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Open AccessArticle

Implementation of a Mathematical Model to Improve Sustainability in the Handling of Transport Costs in a Distribution Network

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Department of Industrial Engineering, Instituto Tecnológico de Sonora, Navojoa, Sonora 85800, Mexico
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Department of Industrial Engineering, Instituto Tecnológico de Sonora, Cd. Obregon, Sonora 85000, Mexico
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Author to whom correspondence should be addressed.
Sustainability 2020, 12(1), 63; https://doi.org/10.3390/su12010063
Received: 30 October 2019 / Revised: 10 December 2019 / Accepted: 12 December 2019 / Published: 19 December 2019
This work considers the application of a mathematical model using mixed-integer linear programming for the vehicle routing problem. The model aims at establishing the distribution routes departing from a distribution center to each customer in order to reduce the transport cost associated with these routes. The study considers the use of a fleet of different capacities in the distribution network, which presents the special characteristic of a star network and which must meet different efficiency criteria, such as the fulfillment of each customer’s demand, the vehicle carrying capacity, work schedule, and sustainable use of resources. The intention is to find the amount of equipment suitable to satisfy the demand, thus improving the level of customer service, optimizing the use of both human and economic resources in the distribution area, and leveraging maximum vehicle capacity usage. The MILP mixed-integer linear programming mathematical model of the case study is presented, as well as the corresponding numerical study. View Full-Text
Keywords: MIPL; VRP; star network; optimal plant location MIPL; VRP; star network; optimal plant location
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Velarde, J.M.; García, S.; López, M.; Bueno-Solano, A. Implementation of a Mathematical Model to Improve Sustainability in the Handling of Transport Costs in a Distribution Network. Sustainability 2020, 12, 63.

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