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- W2896023677 abstract "When attempting to solve the extensively researched vehicle routing problem (VRP)in a non-western context, literature may still be limited. The problem in this paper ispresented by a Kenyan company, which copes with four issues regarding their dailyVRP: they prefer fixed drivers to visit each demand location, demand is very infrequentand unknown until one day in advance and the set of demand locations is highlyvariable. As a solution, a two-phase approach to solve the problem was introduced,consisting of a clustering phase and a daily route optimization phase. Clusters shouldbe formed for a longer period of time and such that daily routes are feasible. The K&Palgorithm and the Districting algorithm are proposed for clustering, which have arisenfrom respectively the Capacitated Cluster Problem and the Districting Problem. Bothare evaluated by means of transportation costs and the cluster stability, the percentageof demand locations served by the same driver after clustering, for the purpose ofevaluating how and whether the two can be balanced. As a result, it was shown thatespecially the K&P algorithm leads to good results, with an average cluster stabilityof 70%. The cluster stability could be increased further by implementing a simple extension.In addition, a proper method for constraining the clusters was introduced.Finally, it is recommended to the company to neglect the distance to the depot in theclustering objective, rather than incorporating it, to enhance the compactness of theclusters. This was found to result in lower costs and an increased cluster stability. Inaddition, it is advised to adopt growth strategies such that new customers are foundboth within and outside of the current territory. This will lead to a decrease in costs bysearching within the territory and an increase in cluster stability by searching outsidethe territory." @default.
- W2896023677 created "2018-10-26" @default.
- W2896023677 creator A5044273083 @default.
- W2896023677 date "2018-10-23" @default.
- W2896023677 modified "2023-09-26" @default.
- W2896023677 title "Clustering for Vehicle Routing in Kenya" @default.
- W2896023677 hasPublicationYear "2018" @default.
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