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Digital monitoring and health diagnosis for mechanical equipment operation safety based on fiber Bragggrating sensor

Zude ZHOU, Desheng JIANG, Quan LIU

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1,   Pages 5-14 doi: 10.1007/s11465-009-0011-3

Abstract: This paper introduces fiber Bragg grating (FBG) based on a fiber optic grating sensor developed to beThe theoretical and experimental researches on the new-style FBG sensor (FBGS) technology, high-speedThe acquired information by an FBGS can be used for the optimization of maintenance schedules and refinement

Keywords： fiber Bragg grating sensor (FBGS)     mechanical equipment operation safety     embedded technology     high-speed    

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Numerical investigation and optimal design of fiber Bragg grating based wind pressure sensor

Xiangjie WANG, Danhui DAN, Rong XIAO, Xingfei YAN

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 286-292 doi: 10.1007/s11709-017-0415-9

Abstract: A wind pressure sensor based on fiber Bragg grating (FBG) for engineering structure was investigatedBy finite element analysis, the basic parameters of the sensor were optimized with the aim of maximumThe result shows that the wind pressure sensor we proposed is well performed and have good sensing properties

Keywords： wind pressure measurement     wind pressure sensor     fiber Bragg grating     optimal design    

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Monitoring corrosion of reinforcement in concrete structures via fiber Bragg grating sensors

Zhupeng ZHENG, Xiaoning SUN, Ying LEI

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 3,   Pages 316-319 doi: 10.1007/s11465-009-0040-y

Abstract: Thus, improving the effective corrosion sensor technology can greatly reduce cost and provide safe structuresIn this paper, using fiber Bragg grating (FBG), a corrosion sensor for monitoring steel rebars embeddedvolume and diameter of a rebar embedded in concrete will enlarge due to corrosion, an FBG packaged with fiber-reinforcedDuring corrosion, the increase in the bar diameter leads to the increase in fiber strain, which can bePerformances of the corrosion sensor are validated by accelerating corrosion in lab experiments.

Keywords： fiber Bragg grating (FBG)     corrosion     concrete structures     accelerated corrosion test    

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Crack detection for wading-concrete structures using water irrigation and electric heating

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 3,   Pages 368-377 doi: 10.1007/s11709-022-0926-x

Abstract: Cracking in wading-concrete structures has a worse impact on structural safety compared with conventional concrete structures. The accurate and timely monitoring of crack development plays a significant role in the safety of wading-concrete engineering. The heat-transfer rate near a crack is related to the flow velocity of the fluid in the crack. Based on this, a novel crack-identification method for underwater concrete structures is presented. This method uses water irrigation to generate seepage at the interface of a crack; then, the heat-dissipation rate in the crack area will increase because of the convective heat-transfer effect near the crack. Crack information can be identified by monitoring the cooling law and leakage flow near cracks. The proposed mobile crack-monitoring system consists of a heating system, temperature-measurement system, and irrigation system. A series of tests was conducted on a reinforced-concrete beam using this system. The crack-discrimination index ψ was defined, according to the subsection characteristics of the heat-source cooling curve. The effects of the crack width, leakage flow, and relative positions of the heat source and crack on ψ were studied. The results showed that the distribution characteristics of ψ along the monitoring line could accurately locate the crack, but not quantify the crack width. However, the leakage flow is sensitive to the crack width and can be used to identify it.

Keywords： structural health monitoring     underwater concrete structure     fiber Bragg grating     crack detection     temperature    

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A novel decoupling approach to an integrated optical-fiber proximity sensor for robots

LIU Guixiong, LI Xiani

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 2,   Pages 164-167 doi: 10.1007/s11465-007-0027-5

Abstract: The structure and the working principle of a self-compensational integrated optical-fiber proximity sensorThe corresponding decoupling approach to the sensor is presented on the basis of multiscale characteristics

Keywords： multiscale     different     self-compensational integrated     information     implementation    

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Smart optical-fiber structure monitoring based on granular computing

Guan LU, Dakai LIANG,

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 4,   Pages 462-465 doi: 10.1007/s11465-009-0073-2

Abstract: Using an optic fiber self-diagnosing system in health monitoring has become an important direction ofThe buried optic fiber sensor can be used to test the parameters of the composite material.The paper investigates an optic fiber smart layer and presents a method for realizing optic fiber smartAfter the analysis, it is presumed that optic fiber smart structure monitoring based on granular computation

Keywords： smart material and structure     GrC     optical fiber sensor     rough set     clustering algorithm    

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Corrugated steel pipe culvert applying in highway and strain measuring with fiber grating test technology

Cheng Gang,Fang Ping

Strategic Study of CAE 2013, Volume 15, Issue 8,   Pages 108-112

Abstract: testing the strain conditions of corrugated steel pipe culvert under different soil fill heights, the fiberBragg grating sensors were set in the inner or outer of corrugated steel pipe culverts.

Keywords： corrugated steel pipe culvert     highway     soft foundation     field test     fiber test    

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Distributed fiber optic monitoring of a CFA pile with a central reinforcement bar bundle

Yi RUI, Nicholas de BATTISTA, Cedric KECHAVARZI, Xiaomin XU, Mei YIN

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1,   Pages 167-176 doi: 10.1007/s11709-020-0581-z

Abstract: In this paper, we present an application of distributed fiber optic sensor (DFOS) technology to measure

Keywords： continuous flight auger pile     static load test     central reinforcement bar bundle     distributed fiber opticsensor     finite element     load transfer    

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Biomedical sensor technologies on the platform of mobile phones

Lin LIU, Jing LIU

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2,   Pages 160-175 doi: 10.1007/s11465-011-0216-0

Abstract: The focus was particularly put on interpreting the technical strategies to innovate the biomedical sensor

Keywords： biomedical sensor     pervasive technology     mobile phone     combined system     health management    

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Development and testing of a wireless smart toolholder with multi-sensor fusion

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 4, doi: 10.1007/s11465-023-0774-y

Abstract: In this study, we propose a wireless smart toolholder with multi-sensor fusion for simultaneous sensing

Keywords： wireless smart toolholder     multi-sensor fusion     circular runout     dynamic balancing     static stiffness    

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Displacement measuring grating interferometer: a review Special Feature on Precision Measurement and Inst

Peng-cheng HU, Di CHANG, Jiu-bin TAN, Rui-tao YANG, Hong-xing YANG, Hai-jin FU

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 5,   Pages 631-654 doi: 10.1631/FITEE.1800708

Abstract:

A grating interferometer, called the “optical encoder,” is a commonly used tool for precise displacementIn contrast to a laser interferometer, a grating interferometer is insensitive to the air refractiveClassified based on the measuring principle and optical configuration, a grating interferometer experiencesCompared with the former two, the spatially separated heterodyne grating interferometer could achieveThe development of incremental displacement measuring grating interferometers achieved in recent years

Keywords： Grating interferometer     Optical encoder     Displacement measurement     Precision measurement    

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Flexible micro flow sensor for micro aerial vehicles

Rong ZHU, Ruiyi QUE, Peng LIU

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 4,   Pages 539-545 doi: 10.1007/s11465-017-0427-0

Abstract: The micro flow sensor has merits of flexibility, structural simplicity, easy integrability with circuitsThe sensor, which adheres to an object surface, can detect the surface flow around the object.

Keywords： micro flow sensor     flexible sensor     surface flow sensing     aerodynamic parameter     micro aerial vehicle (MAV    

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Fault diagnosis of axial piston pumps with multi-sensor data and convolutional neural network

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-022-0692-4

Abstract: previous fault diagnosis methods only used vibration or pressure signal, and literatures related to multi-sensorThis paper presents an end-to-end multi-sensor data fusion method for the fault diagnosis of axial pistonResults show that the proposed multi-sensor data fusion method greatly improves the fault diagnosis of

Keywords： axial piston pump     fault diagnosis     convolutional neural network     multi-sensor data fusion    

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Reduced texaphyrin: A ratiometric optical sensor for heavy metals in aqueous solution

Harrison D. Root, Gregory Thiabaud, Jonathan L. Sessler

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 1,   Pages 19-27 doi: 10.1007/s11705-019-1888-y

Abstract: We report here a water-soluble metal cation sensor system based on the as-prepared or reduced form of

Keywords： texaphyrin     fluorescent sensor     ion-sensing     indium     mercury    

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Performance of fiber reinforced clayey sand composite

Amin CHEGENIZADEH, Hamid NIKRAZ

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 2,   Pages 147-152 doi: 10.1007/s11709-012-0158-6

Abstract: Recent researches show some interests in investigation of inclusion of randomly distributed fiber instudy is related to effective parameters on strength of the clayey sand composite with using natural fiberand plastic fiber and different fiber contents and length.The fiber percentage varied from 0% (for unreinforced samples) to 4% and fiber length varied from 8 toThe fiber length and fiber content found to play important rule on the strength of fiber reinforced composite

Keywords： triaxial     consolidated undrained (CU)     fiber     strength    

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Title Author Date Type Operation

Digital monitoring and health diagnosis for mechanical equipment operation safety based on fiber Bragggrating sensor

Zude ZHOU, Desheng JIANG, Quan LIU

Journal Article

Numerical investigation and optimal design of fiber Bragg grating based wind pressure sensor

Xiangjie WANG, Danhui DAN, Rong XIAO, Xingfei YAN

Journal Article

Monitoring corrosion of reinforcement in concrete structures via fiber Bragg grating sensors

Zhupeng ZHENG, Xiaoning SUN, Ying LEI

Journal Article

Crack detection for wading-concrete structures using water irrigation and electric heating

Journal Article

A novel decoupling approach to an integrated optical-fiber proximity sensor for robots

LIU Guixiong, LI Xiani

Journal Article

Smart optical-fiber structure monitoring based on granular computing

Guan LU, Dakai LIANG,

Journal Article

Corrugated steel pipe culvert applying in highway and strain measuring with fiber grating test technology

Cheng Gang,Fang Ping

Journal Article

Distributed fiber optic monitoring of a CFA pile with a central reinforcement bar bundle

Yi RUI, Nicholas de BATTISTA, Cedric KECHAVARZI, Xiaomin XU, Mei YIN

Journal Article

Biomedical sensor technologies on the platform of mobile phones

Lin LIU, Jing LIU

Journal Article

Development and testing of a wireless smart toolholder with multi-sensor fusion

Journal Article

Displacement measuring grating interferometer: a review

Peng-cheng HU, Di CHANG, Jiu-bin TAN, Rui-tao YANG, Hong-xing YANG, Hai-jin FU

Journal Article

Flexible micro flow sensor for micro aerial vehicles

Rong ZHU, Ruiyi QUE, Peng LIU

Journal Article

Fault diagnosis of axial piston pumps with multi-sensor data and convolutional neural network

Journal Article

Reduced texaphyrin: A ratiometric optical sensor for heavy metals in aqueous solution

Harrison D. Root, Gregory Thiabaud, Jonathan L. Sessler

Journal Article

Performance of fiber reinforced clayey sand composite

Amin CHEGENIZADEH, Hamid NIKRAZ

Journal Article