TelescopeandCCDCameraAntacticSurveyTelescopex3(AST3)AntacticSurveyTelescopex3(AST3)AST3CCDCameraNoshutterTobeoperatedwithFrameTransfer，10kx5kFOV:～4.3sq.degree16readoutchannelSurveyControlandDataSystemAST3SurveyControlandDataSystem—Hardware+SoftwareSurveyControlandDataSystem0.Surveyareasselection（sciencedriven）1.Surveyscheduling2.Computer,acquisition,anddatastoragesystems3.Real-timepipeline4.DatabaseComputers,Acquisition,andStorageSystems(Linux)MainControlComputerSurveySchedulingDataAcquisitionControlothersystemsDiskArraysx2PipelineComputerx2Real-timePipelineOn-sitedatabaseDesignedbasedonpastexperienceandactualconditions：LowairpressureisnotaproblemControllableworkingtemperatureinPLATO-A（e.g.,-10C）Computers（x5）：LaptopconfigurationIntel®i7-620MandIntel®HM55Lowpowerconsumption-idle:<22W-diskI/O:<30W(formaincontrol,storagecomputers)-fullyloaded:<40W(forpipelinecomputer)i7-620Misfastenoughforreal-timepipelineLowtemperatureproof（<-20C）Lessexpensivethanhigh-endproducts(e.g.,militarycomputers)DataStorage:DiskArrays：IndependentcomputercontrolLowtemperaturetest(2.5inchdisk)-9Ccoldstart（Seagate500G）MuchmorecosteffectivethanSSDLowairpressuretest（Yang-Ba-Jing）Temperaturecontrolsystem:-5C～+5C，+40Cpowercutoffprotection20disks(10TB)perarrayEnoughfor1telescope,peryearEasilyexpandable,datasafe2systemsforredundancyOnly1diskispoweredoneachtime,savingenergy(35W)Designprinciples:-Fullyautomaticsurvey-RemotecontrolthroughconfigurationfilesSurveycontroldaemon“ast3d”—mutil-threadprocessSurveyrelatedsoftwaresSurveyschedulingTelescopecontrolCCDcontrolCCDdataacquisitionOthersupplementaryfunctionsReal-timepipelineDatabaseMulti-threadprocessSurveyControlthreadSchedulingPointing,focusingAcquisitionDistributingimagestostorageandpipelineCCDControalthreadPoweron/offCCDasscheduledConfigupdatethreadNoneedtorestartast3dDe-snowthreadAlarmthread（telescope,CCD）Automaticallyselectthebestfieldfromthesurveyareas,maximizingtheefficiency.S