On the problems of lateral force effects of railway vehicles in S-curves
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2021
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This paper deals with the lateral force effects of conventional four-axle railway vehicles in conditions of S-shape curves, which are represented especially by switches negotiated in the diverging direction. With the use of a multi-body model of an electric locomotive, a sensitivity analysis of selected vehicle parameters on the maximum guiding force in the S-curve is performed. Subsequently, a definition of so-called equivalent guiding force is proposed. This simplified parameter can be used for the purposes of a quantification of the damaging effects of a vehicle in switches, e.g. in wear-dependent track access charge systems. Attention is also paid to the particularities of systems for active radial bogie or wheelset steering in conditions of tight S-curves and relevant requirements on these systems. The problem of a punctual on-board recognition of the S-curve is demonstrated using experimental data measured on an electric locomotive.
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0042-3114
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Vehicle System Dynamics, volume Neuveden, issue: 22.04.2021
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https://doi.org/10.1080/00423114.2021.1917631
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S-curve, equivalent guiding force, four-axle vehicle, multi-body simulation, active radial wheelset steering, active yaw dampers, S-oblouk, ekvivalentní vodicí síla, čtyřnápravové vozidlo, multi-body simulace, aktivní radiální stavění dvojkolí, aktivní tlumiče vrtivých pohybů
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Except where otherwised noted, this item's license is described as open access