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Optimal Placement of Piezo-Electric Actuators in Vibration Control.

Lammering, R. (1992) Optimal Placement of Piezo-Electric Actuators in Vibration Control. First European Conference on Smart Structures and Materials, Glasgow, Scotland, May, 12-14, 1992..

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Abstract

In the design of actively controlled structurs, the determination of the actuator locations is a very important issue. In order to find the optimal placements of piezo-electric actuators in adaptive truss structures, optimal placement strategies developed in conjunction with the independent modal space control method are used in this paper. For this purpose, a finite truss element is developed accounting for the piezo-electric actuators. By using this finite element, eigenvectors consisting not only of nodal displacements but also of electric potentials are computed. The optimization algorithm calculating the optimal actuator placements makes use of the electric potentials to minimize the control effort. The minimization of the spillover energy into uncontrolled modes is an additional objective which can be taken into account by the optimization procedure. The method is illustrated by numerical examples.

Item URL in elib:https://elib.dlr.de/39514/
Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1992,
Title:Optimal Placement of Piezo-Electric Actuators in Vibration Control.
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Lammering, R.UNSPECIFIEDUNSPECIFIED
Date:1992
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Page Range:pp. 317-320
Series Name:10.40
Status:Published
Keywords:Adaptive Structures, Finite Element Method, Independent Modal Space Control, Structural Optimization.
Event Title:First European Conference on Smart Structures and Materials, Glasgow, Scotland, May, 12-14, 1992.
HGF - Research field:UNSPECIFIED
HGF - Program:Space (old)
HGF - Program Themes:W RP - Raumtransport
DLR - Research area:UNSPECIFIED
DLR - Program:W RP - Raumtransport
DLR - Research theme (Project):UNSPECIFIED
Location: Göttingen
Institutes and Institutions:Institute of Aeroelasticity
Deposited By: DLR-Beauftragter, elib
Deposited On:02 Apr 2006
Last Modified:27 Apr 2009 10:45

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