A Planar Electromagnetic Vibration Energy Harvester with a Halbach Array
A Planar Electromagnetic Vibration Energy Harvester with a Halbach Array
This paper presents a low-profile, planar electromagnetic vibration energy harvester integrated with a Halbach array. Halbach array is a special arrangement of permanent magnets that doubles the magnetic field on one side of the array while cancelling the field to near zero on the other side. Using this arrangement can improve electromagnetic coupling in a limited space. The energy harvester has a resonant frequency of 44.9Hz and generated an average power of over 120µW when excited at 0.3g (1g = 9.8m•s-2). The electromagnetic vibration energy harvester reported here is only 4mm thick, which makes it one of the thinnest electromagnetic energy harvesters among existing non-MEMS devices.
Zhu, Dibin
ec52eae1-39fa-427c-968b-e76089a464a6
Beeby, Steve
ba565001-2812-4300-89f1-fe5a437ecb0d
Tudor, John
46eea408-2246-4aa0-8b44-86169ed601ff
Harris, Nick
237cfdbd-86e4-4025-869c-c85136f14dfd
November 2011
Zhu, Dibin
ec52eae1-39fa-427c-968b-e76089a464a6
Beeby, Steve
ba565001-2812-4300-89f1-fe5a437ecb0d
Tudor, John
46eea408-2246-4aa0-8b44-86169ed601ff
Harris, Nick
237cfdbd-86e4-4025-869c-c85136f14dfd
Zhu, Dibin, Beeby, Steve, Tudor, John and Harris, Nick
(2011)
A Planar Electromagnetic Vibration Energy Harvester with a Halbach Array.
PowerMEMS 2011, Seoul, Korea.
15 - 18 Nov 2011.
Record type:
Conference or Workshop Item
(Poster)
Abstract
This paper presents a low-profile, planar electromagnetic vibration energy harvester integrated with a Halbach array. Halbach array is a special arrangement of permanent magnets that doubles the magnetic field on one side of the array while cancelling the field to near zero on the other side. Using this arrangement can improve electromagnetic coupling in a limited space. The energy harvester has a resonant frequency of 44.9Hz and generated an average power of over 120µW when excited at 0.3g (1g = 9.8m•s-2). The electromagnetic vibration energy harvester reported here is only 4mm thick, which makes it one of the thinnest electromagnetic energy harvesters among existing non-MEMS devices.
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A Planar Electromagnetic Vibration Energy Harvester with a Halbach Array_4p.pdf
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More information
Published date: November 2011
Additional Information:
Event Dates: November 15 - 18
Venue - Dates:
PowerMEMS 2011, Seoul, Korea, 2011-11-15 - 2011-11-18
Organisations:
EEE
Identifiers
Local EPrints ID: 273016
URI: http://eprints.soton.ac.uk/id/eprint/273016
PURE UUID: 32395049-f654-4e2c-b94f-1cf78db2f565
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Date deposited: 18 Nov 2011 00:29
Last modified: 15 Mar 2024 02:46
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Contributors
Author:
Dibin Zhu
Author:
Steve Beeby
Author:
John Tudor
Author:
Nick Harris
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