In:
PAMM, Wiley, Vol. 15, No. 1 ( 2015-10), p. 259-260
Kurzfassung:
Abstract: The transformation of ambient vibrational energy into electric energy through the use of piezoelectric energy harvesting devices has been the subject of numerous investigations [1]. A commonly studied energy harvesting device performing especially well under broadband excitation, is the piezomagnetoelastic energy harvester investigated by Erturk et al . [2], which is usually discretised for the fundamental vibration mode resulting in a single‐mode model. This contribution presents the study of a multi‐mode model of the piezomagnetoelastic energy harvester under random excitation. The probabilty density function (PDF) is computed to be the solution of the corresponding Fokker‐Planck equation using a Galerkin type method [3,4] . Based on the PDF, the resulting voltage variance is computed as a measurement for the expected power output as demonstrated in [5]. The results of the multi‐mode model are then compared with the results of the single‐mode model. (© 2015 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim)
Materialart:
Online-Ressource
ISSN:
1617-7061
,
1617-7061
DOI:
10.1002/pamm.201510120
Sprache:
Englisch
Verlag:
Wiley
Publikationsdatum:
2015
ZDB Id:
2078931-2
