TY - GEN
T1 - Theoretical investigation of positional influence of FBG sensors for structural health monitoring of offshore structures
AU - Johny, Jincy
AU - Summers, Jade
AU - Bhavsar, Kaushalkumar
AU - Joseph, Ginson P.
AU - Fung, Wai Keung
AU - Prabhu, Radhakrishna
N1 - Publisher Copyright:
© 2017 IEEE.
PY - 2017/10/25
Y1 - 2017/10/25
N2 - Fibre Bragg Grating (FBG) is a key technology for condition monitoring of different offshore oil and gas structures. FBG sensors are used to sense different physical parameters such as strain, temperature, vibration, etc. This paper investigates the effect of FBG sensor positions on the reflected sensing signal, to optimise the sensor positioning plan for structural health monitoring of offshore structures. Theoretical investigations were carried out on a cantilever beam to analyze the strain effects. Effect of different cantilever beam shapes, materials and their thickness on strain was investigated. Theoretical studies were also carried out to evaluate the strain sensitivities of FBG sensors. Furthermore, micrometer displacement based strain analysis of cantilever beam was carried out using FBG sensors and electrical strain gauges to study the positional influence and compared it with the theoretical results obtained.
AB - Fibre Bragg Grating (FBG) is a key technology for condition monitoring of different offshore oil and gas structures. FBG sensors are used to sense different physical parameters such as strain, temperature, vibration, etc. This paper investigates the effect of FBG sensor positions on the reflected sensing signal, to optimise the sensor positioning plan for structural health monitoring of offshore structures. Theoretical investigations were carried out on a cantilever beam to analyze the strain effects. Effect of different cantilever beam shapes, materials and their thickness on strain was investigated. Theoretical studies were also carried out to evaluate the strain sensitivities of FBG sensors. Furthermore, micrometer displacement based strain analysis of cantilever beam was carried out using FBG sensors and electrical strain gauges to study the positional influence and compared it with the theoretical results obtained.
KW - FBG
KW - cantilever beam structure
KW - fibre optic sensors
KW - strain analysis
UR - http://www.scopus.com/inward/record.url?scp=85044733684&partnerID=8YFLogxK
U2 - 10.1109/OCEANSE.2017.8084976
DO - 10.1109/OCEANSE.2017.8084976
M3 - Conference contribution
AN - SCOPUS:85044733684
T3 - OCEANS 2017 - Aberdeen
SP - 1
EP - 5
BT - OCEANS 2017 - Aberdeen
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - OCEANS 2017 - Aberdeen
Y2 - 19 June 2017 through 22 June 2017
ER -