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Analytical model for the energy harvesting of a spherical sensor from ambient vibrations

Daher Diab 1, 2 Fabrice Lefebvre 1, 2 Georges Nassar 1, 2 Nikolay Smagin 1, 3 Adnan Naja 4 Fawaz El Omar 4 
2 MAMINA - IEMN - Matériaux et Acoustiques pour MIcro et NAno systèmes intégrés - IEMN
IEMN-DOAE - Institut d’Électronique, de Microélectronique et de Nanotechnologie - Département Opto-Acousto-Électronique - UMR 8520
3 TPIA - IEMN - Transduction, Propagation et Imagerie Acoustique - IEMN
IEMN-DOAE - Institut d’Électronique, de Microélectronique et de Nanotechnologie - Département Opto-Acousto-Électronique - UMR 8520
Abstract : In this work an analytical model for the energy harvesting of an acoustic spherical sensor has been developed in the context to make it autonomous. Our spherical sensor is composed of two half-spheres of Plexiglas and a piezoelectric ring of PZ26 that can be used as exciter or sensor. For the analytical model, the piezoelectric ring was modeled using two primary modes of vibration: thickness and radial. For each mode, the ring is described by an equivalent electromechanical model which connects the mechanical part (forces and velocities) to the electrical part (voltage and current). The proposed paper theoretical model enables building a global electromechanical circuit in order to simulate the total harvested voltage response.
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https://hal-uphf.archives-ouvertes.fr/hal-03563959
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Submitted on : Tuesday, July 12, 2022 - 5:26:13 PM
Last modification on : Tuesday, July 19, 2022 - 9:11:26 AM

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Daher Diab, Fabrice Lefebvre, Georges Nassar, Nikolay Smagin, Adnan Naja, et al.. Analytical model for the energy harvesting of a spherical sensor from ambient vibrations. 1st International Conference on Energy, Power, Petroleum and Petrochemical Engineering, E3PE 2017, Apr 2017, Beirut, Lebanon. pp.62-66, ⟨10.1051/matecconf/201817102006⟩. ⟨hal-03563959⟩

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