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題 名 | 灰模糊失效模式與效應分析=Failure Mode and Effects Analysis Using Fuzzy and Grey Theory |
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作 者 | 張清亮; 魏秋建; 李永晃; | 書刊名 | 中華管理評論 |
卷 期 | 1:1 1998.10[民87.10] |
頁 次 | 頁(7)1-(7)8 |
分類號 | 440.8 |
關鍵詞 | 失效模式與效應分析; 模糊理論; 灰色理論; Failure mode and effect analysis; Fuzzy theory; Grey theory; |
語 文 | 中文(Chinese) |
中文摘要 | 傳統失效模式及效應分析(failure mode and effects analysis , FMEA)的風險評估,是將因子的語義判斷轉換成五個等級的分數,再將分數相乘得出風險優先數。這樣的方式不但轉換過程有爭議,決策因子的相對重要性也沒有處理。因此,本文利用模糊理論(fuzzy theory)直接評估各因子的等級,以解決轉換的質疑;同時透過灰色理論(grey theory)的灰關聯分析,來克服因子相乘及決策因子無相對權重的爭議。經過實例驗證發現,同時利用模糊理論與灰色理論來處理FMEA的改善決策,確實比傳統的方法更方便且較公正合理。 |
英文摘要 | Traditional Failure mode and effects analysis evaluates risk priority number by finding the multiplication of factor scores that are converted from the probability or degree of problem occurrence without considering the relative importance of factors. This study applies fuzzy theory to eliminate the conversion debate by directly evaluating the linguistic assessment of factors, and uses grey theory to obtain risk priority number by assigning relative weighting coefficient without any utility function. Results of the illustrative example show that, concurrent application of fuzzy and grey theory, the problems created by conventional FMEA can be solved, and potential failure modes and effects can be effectively discovered. As a result, the stability of product and process can be assured. |
本系統中英文摘要資訊取自各篇刊載內容。