Neil Duffie

Professor Emeritus

Room: 2274
Mechanical Engineering Building
1513 University Avenue
Madison, WI 53706

Ph: (608) 262-3543
Fax: (608) 265-2316
neil.duffie@wisc.edu


Profile Summary

Neil A. Duffie received his PhD in Mechanical Engineering in 1980, M.S. in Engineering in 1976, and B.S. in Computer Science in 1974, all from the University of Wisconsin-Madison, Madison, Wisconsin, USA. He is Professor and past Chair in the Department of Mechanical Engineering of the University of Wisconsin-Madison. His main research interests are distributed system control and manufacturing process automation.

Professor Duffie is a Fellow of ASME, CIRP and SME. He has served on the Council of the CIRP, as chair of its committee of US Fellows, as chair of its Scientific Technical Committee for Production Systems and Organizations, and on its Editorial Committee. He is a Past President of the Society of Manufacturing Engineers (2008). In 2008 he was Mercator Guest Professor at the University of Bremen, Germany. He has been a visiting researcher for various periods during the last 10 years at the University of Bremen, University of Hannover, Jacobs University, and the University of Stuttgart. In 2012 he received the SME Frederick W. Taylor Research Medal for publishing significant seminal research findings based on the application of modern control theory to manufacturing operations leading to a better understanding of processes, equipment and facilities.

Education

  • BS, 1972, Computer Science, University of Wisconsin-Madison
  • MS, 1974, Engineering, University of Wisconsin-Madison
  • PhD, 1980, Mechanical Engineering, University of Wisconsin-Madison

Research Interests

  • robotics
  • computer control
  • manufacturing systems
  • manufacturing logistics
  • computer-integrated manufacturing

Awards, Honors and Societies

  • SME Outstanding Young Manufacturing Engineer Award, 1984
  • Fellow of SME, 1998
  • SME President, 2008
  • Fellow of CIRP (International Academy for Production Engineering), 1999
  • Fellow of ASME, 2006
  • Mercator Professorship, German Research Foundation, 2008
  • SME Frederick W. Taylor Research Medal, 2012
  • Editor-In-Chief, SME Journal of Manufacturing Systems, 2014-present

Publications

(last 10 years)

  • Ngo, Chi; Duffie, Neil A.; Perry, Tyler L.: \"Generation of Highly Repetitive Irregular Motion for Surface Finishing Processes,\" Transactions of NAMRI/SME, Vol. 34, 2006, pp. 413-419.
  • Kim, Jin-Hyung; Duffie, Neil A.: \"Performance of Coupled Closed-Loop Workstation Capacity Controls in a Multi-Workstation Production System,\" CIRP Annals - Manufacturing Technology, Vol. 55/1/2006, pp. 449-452.
  • Wiendahl, H.-P.; ElMaraghy, H. A.; Nyhuis, P.; Zaeh, M. F.; Wiendahl, H.-H.; Duffie, N.; Brieke, M.: \"Changeable Manufacturing - Classification, Design and Operation,\" CIRP Annals - Manufacturing Technology, Vol. 56/2/2007, pp. 783-809.
  • Duffie, N.A.; Roy, D.; Shi, L.: \"Dynamic Modeling of Production Networks of Autonomous Work Systems with Local Capacity Control,\" CIRP Annals - Manufacturing Technology, Vol. 57/1/2008, pp. 463-466.
  • Perry, Tyler L.; Werschmoeller, Dirk; Li, Xiaochun; Pfefferkorn, Frank E.; Duffie, Neil A.: \"Pulsed Laser Micro Polishing of Microfabricated Nickel and Ti6Al4V Samples,\" Proc. of ASME Intl. Conf. on Mfg. Sci. and Engr., Evanston, IL, Oct. 7-10, 2008.
  • Tao, W.; Shi, L.; Quirt, B.; Duffie, N.A.: \"Integrated Dynamic and Simulation Model on Coupled Closed-Loop Workstation Capacity Controls in a Multi-Workstation Production System,\" Proc. of the 40th Conf. on Winter Simulation, Miami, FL, Dec. 7-10, 2008, pp. 1946-1951.
  • Perry, Tyler L.; Werschmoeller, Dirk; Duffie, Neil A.; Li, Xiaochun; Pfefferkorn, Frank E.: \"Examination of Selective Pulsed Laser Micropolishing on Microfabricated Nickel Samples Using Spatial Frequency Analysis,\" ASME J. of Mfg. Sci. & Engr., Vol. 131, No. 2, 2009.
  • Perry, Tyler L.; Werschmoeller, Dirk; Li, Xiaochun; Pfefferkorn, Frank E.; Duffie, Neil A.: \"The Effect of Laser Pulse Duration and Feedrate on Pulsed Laser Polishing of Nickel Samples,\" ASME J. of Mfg. Sci. & Engr., Vol. 131, No. 3, 2009.
  • Duffie, N.A.; Shi, L.: \"Maintaining Constant WIP-Regulation Dynamics in Production Networks with Autonomous Work Systems,\" CIRP Annals - Manufacturing Technology, Vol. 58/1/2009, pp. 399-402.
  • Perry, Tyler L.; Werschmoeller, Dirk; Li, Xiaochun; Pfefferkorn, Frank E.; Duffie, Neil A.: \"Pulsed Laser Polishing of Micromilled Ti6Al4V Samples,\" SME J. of Manufacturing Processes, Vol. 11, No. 2, 2009, pp. 74-81.
  • Smith, B.B.; Wolf, D.M.; Turner, K.T.; Duffie, N.A.; Li, X.; Pfefferkorn, F.E.: \"Laser Polishing of Micro-Machined Microfluidic Molds,\" Proc. of 5th Intl. Conf. on Micromanufacturing (ICOMM/4M 2010), Madison, WI, April 5-8, 2010, pp.445-451.
  • Fehrenbacher, A.; Duffie, N.A.; Ferrier, N.J.; Zinn, M.R.; Pfefferkorn, F.E.: \"Temperature Measurement and Closed-Loop Control in Friction Stir Welding,\" to appear in Proc. of 8th Intl. Friction Stir Welding Symp., Timmendorfer Strand, Germany, May 18-20, 2010.
  • Duffie, N. A., Shi, L.: \"Dynamics of WIP Regulation in Large Production Networks of Autonomous Work Systems,\" IEEE Trans. on Automation Science & Engineering, Vol. 7, No. 3, 2010, 665-670.
  • Wu, Tao; Shi, Leyuan; Duffie, Neil; \"A HMP-MP Approach for the Capacitated Multi-Item Lot Sizing Problem with Setup Times,\" IEEE Trans. on Automation Science & Engineering, Vol. 7, No. 3, 2010, pp. 500-511.
  • Karimi, H.R.; Duffie, N.A.; Dashkovskiy, S: \"Local Capacity H∞ Control for Production Networks of Autonomous Work Systems with Time-Varying Delays,\" IEEE Trans. on Automation Science & Engineering, Vol. 7, No. 4, 2010, pp. 849-857.
  • Toshniwal, V.; Duffie, N.; Jagalski, T.; Rekersbrink, H.; Scholz-Reiter, B.; “Assessment of Fidelity of Control-Theoretic Models of WIP Regulation in Networks of Autonomous Work Systems,” CIRP Annals - Manufacturing Technology, Vol. 60, No. 1, 2011, pp. 485-488.
  • Jeken, O.; Duffie, N.; Windt, K.; Rekersbrink, H.; “Dynamics of Autonomously-Acting Parts and Work Systems in Production and Assembly,” Proc. of the 44th CIRP Conference on Manufacturing Systems, Madison, WI, June 1-3, 2011.
  • Fehrenbacher, A.; Duffie, N.A.; Ferrier, N.J.; Pfefferkorn, F.E.; Zinn, M.R.; “Towards Automation of Friction Stir Welding Through Temperature Measurement and Closed-Loop Control,” ASME J. of Manufacturing Science and Engineering, Vol. 133, No. 5, 2011.
  • Fehrenbacher, A.; Duffie, N.A.; Ferrier, N.J.; Pfefferkorn, F.E.; Zinn, M.R.; \"Enhancing Friction Stir Welding Through Temperature Control\", Proc. of AMSE International Manufacturing Science and Engineering Conference: MSEC2011, Corvallis, OR, June 13-17, 2011
  • Cole, E.G.; Fehrenbacher, A.; Zinn, M.R.; Ferrier, N.J.; Duffie, N.A; Pfefferkorn, F.E.; “ Process Control of Friction Stir Welding for Different Aluminum Alloys”, Proc. of the TMS Annual Meeting, San Diego, CA, Feb. 27-Mar 3, 2011.
  • Vadali, M.; Ma, C.; Duffie, N.A.; Li, X.; Pfefferkorn, F.E.; “Pulsed Laser Micro Polishing: An analytical method for predicting surface finish,” Proc. of AMSE International Manufacturing Science and Engineering Conference: MSEC2011, Corvallis, OR, June 13-17, 2011.
  • Vadali, Madhu; Ma, Chao; Duffie, Neil; Li, Xiaochun; Pfefferkorn, Frank; “Model Guided Pulsed Laser Micro Polishing of H13 Tool Steel,” Proc. of the 44th CIRP Conference on Manufacturing Systems, Madison, WI, June 1-3, 2011.
  • Vadali, M.; Ma, C.; Duffie, N.A.; Li, X.; Pfefferkorn, F.E.; “Pulsed Laser Micro Polishing: Surface Prediction Model,” International Conference on MicroManufacturing (ICOMM), Tokyo, Japan, March 7-10, 2011, pp. 331-338 (Outstanding Paper Award).
  • Duffie, N. A. (Ed.); Special issue from 44th CIRP Conference on Manufacturing Systems, CIRP J. of Mfg. Sci. & Tech, Vol. 5, No. 4, 2012.
  • Duffie, N.; Fenske, J.; Vadali, M.; “Coordination of Capacity Adjustment Modes in Work Systems with Autonomous WIP Regulation,” Logistics Research, Vol. 5, No. 3, 2012, pp. 99-104: DOI 10.1007/s12159-012-0088-7. Also Proc. of Intl. Conf. on Robust Manufacturing Control (RoMaC), Bremen Germany, June 18-20, 2012.
  • Jeken, O.; Duffie, N.; Windt, K.; Blunck, H.; Chehade, A.; Rekersbrink, H.; “Dynamics of Autonomously-Acting Parts and Work Systems in Production and Assembly,” CIRP J. of Mfg. Sci. & Tech., Vol. 5, 2012, pp/ 267-275, DOI 10.1016/j.cirpj.2012.09.012.
  • Bakke, T.; Karimi, H.; Duffie, N.; “Gain Scheduling for Output H Control of Offshore Wind Turbine,” Proc. of 22nd Intl. Offshore and Polar Engr. Conf., Rhodes, Greece, June 17-22, 2012, pp. 496-501.
  • Vadali, M.; Ma, C.; Duffie, N. A.; Li, X.; Pfefferkorn, F. E.; \"Pulsed Laser Micro Polishing: Surface Prediction Model,\" SME Journal of Manufacturing Technology, Vol. 14, 2012, pp. 307-315. DOI 10.1016/j.jmapro.2012.03.001.
  • Pfefferkorn, F. E.; Duffie, N. A.; Li, X.; Vadali, M.; Ma, C.; “Improving surface finish in pulsed laser micro polishing using thermocapillary flow,” CIRP Annals – Manufacturing Technology, Vol. 62/1, 2013, pp. 203-206.
  • Fehrenbacher, A.; Smith, C.; Duffie, N.; Ferrier, N.; Pfefferkorn, F.; Zinn, M.; “Combined Temperature and Force Control for Robotic Friction Stir Welding,” Proc. of ASME Intl. Mfg. Sci. and Engr. Conf. (MSEC), Madison, WI, June 10-14, 2013.
  • Ma, C.; Vadali, M.; Duffie, N.; Pfefferkorn, F. E.; Li, X.; “Melt Pool Flow and Surface Evolution during Pulsed Laser Micro Polishing of Ti6Al4V,” Proc. of ASME Intl. Mfg. Sci. and Engr. Conf. (MSEC), Madison, WI, June 10-14, 2013.
  • Ma, C.; Chen, L.; X,u J.; Fehrenbacher, A.; Li, Y,; Pfefferkorn, F. E.; Duffie, N. A.; Zheng, J,; Li, X.; “Effect of fabrication and processing technology on the biodegradability of magnesium nanocomposites,” J. of Biomed. Mater. Res. Part B: Applied Biomaterials, 2013:00B:000–000.
  • Vadali, M.; Ma, C.; Duffie, N. A.; Li, X.; Pfefferkorn, F. E.; “Effects of Pulse Duration on Laser Micro Polishing,” accepted for publication in ASME J. of Micro and Nano-Manufacturing, Jan. 2013.
  • Shultz, E.F.; Fehrenbacher, A.; Pfefferkorn, F.E.; Zinn, M.R.; Duffie, N.A.; Ferrier, N.J. 2013, “Shared Control of Robotic Friction Stir Welding in the Presence of Imperfect Joint Fit-up,” SME J. of Mfg. Processes, Vol. 15, No. 1, 2013, pp. 25-33, DOI: 10.1016/j.jmapro.2012.07.002.
  • Shrivastava A.; Zinn M.; Duffie N.A.; Pfefferkorn F.E.; Ferrier N.J.; Smith C.B.; “Physics-based Process Model Approach for Detecting Discontinuity during Friction Stir Welding,” 10th Intl. Friction Stir Welding Symp. May, 2014, Bejing, China.
  • Ma, C.; Vadali, M.; Li, X.; Duffie, N.A.; Pfefferkorn, F.E.; “Analytical and Experimental Investigation of Thermocapillary Flow in Pulsed Laser Micro Polishing,” ASME J. of Micro and Nano Mfg., Vol. 2, No. 2, 2014, DOI: 10.1115/1.4027433.
  • Pfefferkorn, F.E.; Duffie, N.A.; Morrow, J.D.; Wang, Q.; “Effect of Beam Diameter on Pulsed Laser Polishing of S7 Tool Steel,” CIRP Annals – Manufacturing Technology, Vol. 63, No. 1, 2014, pp. 237–240, DOI: 10.1016/j.cirp.2014.03.055.
  • Chehade, A.; Duffie, N.; Optimal Dynamic Behavior of Adaptive WIP Regulation with Multiple Modes of Capacity Adjustment, Procedia CIRP, Vol. 19, 2014, DOI: 10.1016/j.procir.2014.05.002, pp. 168-173. Also Proc. of 2nd Robust Manufacturing Conference (RoMaC 2014), Bremen, Germany, July 7-9, 2014.
  • Genc, E.; Duffie, N.; Reinhart, G.; “Event-Based Supply Chain Early Warning System for an Adaptive Production Control,” Procedia CIRP, Vol. 19, 2014, pp. 39-44, DOI: 10.1016/j.procir.2014.04.076. Also Proc. of 2nd Robust Manufacturing Conference (RoMaC 2014), Bremen, Germany, July 7-9, 2014.
  • Falu, I.; Duffie, N.; “Adaptive Due Date Deviation Regulation Using Capacity and Order Release Time Adjustment,” Procedia CIRP, Vol. 17, 2014, pp. 398–403, DOI: 10.1016/j.procir.2014.01.073. Also Proc. of 44th CIRP Conf. on Mfg. Sys., Windsor, ON, April 28-30, 2014.
  • Duffie, N.; Chehade, A.; Athavale, A.; “Control Theoretical Modeling of Transient Behavior of Production Planning and Control: A Review,” Procedia CIRP, Vol. 17, 2014, pp. 20-25, DOI: 10.1016/j.procir.2014.01.099. Also Proc. of 44th CIRP Conf. on Mfg. Sys., Windsor, ON, April 28-30, 2014. (also keynote presentation)
  • Fehrenbacher, A.; Smith, C.B.; Duffie, N.A.; Ferrier, N.J.; Pfefferkorn, F.E.; Zinn, M.R.; “Combined Temperature And Force Control For Robotic Friction Stir Welding,” ASME J. of Mfg. Sci. and Engr., Vol. 136, No. 2, 2014, DOI: 10.1115/1.4025912.
  • Qinghua, W.; Morrow, J.D.; Duffie, N.A.; Pfefferkorn, F.E.; “Effects of Initial Surface Texture on Pulsed Laser Micro Polishing of S7 Tool Steel,” to appear in Proc. of 4M / Intl. Conf. on Multi-Material Mfg. (4M/ICOMM2015), Milan, Italy, March 3-April 2, 2015.
  • Morrow, J.D; Qinghua, W; Duffie, N.A.; Pfefferkorn, F.E.; “A Hybrid Surface Processing Method Using Surface Alloying and Pulsed Laser Micro Melting on S7 Tool Steel,” to appear in Proc. of the ASME Mfg. Sci. and Engr. Conf. (MSEC), Charlotte, NC, June 8 - 12, 2015.
  • Qinghua, W.; Morrow, J.D.; Duffie, N.A.; Pfefferkorn, F.E.; “Surface Prediction Model for Thermocapillary Regime Pulsed Laser Micro Polishing of Metals,” to appear in Proc. of 43rd SME North Am. Mfg. Res. Conf. (NAMRC 43), Charlotte, NC, June 8 - 12, 2015; also SME J. of Mfg. Processes, May, 2015, DOI: 10.1016/j.jmapro.2015.05.005.
  • Shrivastava, A.; Zinn, M.; Duffie, N.; Ferrier, N.; Pfefferkorn, F.; “Analysis of Force Transients during Friction Stir Welding,” Proc. of 43rd SME North Am. Mfg. Res. Conf. (NAMRC 43), Charlotte, NC, June 8-12, 2015.
  • Fehrenbacher, A.; Duffie, N.A.; Ferrier, N.J.; Pfefferkorn, F.E.; Zinn, M.R.;  Closed-Loop Control of Temperature in Friction Stir Welding and its Effect on Weld Quality,” to appear in Intl. J. of Adv. Mfg. Tech., 2015.
  • Freitag, M.; Becker, T.; Duffie, N.A.; “Dynamics of resource sharing in production networks,” CIRP Annals-Manufacturing Technology, Vol. 64, No. 1, 2015, DOI:10.1016/j.cirp.2015.04.124.
  • Shrivastava, A.; Zinn, M.; Duffie, N.A.; Smith, C.B.; Pfefferkorn, F.E.; “Towards Force Measurement based Discontinuity Detection during Friction Stir Welding,” Intl. Conf. on Precision, Meso, Micro, and Nano Engr., December, 2015, Mumbai, India.
  • Franke, D.; Morrow, J.; Duffie, N.; Zinn, M.; Pfefferkorn, F.; “Towards improved hybrid joining of aluminum alloys to carbon fiber composites with friction stir welding,” Proc. of ASME Mfg. Sci. and Engr. Conf. (MSEC), Blackburg, VA, June 27-July 1, 2016. (best paper award)
  • Duffie, N.; Bendul, J.; Windt, K.; Knollmann, M.; “Lead time planning instability and its mitigation in production work systems,” CIRP Annals-Manufacturing Technology, Vol. 65, No. 1, 2016, pp. 437-440, DOI: 10.1016/j.cirp.2016.04.120.

Courses

Summer 2016

  • ME 491 - Mechanical Engineering Projects I

  • ME 699 - Advanced Independent Study
  • ME 747 - Advanced Computer Control of Machines and Processes
  • ME 790 - Master\'s Research and Thesis
  • ME 890 - PhD Research and Thesis
  • ME 990 - Dissertator Research and Thesis
  • ME 999 - Advanced Independent Study
  • ME 446 - Automatic Controls
  • ME 447 - Computer Control of Machines and Processes
  • EPD 629 - Engine Systems and Controls
  • ME 699 - Advanced Independent Study
  • ME 747 - Advanced Computer Control of Machines and Processes
  • ME 790 - Master\'s Research and Thesis
  • ME 890 - PhD Research and Thesis
  • ME 990 - Dissertator Research and Thesis
  • ME 446 - Automatic Controls
  • Profile Summary

    Neil A. Duffie received his PhD in Mechanical Engineering in 1980, M.S. in Engineering in 1976, and B.S. in Computer Science in 1974, all from the University of Wisconsin-Madison, Madison, Wisconsin, USA. He is Professor and past Chair in the Department of Mechanical Engineering of the University of Wisconsin-Madison. His main research interests are distributed system control and manufacturing process automation.

    Professor Duffie is a Fellow of ASME, CIRP and SME. He has served on the Council of the CIRP, as chair of its committee of US Fellows, as chair of its Scientific Technical Committee for Production Systems and Organizations, and on its Editorial Committee. He is a Past President of the Society of Manufacturing Engineers (2008). In 2008 he was Mercator Guest Professor at the University of Bremen, Germany. He has been a visiting researcher for various periods during the last 10 years at the University of Bremen, University of Hannover, Jacobs University, and the University of Stuttgart. In 2012 he received the SME Frederick W. Taylor Research Medal for publishing significant seminal research findings based on the application of modern control theory to manufacturing operations leading to a better understanding of processes, equipment and facilities.


    Update Profile