Nonlinear energy harvesting from random narrow-band excitations

Natalia Khovanova; Igor Khovanov; Zarina Davletzhanova

doi:10.1142/S0219455414400264

Nonlinear energy harvesting from random narrow-band excitations

Natalia Khovanova, Igor Khovanov, Zarina Davletzhanova

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

The efficiency of linear and nonlinear harvesters with different types of nonlinearity is compared. Narrow band ambient vibrations are modeled by harmonic Gaussian noise. We show that the performance of nonlinear harvesters strongly depends on both the form of nonlinearity and the properties of the noise. Particular forms of nonlinearities which can produce a better than linear response are identiied, and these depend on the spectral width of the harmonic noise.

Original language	English
Article number	1440026
Journal	International Journal of Structural Stability and Dynamics
Volume	14
Issue number	8
DOIs	https://doi.org/10.1142/S0219455414400264
Publication status	Published - Nov 20 2014
Externally published	Yes

Keywords

Bistability
Energy harvesting
Hard and soft nonlinearities
Harmonic noise
Narrow-band vibrations

ASJC Scopus subject areas

Mechanical Engineering
Civil and Structural Engineering
Aerospace Engineering
Ocean Engineering
Building and Construction
Applied Mathematics

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10.1142/S0219455414400264

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