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2020 | OriginalPaper | Chapter

Which Parameters Determine the Type of Bogie Hunting Bifurcation?

Authors: Oldrich Polach, Jonas Vuitton

Published in: Advances in Dynamics of Vehicles on Roads and Tracks

Publisher: Springer International Publishing

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Abstract

An important question of railway vehicle dynamics is to understand which parameters affect the transformation between sub- and supercritical bifurcation in the stability assessment. Recent studies report effects of the equivalent conicity, the wheelset guidance stiffness and other parameters. Performing parameter variations using a typical bogie model with linear suspension components but considering all nonlinearities of wheel/rail contact geometry, this paper shows that the type of bifurcation depends predominantly on the nonlinearity of the wheel/rail contact geometry, while the effects of the equivalent conicity, the creep forces and the wheelset guidance stiffness are less important.
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Metadata
Title
Which Parameters Determine the Type of Bogie Hunting Bifurcation?
Authors
Oldrich Polach
Jonas Vuitton
Copyright Year
2020
DOI
https://doi.org/10.1007/978-3-030-38077-9_57

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