Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.mseb.2011.05.045
Title: Piezoelectric components wirelessly driven by dipole antenna-like electric field generator
Authors: Bhuyan, S. 
Kumar, R. 
Panda, S.K. 
Hu, J.
Keywords: Dipole antenna
Finite element analysis
Piezoelectric
Resonance
Wireless drive
Issue Date: 25-Aug-2011
Citation: Bhuyan, S., Kumar, R., Panda, S.K., Hu, J. (2011-08-25). Piezoelectric components wirelessly driven by dipole antenna-like electric field generator. Materials Science and Engineering B: Solid-State Materials for Advanced Technology 176 (14) : 1085-1092. ScholarBank@NUS Repository. https://doi.org/10.1016/j.mseb.2011.05.045
Abstract: A new technique of transmitting electric energy wirelessly to piezoelectric components by using a dipole antenna-like electric field generator is explored. Two square size brass plate-shaped live and ground electrodes are used to form a dipole antenna-like electric field generator. When the dipole antenna-like electric field generator in electric resonance with an inductor, a maximum output power of 2.72 mW and an energy conversion efficiency of 0.0174% have been achieved wirelessly by the piezoelectric plate area of 40 mm2 operating in the thickness vibration mode, placed at the center 4 mm away from the antenna plane with an optimum electrical load of 1365 Ω, resonant frequency of 782 kHz, 1 cm electrodes separation, 2500 cm2 electrode area of dipole antenna-like structure, and input ac source power of 15.58 W applied to the series of dipole antenna-like structure and inductor. The theoretically calculated results have been validated by the experimental studies. It is seen that at the resonance frequency and optimum electrical load, the output power of the wirelessly driven piezoelectric component decreases with the size of piezoelectric component, distance of piezoelectric component from the electrode of antenna plane, but increases with the antenna electrode area. © 2011 Elsevier B.V.
Source Title: Materials Science and Engineering B: Solid-State Materials for Advanced Technology
URI: http://scholarbank.nus.edu.sg/handle/10635/82911
ISSN: 09215107
DOI: 10.1016/j.mseb.2011.05.045
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