Cold crack monitoring and localization in welding using fiber Bragg grating sensors

S **achandran, Y Ning, B Wu, H Li, J **… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
A study on the design, framework, experimental arrangement, data acquisition, and
subsequent analysis of cold crack detection using fiber Bragg grating (FBG) sensors during …

Dynamic interrogator for elastic wave sensing using Fabry Perot filters based on fiber Bragg gratings

AV Harish, B Varghese, B Rao, K Balasubramaniam… - Ultrasonics, 2015 - Elsevier
Use of in-fiber Fabry–Perot (FP) filters based on fiber Bragg gratings as both sensor as well
as an interrogator for enhancing the detection limit of elastic wave sensing is investigated in …

Detection of fundamental shear horizontal mode in plates using fibre Bragg gratings

AV Harish, P Ray, P Rajagopal… - Journal of Intelligent …, 2016 - journals.sagepub.com
Shear horizontal guided waves are attractive for structural health monitoring applications in
view of the non-dispersive behaviour of the fundamental mode, possibly higher frequencies …

The study of the directional sensitivity of fiber Bragg gratings for acoustic emission measurements

S **achandran, A Basu, H Li, J **… - IEEE Sensors …, 2019 - ieeexplore.ieee.org
Structural health monitoring (SHM) of engineering structures plays a crucial role in ensuring
their safety and integrity. Acoustic emissions (AE) can be one of the several ways to monitor …

[PDF][PDF] Fiber Bragg grating-based vibration sensing for machine prognostics

P Ray, S Saurabh, U Srinivasan, B Srinivasan - ational Seminar & Exhibition …, 2014 - ndt.net
We report results from a fiber Bragg grating (FBG) based scheme for vibration sensing in
combustion engines. The vibration sensing is carried out using a commercial high speed …

Elastic wave sensing using fiber Bragg grating-based sensors and dynamic interrogators

B Srinivasan, AV Harish, K Srijith… - Journal of the Indian …, 2014 - journal.iisc.ac.in
Abstract Elastic Wave Sensing is a potent tool for Structural Health Monitoring (SHM)
applications. In this paper, we review the use of fiber Bragg gratings (FBGs) as a viable …

Novel method of defect identification in bent structures through feature-guided wave detection using fiber Bragg grating sensors

P Ray, P Manogharan, B Srinivasan… - … on Optical Fibre …, 2015 - spiedigitallibrary.org
Feature-guided waves (FGW) have emerged as a promising technique for structural health
monitoring as they are well confined in local features such as bends and welds. In this …

[PDF][PDF] Design and Development of a Novel Packaged Fibre Bragg Grating Based Acoustic Emission Monitoring System for Crack Detection in Engineering …

S **achandran - 2020 - ro.uow.edu.au
Structural health monitoring (SHM) is an important aspect in ensuring the safety and integrity
of structures. Amongst the many existing methods of monitoring the health of the structures …