Optimizing multi-response problems in the Taguchi method by fuzzy multiple attribute decision making

Lee-Ing Tong*, Chao Ton Su

*Corresponding author for this work

Research output: Contribution to journalArticle

170 Scopus citations

Abstract

One of the conventional approaches used in off-line quality control is the Taguchi method. However, most previous Taguchi method applications have only dealt with a single-response problem and the multi-response problem has received only limited attention. The theoretical analysis in this study reveals that Taguchi's quadratic loss function and the indifference curve in the TOPSIS (Technique for order preference by similarity to ideal solution) method have similar features. The Taguchi method deals with a one-dimensional problem and TOPSIS handles multi-dimensional problems. As a result, the relative closeness computed in TOPSIS can be used as a performance measurement index for optimizing multi-response problems in the Taguchi method. Next, an effective procedure is proposed by applying fuzzy set theory to multiple attribute decision making (MADM). The procedure can reduce the uncertainty for determining a weight of each response and it is a universal approach which can simultaneously deal with continuous and discrete data. Finally, the effectiveness of the proposed procedure is verified with an example of analysing a plasma enhanced chemical vapour deposition (PECVD) process experiment.

Original languageEnglish
Pages (from-to)25-34
Number of pages10
JournalQuality and Reliability Engineering International
Volume13
Issue number1
DOIs
StatePublished - 1 Jan 1997

Keywords

  • Multi-response problem
  • Multiple attribute decision making
  • Parameter design
  • Taguchi method
  • TOPSIS method

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