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1、中北大学学位论文DesignofMicroInertialMeasurementSystemforMiniatureProjectile-basedEquipmentsagainstHighOverloadAbstractWiththewargraduallytransformingtoalocalwarinfuture,conventionalwarisstillthemainwaytosolve.Payingtheminimumpricetocreatethegreatestdestructionvalueisthebestinthewar.Sot
2、heprecisionstrikewillbecomethemainmodeofcombatinmodernwarfareandthetransformationofconventionalguidedweaponswillbecomeaninevitabletrend.Duetotherestrictionoflimitedspaceandseverelaunchenvironmentofguidedammunition,proposedadesignofmissile-borneMEMSinertialmeasurementsystem，which
3、iscomposedofmicroinertialmeasurementunitanddataacquisitionandstoragedevice,andhasadvantagesofsmallvolumeandhighoverloadresistance.BasedondiscussingtheprinciplesandrequirementsinstructuraldesignofMIMU,reducedthevolumeandweightofitwithoutdecreasingthemeasurementaccuracy.Withmultip
4、leprotectionsofspecialpottingmaterialsandpottingprocesses,thehigh-overloadresistanceofMIMUstructurehasbeengreatlyimproved.ThefeasibilityanalysisandvalidationonstructuraldesignofMIMUbyANSYSshowthatthisstructuraldesignhasgoodmechanicalpropertiesandstrongoverloadcapacity.FPGAisused
5、asthecontrolunitofdataacquisitionandstoragedevice,regulatingA/Dconversionofprojectileflightinformation,storageofdigitalsignaltoFLASH,whichcanrecordprojectileflightinformationalongballistictrajectory.Finally,establishederrorcalibrationcompensationmodelofMIMUandcompensatedinstalla
6、tionerrortoimprovesystemaccuracy.Shocktestandmissile-bornetestverifiedthevalidityofRelatedtechnologies.Testsshowthatthesystemcanmeettherequirementsofguidedammunitionsthatmicroinertialmeasurementsystemshouldhassmallsizeandhighoverloadresistance,andrecorddatacompletelyduringthefli
7、ght,providingapplicationvalue万方数据中北大学学位论文toaccuratemeasurementofprojectileflightparameterssuchasattitude,position,speedandsoon.Keywords:Microinertialmeasurementsystem,MIMU,Miniaturization,Againsthighoverload,Dataacquisition万方数据中北大学学位论文目录第一章绪论.....................................
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