Broadband vibration energy harvesting from a vertical cantilever piezocomposite beam with tip mass
PBN-AR
Instytucja
Wydział Mechaniczny (Politechnika Lubelska)
Informacje podstawowe
Główny język publikacji
angielski
Czasopismo
INTERNATIONAL JOURNAL OF STRUCTURAL STABILITY AND DYNAMICS
ISSN
0219-4554
EISSN
Wydawca
DOI
URL
Rok publikacji
2015
Numer zeszytu
2
Strony od-do
-
Numer tomu
15
Link do pełnego tekstu
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Autorzy
(liczba autorów: 4)
Pozostali autorzy
+ 3
Streszczenia
Język
EN
Treść
An inverted cantilevered beam vibration energy harvester with a tip mass is evaluated for its electromechanical efficiency and power output capacity in the presence of pure harmonic, pure random, and various combinations of harmonic and random base excitation cases. The energy harvester employs a composite piezoelectric material device that is bonded near the root of the beam. The tip mass is used to introduce nonlinearity to the system by inducing buckling in some configurations and avoiding it in others. The system dynamics include multiple solutions and jumps between the potential wells, and these are exploited in the harvesting device. This configuration exploits the nonlinear properties of the system using base excitation in conjunction with the tip mass at the end of the beam. Such a nonlinear device has the potential to work well when the input excitation does not have a dominant harmonic component at a fixed frequency. The paper presents an extensive experimental analysis, results and interesting conclusions derived directly from the experiments supported by numerical simulations.
Inne
System-identifier
8265
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