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©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(,266041):,:,:;;:TP212.9;U666.12+3:A:1000-9787(2001)05-0001-04TechnologyanddevelopmentofinertialmeasurementunitXUJing-shuo(Dept.ofAero-Special-Equipment,TheBranch,NavalAeronauticalEngineeringAcademy,Qingdao266041,China)Abstract:Thedevelopmentofinertialmeasurementunit(IMU),alongwiththeirimportantsituationininertialnavigationsystem(INS),ThentheprincipleandimplementationofnewIMU:HRGMEMS-IMUfiber-opticgyroarediscussed,andfinallythedevelopmentdirectionisproposed.Keywords:inertialmeasurementunit(IMU);hemisphericalresonatiorgyro(HRG);opticalgyroscope0(inertialnavigationsystem,INS),,,,,,205070(dynamicallytunedgyroscope,DTG);80(ringlasergyroscope.RLG)(fiberopticgyroscope,FOG)90(micro-electro-mechanical-:2001-02-09systemgyroscope,MEMSG),1,10-5gnINS,INS,,,,,,[1]:(1),;(2),,:12001205(JournalofTransducerTechnology)©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(0.005/h)2070,,,,,,,,,2080(RLG),Sagnac,:(),(FOG)(0.051/h),,[2,3],90,,[46]2,,,,80,(Coriolis),(hemisphericalres2onatorgyro,HRG),(Delco)HRG,[4](G.H.Bryan),,,,,,(110-6)/,11HRGFig.1HRGconfiguration,,,,,,,22Fig.2Hemisphericalresonatorwave220©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=K,(1);;K,0.3[4],(1),,,,,RLG,,RLG32080,ICm/nm,(MEMS)MEMS,(ASIC),[58],DraperLab,1989[5],,,,,,,,,,,2000Hz1979Standford,LITEFB-290[7],,,,,,,,(50,20[5])(ARPA):2140%,MEMS20%,15%25%4(RLG)(FOG),SagnacRLG,(RLG6),RLG,(),,0.05m;,SiO2TiO22030,/4,0.6328m,99.93%,RLG,,FOGRLG,,FOGRLG[2],(IFOG)(RFOG),(BFOG)[9,10],,35:©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(510m),,(),(),,,,Sagnac,,,,,5,:(1),;(2),;(3),;(4)();(5),MEMS,,DraperLabRockwell[5];MorrisonQubik;,,[6]6,,,,:[1].[M].:,1996.29-31.[2].[J].,1999,(1):34-38.[3],,.[J].,1999,(3):46-50.[4]RybakFJ.ComparisonofHRGandopticalgyros[J].IEEE,1992,AES20(5):40-46.[5]DavisBS.Using-low-costMEMSaccelerometersandgyroscopeasstrapdownINSonrollingprojectiles[C].IEEEPLANS98.1998.594-601.[6]GreiffP,AutkowakB.Vibratingwheelmicromechanicalgyro[C].IEEEPLANS96.1996.31-37.[7],.[J].,1999,(4):8-13.[8]HulsingRH.MEMSinertialrateandaccelerationsenser[C].IEEEPLANS98.1998.169-176.[9]PavlathGA.Fiber-opticgyroscopes[C].ProceedingsoftheIEEELEOSAnnunlMeeting,1994:237-238.[10]KillianK,HollingerW.Highperformancefiberopticalgyroscopewithnoisereduction[J].SPIE,1994,2992():255-263.:(1965-),,,,,1989,,420