Modeling of a multi-electrodes traveling-wave piezoelectric transformer

Thomas Martinez; Dejan Vasic; Gaël Pillonnet; François Costa

doi:10.1117/12.2297639

15 March 2018 Modeling of a multi-electrodes traveling-wave piezoelectric transformer

Thomas Martinez, Dejan Vasic, Gaël Pillonnet, François Costa

Proceedings Volume 10595, Active and Passive Smart Structures and Integrated Systems XII; 105952B (2018) https://doi.org/10.1117/12.2297639
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2018, Denver, Colorado, United States

Abstract

This paper proposes a compact electromechanical modeling of multi-electrode piezoelectric transformer. This modeling can be applied to the study of standing or traveling flexural wave in piezoelectric systems and especially for ring type piezoelectric transformers. This modelling is based on the Euler-Bernoulli beam theory and from this theory and piezoelectric equations, transfer matrixes linking stresses, velocities and voltages for a beam are determined. In piezoelectric systems with no mechanical boundary in the propagation direction of the wave, for example a ring, an admittance matrix is obtained from the modeling linking all the currents and voltages. This modelling allows moreover the representation and electrical simulation of a piezoelectric element subjected to a traveling wave.

Conference Presentation

Citation Download Citation

Thomas Martinez, Dejan Vasic, Gaël Pillonnet, and François Costa "Modeling of a multi-electrodes traveling-wave piezoelectric transformer", Proc. SPIE 10595, Active and Passive Smart Structures and Integrated Systems XII, 105952B (15 March 2018); https://doi.org/10.1117/12.2297639

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