Analysis of the admittance of symmetrical triple-layer flexural piezoelectric vibrator
作者： Gong Li-Jiao , Li Jiang-Quan , Wang Yu-Shan
DOI: 10.1109/ISAF.2011.6014126
关键词: Piezoelectric motor 、 Piezoelectric sensor 、 Acoustics 、 Admittance 、 Piezoelectricity 、 PMUT 、 Piezoelectric coefficient 、 Vibrator (mechanical) 、 Materials science 、 Piezoelectric accelerometer
摘要: Piezoelectric materials are frequently used as transducers. bending mode elements can be to harvest vibration energy because they convert mechanical into electrical energy. In this article, we present the derivation of equation for admittance symmetrical triple-layer flexural piezoelectric vibrator. The vibrator is here made a sandwich: two layers ceramics separated by thin layer conductive material. These often connected electrically in series when sensing or harvesting resonance given. analyze characteristics and equivalent circuits calculate constants vibrators.
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