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http://dx.doi.org/10.7467/KSAE.2013.21.2.122

A Study on the Dynamic Analysis of Railway Vehicle by Using Track Coordinate System  

Kang, Juseok (Department of Railway Vehicle System Engineering, Korea National University of Transportation)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.21, no.2, 2013 , pp. 122-130 More about this Journal
Abstract
Rail geometries such as cant, grade and curvature can be easily represented by means of a track coordinate system. In this analysis, in order to derive a dynamic and constraint equation of a wheelset, the track coordinate system is used as an intermediate stage. Dynamic and constraint equations of railway vehicle bodies except the wheelset are written in the Cartesian coordinate system as a conventional method. Therefore, whole dynamic equations of a railway vehicle are derived by combining wheelset dynamic equations and dynamic equations of railway vehicle bodies. Constraint equations and constraint Jacobians are newly derived for the track coordinate system. A process for numerical analysis is suggested for the derived dynamic and constraint equations of a railway vehicle. The proposed dynamic analysis of a railway vehicle is validated by comparison against results obtained from VI-RAIL analysis.
Keywords
Track coordinate system; Dynamic equation; Constraint equation; Wheelset; Railway vehicle;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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