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- Staaf, Henrik,1976Chalmers tekniska högskola,Chalmers University of Technology (author)
Effective piezoelectric energy harvesting with bandwidth enhancement by assymetry augmented self-tuning of conjoined cantilevers
- Article/chapterEnglish2019
Publisher, publication year, extent ...
- Elsevier BV,2019
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- LIBRIS-ID:oai:research.chalmers.se:8e21c882-6d49-4317-8594-d884d2f5bf02
- https://research.chalmers.se/publication/505521URI
- https://research.chalmers.se/publication/509950URI
- https://doi.org/10.1016/j.ijmecsci.2018.09.050DOI
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- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- Vibrational energy harvesting offers a potential power supply for future intelligent wireless sensors. In order to make vibrational energy harvesters more useful, a broad bandwidth is desirable since many vibrations are stochastic in nature. In this paper we use a piezoelectric self-tuning energy harvester to demonstrate the importance of designing for asymmetry in a system of conjoined cantilevers. Asymmetry is achieved by varying the piezoelectric cantilever lengths as well as the proof mass weights. In addition to bandwidth broadening, a self-tuning effect is experimentally demonstrated by a sliding mass. The measurement results confirm previous model predictions.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik Kommunikationssystem hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Communication Systems hsv//eng
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik Inbäddad systemteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Embedded Systems hsv//eng
- self-tuning
- intelligent wireless sensor
- Piezoelectric energy harvesting
Added entries (persons, corporate bodies, meetings, titles ...)
- Smith, Anderson David,1985Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)smdavid (author)
- Lundgren, Per,1968Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)boris (author)
- Folkow, Peter,1968Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)folkow (author)
- Enoksson, Peter,1957Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)enok (author)
- Chalmers tekniska högskola (creator_code:org_t)
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- In:International Journal of Mechanical Sciences: Elsevier BV150, s. 1-110020-7403
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