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1、ThePrincipleandApplicationofRingLaserGyro1BackgroundGyroscope:Asensorwhichhastheabilitytoperceivetherunningspeedandmaintainthedirectionofthetype.InertialcomponentsInertiameasurementInertialnavigationInertialstabilizationInertialguidanceInertialdeviceist
2、hecoreoftheinertialtechnologyTraditionalinertialgyrohasahighrequirementontheprocessstructures,complexstructure,andtheprecisionisrestricted.Ringlasergyrorotorrotatingparts,notangularmomentum,ringframe,alsodonotneeddirectionanglesensormovingparts,suchassi
3、mplestructure,longworkinglife,convenientmaintenance,highreliability.TraditionalgyroRinglasergyroFiberopticgyroRinglasergyro①RLG'szerobiasandscalefactorofthesystemparametersarestabilitycomparedwithFOG,sothecalibrationdifficultyrelativelyeasy.②Theopticalp
4、athofRLGmustbekeptinasolidcomponent,sothedegreeofFOGonthesurroundingenvironmentsensitiverthanRLG.③RLGhassomeinherentdrawbacks,suchasmirrors,gas,andundertheconditionoflowspeeditiseasytoclosure.④TheprecisionofRLGishigh,butthepricealsohigh.1Background2Basi
5、cprincipleRotationfreecondition,twobeamsoflighttransmissiontime,whichis,Undertheconditionofrotating,ThetimeoftwodirectionsTransmissiontimePartialfrequencycomponentsChenglongcontrolcomponentSignalreadoutsystemRinglaserLogiccircuitThepowercomponentTheinst
6、allationstructureElectromagneticshieldingcover,etcConstituteoftheRLSTheactualmodel----lasergyrorelativeinterferometer1Background2Basicprinciple3Mainapplication①MostoftheaircraftandcivilaviationabroadF-22,F-35,SU-30aircraft,B747andA320civilianplanes②Conv
7、entionalweaponssuchastanks,artillery"Latin"howitzerSwedishBKAN1AandFH-77-bhowitzersPrecisionmeasurementreconnaissancevehicles③AllkindsoftacticalandstrategicmissilesSmallintercontinentalballisticmissiles"dwarf"TheBlockIIItomahawkcruisemissile.④Observethe
8、tinyseismiceffectandthesolidgroundtidaleffect1Background2Basicprinciple3Mainapplication4ResearchstatusTheresearchstatusofabroadForthefirsttimein1963,theSperry,thecompanysuccessfullydevelopedtheringlasergyro.In1975,Honeywellcompan
