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題 名 | Measurement Error Reduction and Sampling Strategy Design for Automated Inspection Process=自動檢驗程序之量測誤差消減與抽樣策略設計 |
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作 者 | 李國路; 牟忠一; | 書刊名 | 中國機械工程學刊 |
卷 期 | 19:6 1998.12[民87.12] |
頁 次 | 頁593-602 |
分類號 | 446.8405 |
關鍵詞 | 自動檢驗程序; 量測誤差; 抽樣策略; Compound error; Dimensional inspection; Measurement error; Sampling strategy; |
語 文 | 英文(English) |
英文摘要 | 量測誤差的主要來源之一是因量測設備的不完善,以及其與被量測物件表面之幾 何特性間,複合影響( compound effect )所衍生出的誤差。 因此,若要保證量測過程的 品質,便需要將此複合誤差的影響降至最低,並能指認及消減此量測誤差。同時,若要使尺 度量測方法更有效率,需有一套低成本、高時效的抽樣策略,以確定量測所需的點數大小, 及這些點數被量測的位置。 本文首先討論在機器校正與尺度量測上,量測誤差應如何指認與消減。並推導出一套解析模 式, 以估算並分離此種複合影響的量測誤差。 其次, 利用漢默斯里序列( Hammersley sequence )與區域化的抽樣方法( stratified sampling strategy ), 推導出一套以被 量測物件外形為基礎( feature-based )的抽樣策略,使用於各種不同幾何形狀, 且有特 殊量測要求的物件表面。 IM) environment there is also an urgent need to derive sampling strategy that can be used to specify a set of measuring points that lead to an accurate sampling while minimizing the sampling time and cost. In this paper, the issues of measurement error identification and reduction for machine calibration and dimension measurement are first discussed. Analytical models are derived to access and decouple the compound effect of both types of errors, and thus, reduce the measurement errors. Then, featurebased Hammersley sequence and stratified sampling method are used to derive the sampling strategy for various geometric feature surfaces that have specified measuring points. |
本系統中英文摘要資訊取自各篇刊載內容。