Comparative Analysis of Axlebox Accelerations in Correlation with Track Geometry Irregularities

Comparative Analysis of Axlebox Accelerations in Correlation with Track Geometry Irregularities


  • Journal title: Acta Technica Jaurinensis
  • ISSN: 2064-5228 (online)
  • Publisher: Szechenyi Istvan University
  • Country of publisher: hungary
  • Platform/Host/Aggregator: Open journal system ojs
  • Date added to EuroPub: 2019/Sep/29

Subject and more

  • LCC Subject Category: Engineering, Multidisciplinary
  • Publisher's keywords: track geometry, axlebox acceleration, vehicle response, decolouring
  • Language of fulltext: english
  • Full-text formats available: PDF
  • Time From Submission to Publication: 14


    Csaba Ágh


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Stochastic track irregularities influence additional dynamic forces developed in the vehicle-track interaction that lead to faster deterioration of track. For economical track maintenance it is important to understand the relationship between the irregularities recorded by conventional track geometry measuring car and the resulting dynamic vehicle responses. This paper focuses on the correlation between lateral and vertical axlebox accelerations and differently processed track geometry parameters based on a real measurement run on straight track. Decolouring of chord-offset measurement results was performed and derivatives of track geometry parameters were calculated for comparison. Those track geometry parameters have been selected which provide the most accurate information about the recorded wheelset accelerations caused by track geometry irregularities, e.g. second order derivative of cross level.

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