MATEC Web Conf.
Volume 211, 2018The 14th International Conference on Vibration Engineering and Technology of Machinery (VETOMAC XIV)
|Number of page(s)||7|
|Section||EH: Energy Harvesting from Ambient Mechanical Oscillations|
|Published online||10 October 2018|
Performance of broadband tristable energy harvesters
School of Aeronautics, Northwestern Polytechnical University,
2 Lublin University of Technology, Faculty of Mechanical Engineering, Nadbystrzycka 36, PL-20-618 Lublin, Poland
3 Department of Process Control, AGH University Science and Technology, Department of Process Control, PL Mickiewicza 30, PL-30-059 Krakow, Poland
4 School of Mechanical Engineering, Xi’an Jiaotong University, Xi’an, 710049, China
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We analyze dynamical responses of energy harvesters with a mechanical resonator possessing three potential wells. The frequency spectral analysis of simulated systems demonstrates that additional sub-harmonic and super-harmonic resonances appear. These additional solutions make the frequency broadband effect and effectively increase the voltage output. We show the characteristic features of the obtained solutions. Appearance of coexisting periodic solutions and chaotic solutions are also shortly discussed.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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