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頁籤選單縮合
題 名 | Capability Indices for Processes with Asymmetric Tolerances=非對稱規格區間的製程能力指標 |
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作 者 | 陳坤盛; 彭文理; | 書刊名 | 中國工程學刊 |
卷 期 | 24:5 2001.09[民90.09] |
頁 次 | 頁559-568 |
分類號 | 494.5 |
關鍵詞 | 製程能力指標; 製程良率; 製程集中量; 目標值; Process capability indices; Process yield; Process centering; Target value; |
語 文 | 英文(English) |
中文摘要 | 製程能力指標的研究與運用著重於產品的規格是對稱的情況,而當產品的規格是 非對稱的情況時常常被忽略。 Boyles ( 1994 )回顧一些指標並提出一些處理非對稱規格 區間的製程能力指標,在本文中我們研究並比較這些處理非對稱規格區間的製程能力指標, 同時提出一個更適合處理非對稱規格區間的製程能力新指標。本文以製程良率、製程偏離目 標值的量(製程集中量)與製程期望損失為基準,比較新指標與現有指標結果顯示新指標優 於現有指標。 |
英文摘要 | Process capability indices (PCIs) for processes with symmetric tolerances have received substantial research attention. But, PCIs for processes with asymmetric tolerances have been comparatively neglected. Recently, Boyles (1994) reviewed the existing PCI literature and proposed several new indices to handle processes with asymmetric tolerances. In this paper we analyze PCIs based on various process characteristics, then introduce a new class of capability indices to handle processes with asymmetric tolerances. The proposed new indices are compared with existing PCIs in terms of process yield, process centering, and process characteristic related to loss functions. The results indicate that the new indices are superior to the existing capability indices, and provide greater accuracy in current applications using PCIs to measure process potential and performance. |
本系統中英文摘要資訊取自各篇刊載內容。