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dc.contributor.authorMaheshwari, Muneeshen
dc.contributor.authorAnnamdas, Venu Gopal Madhaven
dc.contributor.authorPang, John Hock Lyeen
dc.contributor.authorAsundi, Ananden
dc.contributor.authorTjin, Swee Chuanen
dc.identifier.citationMaheshwari, M., Annamdas, V. G. M., Pang, J. H. L., Asundi, A., & Tjin, S. C. (2017). Crack monitoring using multiple smart materials; fiber-optic sensors & piezo sensors. International Journal of Smart and Nano Materials, 8(1), 41-55. doi:10.1080/19475411.2017.1298220en
dc.description.abstractThis article focuses on health monitoring of structures using multiple smart materials. In this research, two fiber-optic sensors, namely fiber Bragg grating (FBG) and fiber-optic polarimetric sensor (FOPS), are investigated for damage detection in the beam specimen. FBG is used for local strain measurement while FOPS is used for global strain measurement. Both FBG and FOPS show significant changes in the strain due to damages in the specimen. Also, at the center of the specimen, piezoelectric wafer active sensor (PWAS) is attached. The electromechanical admittance (EMA) signature of the specimen beam is recorded by PWAS. The changes in the amplitudes of the peaks obtained at various frequencies in this EMA signature are analyzed, and it is shown that the peak amplitudes respond differently to damages and to change in loading. Thus, multiple smart materials (FBG, FOPS, and PWAS) are used to get improved information on the health of the beam.en
dc.format.extent16 p.en
dc.relation.ispartofseriesInternational Journal of Smart and Nano Materialsen
dc.rights© 2017 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.en
dc.subjectFiber-optic Polarimetric Sensor (FOPS)en
dc.subjectFiber Bragg Grating (FBG)en
dc.subjectDRNTU::Engineering::Mechanical engineeringen
dc.titleCrack monitoring using multiple smart materials; fiber-optic sensors & piezo sensorsen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen
dc.contributor.schoolSchool of Mechanical and Aerospace Engineeringen
dc.description.versionPublished versionen
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