Title
Multi-objective microzone-based vehicle routing for courier companies : from tactical to operational planning
Author
Faculty/Department
Faculty of Applied Economics
Publication type
article
Publication
Amsterdam ,
Subject
Economics
Mathematics
Source (journal)
European journal of operational research. - Amsterdam
Volume/pages
242(2015) :1 , p. 222-231
ISSN
0377-2217
ISI
000348687900021
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Distribution companies that serve a very large number of customers, courier companies for example, often partition the geographical region served by a depot into zones. Each zone is assigned to a single vehicle and each vehicle serves a single zone. An alternative approach is to partition the distribution region into smaller microzones that are assigned to a preferred vehicle in a so-called tactical plan. The moment the workload in each microzone is known, the microzones can be reassigned to vehicles in such a way that the total distance traveled is minimized, the workload of the different vehicles is balanced, and as many microzones as possible are assigned to their preferred vehicle. In this paper we model the resulting microzone-based vehicle routing problem as a multi-objective optimization problem and develop a simple yet effective algorithm to solve it. We analyze this algorithm and discuss the results it obtains. Keywords Metaheuristics; Variable neighborhood tabu search; Workload balancing; Multi-objective optimization; Vehicle routing; Courier companies
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