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Analogue Models of Rocking Suitcases and Snaking Trailers


A mechanical model is constructed for the stability analysis of two-wheeled suitcases and trailers. The main assumptions of the model are summarized and the linearized equations of motion are presented. The linear stability of the rectilinear motion is investigated, critical parameter values are determined for the different level of complexity of the model. Numerical simulations are used to verify the applicability of the model for the nonlinear analysis of the rocking motion of trailers.


  • Two-wheeled suitcase
  • Trailer
  • Non-smooth system
  • Non-holonomic system

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This research has been supported by the UNKP-18-2-I-BME-173 New National Excellence Program of the Ministry of Human Capacities Hungary. This research was funded by the National Research, Development and Innovation Office under grant no. NKFI-128422. The publication of the work reported herein has been supported by ETDB at BME.

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Correspondence to Zoltan Horvath .

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Horvath, Z., Takacs, D. (2020). Analogue Models of Rocking Suitcases and Snaking Trailers. In: Lacarbonara, W., Balachandran, B., Ma, J., Tenreiro Machado, J., Stepan, G. (eds) Nonlinear Dynamics of Structures, Systems and Devices. Springer, Cham.

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