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Influence of suspension modellingon predicted ride comforton passenger rail vehicles
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Rail Vehicles.
2017 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The purpose of this this report was to find the sources that led to the deviation between the simulation and measurement on the ride comfort evaluation of a high-speed train. This report consists of a literature study, introduction of the train where the measurement was taken on, result analysis and sensitivity test of the secondary suspension. The literature study focused on the modelling of secondary suspensions and the simulation of rail vehicles. The predicted results were compared with the measured results. Furthermore, comparison was carried out among three different secondary suspension concepts. The secondary suspensions went through a sensitivity test to see how the parameters influence the ride comfort evaluation of the rail vehicle.It was figured out that the main deviation between the simulation and the measurement was focused on a carbody where a hydraulic damper was introduced. The difference was mainly at 1.3Hz and between 7.5Hz and 9Hz.With the main deviations figured out, the sources that might influence the ride comfort evaluation was tested. It showed that the detail of track measurement had influence on the ride comfort evaluation. More detailed measurement should be carried out if higher agreement is wanted. The secondary suspensions went through a sensitivity test. The key parameters and their influence on ride comfort evaluation was pointed out. This report can be a guidance if further tuning on the parameters of the secondary suspensions are needed.

Place, publisher, year, edition, pages
2017. , 76 p.
Series
TRITA-AVE, ISSN 1651-7660 ; 2017:09
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-209195OAI: oai:DiVA.org:kth-209195DiVA: diva2:1110793
External cooperation
Bombardier Transportation Sweden AB
Supervisors
Examiners
Available from: 2017-06-16 Created: 2017-06-16 Last updated: 2017-06-16Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf