Parameter Estimation in Active Plate Structures

A. L. Araujo, H. M. R. Lopes, M. A. P. Vaz, C. M. Mota Soares, J. Herskovits, Pauli Pedersen

Research output: Contribution to journalConference articleResearchpeer-review

Abstract

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.
Original languageEnglish
JournalComputers & Structures
Volume84
Issue number22-23
Pages (from-to)1471-1479
ISSN0045-7949
DOIs
Publication statusPublished - 2006
Event7th International Conference on Computational Structures Technology / 4th International Conference on Engineering Computational Technology - Lisbon, Portugal
Duration: 7 Sep 20049 Sep 2004
Conference number: 7/4

Conference

Conference7th International Conference on Computational Structures Technology / 4th International Conference on Engineering Computational Technology
Number7/4
CountryPortugal
CityLisbon
Period07/09/200409/09/2004

Keywords

  • Piezoelectric parameters
  • Gradient optimization
  • Neural networks
  • Finite element method

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