Journal
PROBABILISTIC ENGINEERING MECHANICS
Volume 43, Issue -, Pages 1-4Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.probengmech.2015.10.007
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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. (C) 2015 Elsevier Ltd. All rights reserved.
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