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A credit card sized self powered smart sensor node

Zhu, Dibin, Beeby, Steve, Tudor, John and Harris, Nick (2011) A credit card sized self powered smart sensor node Sensors and Actuators A: Physical, 169, (2), pp. 317-325. (doi:10.1016/j.sna.2011.01.015).

Record type: Article

Abstract

This paper reports a self powered smart sensor node (also called ‘smart tag’) consisting of a piezoelectric vibration energy harvester, a power conditioning circuit, sensors and an RF transmitter. The smart tag has dimensions similar to a credit card and can be easily integrated into various applications such as the surface of the aircraft. The smart tag is powered by an integrated bimorph piezoelectric generator that extracts energy from ambient vibrations. The generator is fabricated using thick film printing technology. Experimentally, the generator produced a maximum RMS output power of 240 μW when excited at vibration with a frequency of 67 Hz and peak amplitude of 0.4 g (3.9 m s-2). This generated power is sufficient to enable periodic sensing and transmission. Details of the experimental results of the piezoelectric generator and the power conditioning circuit are presented. Test shows that the waiting time of the system between two consecutive transmissions is around 800 s.

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Published date: October 2011
Organisations: EEE

Identifiers

Local EPrints ID: 272289
URI: http://eprints.soton.ac.uk/id/eprint/272289
ISSN: 0924-4247
PURE UUID: d70536e9-2ad0-4028-8cec-c7f44e97eb37
ORCID for Steve Beeby: ORCID iD orcid.org/0000-0002-0800-1759
ORCID for Nick Harris: ORCID iD orcid.org/0000-0003-4122-2219

Catalogue record

Date deposited: 17 May 2011 10:45
Last modified: 18 Jul 2017 06:26

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Contributors

Author: Dibin Zhu
Author: Steve Beeby ORCID iD
Author: John Tudor
Author: Nick Harris ORCID iD

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