Fuzzy Multivariate Process Capability Index for Measuring Process Capability

Abstract

Abstract. In the case of process capability index several methods are identified. In this paper ,a new process capability index using fuzzy number and fuzzy probability concept, in order to remove the weakness of other famous method is suggested. After introduction of fuzzy index in univariate case, fuzzy multivariate process capability index is investigated. Finally, this new method is compared to three well-known methods in literature review, with numerical example.

Keywords

References

References

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Zeinab Ramezani, Panchami & Masha Allah Mashinchi, (2011), ‘Fuzzy confidence regions for the Taguchi capability index’, International Journal of system scince, Vol. 42, No. 06, June 2011, 977-987

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History

  • Receive Date: 25 January 2014
  • Revise Date: 25 March 2014
  • Accept Date: 25 June 2014

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