This paper presents a travel time model for multi-deep AS/RS, which determines the average travel times during a single command storage or retrieval and a dual command cycle. The model can determine the relocation probability, the number of expected relocations and the travel times in storage...

Automated storage and retrieval systems (AS/RSs) are material handling systems that are frequently used in manufacturing and distribution centers. The modelling of the retrieval–travel time of an AS/RS (expected product delivery time) is practically important, because it allows us to evaluate...

Die Steuerung von logistischen Systemen ist aufgrund der Abhängigkeiten der einzelnen Entscheidungen (beispielsweise der Auswahl eines Einlagerplatzes) eine rechenintensive Aufgabe, die nicht in Echtzeit optimal lösbar ist. Erschwerend ist im praktischen Einsatz, dass die Aufträge online...

A warehouse needs to have sufficient open locations to be able to store incoming shipments of various sizes. In combination with ongoing load retrievals open locations gradually spread over the storage area. Unfavorable positions of open locations negatively impact the average load retrieval...

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