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    Please use this identifier to cite or link to this item: http://ir.lib.ksu.edu.tw/handle/987654321/17579


    Title: Exploiting the 2-Tuple Fuzzy Linguistic Approach for Constructing QFD-Based Failure Modes and Effects Analysis
    Authors: 柯文長
    Keywords: Failure modes and effect analysis (FMEA)
    risk analysis
    2-tuple fuzzy linguistic approach
    quality function deployment (QFD)
    new product development (NPD)
    Date: 2011-07-12
    Issue Date: 2012-09-11 15:02:30 (UTC+8)
    Abstract: Failure modes and effects analysis (FMEA) is widely recognized tool to identify the
    potential failure risk for improving the reliability and safety of new product development. A major task of FMEA is to determine the risk priority number (RPN) of the each potential failure mode based on the assessments of three risk indexes: severity, occurrence and detectability. Unlike the conventional practice, these indexes are measured by discrete ordinal scales, but treated as numerical one, this study adopts the 2-tuple fuzzy linguistic approach to
    represent the assessments of three risk indexes and develop a FMEA assessment model.
    Applying the characteristics of the computing with words, 2-tuple fuzzy linguistic approaches composed a linguistic term and a numeric value assessed in [-0.5, 0.5) to overcome the drawback of conventional practice in FMEA. Besides, related with severity index, the reasonable assessments of occurrence and detectability indexes for potential failure modes are difficult to obtain due to lack information and uncertainty during the early stage of new
    product development (NPD). This study employs the idea of quality function deployment to
    determine the assessments of occurrence and detectability indexes using the
    effect-cause-effect relationship among three risk indexes. Furthermore, three risk indices can be considered with different weights to obtain the more reasonable RPN. The outcomes of RPN to the corresponding potential failure modes are useful to decision maker for risk
    management and arranging the limited resource to reduce or eliminate the serious potential
    failure occurring in NPD. An illustrative example is used to demonstrate the applicability of the proposed model.
    Relation: International Conference on Innovation and Management, 馬來西亞, 2011.7.12
    Appears in Collections:[資訊管理系所] 會議論文

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