysis," the Tribology Transactions, Vol. 39 (1996) 4, pp. 943-949.
8. Zhang, Y. M., Cao, Z. N., Kovacevic, R., "Numerical Analysis of Weld Pool Penetration in GTA Welding, the Proc. Inst. Mech. Engrs., Part B. Journal of Mechanical Engineering, 210 (C2), pp. 187-195, 1996.
9. Zhang, Y.M., Kovacevic, R., and Li, L., "Adaptive Control of Full Penetration in GTA Welding," the IEEE Transactions on Control Systems Technology, Vol. 4, No. 4. July 1996.
10. Kovacevic, R., Cao, Z.N., and Zhang, Y.M., "Role of Welding Parameters in Determining the Geometrical Appearance of Weld Pool," the ASME Journal of Engineering Materials and Technology, Vol. 118 (4), 1996, pp. 589-596.
11. Kovacevic, R., Yao, Y.X., and Zhang, Y.M., "Observer Parametrization for Simultaneous Observation," the IEEE Transactions on Automatic Control, 41(2), 1996.
12. Momber A. and Kovacevic, R., "Fracture of Brittle Multiphase Materials by High Energy Water Jets," the Journal of Materials Science, 31(1996), pp. 1081-1085.
13. Kovacevic, R., Mohan, R., and Beardsley, H.E., "Monitoring of Thermal Energy Distribution in Abrasive Waterjet CuttingUsing Infared Thermography," the ASME Journal of Manufacturing Science and Engineering, 118 (4), 1996, pp. 555-563.
14. Zhang, Y. M., Kovacevic, R., and Wu, L., "Dynamic Analysis and Identification of Gas Tungsten Arc Welding Process for Weld Penetration Control," the ASME Journal of Manufacturing Science and Engineering, 118(1), 1996, pp. 123-136.

1. Kovacevic, R. and Zhang, Y.M., "Machine Vision Recognition of Weld Pool in GTAW," the Proc. Instn. Mech. Engrs., Part B. Journal of Engineering Manufacture, 208 (B2), pp. 141-152, 1995.
2. Momber, A. and Kovacevic, R., "Statistical Character of the Failure of Multiphase Materials due to High Pressure Water Jet Impingement," The International Journal of Fracture, Vol. 71, 1995, pp. 1-14.
3. Kovacevic, R., Cherukuthota, C., and Mohan, R., "Improving Milling Performance with High Pressure Waterjet Assisted Cooling/Lubrication," the ASME Journal of Engineering for Industry, Vol. 117(3), 1995, pp. 331-339.
4. Kovacevic, R., Cherukuthota, C., and Mazurkiewicz, M., "High Pressure Waterjet Cooling/Lubrication to Improve Machining Efficiency in Milling," The International Journal of Machine Tools and Manufacture, Vol. 35, No.10, 1995, pp. 1459-1473.
5. Kovacevic, R., Mohan, R., Murugesan, M., and Seybert, A., "On-Line Monitoring of the Electric Arc Spraying Process Based on Acoustic Signatures," the Proceedings Instn. Mech. Engrs.,Part B. Journal of Engineering Manufacture, Vol. 209, 1995, pp. 369-379.
6. Momber, A. and Kovacevic, R., "Quantification of Energy Absorption Capability in Abrasive Water Jet Machining", the Proceedings Instn. Mech. Engrs., Part B. Journal of Engineering Manufacture, Vol. 209, 1995.
7. Momber, A., Kovacevic, R., and Ye, J., "The Fracture of Concrete due to Erosive Wear by High Velocity Water Flow," The Tribology Transactions, Vol. 38(3), 1995, pp. 686-692.
8. Kovacevic, R., Zhang, Y.M., and Ruan, S., "Sensing and Control of Weld Pool Geometry for Automated GTA Welding," the ASME Journal of Engineering for Industry, 117(2), 1995, pp. 210-222.
9. Kovacevic, R., Mohan, R., and Zhang, Y.M., "Cutting Force Dynamics as a Tool for Surface Profile Monitoring in Abrasive Waterjet Cutting," the ASME Journal of Engineering for Industry, 117(3), 1995, pp. 340-350.

1. Momber, A. and Kovacevic, R., "Fundamental Investigations on Concrete Wear by High Velocity Water Flow," Wear, Vol. 117, 1994, pp. 55-62.
2. Fang, M. and Kovacevic, R., "On-Line Monitoring Surface Quality in Abrasive Waterjet Cutting," the Journal of High Pressure Water Jet, No. 49, 1994, pp. 37-43. (in Chinese)
3. Kovacevic, R., "Sensing the Abrasive Waterjet Nozzle Wear," the International Journal of Water Jet Technology, Vol. 2, No. 1, June 1994, pp. 1-10.
4. Kovacevic, R., Fang, M. and Beardsley, H.E., "Development of Fuzzy Logic Method to Select Abrasive Waterjet Parameters for Notching Concrete Pavement Slabs," the International Journal of Water Jet Technology, Vol. 2, No. 1, 1994, pp. 28-38.
5. Kovacevic, R., Wang, L., and Zhang, Y.M., "Identification of Abrasive Waterjet Nozzle Wear Based on Parametric Spectrum Estimation of Acoustic Signal," the Proc. Instn. Mech. Engrs., Part B. Journal of Engineering Manufacture, Vol. 208,1994, pp. 173-181.
6. Beardsley, H. E., Zhang, Y. M., and Kovacevic, R., "Infrared Sensing of Full Penetration State in GTAW," the International Journal of Machine Tools and Manufacture, Vol. 34, No. 8, 1994, pp. 1079-1090.
7. Yong, Z., Hanson, M.T., and Kovacevic, R., "Topological Measure of Brittle Fragmentation," the International Journal of Solids and Structure,Vol. 31, No. 3, 1994, pp. 391-415.
8. Mohan, R., Kovacevic, R., and Damarla, K., "Real-Time Monitoring of Abrasive Waterjet Nozzle Wear Using Neural Networks Technology," the SME Transactions, Vol. XXII, 1994, pp. 253-258.
9. Kovacevic, R. and Fang, M., "Modeling of the Influence of the Abrasive Waterjet Cutting Parameters on the Depth of Cut Based on Fuzzy Rules," the International Journal of Machine Tools and Manufacture, Vol. 34, No. 1, 1994, pp. 55-72.

1. Zhang, Y. M., Kovacevic, R., and Wu, L., "Closed Loop Control of Weld Penetration Using Front-Face Vision System," the Proc. Instn. Mech. Engrs., Journal of Systems and Control Engineering, Vol. 207, 1993, pp. 27-34.
2. Kovacevic, R., Mohan, R., and Zhang, Y.M., "Stochastic Modeling of Surface Texture Generated by High-Energy Jets," the Proc. Instn. Mech. Engrs., Journal of Engineering Manufacture, Vol. 207, 1993, pp. 129-140.

1. Zhang, Y.M., Kovacevic, R. and Wu, L., "Sensitivity of Front-Face Weld Geometry in Representing the Full Penetration," the Proc. Instn. Mech. Engrs., Journal of Engineering Manufacture, Vol. 206, 1992, pp. 191-197.
2. Zhang, Y.M., Kovacevic, R. and Wu, L., "Controlling Welding Penetration in GTAW Using Vision Sensing and Adaptive Control Technique," the SME Transactions Vol. XX, 1992, pp. 317-324.
3. Fang, M., Kovacevic, R., and Liu, D., "A Fuzzy Approach to Abrasive Waterjet Cutting Parameters Selection," the Journal of High Pressure Water Jet, No. 2, 1992, (in Chinese), pp. 17-30.
4. Kovacevic, R. and Zhang, Y.M., "Identification of Surface Characteristics from Large Samples," the Proc. Instn. Mech. Engrs., Journal of Mechanical Engineering Science, Vol. 206, 1992, pp. 275-284.
5. Kovacevic, R., "Monitoring the Depth of Abrasive Waterjet Penetration," the International Journal of Machine Tools and Manufacture, 32(5) 1992, pp. 725-736. 

1. Kovacevic, R., "A New Sensing System to Monitor Abrasive Waterjet Nozzle Wear," the Journal of Materials Processing Technology, 28 (1991), pp. 117-125.
2. Kovacevic, R., "Surface Texture in Abrasive Waterjet Cutting," The SME's Journal of Manufacturing Systems, Volume 10/No. 1,1991, pp. 32-40.

1. Kovacevic, R. and Evizi, M., "Nozzle Wear Detection in Abrasive waterjet Cutting Systems," the Materials Evaluation, March 1990, Vol. 48, No. 3, pp. 348-353.
2. Kovacevic, R., "Transporation System in Flexible Manufacturing Systems - A New Trends, "Technika-Mechanical Engineering, 38(1989) 1, pp. 63-68, (in Serbian).
3. Kovacevic, R., "Flexible Manufacturing Systems - A Critical Review," Technika-Mechanical Engineering, 37(1988) 11, pp. 1146-1152 (in Serbian).
4. Krivokapic, Z., Kovacevic, R., Kulusic, M., and Nikolic, R., "Computer Control of the Spare Parts Inventory," Journal of Maintenance of the Machines and Devices, SVII (1988), 5 pp. 331-336 (in Serbian).
5. Kovacevic, R., "Cutting with Abrasive Waterjet," Technika-Mechanical Engineering, 1988, No. 5-6, pp. 580-583 (in Serbian).
6. Kovacevic, R., "NC- and CNC-Coordinate Measuring Machines - Tools for Quality Assurance," Technika-Mechanical Engineering, 1987, no. 7-8, pp. 683-689 (in Serbian).
7. Kovacevic, R. and Lauffer, H.H., "Simplified Method to Determine the Components of the Cutting Force in External Broaching," wt Werkstattstechnik, Springer-Verlag, 77(1987), pp. 329-332, (in German).

1. Kovacevic, R. and Grabowski, H., "Contemporary Treatment of Sheet Metal in Small and Medium Series," Technika-Mechanical Engineering, (35) 1986, No. 4-5, pp. 471-474.
2. Kovacevic, r. and Andijasevic, V., "Numerically Controlled Machine Tools for Forminf Processes," Technika-Mechanical Engineering, 1984, No.4, pp. 508-514.
3. Kovacevic, R. and Stanic, J., "Optimization of Metal Cutting processes," Journal for Manufacturing, 1982, No. 9, pp. 149-159.
4. Kovacevic, R., "An Analysis of the Influence of grinding Parameters of Twist Drills on their Performance," Technika-Mechanical Engineering, 1981, No. 4, pp. 631-636.
5. Kovacevic, R., "Determination of Flow Curves of Alloyed Steels by the Hot Torsion Test, "Technika-Mechanical Engineering, 1980, No. 6, pp. 930-933.
6. Kovacevic, R. and Sokic, M., "The Evaluation of the true Stress and Deformation Work for Hot Rolling," Technika-Mechanical Engineering, 1980, No. 5, pp. 758-761.
7. Kovacevic, R., "Quantitative assessment of Plasticity in Hot Formin, "Technika-Mechanical Engineering, 1979, No. 2, pp. 241-145.
8. Kovacevic, R. and Domazetovic, V., "A Comparision of the Hot torsion Methods with Reference to the Determination of the True stress for Alloy Steels," Technika-Mechanical Engineering, 1979, No. 5, pp. 738-744.
9. Kovacevic, R., Funke, P., and Solaja, V., "Determination of the True Stress for Steel S.4578 by Hot Totrsion test," Transactions of IAMA, 1978, No. 26, pp. 3607-3624.
10. Funke, P. and Kovacevic, R., "Influence of Temperature and Strain rate on the Formability of Alloy Steels During Hot Forming," Stahl und Eisen, 98(1978), No. 22, pp. 1146-1150 (in German).
11. Kovacevic, R. and Funke, P., "Determination of the True Stress by the Hot Torsion Test, "Stahl und Eisen, 98(1978), No. 21, pp. 1077-1081, (in German).
12. Kovacevic, R., "Effect of Grinding Method on the Operating Properties of Drills, "Technika-Mechanical Engineering, 1975, No. 10, pp. 1676-1682.
13. Kovacevic, R., "Verification of Mathematical Models for the Conical Grinding of Drills, "Technika-Mechanical Engineering, 1975, No. 2, pp. 312-315.

1. Mohan, R., Momber, A., and Kovacevic, R., "Acoustic Emission Sensing as a Tool for Monitoring Energy Dissipation in Abrasive Waterjet Cutting," submitted to the ASME Transactions, Journal of Manufacturing Science and Engineering, Part B, January 1999.
2. Zheng, B., Wang, Q.L., and Kovacevic, R., "Parameters Optimization for the Generation of a Keyhole Weld Pool during the Start-up Segment in VPPAW of Aluminum Alloys," submitted to the Proceedings of the Institution of Mechancal Engineers, Part B, Journal of Engineering Manufacture, February 1999.
3. Wang, H., Zheng, B., Wang, Q.I., and Kovacevic, R., "Real-Time Image Processing of Keyhole Puddle in VPPAW," submitted to the Proceedings of the Institution of Mechanical Engineers, Part B, Journal of Engineering Manufacture, March 1999.
4. Fan, H.G. and Kovacevic, R., "Droplet Formation, Detachment and Impingement on the Molten Pool in GMA Welding," submitted to the Metallurgical and Materials Transactions B, November 1998.
5. Zheng, B., and Kovacevic, R., "A Novel Control Approach for the Droplet Detachment in Rapid Prototyping by 3D Welding," submitted to the ASME Transactions, Journal of Manufacturing Science and Engineering, March 1999.
6. Zheng, B., Wang, H.J., Wang, Q.I., and Kovacevic, R., "Control for Weld Penetration in VPPAW of Aluminum Alloys Using the Front Weld Pool Image Signal," submitted to the Welding Journal/Research Supplement, March 1999.
7. Fan, H.G. and Kovacevic, R., "Keyhole Formation and Collapse in the Plasma Arc Welding," submitted to the Journal of Physics D: Applied Physics, May 1999.
8. Vasile, D., Wang, H.J., Owona, N., and Kovacevic, R., "Experimental and Numerical Analysis of Sheet Metal Forming by Laser Beam," submitted to the Proceedings of the Institution of Mechanical Engineers, Part B, Journal of Engineering Manufacture, June 1999.
9. Labudovic, M., Hu., D.M., and Kovacevic, R., "3D Finite Element Modling of Laser Surface Modification," submitted to the Proceedings of the Institution of Mechanical Engineers, Part B, Journal of Engineering Manufacture, June 1999.
10. Hu, Z., Labudovic, M., Wang, H.J., and Kovacevic, R., "Computer Simulation and Experimental Investigation of Sheet Metal Bending Using Laser Beam Scanning," submitted to the International Journal on Machine Tools & manufacture, August 1999.

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Papers in Refereed Conference Proceedings

1. Mohan, R., and Kovacevic, R., "Finite Element Modeling of Crack Propagation in PCC Slab Slotted with Abrasive Waterjet," Proceedings of the 10th American Waterjet Conference, August 14-17, 1999, Houston, TX.
2. Mohan, R., Kovacevic, R., and Chiratanagandla, V., "Finite Element Modeling of Coolant Flow at the Cutting Zone in High PressureWater Jet Assited Milling," Proceedings of the 10th American Waterjet Conference, August 14-17, 1999, Houston, TX.
3. Kmecko, I., Hu., D.M., and Kovacevic, R., "Controlling Heat Input, Spatter, and Weld Penetration in GMAW for Solid Freeform Fabrication," Proceedings of the 10th Solid Freeform Fabrication Symposium, The University of Texas at Austin, Austin, Tx, August 12-15, 1999.
4. Kovacevic, R., Beardsley, H., and Fan, H.G., "Modeling, Sensing and Control of Droplet Based Solid Freeform Fabrication Process," Proceedings of the 75th Anniversary Energy Sources Technology Conference, ASME International Petroleum Division, Febr. 1-3, 1999, Houston, TX, Awarded Best Research Paper.
5. Kovacevic, R., "Rapid Prototyping Technique Based on 3D Welding," 1999 NSF Design and Manufacturing Grantees Conference, Los Angeles, CA, January 5-8, 1999.

1. Zheng., B., Wang, Q.L., and Kovacevic, R., "Effect of the DCEP During Time on the Penetration in AC Plasma Arc Welding of Aluminum Alloys", Manufacturing Science and Engineering, ASME MED-Vol. 8, 1998, pp. 213-220..
2. Kovacevic, R., and Beardsley, H.E., "Process Control of 3D Welding as a Droplet-Based Rapid Prototyping Technique," Proceedings of the 9th Annual Solid Freeform Fabrication Symposium, August 10-12, 1998, Austin, TX, pp. 57-64.
3. Milacic, M. and Kovacevic, R., "Partial Penetration in Blanket Welding with CO2 Laser," Proceeding of the 5th International Conference on Trends in Welding Research, June 1-5, 1998, Pine Mountain, CA.
4. Beardsley, H.E., and Kovacevic, R., "Controlling Heat Input and Metal Transfer for 3D Welding - Based Rapid Prototyping," Proceeding of the 5th International Conference on Trends in Welding Research, June 1-5, 1998, Pine Mountain, CA.
5. Milacic, M. and Kovacevic, R., "Real-Time Control of Partial Penetration in Laser Welding", Proceedings of the 4th International Seminar on Intelligent Manufacturing Systems, September 26-29, 1998, Belgrade, Yugoslavia
6. Dreyzin, E., Wnag, Y., and Kovacevic, R., "A New Microwelding Method in Use for Solid Freeform Fabrication", Proceedings of the 7th European Conference on Rapid Prototyping and Manufacturing, Bonn, Germany, June 7-8, 1998.
7. Beardsley, H.E. and Kovacevic, R., "New Rapid Protoyping based on 3-D Welding", Proceedings of the 31st CIRP International Seminar on Manufacturing Systems, May 26-28, 1998, Berkeley, CA.

1. Mohan, R. and Kovacevic, R., "Pavement Rehabilitation Using High Pressure Waterjets", Water Jet Applications in Construction Engineering, Edited by A.W. Momber, A.A. Balkema, Rotterdam, 1997.
2. Zhang, Y.M., Li, L., and Kovacevic, R., "Neurofuzzy Model Based Control of Weld Fusion Zone Geometry," Proceedings of the 1997 American Control Conference, Albuquerque, NM, June 4-6, pp. 2483-2487.
3. Zhang, Y.M., Kovacevic, R., and Yao, Y.X., "Identification of Multivariable Interval Dynamic Model from Measurements in Frequency Domain," Proceedings of the 1997 American Control Conference, Albuquerque, NM, June 4-6, pp. 1939-1943.
4. Yao, Y.X., Zhang, Y.M., and Kovacevic, R., "Loop Transfer Recovery Design with Proportional Integral Observer Based on H-infinity Optimal Observation," Proceedings of the 1997 American Control Conference, Albuquerque, NM, June 4-6, pp. 786-790.
5. Zhang, Y.M., E, Liguo, and Kovacevic, R., "Droplet Transfer Control for Gas Metal Arc Welding and Rapid Prototyping," Technical Paper of the NAMRC XXV, May 20-23, 1997 pp. 131-136.
6. Kovacevic, R. and Yong, Z., "3D Modeling/Simulation of Abrasive Waterjet Machining, "Proceedings of the 1997 NSF’s Design and Manufacturing Grantees Conference, January 7-10, Seattle, WA.
7. Kovacevic, R., Liguo, E., and Zhang, Y.M., "Achieving Projected Spray Based on Excited Droplet Oscillation", Proceedings of the Second World Congress on Intelligent Manufacturing Processes & Systems, Budapest, Hungary, June 10-13, 1997.

1. Momber, A. and Kovacevic, R., "Accelerated High Speed Water Erosion Test for Concrete Wear Debris," Proceedings of the 1996 ASME-STLE Tribology Conference, Oct. 13-17, San Francisco, CA.
2. Kovacevic, R. and Zhang, Y.M., "On-Line Measurement of Weld Fusion State Feedback Using Weld Pool Image and Neurofuzzy Model," Proceedings of the IEEE International Conference on Intelligent Control, Dearborn, MI, Oct. 1996.
3. Yong, Z. and Kovacevic, R., "Designing Nozzle Cross Sections with off-Line Simulation for 3D Abrasive Waterjet Machining," Proceedings of the "Forum on High Speed Jet Flow," ASME Fluids Engineering Division Summer Meeting, San Diego, CA, June 1996.
4. Zhang, Y.M. and Kovacevic, R., "Robust Stabilizing Control of Stable Interval Plants: A Time Domain Approach," DSC-Vol. 58, Proceedings of the ASME Dynamic Systems and Control Division, 1996, pp. 867-875.
5. Yao, Y.X., Zhang, Y. M., and Kovacevic, R., "H-infinity Based Robust Multivariable Linear Control of Weld Pool Shape," DSC-Vol. 58, Proceedings of the ASME Dynamic Systems and Control Division, 1996, pp. 259-264.
6. Zhang, Y.M., Yao, Y.X., Li, L., and Kovacevic, R., "Robust Fault Detection and Isolation for Linear Input Time-Delay," DSC-Vol. 58, Proceedings of the ASME Dynamic Systems and Control Division, 1996, pp. 859-866.
7. Kovacevic, R., Zhang, Y. M., Liguo, E., and Beardlsy, H.E., "Dynamics of Droplet Geometry During Metal Transfer in GMAW - A Model for Process Control," MD-Vol. 74, Advanced Materials:Development, Characterization, Processing and Mechanical Behavior, ASME 1996, pp. 143-144.
8. Zhang, Y. M., Li, L., and Kovacevic, R., "Neurofuzzy Model Based Non-Linear Modeling and Control of Weld Fusion Zone Geometry," MD-Vol. 74, Advanced Materials: Development, Characterization, Processing and Mechanical Behavior, ASME 1996, pp. 149-150.
9. Zhang, Y. M., Cao, Z. N., and Kovacevic, R., "Numerical Dyanamic Analysis of Moving GTA Weld Pool," the 1996 International Mechanical Engieering Congress & Exposition, Nov. 17-22, Atlanta, GA.
10. Mohan, R. and Kovacevic, R., "Performnace Evaluation of a Hybrid Machining Process -High Pressure Waterjet Assisted Grinding,"MD-Vol. 74, Advanced Materials: Development, Characterization, Processing and Mechanical Behavior, ASME 1996, pp.131-132
11. Mohan, R., Kovacevic, R., and Beardsley, H.E., "Heat Flux Determination at the AWJ Cutting Zone Using IR Thermography and Inverse Heat Conduction Problem," HTD-Vol. 332, Proceedings of the ASME Heat Transfer Division, Vol. 1, ASME 1996, pp. 245-254.
12. Kovacevic, R., Zhang, Y.M., Li, L., and Beardsley, H.E., "Sensing and Control of Weld Geometrical Appearance," Proceedings of the 26th Conference on Production Engineering, Oct. 2-4, 1996, Budva, Yugoslavia, pp. 813-824.
13. Zhang, Y.M. and Kovacevic, R., "Monitoring of Three-Dimensional Arc Weld Pool Surface," Proceedings of the 26th Conference on Production Engineering, Oct. 2-4, 1996, Budva, Yugoslavia, pp.855-866.
14. Momber. A. Kovacevic, R., Pfeiffer, D., and Schunemann, R., "The Influence of Abrasive Grain Size Distribution Parameters on the Abrasive Water Jet Machining Process," NAMRC XXIV, May 21-24, 1996, pp. 21-26.
15. Kovacevic, R. and Yong, Z., "Modeling of 3D Abrasive Waterjet Machining, Part I: Theoretical Basis," 1996 Jetting Technology, published by Institution of Mechanical Engineers, pp. 73-82.
16. Yong, Z., and Kovacevic, R., "Modeling of 3D Abrasive Waterjet Machining, Part II: Simulation of Machining," 1996 Jetting Technology, published by Institution of Mechanical Engineers, pp. 83-89
17. Kwak, H., Mohan, R., and Kovacevic, R., "Monitoring of AWJ Drilling of Ceramics Using AE Sensing Technique," 1996 Jetting Technology, published by Institution of Mechanical Engineers, pp. 137-152.
18. Kovacevic, R., Zhang, Y.M., and Beardsley, H.E., "Real-Time Measurement of 3D Shape of Weld Pool Surface," NSF Design and Manufacturing Grantees Conference, January 2-5, 1996, Albuquerque, NM.
19. Zhang, Y. M., Walcott, B. L., and Kovacevic, R., "Model Distance Criterion for Order Determination of ARMA Models," the 13th World Congress, International Federation on Automatic Control, Vol. J, pp. 263-268, June 30 - July 5, 1996, San Francisco, CA.

1. Momber, A. W. and Kovacevic, R., "Energy Dissipative Processes in High Speed Water-Solid Particle Erosion," ASME, Measurement Techniques in Isothermal and non-Isothermal Multiphase Flows, HTD - Vol. 231/FED - Vol. 233, Ed. by G.L. Chahine and T.J. O'Hern, pp. 243-256, 1995.
2. Li, L . Zhang, Y. M., and Kovacevic, R., "Dynamic Relationship Between the Weld Pool Shape and Weld Penetration," ASME, MD - Vol. 69-2, Ed. by J. Coulter and M. Cengiz Altan, pp. 883-898, 1995.
3. Mohan, R., Momber, A., and Kovacevic, R., "Detection of Energy Dissipation During Abrasive Waterjet Machining Using Acoustic Emission," ASME, Manufacturing Science and Engineerng, MED - Vol. 2-1, Ed. by E. Kannatey, pp. 69-85, 1995.
4. Momber, A. W., Kovacevic, R., and Eusch, I., "Resisatnce parameters of Rocklike Materials Against Abrasive Waterjet Cutting, Rock Mechanics, ed. Daemen & Schultz, 1995, Baklema, Rotterdam, ISBN 905410 5526, pp. 355-359.
5. Kovacevic, R. and Mohan, R., "Effect of High-Speed Grinding Fluid on Surface Grinding Performance,'' the 1st International Machining and Grinding Conference, Dearborn, Ml, Sept.12-14,1995, pp. 917-931.
6. Mohan, R., Momber, A., and Kovacevic, R., "Acoustic Emission Measurements on Brittle Materials During Abrasive Waterjet Cutting," the 1st International Machining and Grinding Conference, Dearborn, Ml, Sept.12-14, 1995, pp. 439-458.
7. Kovacevic, R., and Mohan, R., "High Pressure Waterjet Application to Improve Performance of Machining Operations," Proceedings of the 8th American Water Jet Conference, Aug. 27- 30, 1995, paper 36, pp. 519-535.
8. Momber, A., Kovacevic, R., Pfeiffer, D., and Schuenemann, R., "A Comparative Study of Concrete Behavior During Compression Testing and Waterjet Erosion," Proceedings of the 8th American Water Jet Conference, Aug. 27-30, 1995, paper 60, pp. 809-828.
9. Momber, A. and Kovacevic, R., "Experimental Estimation of Energy Dissipative Processes in Workpiece During Abrasive Waterjet Cutting," Proceedings of the 8th American Water Jet Conference, Aug. 27-30, 1995, paper 14, pp. 187-206.
10. Momber, A. Kovacevic, R., "A Fracture Model for Hydrodemolition," Proceedings of the 8th American Water Jet Conference, Aug. 27-30, 1995 paper 5, pp. 61-77.
11. Momber, A., Eusch, I., and Kovacevic, R., "Cutting Refractory Ceramics with Abrasive Water Jets - Preliminary Investigation," Proceedings of the 8th American Water Jet Conference, Aug. 27-30, 1995, paper 17, pp. 229-244.
12. Kovacevic, R. and Zhang, Y. M., "Weld Pool Sensing and Control: 2D Shape and 3D Surface," Proceedings of the International Symposium on Materials Science and Technology, June 4-7, 1995, Harbin, P. R. China.
13. Kovacevic, R. and Zhang, Y. M., "Vision Sensing of 3D Weld Pool Surface," The 4th International Conference on Trends in Welding Research, June 5-6,1995, Gatlinburg, TN.
14. Kovacevic, R., Zhang, Y. M., Beardsley, H. E., and Erlenbeck, M., "On-Line Sensing of Metal Transfer for Adaptive Control of GMA Welding," Proceedings of the 4th International Conference on Trends in Welding Research, June 5-6, 1995, Gatlinburg, TN.
15. Zhang, Y. M., Li, L., and Kovacevic, R., "Monitoring of Weld Pool Appearance for Penetration Control," Proceedings of the 4th International Conference on Trends in Welding Research, June 5-6, 1995, Gatlinburg, TN.
16. Kovacevic, R. and Cherukuthota, C., "Improved Grinding Process Efficiency by High Pressure Water jet Assistance," Proceedings of the First World Congress on Intelligent Manufacturing Processes and Systems, Mayaguez/San Juan, Puerto Rico, February 13-17,1995, pp.1003-1013.
17. Zhang, Y. M., and Kovacevic, R., "Modeling and Real-Time Identification of Weld Pool Characteristics for Intelligent Control," Proceedings of the First World Congress on Intelligent Manufacturing Processes and Systems, Mayaguez San Juan, Puerto Rico, Febr. 13-17, 1995, pp. 1014-1023.

1. Momber, A. and Kovacevic, "Secondary Fragmentation in Water Jet Cutting of Brittle Multiphase Materials," Water Jet Cutting Technology, Mechanical Engineering Publications Ltd., London, England, 1994, pp.139-150, ed. Allen, N. G.
2. Mohan, R., Momber, A., and Kovacevic, R., "On-Line Monitoring of Depth of Abrasive Waterjet Penetration Using Acoustic Emission Technique," Water Jet Cutting Technology, Mechanical Engineering Publications Ltd., London, England, 1994, pp. 649-664, ed. Allen, N. G.
3. Zhang, Y. M., Beardsley, H. E., and Kovacevic, R., "Real-Time Image Processing for 3D Measurement of Weld Pool Surface," Manufacturing Science and Engineering, PED-Vol. 68-1, Vol.1, ASME 1994, pp.255-262.
4. Zhang, Y.M., Kovacevic, R., and Mohan, R., "Spectral Identification of Abrasive Waterjet Generated Surface", Manufacturing Science and Engineering, PED-Vol. 68-1, Vol. 1, ASME 1994, pp. 325-337.
5. . Murgeson, M., Mohan, R., Kovacevic, R., and Seybert, A., "Monitoring the Electric Arc-Spraying Process Using Acoustic Signatures," Manufacturing Science and Engineering, PED-Vol. 68-1, Vol.1, ASME 1994, pp. 367-380.
6. Momber, A. and Kovacevic, R., "The Influence of Material Instabilities in a Brittle Multiphase Material on Its Behavior in High-Energy Water Jet Machining," Material Instabilities: Theory and Applications, AMD-Vol. 183/MD-Vol. 50, ASME 1994, pp. 327-344.
7. Momber, A. and Kovacevic, R., "Calculation of Exit Jet Energy in Abrasive Waterjet Cutting," Manufacturing Science and Engineering, PED-Vol. 68-1, Vol.1, ASME 1994, pp. 361-366.
8. Momber, A., Kovacevic, R., and Ye, J., "The Fracture of Concrete due to Erosion Wear by High Velocity Water Flow," Proceedings of the ASME/STL Tribology Conference, Lahaina, Hawaii, Oct. 16-19, 1994, STLE paper 94-TC-5C-1, pp. 1-8.
9. Kovacevic R and Zhang, Y.M., "Model-Based Adaptive Vision Control of Weld Pool Area," Proceedings of the American Control Conference, June 29 - July 1,1994, Baltimore, MD, pp. 313-317.
10. Zhang, Y.M. and Kovacevic, R., "Order Selection for ARMA Parametric Spectrum Estimation," Proceedings of the American Control Conference, June 29 - July 1, 1994, Baltimore, MD, pp. 768-772.
11. Kovacevic, R. and Zhang, Y.M., Adaptive Control of GTA Welding of Sheet Metals," Proceedings of the Fifth International Conference on Computerization of Welding Information, August 10-12, 1994, Golden, CO.
12. Zhang Y.M., Kovacevic, R., and Wu, L., "Robust Adaptive Control of Full Penetration Using Weld Depression Feedback," Proceedings of the Fifth International Conference on Computerization of Welding Information, August 10-12,1994, Golden, CO.
13. . Beardsley, H. E., Kovacevic, R., and Zhang, Y.M. "Development of Fuzzy Logic Controller to Control Complete Weld Penetration," Proceedings of the Fifth International Conference on Computerization of Welding Information, August 10-12,1994, Golden, CO.
14. Kovacevic, R., Cherukuthota, C., and Mohan, R., "Improving the Surface Quality by High-Pressure Waterjet Cooling Assistance," Geomechanics 93, edited by Z. Rakowski, A. A. Balkema, Rotterdam,1994, pp. 305-310.

1. Kovacevic, R. and Zhang, Y.M., "On-Line Fuzzy Recognition of Abrasive Waterjet Nozzle Wear," Jet Cutting Technology, (ISBN No. 0-7923-1979-6) Kluwer Academic Publishers, 1993, pp. 329-345.
2. Kovacevic, R., Mohan, R. and Hirscher, J., "Rehabilitation of the Concrete Pavements Assisted with Abrasive Waterjets," Jet Cutting Technology, (ISBN No. 0-7923-1979-6) Kluwer Academic Publishers, 1993, pp. 425-442, ed. Lichtarowicz.
3. Kovacevic, R., Mohan, R., and Cherukuthota, C., "High-Pressure Waterjet as a Coolant/Lubricant in Milling Operation," Manufacturing Science and Engineering, ASME, PED - Vol. 64,1993, pp. 733-748.
4. Mohan, R., Kovacevic, R., and Zhang, Y.M., "On-Line Monitoring of Surface Profile Generated by AWJ Using Cutting Force Signature," Manufacturing Science and Engineering, ASME, PED - 64, 1993. pp. 719-732.
5. Kovacevic, R., Zhang, Y. M., and Ruan, S., "Three-Dimensional Measurement of Weld Pool Surface," Proceedings of the International Conference on Modelling and Control of Joining Processes, Orlando, FL, December 6 - 8,1993, pp. 600-607.
6. Beardsley, H.E., Zhang, Y. M., and Kovacevic, R., "Weld Penetration Control with Infrared Sensing and Artificial Intelligence," Proceedings of the International Conference on Modeling and Control of Joining Processes, Orlando, FL, December 6 - 8,1993, pp. 393-400.
7. Zhang, Y. M., Kovacevic, R., and Wu, L., "On-Line Measure of Full Penetration Weld Geometry," Proceedings of the 12th World Congress of the International Federation of Automatic Control, July 18 - 23, 1993, Sydney, Australia, pp. 645-651.
8. Kovacevic, R., Wang, L., and Zhang, Y. M., "Detection of AWJ Nozzle Wear Using Acoustic Signature Analysis," Proceedings of the 7th American Water Jet Technology Conference, Aug. 28 - 31, 1993, Seattle. WA, pp. 217-231.

1. Kovacevic, R., Zhang, Y.M., and Beardsley, H. E., "Spectral-Based Order Determination for Autoregressive Models," Proceedings of the International Conference on DSP Applications and Technology, Cambridge, MA, Nov. 2-5, 1992, pp. 154-160.
2. Kovacevic, R. and Speck, H.J., "Generation of NC-Data from Solid Modeling CAD-Systems for Abrasive Waterjet Cutting and Milling," Proceedings of the SME's AUTOFACT'92 Conference, November 10-12, 1992 Detroit, Ml, pp. 22-51, MS92-326.
3. Mohan, R., Kovacevic, R. and Zhang, Y., "Characterization of the Surface Texture Generated by the High-Energy Jets," Engineered Surfaces, ASME, PED Vol. 62,1992, pp. 203-218.
4. Zou, H.J., Wang, L., and Kovacevic, R., "Measurement and Theoretical Analysis of Elastic Locus of High-Speed Mechanism," ASME, DE, Flexible Mechanisms, Dynamics, and Analysis, Vol. 47, 1992, pp.593-597.
5. Wang, L., Kovacevic, R., and Zou, H.J., "An Experimental Study of Elastic Mechanism with Lumped Mass and Inertia Moment," ASME, DE, Flexible Mechanisms, Dynamics, and Analysis, Vol. 47, 1992, pp.609-612.

1. Kovacevic, R., "Detection of Abrasive Waterjet Nozzle Wear by Using Time Series Modeling Technique,"SME Transactions 1991, pp. 96-100.
2. Kovacevic, R., "Development of Opto-Electrc Sensing System to Monitor the Abrasive Waterjet Nozzle Wear," Sensors, Controls, and Quality Issues in Manufacturing, ASME, PED, Vol. 55, 1991, pp. 73-81.
3. Kovacevic, R., "A New Sensing System to Monitor Abrasive Waterjet Nozzle Wear," Computer Aided Production Engineering, Edited by V.C. Venkatesh and J.A. McGeough, Elsevier,1991, pp.117-125.

1. Kovacevic, R., Beardsley, H. E., "On-Line Monitoring the Quality of the Surface Cut by the Abrasive Waterjet," Proceedings of the SME's Fourth International Grinding Conference, Oct. 9-11, 1990, Dearborn, Ml, MR 90-535.
2. Kovacevic, R., "On-Line Monitoring the Depth of Penetration of Abrasive Waterjet," Proceedings of the SME's International Manufacturing Technology Conference, Sept. 5-13, 1990, Chicago, IL, MR 90-314.
3. Kovacevic, R., "Estimation of Nozzle Wear Under Varying Cutting Conditions," Monitoring and Control of Manufacturing Processes, ASME, PED, Vol. 44, 1990, pp. 9-16.
4. Kovacevic, R., and Chen, G., "A Workpiece Reactive Force as a Parameter for Monitoring the Nozzle Wear in Turning Operation by Abrasive Waterjet," The High Energy Beam Manufacturing Technologies,ASME, PED - Vol. 41,1989, pp. 43-49.
5. Kovacevic, R., "Surface Texture in Abrasive Waterjet Cutting," The NAMRC XVII (North American Manufacturing Research Conference), SME Transactions 1989, pp. 222-227.
6. Kovacevic R., Beardsley, H. E., "Nozzle Wear Sensing in Turning Operation with Abrasive Waterjets," Proceedings of the SME's Nontraditional Machining Conference, "Nontrad for the 90's", Oct. 30-Nov. 2,1989 Orlando, FL, SME, MS 89-809.
7. Kovacevic R., Liaw, H. H., Barrows, J. F., "Surfacing Finish and Its Relationship to Cutting Parameters in Abrasive Waterjet Cutting," Proceedings of the SME's Third International Grinding Conference, Oct. 4 - 6, 1988, Fontana, WI, SME MR 88-589.
8. Kovacevic, R. and Evizi, M., "Nozzle Wear Detection in Abrasive Waterjet Cutting System," ASNT's 1988 Fall Conference, "Process Monitoring and Control", Sept.19-23,1988, Anaheim, CA, pp.62-71.

1. Sokic, M., Kovacevic, R., and Ristic, M., "The X-Ray Analysis of Interaction at Interfaces of Y203-W La203-W and CeO2-W," Proceedings of the International Conference on Powder Metallurgy, Sept. 3-6, 1986, Zlatibor, YU.
2. Kovacevic, R and Rijves, J. E., "Selection of Technological Equipment Based on Multi-Criterion Optimization," Proceedings of the Xth Symposium on Operational Research, Oct. 1984, Herceg-Novi, YU.
3. Rijves, J. E. and Kovacevic, R., "Optimization of Part Routing in Flexible Manufacturing Systems," Proceedings of the Xth Symposium on Operational Research, Oct. 1984, Herceg-Novi, YU. (in Russian)
4. Kovacevic. R., Kontic, R., and Zogovic, V., "The Determination of the True Stress of Steel S.4570 as a Function of Thermomechanical Parameters," Proceedings of the XVIIth Yugoslav Production Engineering Conference. Oct. 1984, Nis, YU.
5. Kovacevic, R. and Grabowski, H., "Integration of CAD and NC Programming Systems," Proceedings of the Conference on CAD CAM Systems, April 1984, Titograd, YU.
6. Kovacevic. R. and Grabowski, H., "Modern Sheet Metal Processing Methods for Small and Medium Batches " Proceedings of the Conference on CAD/CAM Systems, April 1984, Titograd, YU.
7. Kovacevic, R. and Blecic, S., "Some Structural Elements and Information for a Technological Data Bank on Hot Forming Processes," Proceedings of the International Symposium on Plasticity and Resistance of Metals to Forming, April 1984, Herceg-Novi, YU.
8. Kovacevic, R. and Laufer, H., "Cutting Forces in External Broaching as a Function of Cutting Parameters," Proceedings of the Xth JUPITER Conference, January 1984, Cavtat, YU.
9. Kovacevic. R. and Stanic, J., "Double Plane Grinding of Twist Drills," Proceedings of the IVth Yugoslav Symposium on Machines and Mechanisms - University Research and Applications in Industry, Nov. 1983, Mostar, YU
10. Kovacevic, R. and Stanic, J., "Some Contemporary Devices for the Measuring of Surface Characteristics," Proceedings of the XVIIth Yugoslav Production Engineering Conference, Oct. 1983, Titograd, YU.
11. Kovacevic. R., Stanic, J., and Kalajdzic, M., "The Determination of the Dependence of the Average Tangential Force in Peripheral Milling on the Influencing Factors," Proceedings of the XVII Yugoslav Production Engineering Conference, Oct. 1983, Titograd, YU.
12. Kovacevic, R and Andijasevic, V., "Numerically Controlled Machine Tools for Forming Processes," Proceedings of the 1st Symposium on NC-Technique and Technology, April 1983, Titograd, YU.
13. Kovacevic, R. and Stanic, J., Surface Roughness as an Important Information in Technological Data Banks,"Proceedings of the IXth JUPITER Conference, January 1983, Herceg-Novi, YU.
14. Kovacevic, R. and Stanic, J., "Measurement Systems of Numerically Controlled Machine Tools," Proceedings of the Xth Symposium on Measurement and Measuring Equipment, Oct.1982, Budva, YU.
15. Popovic, I. and Kovacevic, R., "Modern Technology Implemented on CNC Machining Centers," Proceedings of the XVth Yugoslav Production Engineering Conference, Oct. 1982, Mostar, YU.
16. Kovacevic, R., "The Determination of the Influence of Machining Parameters on the Cutting Force Components in Turning," Proceedings of the XVlth Yugoslav Production Engineering Conference, Oct.1982, Mostar, YU.
17. Kovacevic, R. and Stanic, J., "Optimization of Metal Cutting Processes," Proceedings of the XIth Symposium on Production Engineering, March 1982, Herceg-Novi, YU.
18. Kovacevic, R., Funke, P., and Stanic, J., "Determination of the Relationship Between the True Stress and Process Parameters in Hot Forming of Brass CuZn37," Proceedings of the Vlth International Conference on Production Research, Oct.1981, Novi Sad, YU. (in English)
19. Kovacevic, R., "The Optimal Tool Geometry as Basic Information for a Technological Data Bank," Proceedings of the VIIth JUPITER Conference, June 1981, Opatija, YU.
20. Kovacevic, R. and Funke, P., "Determination of the Hot Workability Parameters of Brass CuZn37 by the Hot Torsion Test," Proceedings of the International Scientific Conference, Oct. 1980, Ostrava, Czechoslovakia (in German)
21. Kovacevic, R. and Stanic, J., "The Choice of Optimal Grinding Parameters for Twist Drills," Proceedings of the XIV Yugoslav Production Engineering Conference, Oct. 1980, Cacak, YU.
22. Domazetovic, V. and Kovacevic, R., "On the Investigation of Reliability Functions of Processing Parameters for Deep Drawing," Proceedings of the XIIth Yugoslav Production Engineering Conference, June 1979, Banja Luka, YU.
23. Kovacevic, R. and Sokic, M., "Parameters of Hot Formability as a Basis for Technological Data Banks." Proceedings of the Vth JUPITER Conference, May 1979, Milocer, YU.
24. Kovacevic, R. and Domazetovic, V., "Determination of the Dependency of the True Stress Upon the Factors in Hot Forming," Proceedings of the XIIth Yugoslav Production Engineering Conference, June 1979, Banja Luka, YU.
25. Domazetovic, V. and Kovacevic, R., "Analysis of the Reliability of the Deep Forming Process," Proceedings of the Symposium on Production Engineering, Oct.1978, Bor, YU.
26. Domazetovic, V. and Kovacevic, R., "Analysis of the Reliability of Heating and Cooling Systems in a Wire Factory," Proceedings of the Symposium on Production Engineering, Oct. 1978, Bor, YU.
27. Funke, P. and Kovacevic, R., "Influence of Temperature and Strain Rate on the Formability of Alloy Steels During Hot Forming," Proceedings of the International Symposium on Warm Steel Formability, Sept.1978, Ostrava, Czechoslovakia (in German).
28. Kovacevic, R. and Funke, P., "Determination of True Stress by the Hot Torsion Test," Proceedings of the International Symposium on Warm Steel Formability, Sept. 1978, Ostrava, Czechoslovakia (in German).
29. Kovacevic, R. and Witeck, A., "Contribution to the Investigation of the Behavior of Materials During Hot Forming Processes," Proceedings of the Ist Yugoslav Symposium on Metallurgy, January 1978, Belgrade, YU.
30. Kovacevic, R. and Blecic, S., "Investigation of the Plasticity of Steel S.4570," Proceedings of the Symposium on Rolling Mill Engineering, Oct.1977, Sisak, YU.
31. Blecic. S. and Kovacevic, R., "Analysis of Methods for Testing the Plasticity of Steels at High Temperatures," Proceedings of the Symposium on Rolling Mill Engineering, Oct.1977, Sisak, YU.
32. Kovacevic, R and Blecic, S., "Analysis of Factors Affecting the Plasticity of Steels," Proceedings of the Symposium on Rolling Mill Engineering, Oct.1977, Sisak, YU.
33. Kovacevic, R. and Blecic, S., "The Influence of Temperature and Strain Rate on the True June 1977, Ohrid, YU.
34. Kovacevic, R., "Comparison of the Cutting Properties of Conically and Double-Plane Ground Twist Drills," Proceedings of the Xth Yugoslav Production Engineering Conference, Oct.1975, Belgrade, YU.

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Conference Abstracts

1. Labudovic, M. and Kovacevic, R., "Mechanism of Surface Modification of Ti-6Al-4V," Abstract of Papers of the 80th Annual AWS Welding and Fabrication Exposition, St. Louis, MO, April 12-15, 1999.
2. Zheng, B., Wang, Q., and Kovacevic, R., "Closed Loop Control for Weld Formation Based on the Front Image Signal for the Keyhole in VPPAW of Aluminum Alloys," Abstract of Papers of the 80th Annual AWS Welding and Fabrication Exposition, St. Louis, MO, April 12-15, 1999.
3. Zheng, B., Wang, Q., and Kovacevic, R., "Parameters Optimization for the Generation of a Keyhole Weld Pool During the Start-up Segment in VPPAW of Aluminum Alloys," Abstract of Papers of the 80th Annual AWS Welding and Fabrication Exposition, St. Louis, MO, April 12-15, 1999.
4. Fan, H.G., and Kovacevic, R., "Numerical and Experimental Investigation of Globular Metal Transfer in GMAW," Abstract of Papers of the 80th Annual AWS Welding and Fabrication Exposition, St. Louis, MO, April 12-15, 1999.

1. Mohan, R., and Kovacevic, R., "Performance Enhancement of Super Alloys Using Hybrid Machining Process," Poceedings of the International Conference on Agile Manufacturing, Minneapolis, MN, June 21-23, 1998.
2. Mohan, R., and Kovacevic, R., "Numerical Simulation of Coolant Flow at the Tool-Chip Interface in High-Pressure Waterjet Assisted Milling," Proceedings of the International Conference on Agile Manufacturing, Minneapolis, MN, June 21-23, 1998.
3. Mohan, R., and Kovacevic, R., "FEM Modeling of Virtual Crack Propagation in PPC Pavement Slotted with Abrasive Waterjet," Proceedings of the International Conference on Agile Manufacturing, Minneapolis, MN, June 21-23, 1998.
4. Beardsley, H.E. andKovacevic, R., " Controlling Heat and Metal Transfer for Droplet-Based Rapid Prototyping", accepted for the 79th Annual AWS Convention, Detroit, April 1998.
5. Milacic, M. and Kovacevic, R., "Monitoring and Control of Partial Penetration Depth in CO₂ Laser Beam Welding", accepted for the 79th Annual AWS Convention, Detroit, April 1998.

1. Zhang, Y.M., Liguo, E., and Kovacevic, R., "Active Control of Droplet Growth and Detachment Using Vision Feedback," Abstract of Papers of the 78th Annual AWS Convention, April 14-17, 1997, Los Angeles, CA, pp. 53-54.
2. Mohan, R. and Kovacevic, R., "A Review of Abrasive Waterjet Nozzle Wear Monitoring Techniques", International Conference on Agile Manufacturing, Lafayette, LA, Feb. 23-25, 1997.
3. Mohan, R. and Kovacevic, R., "Monitoring Deposit Thickness and Arc Stability in Electric Arc Spraying", International Conference on Agile Manufacturing, Lafayette, LA, Feb. 23-25, 1997.

1. Mohan, R. and Kovacevic, R., "Acoustic Signals as a Tool for Monitoring Electric Arc Spraying Process," AIAA/ASME Oklahoma Symposium XVI, February 24, 1996, Tulsa, OK.
2. Mohan, R., Kovacevic, R., and Beardsley, H.E., "Infrared Thermography as a Sensing Technique to Monitor Temperature Distribution in AWJ Cutting," AIAA/ASME Oklahoma Symposium XVI, February 24, 1996, Tulsa, OK.
3. Mohan, R. and Kovacevic, R., "Development and Evaluation of High Pressure Waterjet Coolant/Lubricant System for Milling Operation," AIAA/ASME Oklahoma Symposium XVI, Feb. 24, 1996, Tulsa, OK.
4. Mohan, R. and Kovacevic, R., "Improvement of Surface Grinding Performance with High-Speed Coolant Application," AIAA/ASME Oklahoma Symposium XVI, February 24, 1996, Tulsa, Oklahoma.
5. Beardsley, H. E., Kovacevic, R., Zhang, Y. M., "High-Speed Machine Vision for Post-Weld Quality Inspection," The 77th Annual AWS Convention, Chicago, IL, April 22-25, 1996.
6. Kovacevic, R., Li, L., Yao, Y. X., and Zhang, Y. M., "Robust Control of Geometrical Appearance of Weld Pool, The 77th Annual AWS Convention, Chicago, IL, April 22-25, 1996.
7. Zhang, Y. M., Cao, Z. N., and Kovacevic, R., "Numerical Analysis of Dynamic Response of Weld Pool to Welding Parameters,"The 77th Annual AWS Convention, Chicago, IL, April 22-25, 1996.
8. Kovacevic, R., Erlenbeck, M. W., Beardsley, H. E., and Zhang, Y. M., "Real-Time Image Acquisition and Processing of Metal Transfer," The 77th Annual AWS Convention, Chicago, IL, April 22-25 1996

1. Kovacevic, R., Mohan, R., and Zhang, Y. M., "Monitoring of Plasma Arc Welding Process Using Machine Vision and Acoustic Signatures," The 76th American Welding Society Convention, Apr. 4 - 6, 1995, Cleveland, OH, pp. 115-116.
2. Kovacevic, R., Zhang, Y. M., and Beardsley, H. E., "Direct Observation and Real-Time Extraction of 3D Weld Pool Surface," The 76th American Welding Society Convention, Apr. 4 - 6, 1995, Cleveland, OH, pp. 14-15.
3. Zhang, Y. M. and Kovacevic, R., "Dynamic Identification of GTAW Process," The 76th American Welding Society Convention, Apr. 4 - 6, 1995, Cleveland, OH, pp. 15-16.
4. Mohan, R., Murugesan, M, and Kovacevic, R., "A New Approach in Investigating Electric Arc Spraying Process," Proc. of the 76th Annual AWS Convention, Cleveland, OH, April 2-7, 1995, pp. 184-186.

1. Yong, Z., Hanson, M. T., and Kovacevic, R., "Topological Measure of Brittle Fragmentation," Proceedings of the Joint ASCE/ASME/SES Mechanics Conference, Charlottesville, VA, June 6-9 1993.
2. Kovacevic R., Zhang, Y. M., and Beardsley, H. E., "Infrared Sensing of Welding Parameters for Weld Penetration Control," The 74th Annual American Welding Society Convention, April. 25 30, 1993, Houston, TX, pp. 9-10.
3. Zhang, Y. M., Kovacevic, R., and Wu, L., "Sensing of Full Weld Penetration Based on 3D Vision," The 74th Annual American Welding Society Convention, Apr. 25 - 30,1993, Houston, TX, pp. 8-9.

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Conference Papers Submitted:

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Books

1. Momber, A. and Kovacevic, R., "Principles of Abrasive Water Jet Machining Technology", Springer-Verlag, London, February 1998.
2. Kovacevic, R., Numerically Controlled Machine Tools and Their Programming, "Scientific Book", Belgrade, YU, 1987.
3. Kovacevic R. and Stanic, J., Flexible Manufacturing Systems, "Scientific Book", Belgrade, YU, 1987.
4. Stanic, J., Kalajdzic, M., and Kovacevic, R., Measurement Techniques in Metal Cutting Technology, "Construction Book", Belgrade, YU, 1983.
5. Kovacevic, R., Pop