A dimensionless parameter analysis of a cylindrical tube electromagnetic vibration energy harvester and its oscillator nonlinearity effect

Liu, Z, Wang, X, Zhang, R and Wang, L 2018, 'A dimensionless parameter analysis of a cylindrical tube electromagnetic vibration energy harvester and its oscillator nonlinearity effect', Energies, vol. 11, no. 1653, pp. 1-22.


Document type: Journal Article
Collection: Journal Articles

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Title A dimensionless parameter analysis of a cylindrical tube electromagnetic vibration energy harvester and its oscillator nonlinearity effect
Author(s) Liu, Z
Wang, X
Zhang, R
Wang, L
Year 2018
Journal name Energies
Volume number 11
Issue number 1653
Start page 1
End page 22
Total pages 22
Publisher M D P I AG
Abstract This paper investigates a single degree of freedom oscillator in a cylindrical tube vibration energy harvester which is applicable in a low-frequency range. A duffing-type nonlinear dynamic differential equation of the oscillator was developed for the nonlinear analysis and solved by using the harmonic balance method in order to widen energy harvesting frequency bandwidth. The exploitation of nonlinear spring force interactions of the oscillator to enhance the generators performance is also presented in this paper. The dimensionless harvested power formula of the nonlinear mass-spring-damper system was derived, and a parameter study was conducted for the design optimization of the harvester. The main contribution of this paper is to establish a dimensionless performance analysis method of a nonlinear electromagnetic vibration energy harvester system and to disclose the effects of the parameters and nonlinearity of the system on the harvesting performance.
Subject Circuits and Systems
Energy Generation, Conversion and Storage Engineering
Dynamics, Vibration and Vibration Control
Keyword(s) Dimensionless analysis
Nonlinear parameters
Electromagnetic
Vibration energy harvester
Monte Carlo simulation
Sensitivity analysis
DOI - identifier 10.3390/en11071653
Copyright notice © 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
ISSN 1996-1073
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