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Multi-Source Energy Harvesting for Wireless Sensor Nodes.
KTH, School of Information and Communication Technology (ICT).
2012 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The past few years have seen an increasing interest in the development of wireless sensor networks. But the unsatisfactory or limited available energy source is one of the major bottlenecks which are limiting the wireless sensor technology from mass deployment. Ambient energy harvesting is the most promising solution towards autonomous sensor nodes by providing low cost, permanent, and maintenance-free energy source to wireless sensor nodes. In this paper, we first invested available energy source such as solar, vibration, thermal and other potential energy sources, and described the mathematical model of each energy source. Secondly, a novel adaptive topology maximum point power tracking method is proposed. This method is that changes the solar cells array from series to parallel or series-parallel mixed way to find out a best array that output the maximum power. This method also can be used in other energy source. At last, we purchased the matured energy generator: vibration, thermal, and solar panels to measure and verify the output power of each energy source. The experimental result showed that the conversion efficiency of this novel MPPT method can reach 60%-80% in outdoor and it is able to supply sufficient power to wireless sensor nodes.

Place, publisher, year, edition, pages
2012. , p. 64
Series
Trita-ICT-EX
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-102810OAI: oai:DiVA.org:kth-102810DiVA, id: diva2:556732
Educational program
Master of Science - System-on-Chip Design
Uppsok
Technology
Examiners
Available from: 2012-09-26 Created: 2012-09-26 Last updated: 2012-09-26Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf