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Interval type-2 fuzzy TOPSIS method for calibration supplier selection problem: a case study in an automotive company

  • ICCESEN 2017
  • Published:
Arabian Journal of Geosciences Aims and scope Submit manuscript

Abstract

Product standardization has gained importance with the increase of customer demands and developments of technology. Products must be tested with measurement equipment to ensure quality standards. In quality management, the variability between products is targeted to be minimum. Products are produced at a target value with specific tolerance levels. Measurement equipment are used to confirm that the dimensions be in accordance with the required tolerance levels. The calibration of measurement equipment is crucial for acquiring certain measurements. The calibration process aims to minimize the measurement error by providing the accuracy of measurement equipment. The companies can carry out their calibration processes in the company structure for certain equipment. However, companies may need outsourcing for the calibration of complex equipment. This study includes a model to select the most appropriate calibration supplier by using the interval type-2 fuzzy Technique for Order Performance by Similarity to Ideal Solution (TOPSIS) method. The proposed approach is presented with a case study for torque-limiting wrench calibration in an automotive company. In the case study, ten different evaluation criteria were determined from the decision-makers and the literature for the calibration suppliers’ evaluation and selection. Within the scope of these criteria, three alternative suppliers (A, B, and C) were evaluated and supplier C was selected as the most suitable calibration supplier.

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Correspondence to Merve Cengiz Toklu.

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This article is part of the Topical Collection on Geo-Resources-Earth-Environmental Sciences

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Cengiz Toklu, M. Interval type-2 fuzzy TOPSIS method for calibration supplier selection problem: a case study in an automotive company. Arab J Geosci 11, 341 (2018). https://doi.org/10.1007/s12517-018-3707-z

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  • DOI: https://doi.org/10.1007/s12517-018-3707-z

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