Determining Number of Zones in a Pick-and-Pack Orderpicking System
32 Pages Posted: 25 Oct 2005
Date Written: 18 2005 5,
In this study we consider a pick-to-pack orderpicking system, in which batches of orders are picked simultaneously from different(work) zones by a group of order pickers. After picking, theorders are transported by a conveyor to the next station for packing. Our aim is to determine the optimal number of zones such that the overall (picking and packing) time to finish a batch isminimized. We solve this problem by optimally assigning items to pick routes in each zone. Weillustrate the method with data taken from a distribution center of one of the largest onlineretailers in the Netherlands.
Keywords: orderpicking, zone picking, warehousing, logistics, order fulfillment, distribution
JEL Classification: M, M11, C61, L81
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