Aditya Eti, Nikhil

Ahmed, Fahim

Badyal, Vishal

Ferrell, William

Huynh, Nathan

English

Georgia Southern University: Digital Commons@Georgia Southern

16th International Material Handling Research ColloquiumDresden, Saxony, Germany, June 20-23, 2023Handling disruptions in a network with cross-dockingVishal Badyal1 Fahim Ahmed2 Nikhil Aditya Eti1 Nathan Huynh3 Bill Ferrell11                                                        2                                                       3 BackgroundObjective• Meet delivery deadlinesDecisions• Inbound truck docking times• Outbound truck departure times• Forklift scheduleMethodologyTruck Scheduling• Initial• DisruptionCross-dock SchedulingPickup Info• Location & deadline• Product type & amountDelivery Info• Location & deadline• Product type & amount• Inbound truck arrivals• Outbound truck departures • Makespan• Inbound truck arrivals & dock doors• Outbound truck departures & dock doors• Forklift scheduleConclusionsResultsEqual loading and unloading times Unequal loading and unloading timesSeparate doors Mixed doorsForklift scheduleDisruptionInterested in horizontal collaboration/Physical Internet – especially transition challenges/opportunities • Successfully sequences inbound and outbound trucks with supporting cross-dock schedule• Iterative solution process seems effective Converge <10% gap on makespan within < 5 iterations Terminate (10 iter’s of no improvement) – max gap 15%• Cross-dock model suggests unequal loading andunloading times lead to clear advantage of mixed doors

Handling disruptions in a network with cross-docking

https://digitalcommons.georgiasouthern.edu/cgi/viewcontent.cgi?article=1096&context=imhrc

Handling disruptions in a network with cross-docking

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Georgia Southern University: Digital Commons@Georgia Southern