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Calibration report: Samgods version 1.1.1
Swedish National Road and Transport Research Institute, Society, environment and transport, Traffic analysis and logistics.
Swedish National Road and Transport Research Institute, Society, environment and transport, Traffic analysis and logistics.ORCID iD: 0000-0003-0767-5169
2018 (English)Report (Other academic)Alternative title
Kalibreringsrapport : Samgods version 1.1.1 (Swedish)
Abstract [en]

The Samgods model is used for describing and analyzing the Swedish goods transportation system on an overall national level. The Swedish Transport Administration is responsible for its maintenance and development. The current version 1.1, from 1 April 2016, is planned to be replaced by version 1.1.1 in April 2018.

In this report, changes made from version 1.1 to 1.1.1 in the model are described, as well as the effects these changes have on the more important output from the model. In version 1.1.1, new cost input data has necessitated a recalibration of the model and new values for the calibration parameters have been produced. In principle, the same types of calibration parameters are used in the new version as in the previous one. Particular focus is on the deviations between model output and the statistical data being used as calibration targets. Comparisons of these deviations between versions 1.1 and 1.1.1 are also presented.

Abstract [sv]

Samgodsmodellen är en modell för att beskriva och analysera det svenska godstransportsystemet på en övergripande nationell nivå. Trafikverket ansvarar för förvaltning och utveckling av modellen. Den nuvarande version 1.1, utgiven 1 april 2016, planeras ersättas av version 1.1.1, 1 april 2018.

I notatet beskrivs de förändringar som gjorts i Samgodsmodellen från version 1.1 till version 1.1.1 och de effekter dessa förändringar haft när det gäller de viktigaste utdatavariablerna. I version 1.1.1 har framför allt nya kostnadsindata gjort det nödvändigt att kalibrera om modellen och nya kalibreringsparametrar har tagits fram. I princip används samma typ av kalibreringsparametrar i den nya versionen som i den tidigare. Speciellt fokus ligger på avvikelserna mellan modellberäknade resultat och de statistiska data som använts som kalibreringsmål. I notatet beskrivs även hur dessa avvikelser förändrats från version 1.1 till version 1.1.1.

Place, publisher, year, edition, pages
Linköping: Statens väg- och transportforskningsinstitut, 2018.
Series
VTI notat ; 4A-2018
Identifiers
URN: urn:nbn:se:vti:diva-12872OAI: oai:DiVA.org:vti-12872DiVA, id: diva2:1195205
Available from: 2018-04-04 Created: 2018-04-04 Last updated: 2018-04-04Bibliographically approved

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Karlsson, RuneBernhardsson, Viktor

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CiteExportLink to record
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Citation style
  • apa
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