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Re-design of a blood supply chain organization with mobile units

Authors
  • Karadağ, İlker1
  • Keskin, Muhammed Emre1
  • Yiğit, Vecihi1
  • 1 Atatürk University,
Type
Published Article
Journal
Soft Computing
Publisher
Springer-Verlag
Publication Date
Feb 18, 2021
Pages
1–17
Identifiers
DOI: 10.1007/s00500-021-05618-3
PMID: 33619428
PMCID: PMC7890397
Source
PubMed Central
Keywords
License
Unknown

Abstract

This research analyses the re-organization of a blood supply chain organization. Blood supply chain network design is a hard problem. Uncertainties of the blood supply and demand, perishability of blood over time and compatibility of blood types are some factors that make the problem difficult. This paper presents a novel multi-objective mixed-integer location-allocation model for a blood supply chain design problem. Unlike many studies on blood supply chain design in the literature, supply chain network consisting of mobile and permanent units is planned together effectively with our mixed-integer programming model. Multi-objective structure of the model minimizes distances between the blood supply chain elements and the length of the mobile unit routes. The objectives are prioritized by experts using the Analytical Hierarchical Process. Finally, the model is implemented on a real life case study using real data from the Eastern Anatolia region of Turkey for various supply demand scenarios. The solutions offered by the model are compared with the current situation in the region. It is shown that the proposed model gives at least %25 more effective solutions. Moreover, sensitivity analysis on the budget constraint is conducted, and robustness of the model is empirically illustrated.

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