Esward, T; Eichstädt, S; Smith, I; Bruns, T; Davis, P; Harris, P (2019) Estimating dynamic mechanical quantities and their associated uncertainties: application guidance. Metrologia, 56 (1). 015002. ISSN 0026-1394

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Abstract

Recently several European National Measurement Institutes (NMIs) have established traceable calibration methods for dynamic mechanical quantities, e.g., dynamic force, torque and pressure. However, the application of dynamic calibration certificate information by end users in industry and elsewhere is not straightforward. Typically it will be necessary to employ deconvolution techniques to obtain estimates of measurands, and the deconvolution method itself and the required algorithms will be a source of uncertainties that must be included in uncertainty budgets. There is a need for practical guidance for end-users about how to use the newly-available dynamic calibration information. To this end, we set out an approach to the evaluation of uncertainties associated with dynamic measurements that we believe covers the most relevant cases in application. The methods have been embodied in publicly-available software that can be downloaded from https://github.com/eichstaedtPTB/PyDynamic and we show how our methods can be used to tackle some example problems. We believe that they lead to more reliable estimates of the relevant measurands and their associated uncertainties.

Item Type:	Article
Subjects:	Mathematics and Scientific Computing > Signal Processing
Divisions:	Data Science
Identification number/DOI:	10.1088/1681-7575/aaeeba
Last Modified:	18 Feb 2019 14:51
URI:	https://eprintspublications.npl.co.uk/id/eprint/8300