光纤光栅压力传感器中应力迟滞的消除方法-豆柴文库

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光纤光栅压力传感器中应力迟滞的消除方法
Title:MethodstoEliminateStressHysteresisinFiberOpticGratingPressureSensors
Abstract:
Fiberopticgratingpressuresensorshavegainedsignificantattentionduetotheirhighsensitivity,fastresponse,andimmunitytoelectromagneticinterference.However,thesesensorsoftensufferfromstresshysteresis,whichhindersaccurateandreliablepressuremeasurements.Thispaperaimstoexploreandevaluatedifferentmethodstoeliminatestresshysteresisinfiberopticgratingpressuresensors.Primarily,thediscussionfocusesonthecausesofstresshysteresisandtheimpactithasonthesensor'sperformance.Furthermore,varioustechniquesincludingmaterialselection,sensordesignoptimization,stressrelaxationmethods,andcompensationalgorithmsarethoroughlyinvestigated.Thepresentedmethodsprovideinsightsforresearchersandengineerstodevelopadvancedfiberopticgratingpressuresensorswithimprovedstabilityandaccuracy.
1.Introduction:
Fiberopticgratingpressuresensorshavedemonstratedoutstandingperformanceinmeasuringpressureinvariousapplications,suchasaerospace,automotive,andmedicaldevices.ThesesensorsrelyontheprincipleofchangingtheBraggwavelengthofafiberopticgratinginresponsetoappliedpressure.However,stresshysteresis,whichiscausedbythenon-linearresponseofthesensormaterialundervaryingstressconditions,candegradetheaccuracyandrepeatabilityofthepressuremeasurements.Therefore,itisessentialtoinvestigatemethodstominimizeoreliminatestresshysteresisinfiberopticgratingpressuresensors.
2.CausesandConsequencesofStressHysteresis:
Thecausesofstresshysteresisinfiberopticgratingpressuresensorscanbeattributedtovariousfactors,includingmaterialproperties,sensordesign,andfabricationtechniques.Thepaperdiscussesthesefactorsindetailandhighlightstheirinfluenceonstresshysteresis.Theconsequencesofstresshysteresis,suchasreducedaccuracy,poorrepeatability,andcompromisedlong-termstability,arealsoaddressed.
3.MaterialSelection:
Thechoiceofmaterialsplaysavitalroleinminimizingstresshysteresisinfiberopticgratingpressuresensors.Thepaperanalyzesdifferentmaterialsandtheirp