Temperature Field Reconstruction of Concrete Dams based on Distributed Optical Fiber Monitoring Data
Sign Up to like & getrecommendations! Published in 2019 at "KSCE Journal of Civil Engineering"
DOI: 10.1007/s12205-019-0787-6
Abstract: Mastering the real temperature distribution of the concrete dam is the basis for solving the problem of temperature control and crack prevention. In this paper, Distributed Temperature Sensing (DTS) technology was applied to temperature monitoring… read more here.
Keywords: temperature field; distributed optical; temperature; optical fiber ... See more keywords
Feature extraction and identification in distributed optical-fiber vibration sensing system for oil pipeline safety monitoring
Sign Up to like & getrecommendations! Published in 2017 at "Photonic Sensors"
DOI: 10.1007/s13320-017-0360-1
Abstract: High sensitivity of a distributed optical-fiber vibration sensing (DOVS) system based on the phase-sensitivity optical time domain reflectometry (Φ-OTDR) technology also brings in high nuisance alarm rates (NARs) in real applications. In this paper, feature… read more here.
Keywords: fiber vibration; distributed optical; vibration sensing; identification ... See more keywords
Research on distributed optical-fiber monitoring of biaxial-bending structural deformations
Sign Up to like & getrecommendations! Published in 2019 at "Measurement"
DOI: 10.1016/j.measurement.2019.04.031
Abstract: Abstract Concrete structures are often subjected to loads in both directions, resulting in deflections in both directions. To comprehensively and automatically monitor these continuous deformations, this paper uses a distributed optical fiber to monitor the… read more here.
Keywords: monitoring biaxial; fiber monitoring; distributed optical; optical fiber ... See more keywords
Research on a novel inclinometer based on distributed optical fiber strain and conjugate beam method
Sign Up to like & getrecommendations! Published in 2020 at "Measurement"
DOI: 10.1016/j.measurement.2019.107404
Abstract: Abstract The inclinometer is widely used in the deformation monitoring of civil and hydraulic engineering, but the manual observation required for existing traditional inclinometers is time-consuming, laborious and workload-intensive; an inclinometer with automatic monitoring is… read more here.
Keywords: conjugate beam; distributed optical; method; inclinometer ... See more keywords
Abnormal events detection based on RP and inception network using distributed optical fiber perimeter system
Sign Up to like & getrecommendations! Published in 2021 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2020.106377
Abstract: Abstract For establishing an accurate and reliable distributed optical fiber perimeter security system, this paper proposes a novel abnormity detection solution to security using Recurrent Plot (RP) and deep learning technology. Take advantage of the… read more here.
Keywords: inception network; distributed optical; optical fiber; perimeter ... See more keywords
Distributed optical sensing for monitoring strain evolution during mechanical testing of composite laminates
Sign Up to like & getrecommendations! Published in 2021 at "Polymer Testing"
DOI: 10.1016/j.polymertesting.2021.107076
Abstract: Abstract A Distributed fiber Optical Sensor (DOS) was embedded inside and attached to the surface of a multi-directional continuous fiber composite laminate coupon, along with the traditional foil of Strain Gages (SG) and Digital Image… read more here.
Keywords: composite laminate; laminate coupon; distributed optical; strain ... See more keywords
Distributed optical fiber pressure sensors
Sign Up to like & getrecommendations! Published in 2020 at "Optical Fiber Technology"
DOI: 10.1016/j.yofte.2020.102239
Abstract: Abstract The measurement of pressure by using distributed optical fiber sensors has represented a challenge for many years. While single-point optical fiber pressure sensors have reached a solid level of technology maturity, showing to be… read more here.
Keywords: distributed optical; pressure sensors; fiber pressure; pressure ... See more keywords
Whole-process monitoring of sinkhole collapse based on distributed optical fiber strain-vibration joint system and its case study in railway subgrade
Sign Up to like & getrecommendations! Published in 2020 at "Optical Fiber Technology"
DOI: 10.1016/j.yofte.2020.102380
Abstract: Abstract Sinkhole is a unique geological disaster, which has the characteristics of concealment in space, accumulation in the development process and sudden collapse caused by roof instability, and the whole development process contains deformation and… read more here.
Keywords: collapse; vibration; distributed optical; strain vibration ... See more keywords
An introduction to distributed optical fibre sensors, by A. H. Hartog
Sign Up to like & getrecommendations! Published in 2017 at "Contemporary Physics"
DOI: 10.1080/00107514.2017.1384064
Abstract: such an historical assessment provides a valid measure of the vitality of current research? Those doubts can be weighed against the certainty of examples where research has indeed lead to major developments having societal benefit.… read more here.
Keywords: research; optical fibre; distributed optical; book ... See more keywords
Real-time Hotspot Tracing and Model Analysis of a Distributed Optical Fiber Sensor Integrated Power Transformer
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3177844
Abstract: With the increasing demand for electricity, overheating has gradually become a common problem for power transformers. However, the imperfect traditional monitoring method fails to detect the whole transformer in real time, which affects the safe… read more here.
Keywords: power; distributed optical; real time; optical fiber ... See more keywords
A High Performance Distributed Optical Fiber Sensor Based on Φ-OTDR for Dynamic Strain Measurement
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2017.2700020
Abstract: A high-performance distributed optical fiber sensor based on phase-sensitive optical time-domain reflectometry (Φ-OTDR) for dynamic strain measurement has been proposed. In this newly designed system, ultraweak fiber Bragg gratings (UWFBGs) are sparsely embedded in the… read more here.
Keywords: dynamic strain; distributed optical; fiber; high performance ... See more keywords