Realistic Worst-Case Adhesion Characteristics Causing Maximum Wheel-Set Axle Vibrations

Meierhofer, Alexander; Simon, Gottfried; Šimůnek, David; Weber, Franz-Josef; Six, Klaus

doi:10.1007/978-3-031-07305-2_49

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2022

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“…Further investigations on the physics of torsional vibration have been performed by Liu et al [9], Xu et al [10], Konowrocki and Szolc [4], Meierhofer et al [11] and Fridrichovsky and Sulc [12]. First investigations on the physics of torsional vibrations have already been documented by Körner [13], Schwartz [14] and Buscher [15] in the 1980s.…”

Section: Introductionmentioning

confidence: 99%

Co-Simulation-Based Verification of Torsional Vibration Protection of Electric-Driven Railway Vehicle Wheelsets

et al. 2022

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Torsional vibration is an oscillation phenomenon occurring at driven railway vehicle wheelsets. As the resulting dynamic stresses can be significantly larger than the maximum static motor torque, axle and press fit are at risk of failure. To prevent dangerous vibration events and with these, press fit and axle from failure, traction drive manufactures nowadays used to implement vibration suppression algorithms in drive controls. In this paper, the effectiveness of such suppression algorithms is analyzed. Furthermore, as a pilot survey, we analyze to what extend traction controls influence the excitation of torsional vibration.

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