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- Title
İki-Aşamalı Araç Rotalama Problemi: Temel Yaklaşımlar ve Konvansiyonel Araç Rotalama Problemi ile Karşılaştırmalar.
- Authors
Toğrul, Ergül Kısa; Atıcı, Kazım Barış; Ulucan, Aydın
- Abstract
Multi-stage distribution systems, in which the distribution network is divided into more than one level, can enable businesses to benefit from the economies of scale arising from both large quantities of shipments at the first stages and the efficient use of vehicle capacities at all levels, and to reduce environmental and social impacts from distribution activities carried out in dense urban areas. In this context, there is an increasing interest in modeling multi-stage distribution systems in the academic literature. This research aims to provide a comprehensive look at the Two-Echelon Vehicle Routing Problem (2E-VRP) that is within the scope of multi-stage distribution systems and to examine its advantages over single-stage distribution systems. In line with these purposes, we classify 2E-VRP applications in terms of solution approaches and their methodological details, then, we design an application and compare 2E-VRP modeling with the classical Vehicle Routing Problem (VRP) using four different objective functions like distance, fuel consumption, time and cost. A sensitivity analysis is conducted with 25 scenarios to analyze the effect of changes in capacity, demand, number of vehicles, and vehicle capacity parameters. The results reveal that although the 2E-VRP model is costlier than the VRP model, it is more advantageous in terms of factors such as time, distance, and fuel consumption.
- Publication
Hacettepe University Journal of Economics & Administrative Sciences / Hacettepe Üniversitesi Iktisadi ve Idari Bilimler Fakültesi Dergisi, 2022, Vol 40, Issue 2, p368
- ISSN
1301-8752
- Publication type
Academic Journal
- DOI
10.17065/huniibf.948698