Dynamics of a railway vehicle on a laterally disturbed track

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In this article a theoretical investigation of the dynamics of a railway bogie running on a tangent track with a periodic disturbance of the lateral track geometry is presented. The dynamics is computed for two values of the speed of the vehicle in combination with different values of the wavelength and amplitude of the disturbance. Depending on the combinations of the speed, the wavelength and the amplitude, straight line forward motion, different modes of symmetric or asymmetric periodic oscillations or aperiodic motions, which are presumably chaotic, are found. Statistical methods are applied for the investigation. In the case of sinusoidal oscillations they provide information about the phase shift between the different variables and the amplitudes of the oscillations. In the case of an aperiodic motion the statistical measures indicate some non-smooth transitions.
Original languageEnglish
JournalVehicle System Dynamics
Issue number2
Pages (from-to)249-280
Publication statusPublished - 2017


  • Vehicle dynamics
  • Nonlinear dynamics
  • Track irregularities

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