2015
DOI: 10.1080/09243046.2015.1087176
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Self-sensing time-domain reflectometry for detection of the bearing failure of a CFRP laminate fastener hole: effect of peeling of the insulator

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Cited by 4 publications
(3 citation statements)
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“…With a priori knowledge of the length of the transmission line ( l 0 ) and the pulse wave speed ( v ), the time-of-flight (Δ t ) for the pulse to travel through the entire intact transmission line and back can be determined. It should be mentioned that the transmission velocity of the incident wave is affected by the type of transmission line, which is approximately 0.6 to 0.9 times the velocity of light [ 21 ]. The velocity for any given system can be experimentally determined using an ETDR setup given a fixed l 0 transmission line (with no defects) and by measuring the corresponding Δ t : …”
Section: Electrical Time Domain Reflectometry Backgroundmentioning
confidence: 99%
“…With a priori knowledge of the length of the transmission line ( l 0 ) and the pulse wave speed ( v ), the time-of-flight (Δ t ) for the pulse to travel through the entire intact transmission line and back can be determined. It should be mentioned that the transmission velocity of the incident wave is affected by the type of transmission line, which is approximately 0.6 to 0.9 times the velocity of light [ 21 ]. The velocity for any given system can be experimentally determined using an ETDR setup given a fixed l 0 transmission line (with no defects) and by measuring the corresponding Δ t : …”
Section: Electrical Time Domain Reflectometry Backgroundmentioning
confidence: 99%
“…Second, to improve sensitivity, Chen et al [15] modified the geometry of the outer part of a coaxial cable with spiral wrapping so that the gap between adjacent spirals separate easily when subjected to mechanical loading. Finally, another approach is to use the monitored structure as part of the ETDR system [16,17].…”
Section: B Etdr Sensorsmentioning
confidence: 99%
“…Todoroki [16] used carbon fiber-reinforced polymer (CFRP) as the conducting part of a transmission line to monitor bearing failure. The transmission line had a sandwiched structure of copper tape (i.e., signal conducting layer), glass fiberreinforced polymer (GFRP) (i.e., dielectric layer), and CFRP composite (i.e., electrical ground layer).…”
Section: B Etdr Sensorsmentioning
confidence: 99%