Influence of the fibre damping computational model in a mechanical system on the coincidence with the experimental measurement results
Keywords:
fibre, mechanical system, dynamic response, phenomenological modelAbstract
Experimental measurements focused on the investigation of fiber behaviour are performed on an assembled weight-fibre-pulley-drive mechanical system. The carbon fibre driven by one drive is led over a pulley. At its other end there is a prismshaped steel weight which moves in a prismatic linkage on an inclined plane. In the presented case, the position of the weight is symmetric with respect to the plane of drive-pulley symmetry. Drive periodic excitation signals can be of different shapes with the possibility of variation of a signal rate. Time histories of the weight position and the force acting in the fibre are measured. The same system is numerically investigated by means of multibody models. In the computational model, the influence of the fibre damping coefficient exerted both on the coincidence of the simulation results and the experimental measurement results is evaluated. The main aim of simulations is to create a phenomenological model of a fibre which will beutilizable in fibre modelling in the case of more complicated mechanical or mechatronic systems.Downloads
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