Abstract
The present work considers the possibility of vibration control of a distributed dynamicalsystem, such as flexible plates using local piezoelectric (PZT) actuators/sensors and theelectromechanical admittance concept. When PZT actuators bonded on structures are usedin active vibration and acoustic control, the desired deformation field in the structure isobtained through the application of localized line forces and moments generated byapplying an appropriate electrical field on the outer surfaces of the PZT patches. Theelectromechanical admittance generated at the electrical terminals of a PZT-driven smartstructure is then extracted to synthesize a desired damping performance. This is achievedby a FEM-based minimization of the difference between the computed and thedesired electromechanical admittance signature for investigated frequency ranges.
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