Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/44808
標題: Selecting a supplier by fuzzy evaluation of capability indices C-pm
作者: Chen, T.W.
林忠逸
Lin, J.Y.
Chen, K.S.
關鍵字: process capability indices
process centring
confidence interval
fuzzy
evaluation
期刊/報告no:: International Journal of Advanced Manufacturing Technology, Volume 22, Issue 7-8, Page(s) 534-540.
摘要: A process capability index C-pm that fits nominal-the-best type quality characteristics is an effective tool for assessing process capability since the index can adequately reflect a centring process capability and process yield. A valuable method using C(p)estimators was developed by Chou [7] for practitioners to use to determine whether or not two processes have equal capability. However index C-p failed to measure process yield and process centring with bilateral specifications and in addition, more than two suppliers can be selected in an actual application. This study proposes a fuzzy inference method to select the best among the competing suppliers based on an estimated capability index of C-pm calculated from sampled data. This method has the advantages of fuzzy systems where a grade can be obtained instead of a more specific exact evaluation result. An illustrated example of colour STN displays demonstrates that the proposed method is effective and feasible for the evaluation of competing process capability.
URI: http://hdl.handle.net/11455/44808
ISSN: 0268-3768
文章連結: http://dx.doi.org/10.1007/s00170-002-1487-8
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