D. Roy and A. Raman, An Analytical Modeling Framework for Determining the Optimal Table Mix in Restaurants, 15th IFAC Symposium on Information Control Problems in Manufacturing, May 11-13, 2015, Ottawa Convention Centre, Ottawa, Canada
N. Kumar, R.P. Agrahari, and D. Roy, Review of Green Supply Chain Processes, 15th IFAC Symposium on Information Control Problems in Manufacturing, May 11-13, 2015, Ottawa Convention Centre, Ottawa, Canada
D. Roy and V. Dhingra, Performance Analysis of Warehouse Systems with Dynamic Batching, 15th IFAC Symposium on Information Control Problems in Manufacturing, May 11-13, 2015, Ottawa Convention Centre, Ottawa, Canada
D. Roy, J.A. Pazour, and R. de Koster. Design of repositioning policies to maximize rental profits, POMS World Conference, Amsterdam, July 1-5, 2012.
D. Roy and A. Krishnamurthy. Performance Analysis of Unit-load Transfer Systems in Multi-Tier Warehouses with Autonomous Vehicles. Proceedings of the 44th CIRP Conference on Manufacturing Systems, Madison, WI, USA, June 1-3, 2011.
D. Roy and A. Krishnamurthy. Queuing Models for Unit-Load Warehouse Systems using Autonomous Vehicles. Proceedings of the 8th Stochastic Models of Manufacturing and Service Operations Conference, Kuşadasi, İzmir, Turkey, May 28-June 2, 2011.
D. Roy and A. Krishnamurthy. Improving Throughput Capacity in Multi-tier Warehouses with Autonomous Vehicles. Proceedings of the 2011 Industrial Engineering Research Conference, Reno, NV, USA, May 21-25, 2011.
D. Roy, A. Krishnamurthy, S.S. Heragu and C.J. Malmborg. Vehicle Interference Effects in Warehousing Systems with Autonomous Vehicles. Proceedings of IEEE Conference on Automation Science and Engineering, Toronto, Canada, August 21-24, 2010.
D. Roy, A. Krishnamurthy, S.S. Heragu and C.J. Malmborg. Design Insights for an Autonomous Vehicles-based Storage and Retrieval System. Proceedings of the 2009 Industrial Engineering Research Conference, Miami, FL, USA, May 30-June 3, 2009.
D. Roy, A. Krishnamurthy, S.S. Heragu and C.J. Malmborg. Design Insights for Warehouses based on Autonomous Vehicle Technology (Extended Abstract), Proceedings of the 2009 M&SOM Conference, Boston, MA, USA, June 28-30, 2009.
A. Krishnamurthy, D. Roy, S.S. Heragu and C.J. Malmborg. Design and Operational Insights for Autonomous Vehicle based Storage and Retrieval Systems, Proceedings of the 2009 International Conference on Value Chain Sustainability, Louisville, KY, USA, October 19-21, 2009.
D. Roy, A. Krishnamurthy, S.S. Heragu and C.J. Malmborg. Impact of zones on Throughput and Cycle Times in Warehouses with Autonomous Vehicles and Retrieval System, Proceedings of IEEE Conference on Automation Science and Engineering, Bangalore, India, August 22-25, 2009.
D. Roy and N.R.S. Raghavan. A Nash Bargaining Solution to the Supply Rationing Problem, Proceedings of International Conference on Energy, Automation and Information Technology, IIT, Kharagpur, India, December 8-12, 2001.
D. Roy, M.K. Tiwari, R.K. Ohdar and R. Shankar. Evaluation of Supplier Performance: An Approach Based on Evolutionary Fuzzy Systems, Proceedings of First Global Conference on Flexible System Management, New Delhi, India, December 17-20, 2000.
U.M.B.S. Sarma, D. Roy, U.P.S Bhushan, M.K. Tiwari, and R. Shankar. Resolving Complexities of Synchronization Issues of a Supply Chain using Simulated Annealing Based Six Sigma Constrained Approach, Proceedings of First Global Conference on Flexible System Management, New Delhi, India, December 17-20, 2000.
M.K. Tiwari, S.K. Tiwari, D. Roy, N.K. Vidyarthi, S.Kameshwaran, A Genetic Algorithm Based Approach to Solve Process Plan Selection Problems, Proceedings of the Second International Conference on Intelligent Processing and Manufacturing of Materials, Honolulu, HI , USA, July 10-15 1999.
CONFERENCE PRESENTATIONS (Only Abstracts)
D. Roy and A. Krishnamurthy. Analyzing Flexible Design Configurations in Autonomous Vehicles-based Warehouses. INFORMS, Austin, TX, November 7-10, 2010.
D. Roy, A. Krishnamurthy, S.S. Heragu and C.J. Malmborg. Vehicle Interference Effects in Autonomous Vehicles based Warehousing Systems. INFORMS, San Diego, CA, October 11-14, 2009.
D. Roy and K. Brown. MCT: Map Your Lead Times - See the Opportunities. Proceedings of 9th International Conference on Quick Response Manufacturing, Madison, WI, June 14-16, 2009.
D. Roy, A. Krishnamurthy, S.S. Heragu and C.J. Malmborg. Effect of Cross-aisle and Zoning on Performance of an Autonomous Vehicles-based Storage and Retrieval System. POMS, Orlando, FL, May 1-4, 2009.
D. Roy and A. Krishnamurthy. Performance Analysis of Alternate Designs for Autonomous Vehicle based Storage and Retrieval Systems. INFORMS, Washington, DC, October 12-15, 2008.
