Detail publikace

Nonlinear vibration energy harvester: Design and oscillating stability analyses

RUBEŠ, O. BRABLC, M. HADAŠ, Z.

Originální název

Nonlinear vibration energy harvester: Design and oscillating stability analyses

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

Energy harvesting, as an alternative power source, is being widely discussed thanks to emerging technologies like loT, Industry 4.0, or WSNs. This paper deals with a piezoelectric Vibration Energy Harvester (VEH) with auxiliary nonlinear magnetic stiffness. The nonlinear stiffness was designed to increase the average output power of the VEH. A mathematical model is presented to provide a simulation tool for further analysis. A novel method based on stabilization power introduced by a feedback controller to analyse the behaviour of nonlinear VEHs is introduced. The aim of this method is to detect the stability of oscillation amplitudes in relation to the excitation frequency. The result of this method is an amplitude-frequency characteristic and a stability margin around the resonance frequency area. This novel method might be used for an arbitrary nonlinear oscillator, especially for electromagnetic and piezoelectric VEHs. The results were verified by a laboratory experiment on a nonlinear piezoelectric VEH. (C) 2018 Elsevier Ltd. All rights reserved.

Klíčová slova

Energy harvesting; Piezoelectric devices; Nonlinear oscillators; Stability; Stability analysis; Limit cycles

Autoři

RUBEŠ, O.; BRABLC, M.; HADAŠ, Z.

Vydáno

15. 6. 2019

Nakladatel

Elsevier

ISSN

0888-3270

Periodikum

MECHANICAL SYSTEMS AND SIGNAL PROCESSING

Číslo

125

Stát

Spojené království Velké Británie a Severního Irska

Strany od

170

Strany do

184

Strany počet

15

URL

https://www.sciencedirect.com/science/article/pii/S0888327018304175?via%3Dihub

BibTex

@article{BUT148992,
  author="Ondřej {Rubeš} and Martin {Brablc} and Zdeněk {Hadaš}",
  title="Nonlinear vibration energy harvester: Design and oscillating stability analyses",
  journal="MECHANICAL SYSTEMS AND SIGNAL PROCESSING",
  year="2019",
  number="125",
  pages="170--184",
  doi="10.1016/j.ymssp.2018.07.016",
  issn="0888-3270",
  url="https://www.sciencedirect.com/science/article/pii/S0888327018304175?via%3Dihub"
}