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Design of an electromagnetic-transducer energy harvester

Design of an electromagnetic-transducer energy harvester
Design of an electromagnetic-transducer energy harvester
This paper presents the design and the manufacturing of an electromagnetic-transducer energy harvester. The design considers the coupling between the mechanical vibrating behaviour, generated by a base excitation, and the electromagnetic conversion of energy, which is aimed to produce the voltage across a load resistance. The design is based on some constraints, which are related to the characteristics of the shaker and aimed to obtain the best performance of the device. Current tests show the presence friction at low input levels, which is associated with the gearbox. The output voltage and the harvested power of the device are studied experimentally for different values of load. By increasing the value of the load from zero (short circuit) to high values (open circuit) the swing angle increases, while the harvested power presents a peak associated with the electrical damping. Also, harmonic tests are run at resonance for different levels of excitation to demonstrate the effect of the nonlinearity on the voltage and the harvested power. A nonlinear load resistance, is then introduced as part of future work. The aim is to try to increase the harvested power with respect to the linear load, at low level of excitation.
1742-6588
1-12
Simeone, Luigi
b7d8532c-5701-40d3-87e0-a8cfefb65db6
Ghandchi Tehrani, Maryam
c2251e5b-a029-46e2-b585-422120a7bc44
Elliott, Stephen
721dc55c-8c3e-4895-b9c4-82f62abd3567
Simeone, Luigi
b7d8532c-5701-40d3-87e0-a8cfefb65db6
Ghandchi Tehrani, Maryam
c2251e5b-a029-46e2-b585-422120a7bc44
Elliott, Stephen
721dc55c-8c3e-4895-b9c4-82f62abd3567

Simeone, Luigi, Ghandchi Tehrani, Maryam and Elliott, Stephen (2016) Design of an electromagnetic-transducer energy harvester. Journal of Physics: Conference Series, 744 (1), 1-12. (doi:10.1088/1742-6596/744/1/012084).

Record type: Article

Abstract

This paper presents the design and the manufacturing of an electromagnetic-transducer energy harvester. The design considers the coupling between the mechanical vibrating behaviour, generated by a base excitation, and the electromagnetic conversion of energy, which is aimed to produce the voltage across a load resistance. The design is based on some constraints, which are related to the characteristics of the shaker and aimed to obtain the best performance of the device. Current tests show the presence friction at low input levels, which is associated with the gearbox. The output voltage and the harvested power of the device are studied experimentally for different values of load. By increasing the value of the load from zero (short circuit) to high values (open circuit) the swing angle increases, while the harvested power presents a peak associated with the electrical damping. Also, harmonic tests are run at resonance for different levels of excitation to demonstrate the effect of the nonlinearity on the voltage and the harvested power. A nonlinear load resistance, is then introduced as part of future work. The aim is to try to increase the harvested power with respect to the linear load, at low level of excitation.

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Accepted/In Press date: 12 August 2016
e-pub ahead of print date: October 2016
Organisations: Signal Processing & Control Grp

Identifiers

Local EPrints ID: 399591
URI: http://eprints.soton.ac.uk/id/eprint/399591
ISSN: 1742-6588
PURE UUID: 16ba96cd-0359-4efb-b890-2ccb8cfae250

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Date deposited: 19 Aug 2016 12:44
Last modified: 15 Mar 2024 05:49

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Contributors

Author: Luigi Simeone
Author: Stephen Elliott

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