Confidence-interval-based fuzzy supplier selection model with lifetime performance index

Kuen-Suan Chen () and Chun-Min Yu ()
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Kuen-Suan Chen: National Chin-Yi University of Technology
Chun-Min Yu: National Chin-Yi University of Technology

Annals of Operations Research, 2024, vol. 340, issue 1, No 7, 133-147

Abstract: Abstract An electronic product usually contains numerous electronic components. To improve market competitiveness and operational flexibility, the electronics industry has begun to outsource electronic components. To help firms ensure that the lifetimes of procured electronic components meet market needs, this study proposes a fuzzy supplier selection model based on the confidence interval of the lifetime performance index proposed by (Chen and Yu, Annals of Operations Research 311:51–64, 2022). Under the assumption that the lifetime of an electronic component follows an exponential distribution, we derive the confidence intervals of the lifetime performance index for each supplier and use the confidence intervals of various suppliers to construct a fuzzy membership function. We propose a model based on this function to identify the optimal supplier. The fuzzy test incorporates historical data and expert experience to maintain evaluation accuracy in cases of small sample sizes. A numerical example is provided to demonstrate the efficacy of this method.

Keywords: Electronic component; Lifetime performance index; Exponential distribution; Fuzzy membership function; Fuzzy supplier selection model (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s10479-023-05566-1

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