Techniques for Uncertainty Analysis of Complex Measurement Processes

Article

Atwood, Corwin L.; Engelhardt, Max   (1996, ASQC)   Idaho National Engineering Laboratory, Idaho Falls, ID

Journal of Quality Technology    Vol. 28    No. 1
QICID: 11432    January 1996    pp. 1-11
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Article Abstract

This article relates lessons that are useful in the analysis of uncertainties in a complex measurement process, through a case study. It distinguishes between the settings for confidence intervals and those for prediction intervals. It illustrates testing of an assumed variance, shows how to separate the variance contributors in a calibration curve, discusses the use of independence of variance components, gives first-order approximations for combining random errors, and emphasizes the necessity of writing all the contributors to uncertainty in a single mathematical expression.

Keywords

Uncertainty,Random effects,Measurement error,Case study,Calibration


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