G. L. Kumawat and D. Roy , A new solution approach for multi-stage semi-open queuing networks: an application in shuttle-based compact storage systems Computers and Operations Research (2020)
Jan-Kees van Ommeren, Niek Baer, Nishant Mishra, and Debjit Roy, Batch service systems with heterogeneous servers, Queueing Systems and Applications (2020)
V. Dhingra, G. Kumawat, D. Roy, and R. de Koster, Solving Semi-open Queuing Networks with Time-varying Arrivals: An Application in Container Terminal Landside Operations, European Journal of Operational Research (2018)
Logistics and Distribution Systems
T. Lamballais, D. Roy, R. de Koster, Inventory Allocation in Robotic Mobile Fulfillment Systems, IISE Transactions (2019)
D. Roy, S. Nigam, R. de Koster, I. Adan, and J. Resing, Robot-Storage Zone Assignment Strategies in Mobile Fulfillment Systems, Transportation Research Part E: Logistics and Transportation Review (2018)
E. Tappia, D. Roy, R. de Koster, M. Melacini, Integrated Storage-order Picking Systems: Technology, Performance Models, and Design Insights, European Journal of Operational Research (2018)
K. Azadeh, D. Roy, R. de Koster, Design, Modeling, and Analysis of Vertical Robotic Storage and Retrieval Systems, Transportation Science (2018)
K. Azadeh, R. de Koster, D. Roy, Robotized and Automated Warehouse Systems: Developments and Research Opportunities, Transportation Science (2018)
A. Kumar, D. Roy, V. Verter, and D. Sharma, Integrated Fleet Mix and Routing Decision for Hazmat Transportation: A Developing Country Perspective, European Journal of Operational Research, 264(1), 225-238 (2018)
S. S. Mofidi, J. Pazour, and D. Roy, Proactive vs. Reactive Order-Fulfillment Resource Allocation for Sea-based Logistics, Transportation Research Part E: Logistics and Transportation Review, 114, 66-84, (2018)
A. Kumar, D. Roy, V. Verter, and D. Sharma, Integrated Fleet Mix and Routing Decision for Hazmat Transportation: A Developing Country Perspective, European Journal of Operational Research (2017)
D. Roy, A. Krishnamurthy, S.S. Heragu and C.J. Malmborg, A Multi-tier Linking Approach to Analyze Performance of Autonomous Vehicle-based Storage and Retrieval Systems,Computers & Operations Research(2017)
J. de Vries, R. de Koster, S. Rijsdijk, D. Roy. Determinants of Safe and Productive Truck Driving: Empirical Evidence from Long-haul Cargo Transport, Transportation Research Part E: Logistics and Transportation Review(2016)
T. Lamballais, D. Roy, R. de Koster. Estimating Performance in a Mobile Fulfillment System. European Journal of Operational Research (2016)
E. Tappia, D. Roy, R. de Koster, M. Melacini. Modeling, Analysis, and Design Insights for Shuttle-based Compact Systems. Transportation Science (2016)
V. Dhingra and D. Roy. Modeling Emergency Evacuation with Time and Resource Constraints: A Case Study from Gujarat. Socio-Economic Planning Sciences (2015)
D. Roy. Semi-open Queuing Networks: A Review of Stochastic Models, Solution Methods, and New Research Areas. International Journal of Production Research (2016)
D. Roy, A. Krishnamurthy, S.S. Heragu and C.J. Malmborg. A Simulation Framework for Studying Blocking Effects in Warehouse Systems with Autonomous Vehicles, European Journal of Industrial Engineering (2015)
J.A. Pazour and D. Roy. Analyzing Rental Vehicle Threshold Policies that Consider Expected Waiting Times for Two Customer Classes, Computers and Industrial Engineering (2015)
D. Roy, A. Krishnamurthy, S.S. Heragu and C.J. Malmborg. Queuing Models to Analyze Dwell-point and Cross-aisle Location in Autonomous Vehicle-based Warehouse Systems, European Journal of Operational Research (2014)
M. Gorman, J.P. Clarke, A. Gharehgozli, M. Hewitt, R. de Koster and D. Roy. State of the Practice: A Review of the Application of OR/MS in Freight Transportation, Interfaces (2014)
D. Roy, A. Krishnamurthy, S.S. Heragu and C.J. Malmborg. Stochastic Models for Unit-Load Operations in Warehouse Systems with Autonomous Vehicles, Annals of OR (2014)
D. Roy, J.A. Pazour and R. de Koster. A Novel Approach for Designing Rental Vehicle Repositioning Strategies, IIE Transactions (2014)
A. Gupta, D. Roy, and J.A. Pazour. Improving Service System Performance using Estimates of Waiting Time Probabilities, Int. J. of Automation and Logistics (2014)
A. Kumar, D. Roy and M.K. Tiwari. Optimal partitioning of vertical zones in vehicle-based warehouse systems, International Journal of Production Research (2013)
D. Roy, J. Sebastian, and D. Sharma. Fleet sizing for transporters with seasonal demands, Int. J. Automation and Logistics, 1(1):105–115 (2013)
D. Roy, A. Krishnamurthy, S.S. Heragu and C.J. Malmborg. Blocking Effects in Warehouse Systems with Autonomous Vehicles, IEEE Transactions on Automation Science and Engineering, (2013)
D. Roy, A. Krishnamurthy, S.S. Heragu and C.J. Malmborg. Performance Analysis and Design Tradeoffs in Warehouses with Autonomous Vehicle Technology, IIE Transactions, 44(12): 1045-1060 (2012).
Container Terminal Operations
G. L. Kumawat, D. Roy, R. de Koster, I.J.B.F. (Ivo) Adan, Stochastic Modelling of Parallel Process Flows in Intra-logistics Systems with an Application to a Container Terminal, European Journal of Operational Research (2020)
G. L. Kumawat and D. Roy, AGV or Lift-AGV? Performance Trade-offs and Design Insights for Container Terminals with Robotized Transport Vehicle Technology, IISE Transactions (2020)
D. Roy, R. de Koster, R. Bekker, Modeling and Design of Container Terminal Operations, Operations Research (2019)
D. Roy and R. de Koster, Stochastic Modeling of Unloading and Loading Operations at a Container Terminal using Automated Lifting Vehicles, European Journal of Operational Research, 266(3), 895-910, (2018)
D. Roy and R. de Koster, Stochastic Modeling of Unloading and Loading Operations at a Container Terminal using Automated Lifting Vehicles, European Journal of Operational Research (2017)
S. Saini, D. Roy, and R. de Koster, A Stochastic Model for the Throughput Analysis of Passing Dual Yard Cranes, Computers & Operations Research(2017)
N. Mishra, D. Roy, Jan-Kees van Ommeren, A stochastic Model for Inter-terminal Container Transportation, Transportation Science (2016)
V. Dhingra, D. Roy, R. de Koster, A Cooperative Quay Crane-based Stochastic Model to Estimate Vessel Handling Time, Flexible Services and Manufacturing (2016)
D. Roy; A. Gupta, R. de Koster, A Non-linear Traffic-flow based Queuing Model to Estimate Container Terminal Throughput with AGVs, International Journal of Production Research(2015).
A. H. Gharehgozli, D. Roy, R. de Koster. Sea Container Terminals: New Technologies and OR Models, Maritime Economics and Logistics (2015).
D. Roy, R. de Koster, Modeling and Design of Container Terminal Operations, 2014, SSRN Abstract Id: 2458048, ERIM Report Series Reference No. ERS-2014-008-LIS
A. Gupta, D. Roy, R. de Koster, and S. Parhi, Optimal Stack Layout in a Sea Container Terminal with Automated Lifting Vehicles, International Journal of Production Research (2017) (Additional reference material to the paper titled "Optimal Stack Layout in a Sea Container Terminal with Automated Lifting Vehicles, 2015, Link)
Restaurant Operations
D. Roy, A. Bandyopadhyay, P. Banerjee, A Nested Semi-open Queuing Network Model for Analyzing Dine-in Restaurant Performance,Computers & Operations Research (2015).
Sustainable Operations
F. Tornese , J. A. Pazour, B. K. Thorn , D. Roy, A. L. Carrano, Investigating the environmental and economic impact of loading conditions and repositioning strategies for pallet pooling providers,: Journal of Cleaner Production (2017)
A.L. Carrano, J.A. Pazour, D. Roy, and B.K. Thorn, Selection of Pallet Management Strategies Based on Carbon Emissions Impact, International Journal of Production Economics, 164: 258-270 (2015)
F. Tornese, A.L. Carrano, J.A. Pazour, B.K. Thorn, D. Roy, Carbon footprint analysis of pallet remanufacturing, Journal of Cleaner Production (2016)
D. Roy, A.L. Carrano, J.A. Pazour, A. Gupta, Cost-effective Pallet Management Strategies, Transportation Research Part E: Logistics and Transportation Review (2016)
Manufacturing Systems and Supply Chain Operations
D. Roy, and V. Ravikumaran, An Extensive Evaluation of CONWIP-Card Controlled and Scheduled Start Time Based Production System Designs, Journal of Manufacturing Systems (2018)
D. Roy and N.R.S. Raghavan. A Constrained Nash Bargaining Approach to the Stock Rationing Problem in Multi-echelon Supply Chains, The International Journal of Advanced Manufacturing Technology, 72(5-8): 571-587 (2014)
N. A. Duffie, D. Roy and L. Shi. Dynamic Behavior of Autonomous Work Systems in Production Networks with Local Capacity Control. Annals of the CIRP, 57 (1): 463-466 (2008)
N.R.S. Raghavan and D. Roy. A Stochastic Petri Net Approach for Inventory Rationing in Multi-Echelon Supply Chains. Journal of Heuristics, 11(5-6): 421-446 (2005)
D. Roy, U.M.B.S. Sarma, S.K. Mukhopadhyay and M.K. Tiwari. A Part Classification System Using a Shape-Analysis Based Heuristic Approach. The International Journal of Advanced Manufacturing Technology, 21(5): 355-364 (2003)
M. K. Tiwari and D. Roy. Solving a Part Classification Problem using Simulated Annealing-like Hybrid Algorithm. Robotics and Computer-Integrated Manufacturing, 19(5): 415-424 (2003)
M.K. Tiwari and D. Roy. Application of an Evolutionary Fuzzy System for the Estimation of Workforce Deployment and Cross training in an Assembly Environment.International Journal of Production Research, 40(18): 4651-4674 (2002)
M. K. Tiwari and D. Roy. Minimization of Internal Shrinkage in Casting using Synthesis of Neural Networks. International Journal of Smart Engineering System Design, 4(3): 205-214 (2002)