Enhancing energy harvesting by a linear stochastic oscillator. (January 2016)

• Record Type: Journal Article
• Authors: Bobryk, R.V.; Yurchenko, D.
• Is Part Of: Probabilistic engineering mechanics. Volume 43(2016:Jan.)
• Page Start: 1
• Page End: 4
• Publication Date: 2016-01
• Subjects: Engineering -- Statistical methods -- Periodicals; Mechanics, Applied -- Statistical methods -- Periodicals; Probabilities -- Periodicals; Ingénierie -- Méthodes statistiques -- Périodiques; Mécanique appliquée -- Méthodes statistiques -- Périodiques; Probabilités -- Périodiques; 620.100727
• DOI: 10.1016/j.probengmech.2015.10.007
• Languages: English
• ISSNs: 0266-8920

Abstract

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.