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Rotary bistable and Parametrically Excited Vibration Energy Harvesting

Kurmann, Lukas
; 
Jia, Yu
; 
Hoffmann, Daniel
; 
Manoli, Yiannos
; 
Woias, Peter
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Affiliation
University of Applied Sciences and Arts Northwestern Switzerland; University of Chester; Hahn-Schickard; University of Freiburg
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Publication Date
2016-12-06
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Mechanical Engineering
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Abstract
Parametric resonance is a type of nonlinear vibration phenomenon [1], [2] induced from the periodic modulation of at least one of the system parameters and has the potential to exhibit interesting higher order nonlinear behaviour [3]. Parametrically excited vibration energy harvesters have been previously shown to enhance both the power amplitude [4] and the frequency bandwidth [5] when compared to the conventional direct resonant approach. However, to practically activate the more profitable regions of parametric resonance, additional design mechanisms [6], [7] are required to overcome a critical initiation threshold amplitude. One route is to establish an autoparametric system where external direct excitation is internally coupled to parametric excitation [8]. For a coupled two degrees of freedom (DoF) oscillatory system, principal autoparametric resonance can be achieved when the natural frequency of the first DoF f1 is twice that of the second DoF f2 and the external excitation is in the vicinity of f1. This paper looks at combining rotary and translatory motion and use autoparametric resonance phenomena.
Citation
Kurmann, L., Jia, Y., Hoffmann, D., Manoli, Y. & Woias, P. (2016). Rotary bistable vibration energy harvesting. Journal of Physics Conference Series, 773(1).
Publisher
IOP Publishing
Journal
Journal of Physics: Conference Series
Research Unit
URI
http://hdl.handle.net/10034/620416
DOI
10.1088/1742-6596/773/1/012007
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PubMed Central ID
Type
Article
Language
en
Description
This document is the Accepted Manuscript version of a published work that appeared in final form in Journal of Physics: Conference Series. To access the final edited and published work see http://dx.doi.org/10.1088/1742-6596/773/1/012007
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ISSN
1742-6588
EISSN
1742-6596
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http://iopscience.iop.org/article/10.1088/1742-6596/773/1/012007