PPT创意设计方案 201491 - Indico [Home]

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1、PreliminaryDesignoftheeXTPSatelliteInstituteofSpacecraftSystemEngineering,CASTHongBinMar22th,2017,Beijing1.GeneralDescription2.DesignEvolution3.BasicParameters4.PreliminaryDesign5.ProgrammeSchedule6.Problems7.ConclusionsOutlinesGeneralDescriptioneXTP,theenhancedX-rayTimingandPolarimetr

2、ymission,isasciencemissiondesignedtostudythestateofmatterunderextremeconditionsofdensity,gravity,andmagnetism.It’sthenextgenerationoftheX-raydetectedtelescopeafterHXMTinChina.HXMTeXTP2007TheconceptionofXTPwasputforwardbyIHEP;2008-2012AnadvancedresearchoftheXTPwascarriedoutbyISSE;2013-2

3、014Completedthesystemanalysisandachievedthemission’sbasicparameters.ThefirststepdesignoftheXTPwasfinished;2015-2016WiththeLADandWFMaddingintotheXTPandtheparametersofSFA&PFAhaschanged，redesignedtheeXTPsatellite;2017Newlaunchvehicle;neworbit；newpayload；SoweupdatethedesignoftheeXTPsatelli

4、te.2.DesignEvolution3.BasicParametersOrbit550km,0degLaunchvehicleLM-7LaunchsiteWenchangSatelliteLaunchCenterMassLaunchMass≤4500kgPowerMaxdemand3300WSolararray35m2CommunicationFrequencyBandKa-bandDataVolume3.2TbperdayDataRate1500×2MbpsControlsystemAccuracyofattitudepointing<0.01°(3σ)Acc

5、uracyofattitudemeasurement<0.002°(3σ)AttitudeStabilization0.005°/s(3σ),1’/500s(3σ)Missionduration8years（goal15years）LM-7launchvehicle，hasabigfairingwithdiameterof4200mmatotalheightof10300mm，hasmaximumcapacityfor550kmcircularorbitat0deg.inclinationis4500kg.4.PreliminaryDesignLaunchVehic

6、leTelemetryandControlsystemTheTCsystemappliestheinternationalUSBsystem.LowtiltanglecommunicationisachievedthroughutilizingrelaysatellitesorbuildingnewTCstation.SatellitegroundapplicationsystemDatareceivingisachievedbystationsatSanya.OrusingthegroundstationatMalindi(3°SKenya),builtbyIta

7、lian(LOFTteam).The–Xaxispointtothespecificobjectsintheinertialspace；ThesunvectoriscontrolledinXOZplaneandinaobtuseanglewiththe+Zaxis；Thesunvectorwillperpendiculartothesolararraybyrotateit；Accordingtotheuser’sobservationplantocarryoutattitudemaneuver，aimingattheburstobjectstocarryonth