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n South African Journal of Industrial Engineering - A fuzzy extent analysis method for vendor selection in supply chain : a case study from the automotive industry

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Abstract

The analytic hierarchy process (AHP) of Saaty (1980) is a popular method for solving multi-criteria decision problems involving qualitative data, and has been applied to the vendor selection process (Nydick and Hill, 1992; Barbarosoglu and Yazgac, 1997; Narasimhan, 1983; and Masella and Rangone, 2000). AHP is often criticized for its inability to handle the inherent uncertainty and imprecision of the pairwise comparison process. This paper focuses on addressing uncertainty issues in the process of vendor selection by using a Fuzzy Extent Analysis method. The applicability of the proposed Fuzzy Extent Analysis method for vendor selection is tested in Auto Exhaust System Ltd, Gurgaon, India. A study of the Fuzzy Extent Analysis Method is also provided in this paper by experimenting with sensitivity analysis. The result shows that the Fuzzy Extent Analysis Method for vendor selection is simple and comprehensive in concept, efficient in computation, and robust in modeling human evaluation processes for vendor selection.

Die analitiese hiërargieproses (AHP) van Saaty (1980) bied 'n populêre metode vir die oplossing van veeldoelige kwalitatiewe besluitvormingsprobleme. Dit is reeds toegepas op gevalle van leweransierseleksie (Nydick en Hill, 1992; Barbarosoglu en Yazgac, 1997; Narasimhan, 1983; en Masella en Rangone, 2000). Die AHP-metode word dikwels gekritiseer omdat dit nie inherente onsekerhede en onakkuraatheid van paargewyse vergelykings kan hanteer nie. Die artikel omseil die kritiek deur gebruik te maak van 'n Wasigheidsleermetode. Die metode word beproef vir 'n leweransierseleksievraagstuk by Auto Exhaust Systems Bpk., Gurgaon, Indië. Daar word ook geëksperimenteer met sensitiwiteitsanalise wat bewys lewer van die doeltreffendheid van die metode van ontleding.

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/content/indeng/18/2/EJC46156
2007-11-01
2016-12-06
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