MODELLING AND SIMULATION OF ROCKING SUITCASES

Hanna Zsofia Horvath, Denes Takacs

Abstract


The rocking motion of two-wheeled suitcases is investigated. A rigid body mechanical model of the suitcase is constructed. All of the possible motion states (both wheels on the ground, one wheel on the ground, none of the wheels on the ground) are taken into account. The switching between the motion states is accomplished by a simple impact model. The motion of the suitcase is investigated through numerical simulations, furthermore the domain of the attraction of the stable rectilinear motion is identified. The model is partly validated by experiments.

Keywords


stability, suitcase, non-smooth system, non-linear system

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ISSN 2336-5382 (Online)
Published by the Czech Technical University in Prague