UGC Approved Journal no 63975(19)

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Published in:

Volume 4 Issue 12
December-2017
eISSN: 2349-5162

UGC and ISSN approved 7.95 impact factor UGC Approved Journal no 63975

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Published Paper ID:
JETIR1712100


Registration ID:
171121

Page Number

542-551

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Title

Admittance Response of PZT Transducers Bonded to a Structural Member Subjected to External Loading

Abstract

In the Electro Mechanical Impedance method (EMI) for structural health monitoring (SHM), a piezoelectric ceramic transducer (PZT) is bonded on to the structure to be regularly monitored. There exists a dynamic coupling between the mechanical impedance of the structure and the mechanical impedance of the bonded PZT transducer, which is reflected in the electrical admittance response of the PZT to frequency of its actuation, popularly called as the admittance signature. Damage or deterioration in the structure affects the mass, stiffness and damping parameters locally, which alters the mechanical impedance of the structure. This change reflects in the admittance signature of the PZT transducer by which the structural health can be assessed. External loads can also induce mass and stiffness changes locally and thus alter the admittance signature. The load induced changes in the admittance signatures have to be filtered out to get factual damage induced changes for reliable SHM. This paper presents the results of a numerical study, carried out to understand the influence of external loading on the PZT admittance signature, using coupled field FE analysis in ANSYS.

Key Words

Electromechanical Impedance (EMI), Piezoelectric transducers, Lead Zirconate Titanate (PZT), Structural Health Monitoring (SHM), Admittance Signatures, Coupled Field FE Analysis.

Cite This Article

"Admittance Response of PZT Transducers Bonded to a Structural Member Subjected to External Loading", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.4, Issue 12, page no.542-551, December-2017, Available :http://www.jetir.org/papers/JETIR1712100.pdf

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2349-5162 | Impact Factor 7.95 Calculate by Google Scholar

An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 7.95 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator

Cite This Article

"Admittance Response of PZT Transducers Bonded to a Structural Member Subjected to External Loading", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.4, Issue 12, page no. pp542-551, December-2017, Available at : http://www.jetir.org/papers/JETIR1712100.pdf

Publication Details

Published Paper ID: JETIR1712100
Registration ID: 171121
Published In: Volume 4 | Issue 12 | Year December-2017
DOI (Digital Object Identifier): http://doi.one/10.1717/JETIR.17156
Page No: 542-551
Country: Hyderabad, Telangana, India .
Area: Engineering
ISSN Number: 2349-5162
Publisher: IJ Publication


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