Eventos Anais de eventos
COBEM 2019
25th International Congress of Mechanical Engineering
UNCERTAINTY QUANTIFICATION ON THE ADHESIVE LAYER FOR PASSIVE SHUNT CONTROL: CANTILEVER BEAM
Submission Author:
Luiz Felipe Ribas Motta , MT , Brazil
Co-Authors:
Luiz Felipe Ribas Motta, Guilherme Silva Prado, Venicio Silva Araujo, Heinsten Frederich Leal dos Santos
Presenter: Luiz Felipe Ribas Motta
doi://10.26678/ABCM.COBEM2019.COB2019-1998
Abstract
This work presents a quantification on performance under uncertainties on the adhesive layer, for passive vibration control of a cantilever beam using piezoelectric materials, bonded with epoxy adhesive. The piezoelectric patch is connected to independent resonant shunt circuit to provide a tuned optimal shunt control. To optimize the configuration of the electronic parameters were used a neural network trained with back-propagation, tuned to define an optimal value for Resistance and Inductance to produce damping for the first natural mode of the beam. In the present work, special attention is given to the thickness and Young's Modulus for an adhesive layer with a parametric analysis is performed to evaluate the influence in shunt control. For uncertainties quantification for adhesive layer, was used a distribution Gaussian p.d.f with 95% of the interval of confidence.
Keywords
Piezoelectric, Smart Structures, Uncertainties, Shunt Control, Neural Network
