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- Title
A trapezoidal type-2 fuzzy multi-criteria decision making method based on TOPSIS for supplier selection: An application in textile sector.
- Authors
AYVAZ, Berk; KUŞAKCI, Ali Osman
- Abstract
Supplier evaluation and selection includes both qualitative and quantitative criteria and it is considered as a complex Multi Criteria Decision Making (MCDM) problem. Uncertainty and impreciseness of data is an integral part of decision making process for a real life application. The fuzzy set theory allows making decisions under uncertain environment. In this paper, a trapezoidal type 2 fuzzy multicriteria decision making methods based on TOPSIS is proposed to select convenient supplier under vague information. The proposed method is applied to the supplier selection process of a textile firm in Turkey. In addition, the same problem is solved with type 1 fuzzy TOPSIS to confirm the findings of type 2 fuzzy TOPSIS. A sensitivity analysis is conducted to observe how the decision changes under different scenarios. Results show that the presented type 2 fuzzy TOPSIS method is more appropriate and effective to handle the supplier selection in uncertain environment.
- Subjects
FUZZY systems; MULTIPLE criteria decision making; TOPSIS method; TEXTILE industry; SUPPLIERS
- Publication
Pamukkale University Journal of Engineering Sciences, 2017, Vol 23, Issue 1, p71
- ISSN
1300-7009
- Publication type
Article
- DOI
10.5505/pajes.2016.56563