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Reprioritization of failures in a silane supply system using an intuitionistic fuzzy set ranking technique

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Abstract

Most of the current failure mode, effects, and criticality analysis (FMECA) methods use the risk priority number (RPN) value to evaluate the risk of failure. However, the traditional RPN methodology has been criticized to have several shortcomings. These shortcomings are addressed in this paper. Therefore, an efficient and simplified algorithm to evaluate the risk of failure is needed. This paper proposes a new approach, which utilizes the intuitionistic fuzzy set ranking technique for reprioritization of failures in a system FMECA. The proposed approach has two major advantages: (1) it resolves some of the shortcomings of the traditional RPN method, and (2) it provides an evaluation of the redundancy place, which can assist the designer in making correct decisions to make a safer and more reliable product design. In numerical verification, an FMECA of a silane supply system is presented as a numerical example. After comparing results from the proposed method and two other approaches, this research found that the proposed approach can reduce more duplicate RPN numbers and get a more accurate, reasonable risk ranking.

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Authors and Affiliations

  1. Department of Management Sciences, R.O.C. Military Academy, Kaohsiung, 830, Taiwan

    Kuei-Hu Chang

  2. Department of Information Management, National Yunlin University of Science and Technology, Touliu, Yunlin, Taiwan

    Ching-Hsue Cheng

  3. Department of Industrial Engineering and Management, National Chiao Tung University, Hsinchu, 300, Taiwan

    Yung-Chia Chang

Authors
  1. Kuei-Hu Chang
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  2. Ching-Hsue Cheng
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  3. Yung-Chia Chang
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Correspondence to Kuei-Hu Chang.

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Chang, KH., Cheng, CH. & Chang, YC. Reprioritization of failures in a silane supply system using an intuitionistic fuzzy set ranking technique. Soft Comput 14, 285–298 (2010). https://doi.org/10.1007/s00500-009-0403-7

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  • DOI: https://doi.org/10.1007/s00500-009-0403-7

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