Coupled Numerical Model of Vibration-Based Harvester
1
Department of Theoretical and Experimental Electrical Engineering, Brno University of Technology, Technicka 12, 616 00 Brno, Czech Republic
2
SIX Centre—Department of Theoretical and Experimental Electrical Engineering, Brno University of Technology, Technicka 12, 616 00 Brno, Czech Republic
3
CVVOZE Centre—Department of Theoretical and Experimental Electrical Engineering, Brno University of Technology, Technicka 12, 616 00 Brno, Czech Republic
*
Author to whom correspondence should be addressed.
Appl. Sci. 2020, 10(8), 2725; https://doi.org/10.3390/app10082725
Received: 10 March 2020 / Revised: 2 April 2020 / Accepted: 8 April 2020 / Published: 15 April 2020
(This article belongs to the Special Issue Computational Methods in Vibration Problems and Wave Mechanics)
Herein, the authors publish the complex design of a numerical coupled model of a vibration-based harvester that transforms mechanical vibrations into electric energy. A numerical model is based on usage of the finite element method, connecting analysis of the damped mechanical oscillation, electromagnetic field and electrical circuit. The model was demonstrated on the design of a microgenerator (MG), and then experimentally tested. The numerical model allows us to execute optimization of the design with many degrees of freedom. The transformation of the wave spreading in the form of mechanical vibrations was solved in the area of resonance of the electromechanical system.
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Keywords:
harvesting; low-power applications; vibration; micro-generator; optimized solution; magnetic circuit; mechanical model; effective power density
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
MDPI and ACS Style
Zukal, J.; Fiala, P.; Szabó, Z.; Dědková, J.; Pernica, R. Coupled Numerical Model of Vibration-Based Harvester. Appl. Sci. 2020, 10, 2725. https://doi.org/10.3390/app10082725
AMA Style
Zukal J, Fiala P, Szabó Z, Dědková J, Pernica R. Coupled Numerical Model of Vibration-Based Harvester. Applied Sciences. 2020; 10(8):2725. https://doi.org/10.3390/app10082725
Chicago/Turabian StyleZukal, Jiří; Fiala, Pavel; Szabó, Zoltán; Dědková, Jamila; Pernica, Roman. 2020. "Coupled Numerical Model of Vibration-Based Harvester" Appl. Sci. 10, no. 8: 2725. https://doi.org/10.3390/app10082725
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