基于反熔丝fpga的空间力学参数采编单元的设计与研究-微电子学与固体电子学专业论文.docx

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2018-05-05 发布于上海
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基于反熔丝fpga的空间力学参数采编单元的设计与研究-微电子学与固体电子学专业论文.docx

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基于反熔丝fpga的空间力学参数采编单元的设计与研究-微电子学与固体电子学专业论文

The SpaceAcquisitionSystemBasedonAnti-fuse FPGAfor Mechanical ParametersAbstractThespaceacquisitionsystembasedonanti-fuseFPGAformechanicalparameters studiedinthedissertationisappliedtothe telemetrysystemofaircraft.The taskofthesystem istosampleinrealtimeandtransmittheparametersoftheaircraftconcerningvibration, shock andnoisetothememory.Thesystemiscomposedofacquisitiondeviceandgroundtestingplatform.Theformer oneisusedtosampleandeditdata,andit ismadeupofsignaladjustingmodule,A/D converter,FPGAcontrollerandLVDSinterface.Thegroundtestingplatformismainlyused tosendcommandsofstartingorshuttingetc.Italsoachievessomefunctionssuchas providing50channelsanalogsignalandtestingautomaticallyonlineandreadingdataafter beingreclaimed.Thegroundtestingplatformconsistsoffourcards,includingpowerboard, USB reading card,analog signalgenerating card,online readingcard.Firstly,thispaperintroducesthedevelopmentstatusofthedatagatheringandcoding equipmentathomeandabroad,pointsoutthegapsthatthedomesticdatagatheringand codingequipmentrelativetoforeigndevice,andgivesabriefintroductionoftheanti-fuse FPGA.Secondly,theoutlineofthesystemisgivenonthebasisofthesystemtechnical requirement.Thereisalsoadiscussionaboutthehardwarecircuitofthegatheringandcoding module,thedataframeformatandpowermoduleandsoon.Atthesametime,thefunctionof theground testingplatformandprincipleofeachcardaredescribedindetail.Inaddition,this paper paysmoreattentiontothe applicationand developmentoftheanti-fuseFPGAand gives thevariousoptimizationsthattheanti-fuseFPGAhasbroughttothesystem.Thereisalsoa studyonitssequentialcircuitdesignandhowtocontrolitsclock.Finally,thepaperpresents the design method in terms of reliability, including electromagnetic compatibility, heatdissipation,and radiationresistance.Itisprovedby latter experimentsthatthespacemechanicalparametersacquisition systemcanachievethereal-timecollectionandtransmissionof50channelssignalincluding highandlowfrequencyvibration,shockandnoiseetc.Moreover,itmeetsthedemandsin term