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Validation of simulation models in the context of railway vehicle acceptance
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2015 (English)In: Proceedings of the Institution of mechanical engineers. Part F, journal of rail and rapid transit, ISSN 0954-4097, E-ISSN 2041-3017, Vol. 229, no 6, 729-754 p.Article in journal (Refereed) Published
Abstract [en]

The evaluation of a reliable validation method, criteria and limit values suitable for model validation in the context of vehicle acceptance was one of the objectives of the DynoTRAIN project. The presented investigations represent a unique amount of testing, simulations, comparisons with measurements, and validation evaluations. The on-track measurements performed in four European countries included several different vehicles on a test train equipped to simultaneously record track irregularities and rail profiles. The simulations were performed using vehicle models built with the use of different simulation tools by different partners. The comparisons between simulation and measurement results were conducted for over 1000 simulations using a set of the same test sections for all vehicle models. The results were assessed by three different validation approaches: comparing values according to EN 14363; by subjective engineering judgement by project partners; and using so-called validation metrics, i.e. computable measures developed with the aim of increasing objectivity while still maintaining the level of agreement with engineering judgement. The proposed validation method uses the values computed by analogy with EN 14363 and provides validation limits that can be applied to a set of deviations between simulation and measurement values.

Place, publisher, year, edition, pages
2015. Vol. 229, no 6, 729-754 p.
Keyword [en]
Validation, railway vehicle model, simulation, running dynamics, vehicle acceptance, certification
National Category
Vehicle Engineering
Identifiers
URN: urn:nbn:se:kth:diva-173158DOI: 10.1177/0954409714554275ISI: 000358839500012Scopus ID: 2-s2.0-84938527377OAI: oai:DiVA.org:kth-173158DiVA: diva2:854730
Funder
EU, FP7, Seventh Framework Programme, 234079
Note

QC 20150917

Available from: 2015-09-17 Created: 2015-09-07 Last updated: 2017-12-04Bibliographically approved

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Berg, Mats

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
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  • nn-NB
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  • Other locale
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Output format
  • html
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  • asciidoc
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