U.S. PATENT

• R. Judd, J. White, P. Hickman, M. Brown and J. Sauter, “Method and Apparatus for Simulating a Factory System,” No. 5,247,650, September 23, 1993.
  
  
• J. Greenblatt, S. Waldon,  R. Judd, “Data Exchange by Processing Data by Subdivision,” Patent application submitted May 25, 2006.
  
  

       PUBLICATIONS

• D. A. Koonce, R. P. Gandhi, A. N. Nambiar, R. P. Judd, Identifying and Removing Error in Hierarchical Cost Estimates, International Journal of Production Economics, pp 41-52, September 2007.
  
  
• Wenle Zhang and Robert P. Judd, “Deadlock Avoidance for Flexible Manufacturing Systems with Choices Based on Digraph Circuit Analysis”, Asian Journal of Control, Vol. 9, No. 2, 2007, pp. 111-120.
  
  
• A. N. Nambiar, R. P. Judd, Scheduling and Buffer Allocation for Cyclic Permutation Flow-Shops using Max-Plus based Formulation, Proceedings of The 16th Industrial Engineering Research Conference IERC 2007 CD ROM, Nashville, TN, May 19-23, 2007.
  
  
• Young, William A., Dale T. Masel, and Robert P. Judd, "Learning Rates with Confidence Limits for Part Families from Noisy Data." 2006 Industrial Engineering Research Conference, May 2006, Orlando, Florida.
  
  
• Masel, Dale T. and Robert P. Judd, "A Method for Bottoms-Up Cost Estimation with Parametric Inputs." 2006 Industrial Engineering Research Conference, May 2006, Orlando, Florida.
  
  
• Wenle Zhang and Robert Judd, “Deadlock avoidance algorithm for flexible manufacturing systems by calculating the effective free space od circuits,” Proceedings of the 2005 ACC, June 8-10, Portland Oregon.
  
  
• Robert Judd, Frank Drews, Douglas Lawrence, David Juedes, William Leal, Jayram Deshpande, Lonnie Welch, “QoS-Based Resource Allocation in Dynamic Real-Time Systems,” Proceedings of the 2005 ACC, June 8-10, Portland Oregon.
  
  
• Raju Ghandi, David Koonce, and Robert Judd, “Calibration and algorithmic approach,” Proceedings of the 2005 Conference on Next Generation Concurrent Engineering, July 25-29, 2005, Fort Worth, Texas.
  
  
• Dusan Sormaz, David Koonce, and Robert Judd, “Manufacturing knowledge capture for FIPER cost estimation tool,” Proceedings of the 2005 Conference on Next Generation Concurrent Engineering, July 25-29, 2005, Fort Worth, Texas.
  
  
• Keynote speaker for the Conference on Next Generation Concurrent Engineering, July 25-29, 2005, Fort Worth, Texas.  Title of talk “Data Exchange among legacy codes in a service based environment.”  The paper was co-authored with Arun Nambiar and Judah Greenblatt.
  
  
• Wenle Zhang, Robert P. Judd and Paul Deering, "Necessary And Sufficient Conditions For Deadlocks In Flexible Manufacturing Systems Based On A Digraph Model", Asian Journal of Control, Vol. 6, No. 2, 2004.
  
  
• David. A. Koonce, Dusan N. Sormaz, Dale T. Masel and Robert P. Judd, Cost Estimation Methodology using Hybrid Hierarchical Approach, Proceedings of the IIE 2004 Annual Conference, Houston, TX, 2004.
  
  
• Dusan N. Sormaz, Robert. P. Judd, David. A. Koonce and Arun Nambiar, Development of Cost Library for Manufacturing Processes in Cost Estimation Tool, Proceedings of the IIE 2004 Annual Conference, Houston, TX, 2004.
  
  
• Wenle Zhang, Robert P. Judd, "Deadlock Avoidance For Flexible Manufacturing Systems With Choices Based On Digraph Circuit Analysis", Proceedings of the 2004 American Control Conference, pp. 3333-3338, Jun 29-Jul 2, 2004, Boston.
  
  
• D. Koonce, R Judd, D Sormaz and D Masel, “A Hierarchical Cost Estimation Tool,” Computers in Industry, Vol. 50, pp. 293-302, 2003.
  
  
• W Zhang, R. Judd and P Deering, “Evaluating Order Of Circuits For Deadlock Avoidance In A Flexible Manufacturing System”, Proceedings of the 2003 American Control Conference, pp. 3679-3683, June 2003, Denver.
  
  
• R. Judd, W. Zhang and R. Lipset, “Deadlock avoidance in manufacturing systems with a multiple resource request model,” Proceedings of the 2002 American Control Conference, pp. 4443-4449, May 8-10, 2002, Anchorage, AK.
• W. Zhang, R. Judd and R. Lipset, “Synthesize Deadlock Free Digraph Models for the Simulation of Flexible Manufacturing Systems,” Proceedings of the 2002 Summer Computer Simulation Conference, July 14-18, 2002, San Diego, CA.
  
  
• D. Koonce and R. Judd, “A Visual Modeling Language for EXPRESS Schemata,” International Journal of Computer Integrated Manufacturing, V. 14, N. 5, 2001.
  
  
• A. Trasi, D. Koonce and R. Judd, “Cost Estimation with Feature Recognition,” Proceedings of the 5th International Conference on Engineering Design and Automation, pp. 208-222, 2001, Las Vegas, NV.
  
  
• R. Lipset, R. Judd and W. Zhang, “Deadlock Avoidance in Manufacturing Systems With Non-Deterministic Part Routings,” Proceedings of the 2001 American Control Conference, pp. 4930-4936, June 25-27, 2001, Arlington, VA.
  
  
• Q. Ma, R. Judd and R. Lipset, “Distributed Manufacturing Simulation Environment,” Proceedings of the 2001 Summer Computer Simulation Conference, July 15-19, 2001, Orlando, FL.
  
  
• R. Judd, W. Zhang, P. Deering and R. Lipset, “A Scalable Deadlock Avoidance Algorithm for Flexible Manufacturing Systems With Free Choice in Part Routing,” Proceedings of the 2000 American Control Conference, pp. 3545-3548, June 28-30, 2000, Chicago, IL.
  
  
• D. Koonce, R. Judd, T. Keyser, B. VerDuin, M. Bailey, R. Kolonay, B. Wujek, N. Cawley and M. Benjamin, “A Federated Intelligent Product Environment (FIPER),” Proceedings of The 4th International Conference on Engineering Design and Automation, pp. 106-109, 2000, Orlando, FL.
  
  
• D. Koonce, R. Judd and T. Keyser, “A Cost estimation tool integrated into FIPER,” Proceedings of The Fourth International Conference on Design of Information Infrastructure Systems for Manufacturing, Nov. 2000, Melbourne, Australia.
  
  
• R. Judd, W. Zhang and R. Lipset, “A Scalable Deadlock Avoidance Algorithm for Flexible Manufacturing Systems With Mixed Choices in Part Routing,” Proceedings of the 2000 Summer Computer Simulation Conference, pp. 135-141, July 16-20, 2000, Vancouver, BC.
  
  
• R. Judd, P. Deering and R. Lipset, “A Deadlock Avoidance and Scheduling Algorithm for Simulation of Product Flow in a Flexible Manufacturing System,” Proceedings of the 2000 Summer Computer Simulation Conference, pp. 797-802, July 16-20, 2000, Vancouver, BC.