Vibration characterization procedure of piezoelectric ceramic parameters

To integrate new functionalities inside the mechanical structures for active vibration control, mechatronic, energy harvesting or fatigue management, it is necessary to developp a real fully distributed set of transducers and to include them at the heart of composite materials. To reach this goal, it is absolutely necessary to limit the cost of the numerous transducing elements with respect to the global system cost and, in the same time, to well-know the electromechanical behavior of theses transducers in order to well-design the system controller. In this paper, an experimental non-destructive procedure based on the analysis of anti-resonance and resonance frequencies of the transducers is proposed for determining the material coefficients of interest. This measurement process is applied to low-cost thin disks made of piezoceramics.

Abstract licence: CC BY

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