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Parameter estimation in active plate structures

delete2006-09-01
delete40
PRE
AI
A
A.L. Araújo
H
H. Lopes
M
Mário Vaz
C
C.M. Mota Soares *
J
José Herskovits
P
Pauli Pedersen
DOI：10.1016/j.compstruc.2006.01.017delete
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Abstract

Abstract

En 中文
In this paper two non-destructive methods for elastic and piezoelectric parameter estimation in active plate structures with surface bonded piezoelectric patches are presented. These methods rely on experimental undamped natural frequencies of free vibration. The first solves the inverse problem through gradient based optimization techniques, while the second is based on a metamodel of the inverse problem, using artificial neural networks. A numerical higher order finite element laminated plate model is used in both methods and results are compared and discussed through a simulated and an experimental test case. (c) 2006 Civil-Comp Ltd. and Elsevier Ltd. All rights reserved.
Keywords:
piezoelectric parameters
gradient optimization
neural networks
finite element method
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Journal

C
Computers and Structures
IF:
4.8
Papers:
6.2K
Citations:
1.7W

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