Suppression of vibrations in strongly nonhomogeneous 2DOF systems

Costa, S. N. J.; Balthazar, J. M.

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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Suppression of vibrations in strongly nonhomogeneous 2DOF systems

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Author(s):	Costa, S. N. J. ^[1] ; Balthazar, J. M. ^[1] Total Authors: 2
Affiliation:	^[1] UNESP, Dept Estatist Matemat Aplicada & Computacao, Inst Geociencias & Ciencias Exatas, BR-13500230 Rio Claro, SP - Brazil Total Affiliations: 1
Document type:	Journal article
Source:	NONLINEAR DYNAMICS; v. 58, n. 4, p. 623-632, DEC 2009.
Web of Science Citations:	6
Abstract
In this work we analyze the effects of an optimal linear control for nonlinear systems under the vibrations of a strongly nonhomogeneous nonlinear two-degree-of-freedom system with single anchor spring under condition of initial impact. We compare the results with those obtained for (a) when using only a passive broadband boundary controller which, in essence, corresponds to a one-way passive and almost irreversible energy flow from a heavy or main system to a nonlinear energy sink (NES), and (b) when using the nonlinear energy sink in combination with the optimal linear control for nonlinear system. (AU)

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