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Optimum Damping of Beam Vibrations Using Piezoceramic Transducers
In this thesis a piezo-electro-mechanical system, constituted of an aluminum
beam with five piezoelectric patches glued on it, each of them shunted with
an RL electrical circuit, has been numerically and experimentally
investigated, in order to determine the optimal electric tuning parameters
for vibration damping. A numerical code based upon Galerkin
weighted-residual method is developed and the complete
piezo-electro-mechanical system is designed, realized and finally tested by
a standard modal testing technique. Comparisons between different shunting
configurations of the system are given and finally the experimental data are
compared with ones obtained by the developed numerical code in order to
verify the accuracy of the latter.