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Over Range Protection For A Tunable Kinetic Energy Harvester

Over Range Protection For A Tunable Kinetic Energy Harvester
Over Range Protection For A Tunable Kinetic Energy Harvester
This paper describes the development and implementation of an over range protection mechanism which controls the displacement of a kinetic energy harvester when the environmental excitation amplitude increases beyond a maximum tolerable level. This prevents damage to the harvester’s structure due to impact or excessive stress. The control of the displacement is achieved by adjusting the harvester’s resonant frequency to a different frequency than that of the excitation, effectively reducing the mass displacement. This strategy increases the maximum tolerable level of acceleration by 257% from 2.75 ms-2 (rms) to 9.81 ms-2 (rms), in this implementation.
978-9-07380-288-9
Ayala Garcia, Ivo
72097522-d05b-49c6-b997-faeec3b1bb2e
Zhu, Dibin
ec52eae1-39fa-427c-968b-e76089a464a6
Tudor, John
46eea408-2246-4aa0-8b44-86169ed601ff
Beeby, Steve
ba565001-2812-4300-89f1-fe5a437ecb0d
Ayala Garcia, Ivo
72097522-d05b-49c6-b997-faeec3b1bb2e
Zhu, Dibin
ec52eae1-39fa-427c-968b-e76089a464a6
Tudor, John
46eea408-2246-4aa0-8b44-86169ed601ff
Beeby, Steve
ba565001-2812-4300-89f1-fe5a437ecb0d

Ayala Garcia, Ivo, Zhu, Dibin, Tudor, John and Beeby, Steve (2010) Over Range Protection For A Tunable Kinetic Energy Harvester. At PowerMEMS 2010 PowerMEMS 2010, Belgium. 01 - 03 Dec 2010.

Record type: Conference or Workshop Item (Poster)

Abstract

This paper describes the development and implementation of an over range protection mechanism which controls the displacement of a kinetic energy harvester when the environmental excitation amplitude increases beyond a maximum tolerable level. This prevents damage to the harvester’s structure due to impact or excessive stress. The control of the displacement is achieved by adjusting the harvester’s resonant frequency to a different frequency than that of the excitation, effectively reducing the mass displacement. This strategy increases the maximum tolerable level of acceleration by 257% from 2.75 ms-2 (rms) to 9.81 ms-2 (rms), in this implementation.

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More information

Published date: 1 December 2010
Additional Information: Event Dates: December 1 - 3
Venue - Dates: PowerMEMS 2010, Belgium, 2010-12-01 - 2010-12-03
Organisations: EEE

Identifiers

Local EPrints ID: 271760
URI: https://eprints.soton.ac.uk/id/eprint/271760
ISBN: 978-9-07380-288-9
PURE UUID: 5521c307-2812-4c06-a183-1007d803a867
ORCID for Steve Beeby: ORCID iD orcid.org/0000-0002-0800-1759

Catalogue record

Date deposited: 08 Dec 2010 11:38
Last modified: 06 Jun 2018 13:07

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