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Title: Wireless drive of piezoelectric components
Authors: Satyanarayan Bhuyan
Keywords: DRNTU::Engineering::Electrical and electronic engineering
Issue Date: 2011
Source: Satyanarayan, B. (2011). Wireless drive of piezoelectric components. Doctoral thesis, Nanyang Technological University, Singapore.
Abstract: To widen the application range of piezoelectric devices, various new techniques including wireless drive of piezoelectric components by parallel plate capacitor structure, focused electric field, focused electric field structure in electric resonance with an inductor, dipole antenna-like structure, and flat spiral coil antenna-like electric field generator in resonance with a capacitor are proposed and investigated. A theoretical model is developed for the piezoelectric component operating in the thickness vibration mode wirelessly driven by an ac electric field, and summarized into an equivalent circuit, which can explain the experimental results well. The electric field patterns are analyzed by the finite element method (COMSOL Multiphysics) simulation in order to assess the electric field on the surface of wirelessly driven piezoelectric component. The mechanical vibration characteristics of the wirelessly driven piezoelectric component have been investigated. Furthermore, a method to merge microdroplets by using a wirelessly driven piezoelectric stage is proposed and experimentally investigated
DOI: 10.32657/10356/43535
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Theses

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