Limit on Converted Power in Resonant Electrostatic Vibration Energy Harvesters

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Title: Limit on Converted Power in Resonant Electrostatic Vibration Energy Harvesters
Authors: Blokhina, Elena
Galayko, Dimitri
Harte, Peter
Basset, Philippe
Feely, Orla
Permanent link: http://hdl.handle.net/10197/4277
Date: 24-Oct-2012
Abstract: Based on the formal analysis of a resonant electrostatic vibration energy harvester operating in constant-charge mode with a gap-closing transducer, we show that the system displays universal behaviour patterns. In this paper, we treat the harvester as a nonlinear forced oscillator and bound the area of control parameters where the system displays regular harmonic oscillations allowing the conditioning circuit to operate in the most effective mode. Before the system exhibits irregular behaviour, there exists a universal optimal value of normalised converted power regardless of the system design and control parameters.
Funding Details: Science Foundation Ireland
Type of material: Journal Article
Publisher: American Institute of Physics
Copyright (published version): 2012 American Institute of Physics
Keywords: Vibration energy harvesting;Electrostatics;Energy harvesting;Oscillations;Oscillators;Vibrations
DOI: 10.1063/1.4764009
Language: en
Status of Item: Peer reviewed
Appears in Collections:Electrical and Electronic Engineering Research Collection

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