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Influence of Suspension Parameters Changes of a Railway Vehicle on Output Quantities

Authors
  • Dižo, Ján
  • Blatnický, Miroslav
  • Steišūnas, Stasys
  • Vaičiūnas, Gediminas
Type
Published Article
Journal
LOGI – Scientific Journal on Transport and Logistics
Publisher
Sciendo
Publication Date
May 01, 2019
Volume
10
Issue
1
Pages
20–29
Identifiers
DOI: 10.2478/logi-2019-0003
Source
De Gruyter
Keywords
License
Green

Abstract

This article deals with computer analyses of output quantities of a railway vehicle depending on changing of parameters of suspension system. A passenger car was chosen for dynamic analyses. An analysed passenger railway vehicle uses two stage suspension system composed of coil springs and hydraulic dampers. Stiffness of coil springs of primary and secondary suspensions were defined for two states and its influence on output values in terms of quality and quantity was evaluated. As output variables, values of forces in a wheel/rail contact and accelerations in several locations on a wagon body floor were chosen. Values of forces in a wheel/rail contact indicate dynamic response of a railway vehicle running in terms of running safety and values of accelerations serve as important input for evaluation of passenger ride comfort.

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