Order Batching and Routing in a Non-Standard Warehouse

Ulrich Pferschy,Joachim Schauer

Published 2018 in Electron. Notes Discret. Math.

ABSTRACT

Abstract We consider the retrieval of articles from a warehouse to fulfill customer orders of a large e-commerce business. The problem consists of an order batching phase, where orders are grouped together to be processed by one picking process, and a routing phase where the article locations of one batch are sequenced in a route of minimal length. Our application is characterized by several non-standard features concerning the warehouse structure as well as the storage strategy. We develope a heuristic solution algorithm based on a fairly general graph model.

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