Routes optimization with cluster-dependent costs for convenience stores

Francisco Alejandro-Ugarte, Gianna Noemí Cárdenas-De La Fuente, Gloria Catalina García-Martínez, Jenny Díaz-Ramírez

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This study is carried out in a commercial company with a chain of convenience stores. The initial phase of the diagnosis aims to introduce the problem, show the analysis made on the process, and finally the identification of the root causes of the problem. The key solution was to create a two-phase model which includes an allocation of stores by demand, vehicle capacity and a time optimization model of the routes. Vehicle Routing Problems (VRP) are usually optimized in function of the length of the resulting routes. These functions are expressed in terms of distance, time, fuel consumption, cost, emissions, etc. In this case, the cost of the route is given by the most expensive customer covered in such a route. In addition, the models proposed consider time windows constraints and heterogeneous fleet. All the necessary documentation under the company's scheme to implement the two-phase model and reduce travel expenses was developed This includes the restructuring of the daily route calculation and planning process with new contract terms and conditions that ensure greater benefits for the company. The results after the pilot test and simulations were a 16% reduction in final travel expenses and vehicle occupancy increased from 63% to 85%.

Original languageEnglish
Title of host publicationProceedings of the 11th Annual International Conference on Industrial Engineering and Operations Management, 2021
PublisherIEOM Society
Pages463-474
Number of pages12
ISBN (Print)9781792361241
Publication statusPublished - 2021
Event11th Annual International Conference on Industrial Engineering and Operations Management, IEOM 2021 - Virtual, Online
Duration: 7 Mar 202111 Mar 2021

Publication series

NameProceedings of the International Conference on Industrial Engineering and Operations Management
ISSN (Electronic)2169-8767

Conference

Conference11th Annual International Conference on Industrial Engineering and Operations Management, IEOM 2021
CityVirtual, Online
Period7/3/2111/3/21

Bibliographical note

Publisher Copyright:
© IEOM Society International.

All Science Journal Classification (ASJC) codes

  • Strategy and Management
  • Management Science and Operations Research
  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering

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