Article (Scientific journals)
Integration of order picking and vehicle routing in a B2C e-commerce context
Moons, Stef; Ramaekers, Katrien; Caris, An et al.
2018In Flexible Services and Manufacturing Journal, 30, p. 813-843
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Keywords :
Integrated problem order picking and vehicle routing; Release dates; E-commerce
Abstract :
[en] E-commerce sales are increasing every year and customers who buy goods on the Internet have high service level expectations. In order to meet these expectations, a company’s logistics operations need to be performed carefully. Optimizing only internal warehouse processes will often lead to suboptimal solutions. The interrelationship between the order picking process and the delivery process should not be ignored. Therefore, in this study, an order picking problem and a vehicle routing problem with time windows and release dates are solved simultaneously using a single optimization framework. To the best of our knowledge, it is the first time that an order picking problem and a vehicle routing problem are integrated. A mixed integer linear programming formulation for this integrated order picking-vehicle routing problem (OP-VRP) is provided. The integrated OPVRP is solved for small instances and the results are compared to these of an uncoordinated approach. Computational experiments show that integration can lead to cost savings of 14% on average. Furthermore, higher service levels can be offered by allowing customers to request their orders later and still get delivered within the same time windows.
Research center :
Research Group Logistics - Hasselt University
QuantOM - HEC Liège
Disciplines :
Production, distribution & supply chain management
Author, co-author :
Moons, Stef;  Universiteit Hasselt - UH > Research Group Logistics
Ramaekers, Katrien;  Universiteit Hasselt - UH > Research Group Logistics
Caris, An;  Universiteit Hasselt - UH > Research Group Logistics
Arda, Yasemin  ;  Université de Liège > HEC Liège > UER Opérations : Supply Chain Management
Language :
English
Title :
Integration of order picking and vehicle routing in a B2C e-commerce context
Publication date :
2018
Journal title :
Flexible Services and Manufacturing Journal
ISSN :
1936-6582
eISSN :
1936-6590
Publisher :
Springer, Norwell, United States - Massachusetts
Volume :
30
Pages :
813-843
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
COMEX (Combinatorial Optimization: Metaheuristics & Exact Methods)
Funders :
Interuniversity Attraction Poles Programme
Available on ORBi :
since 03 April 2017

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