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Inverse problems of measurement with application on specification of surface profile

Ding, Hao, Scott, Paul J. and Jiang, Xiang (2013) Inverse problems of measurement with application on specification of surface profile. In: Proceedings of Computing and Engineering Annual Researchers' Conference 2013 : CEARC'13. University of Huddersfield, Huddersfield, p. 229. ISBN 9781862181212

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Abstract

For the contact surface measurement, a contradiction of the specification of surface profile (ISO1101, 2005) is pointed out according to the properties of morphological filters: when an actual surface profile coincides with the USL (upper spec. limit), thus within specification, the measurement result (without errors) would, however, be out of specification. To understand and avoid this contradiction, the relationship between the observed data of the measurement process and the (true) values of the measurand (quantity to be measured) need to be understood. The inverse problem of measurement (IPM) is defined base on the representational measurement theory, which can be used to formulate that relationship in terms of mappings. Base on the concept of IPM, the inverse problem of contact surface measurement is defined, and the essential reason of the contradiction can be explained. Moreover, a desired property of specification
limits is derived. Thereby, a correction of the USL of surface profile is proposed for solving the
contradiction.

Item Type: Book Chapter
Uncontrolled Keywords: specification of surface profile; inverse problems; measurement theory; morphological filters.
Subjects: T Technology > T Technology (General)
T Technology > TA Engineering (General). Civil engineering (General)
Schools: School of Computing and Engineering
School of Computing and Engineering > Computing and Engineering Annual Researchers' Conference (CEARC)
School of Computing and Engineering > Centre for Precision Technologies > Surface Metrology Group
Related URLs:
Depositing User: Sharon Beastall
Date Deposited: 19 Dec 2013 10:45
Last Modified: 09 Dec 2016 17:54
URI: http://eprints.hud.ac.uk/id/eprint/19400

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