This paper develops new solution procedures for the order picker routing problem in U-shaped order picking zones with a movable depot, which has so far only been solved using simple heuristics. The paper presents the first exact solution approach, based on combinatorial Benders decomposition, as...

The increasing trend toward digitalization in logistics poses a significant managerial challenge, particularly by fundamentally changing the traditional, manual workplaces in intralogistics. Although intralogistics processes have, in some cases, already been automated or are supported by smart...

The surge of e-commerce has revolutionized distribution channels, escalating from simple single-channel frameworks to complex multi-channel and omni-channel networks. In particular developments in information technology and rising customer expectations have popularized the transition from multi-...

Viele Unternehmen stehen aktuell vor großen Herausforderungen aufgrund hoher Kundenansprüche für individualisierte Produkte, aber auch aufgrund des Fachkräftemangels, des demographischen Wandels, volatiler Lieferantenmärkte, der Auswirkungen auf die Versorgungssicherheit ausgelöst durch...

Die Kommissionierung ist eine besonders zeit- und kostenintensive Tätigkeit in der Intralogistik, vor allem wenn diese manuell ausgeführt wird. Deswegen kann es für Unternehmen wirtschaftlich interessant sein, autonome Kommissionierroboter, die mit Menschen zusammenarbeiten, in einem hybriden...

This paper addresses the operational planning problem of assigning orders and pods (i.e., mobile shelves) to picking stations in a multi-level robotic mobile fulfillment system (RMFS), which deals with two issues: deciding on which picking station handles which order, and from which pods to pick...

Spotters (also denoted as switchers) are specialized terminal tractors, which are dedicated to the rapid maneuvering of semitrailers between parking lot and dock doors in large trailer yards. This paper is dedicated to spotter scheduling, i.e., the assignment of predefined trailer movements to a...

This paper presents the results of a comprehensive literature review of the organization of purchasing covering the period from 1967 to 2009. The review provides a structured overview of prior research topics and findings and identifies gaps in the existing literature that may be addressed in...

This paper studies a supply chain consisting of a single vendor and multiple retailers that uses returnable transport items, such as containers or crates, to facilitate shipping products from the vendor to the retailers. The paper considers two different strategies for transporting finished...