Enhancing energy harvesting by a linear stochastic oscillator

R. V. Bobryk, Daniil Yurchenko

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Abstract

A mathematical model of a linear electromechanical oscillator with a randomly fluctuating damping parameter as an energy harvester is considered. To demonstrate the idea and present an explicit analytical solution the variations of the damping are taken in a form of a telegraphic process. It is shown that substantial enhancement of the harvested energy can be reached if the proposed process has specially selected characteristics. A close relationship with the mean square stability of the oscillator is established. An analytical result for stationary electrical net mean power is presented.
Original languageEnglish
Pages (from-to)1-4
Number of pages4
JournalProbabilistic Engineering Mechanics
Volume43
Early online date22 Oct 2015
DOIs
Publication statusPublished - Jan 2016

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