NDLI: A practical approach to evaluate the measurement uncertainty of virtual instruments

Content Provider	IEEE Xplore Digital Library
Author	Lampasi, D.A. Podesta, L.
Copyright Year	2004
Description	Author affiliation: Dept. of Electr. Eng., Univ. of Rome "La Sapienza", Italy (Lampasi, D.A.; Podesta, L.)
Abstract	Virtual instruments need a metrological characterization that is coherent with their philosophy. This paper analyzes the main features that a method should have to be suitable for the evaluation of the measurement uncertainty of virtual instruments. Especially the advantages of numerical methods are considered. For example, the general classification of error sources allows to include a lot of devices. Moreover, numerical methods are able to perform analysis directly on measured values, but it can introduce alteration on estimated parameters. Two implementations of these principles are presented. The former is a virtual analogy of a test bench. The latter exploits IVI (interchangeable virtual instruments) simulation capability. The analysis doesn't require code modifications and is independent of hardware and software structure.
Sponsorship	IEEE Instrumentation and Measurement Soc
Starting Page	146
Ending Page	151
File Size	482658
Page Count	6
File Format	PDF
ISBN	078038248X
ISSN	10915281
DOI	10.1109/IMTC.2004.1351016
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-05-18
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Measurement uncertainty Instruments Testing Hardware Digital signal processing Software measurement Computer interfaces Signal processing Transducers Performance evaluation
Content Type	Text
Resource Type	Article
Subject	Instrumentation Electrical and Electronic Engineering

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