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1、Subject：ResearchandImplementationofFTUTelemetrySystemBasedonCPLDSpecialty：CommunicationandInformationSystemName：FuXing（Signature）Instructor：LiaoXiaoqun（Signature）ABSTRACTThefeederterminalunitisthemaindeviceofDistributionfeederautomationsystems.Itismainlyusedtoa
2、ccomplishreal-timemonitoringoftheswitchonthecolumn,monitortheoperationofthedistributionsystem,provideavarietyofparametersandrapidlyimplementtheordersissuedbythemaster,andcompletetelemetry,remote,remotecontrol,faultdetection.Thereal-timeofdataisessentialandtheam
3、ountofdataprocessingisverylarge.Withoutincreasingtheperipheralcircuitsanddedicatedlarge-capacitycachechip,UsingCPLDrealizationoftelemetrycangreatlyenhancetheinformationtransferrateandimprovetheinformationtransmissionperformance.Itprovidesaviablesolutiontosolvet
4、heproblemofreal-timemonitoringandfaultdetection.Therefore,asoneofthekeytechnologies,telemetrysystembasedontheCPLDhasbeenusedinthedistributionfeederautomationsystemstomeettheneedsofreal-timemonitoring.Thisthesisinvestigatesseveralissuesrelatedtothishottopic,them
5、ainresearchresultsareasfollows:Thecircuitsinthetelemetrysystemareanalyzed.Itincludessamplingcontrolcircuit,thefrequencymeasurementcircuit,dividercircuitandthenetworkinterfacecircuit.Then,thisthesisgiveshardwarecircuitdesignandsoftwaredesign,accomplishesthesimul
6、ationtestofthefourcircuits,andanalyzesSystematicerrors.ThethesisdesignsthehardwarecircuitdesignoftelemetrysystembasedonDSPandCPLDhardwareplatform.Itintroduceshardwarecircuitdesignoftheoverallsystem,givesthehardwarecircuitblockdiagramofthetelemetrysystem,anddesi
7、gnsinternallogicmoduleofeverycircuit.ItalsoputsforwardaprogramwhichusesCPLDtocompletetelemetry.ItdescribesthesoftwaredesignprocessoftelemetrysystembasedonQuartusIIdevelopmentenvironment.Itdiscussesthetop-downdesignapproach,introducesthedesignprocessthatusesVeri
8、logHDLhardwaredescriptionlanguagetoachievecircuitsofthetelemetrysystem,andwritesprocedurestoimplementeachcircuit.Inthispaper,italsoincludessimulation,debuggingandtestingofth
