光纤光栅传感技术在重大工程结构诊断与监测中的应用
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摘要
光纤光栅传感技术具有传统传感器无可比拟的优势,重大工程结构的健康诊断与监测是跨学科的前沿研究领域。介绍了光纤光栅传感技术用于重大工程结构的原理、国内外研究以及在重大工程中应用的概况,阐述了基于光纤光栅传感技术和应变模态理论的损伤自诊断智能结构系统的基本构成、原理,并指出近期应当加强光纤光栅传感技术的结构诊断、动态解调、工业化批量生产及其埋设等方面研究工作。
Fiber Bragg Grating ( FBG) sensing technology has unparalleled superiority compared with traditionalsensors. Health diagnosis and monitoring in major engineering structural research is a leading edge research field.The principle of FBG sensing technology is introduced and the general situation in application and research in majorengineering structure is summarized. Based on FBG sensing technology and strain model theory, the basic principleand building of the intelligent structure system for damage self-diagnosing is expounded, and it is pointed out that therecent research work must be reinforced in structural diagnosis, dynamic demodulation, industrial mass productionand capsulation of fiber Bragg grating sensing technology.
Fiber Bragg Grating ( FBG) sensing technology has unparalleled superiority compared with traditionalsensors. Health diagnosis and monitoring in major engineering structural research is a leading edge research field.The principle of FBG sensing technology is introduced and the general situation in application and research in majorengineering structure is summarized. Based on FBG sensing technology and strain model theory, the basic principleand building of the intelligent structure system for damage self-diagnosing is expounded, and it is pointed out that therecent research work must be reinforced in structural diagnosis, dynamic demodulation, industrial mass productionand capsulation of fiber Bragg grating sensing technology.
引文
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[18] 余有龙,谭华耀,锺永康.基于干涉解调技术的光纤光栅传感系统[J].光学学报,2001,32(8):987-989.
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[20] 贾宏志,李育林,忽满利.用可调谐法布里—珀罗腔测量光纤光栅波长[J].激光杂志,2000,21(2):58-61.
[21] 姜德生,何 伟.光纤光栅传感器的应用概况[J].光电子·激光,2002,13(4):420-430.
[2] 信思金,罗 裴,梁 磊,等.基于光纤光栅和BP神经网络的结构损伤识别[J].河南科技大学学报(自然科学版),2005,26(2):27-29.
[3] 梁 磊,罗 裴,周雪芳,等.光纤Bragg光栅传感技术用于应变模态检测[J].河南科技大学学报(自然科学版),2003,24(3):54-57.
[4] 瞿伟廉.智能材料结构系统在土木工程中的应用[J].地震工程与工程振动,1999,19(3):42-46.
[5] 秦 权.桥梁结构的健康监测[J].中国公路学报,2000,13(2):37-42.
[6] 梁 磊,姜德生,周雪芳,等.光纤Bragg光栅传感器在土木工程中的应用[J].河南科技大学学报(自然科学版),2003,24(2):86-89.
[7] MeasuresRM.Fiber opticBraggGratingsforBridgeMonitoring[J].CementConcreteComposites,1997,9:21-23.
[8] FerdinandP.ApplicationsofBraggGatingSensorsinEurope[A].Proc.oftheOpticalFiberSensorsConf(OFS12)[C].USA:WilliamsburgVA,1997:14-19
[9] MeissnerJ.StrainMonitoringataPrestressedConcreteBridge[A].ProcoftheOpticalFiberSensorsConf[C].(OFS12).USA:WilliamsburgVA,1997:408-411.
[10] VohraST.SixteenChannelWDMFiberBraggGratingDynamicStrainSensingSystemforCompsitePanelSlammingTests[A].Proc.oftheOpticalFiberSensorsConf(OFS-12)[C].USA:WilliamsburgVA,1997:662-665.
[11] OgawaY.AMultiplexingLoadMonitoringSystemofPowerTransmissionLinesUsingFiberBraggGrating[A].ProcoftheOptical FiberSensorsConf(OFS12)[C].USA:WilliamsburgVA,1997:468-471.
[12] HammonTE,StocksAD.OpticalBiberBraggGratingTemperaturesinanElectricalPowerTransformerUsingaTemperature CompensatedFiberBraggGratingasaReference[A].ProcoftheOpticalFiberSensorsConf(OFS11)[C].SapporoJapan,1996:566-569.
[13] RaoYJ.Wavelength division multiplexedin fiberBraggGratingFabry PerotSensorSystemforQuasi distributedCurrent Measurement[A].ProcoftheAnnualConfOnAppliedOpticsandOptoelectronics(IOP)[C].Brighton,1998:99-104.
[14] FerdinandP.MineOperatingAccurateStabilityControlwithOpticalFiberSensingandBraggGratingTechnology[J].TheBRITE EURAMSTABILOSProjectLightwaveTechnol,1995,(13):303-313.
[15] EckeW.OpticalFibreGratingStrainSensorNetworkforX38SpacecraftHealthMonitoring[A].ProcoftheSPIE(14thOFS ConferenceVenice)[C].2000,4185:888-891.
[16] ZhangL.SpatialandWavelengthMultiplexingArchitecturesforExtremeStrainMonitoringSystemUsingIdentical chirped grating interrogationgTechnique[A].ProcoftheOpticalFiberSensorsConf(OFS12)[C].USA:WilliamsburgVA,1997:425-455.
[17] FerdinandP.ApplicationsofBraggGatingSensorsinEurope[A].ProcoftheOpticalFiberSensorsConf(OFS12)[C].USA:WilliamsburgVA,1997:14-19.
[18] 余有龙,谭华耀,锺永康.基于干涉解调技术的光纤光栅传感系统[J].光学学报,2001,32(8):987-989.
[19] DavisMA,kerseyAD.All fiberBraggGratingStrain sensorDemodulationTechniqueUsingaWavelengthDivisionCouple[J].ElectronLett,1994,30(1):75-77
[20] 贾宏志,李育林,忽满利.用可调谐法布里—珀罗腔测量光纤光栅波长[J].激光杂志,2000,21(2):58-61.
[21] 姜德生,何 伟.光纤光栅传感器的应用概况[J].光电子·激光,2002,13(4):420-430.
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