基于WEB技术的汽轮机电液控制系统的故障诊断

上海交通大学硕士学位论文基于WEB技术的汽轮机电液控制系统的故障诊断姓名：梁彦申请学位级别：硕士专业：机械电子工程指导教师：施光林20060201IWEBDEHDigitalElectro-HydraulicControlSystemDEHDEH12WEBWEB3IEC61131-3WEBIIFAULTDIAGNOSISONELECTRO-HYDRAULICCONTROLSYSTEMSOFSTEAMTURBINEBASEDONWEBTECHNOLOGYABSTRACTInthepowerplant,theadjustmentcontrolofsteamturbinehascompletedbythedigitalelectro-hydrauliccontrolsystem(DEH).TheDEHcontrolsystemisthecoreofoperationandcontrolofsteamturbine.Thefailureofthesystemwillaffectthesecurityofelectricunit.Aftersynthesizingalotofrelatedliteraturesandreferencematerialsathomeandabroad,thisthesisstudiesthefaulttheoryofDEHcontrolsystemsofsteamturbineanddevelopedanewtypeofdiagnosesplatform,whichcanrealizetheextraction,diagnosesandremoteissuanceofthefaultaboutelectro-hydrauliccontrolsystemsofsteamturbine.Themainresearchtasksaboutthethesisareasfollows:Firstly,thethesisanalyzesandstudiesthetheoryofelectro-hydrauliccontrolsystemsofsteamturbine,accomplishesthefaultmodeandeffectanalysis,buildsthefaulttreeofsystem,anditanalyzestheexpertsystemandthecompositionandacquisitionofexpertknowledge.Alloftheseanalyzethetheoryoffaultdiagnosisaboutelectro-hydrauliccontrolsystemsofsteamturbine.Secondly,thethesisstudiestheapplicationofWEBtechnologyintheautomaticmonitoringfieldanddevelopesanewtypeofdiagnosisplatformIIIbasedonanewembeddedWEBmodule,whichenhancesthecompatibilityintercommunicationandopennessofthesystemnetwork.Thirdly,inthesoftwarerealization,thefaultdiagnosislogichasbeenwrittenaccordingtothestandardofIEC61131-3.Somefrequentalgorithmshavebeendesignedtohelptheconfiguration,debug,maintainandoperationofthewholesystem.KEYWORDS:steamturbine,electro-hydrauliccontrolsystem,WEBtechnology,faultdiagnosis2006216□□“√”2006216200621611.1[1]DEHDigitalElectro-HydraulicControlSystemDEHDEH300MW[2]200MW125MWDEH[3]DEHDEHDEHDCSDEHWEBIEC61131-31.2220[4]1.2.1EPRIBentlyIRDCSI[5]Radial1987Turbine9000[6]WHECAIDDOC[7]Bently[8]DEF19782090MonitoringandDiagnosisAidStation2090PSADDIVAABBB&K[9]1.2.220708020803[5]1983[10]1.31.3.1HerringBoneAnalysis,HBAFailureModeEffectsandCriticalityAnalysis,FMECAFaultTreeAnalysisFTAEventTreeAnalysisETA[1]LogicalMethod4FMEAFTAFTA1961FTA1974WASH-4000FTA1975BerkeleyFTAFTAFTAFMEA1950FMECAFMAFBAFCAFMEAFMEAFMEA[2]1.3.21-11-1ExpertSystemsQualitativeReasoningNeuralNetworksE.A.Feigenbaum1-1Figure1-1Dynamicfaultdiagnosisofsystem5[11][12]DEH[13][14]searchspace[1][15][16]1.41350MW2WEBIEC61131-36I/ODCS/PLCIISInternetInformationServiceWEBWEBI/OIISWEBWEBModbus/TCPIEC61131-3WEBOPCSever1-2I/OHMIIISWEBDCS/PLCWEBWEB1-2Figure1-2Twotypesofdiagnosis7WEB2.1WEB2.1.1DCSPLCDCSDistributedControlSystemDCSDCSRISCDCS2-1[17]WindowsNTWindows2000OPCClientOPCServerOPCServerI/OOPCClient1975HoneywellDCS—TDC200030DCS2-1DCSFigure2-1CompositionofDCScontrolstation8ITDCS[18]DCS4DCSERP[19]DCSPLCITFCSPLCIEC61131IEEE802.3TCP/IPUDP/IPWindowsNTOPCWEBPLCPLC2.1.2WEB[20][21]HTTPURLUniformResourceLocatorInternetURLhttpHTTPWEBFTPNNTP[22]//10WEBWEBWEBWEBCGIWEB()WEBJavaInternetCGIWEB2.2WEBWEBWEBPDA11WEB2.2.1WEBPC32CPU100100[23]CPUMotorola,IntelQED(SantaClaraCA)ARM,MIPSCPUMotorola68K32CPU8019978000680xx002040K683xx60023228KColdfire68KMIPSMIPSSGIMIPSSGIMIPSMIPSRISCHitachiSHSHARMARMAppleNewtonARMARMMIPSSHARMPowerPCX861997IntelAMDX86900X86CPUX86CPUAMDIntelAMD1861188AMD386486E1anPCARM7DTMICPUARM7DTMIARM7DTMI50MHzx48612[24]NetSiliconNET+5044MHzARM7TDMINET+50100/10MMII10DMA2-3NET+50ENICo-processorI/FMII[25]SerialModuleX2X41284SPIHDLCUARTGPIOX40PLLCLKGeneratorBusArbiterInterruptControlleTimersandCountersARM7TDMI44MHz8kBD/I-cacheARMJATGTestandDebug10/100EthernetMII,ENDEC,PMDMACMemoryControllerExt.BusInterfaceENICo-processorI/F10-ChannelDMA44MHzSystemBus32b-D,28b-A2.2.2ARMARM7TDMIARMAdvancedRISCMachinesAdvancedRISCMachinesARMLimitedARMIPARM32RISC100—ARMARMARMARM3232RISCARMARM2-3NET+50Figure2-3InsidestructureofNET+50chip13ARMThumb16DSPDSPJazellerJavaARM32Thumb16163235%3232ThumbARMARMJazelleJavaJavaJVMJava80%ARMARM7ARM9ARM9ARM10SecureCoreARM732ARM7ICE-RT0.9MIPS/MHZ·ARMTARM7TDMIARM7TDMI-SARM7EJARM720TARM7TDMI32RISCARM[26]ARM7TDMIARM7ARM6323VT16ThumbDdebugMmultiplier64IICE2.3WEB2.3.1WEBInternetInternetWindowsNTWindowsCEVentureComRTXVxworkNTEmbeddedLINUX14CPU2-4[27]PCEmbeddedOSWindowsCEWindowsNT2-5:HMIInternetWEBControlOPCAPI[28]HMIReportTrendArchiveControlWEBWizconAdd-APIKernelOPCNetworkHMIInternetHMIWEBInternetControlHMI2-4Figure2-4Structureofdevelopstudio2-5Figure2-5Structureofembeddedautomaticoperationsystem1512XCT3POS41——,;232OPC3HMI,4InternetJavaWEBWEB5WindowsCEVxWorkLinux6VBC++JAVAAPI2.3.2WEB(1)2-6[29]JavaHTMLWindowsNTHTMLJavaHMIWEBHMIInternetHTMLJava2-6Figure2-6Theschemeofdevelopmentsystem16(2)WindowsCE2-7SoftwareApplicationSystemEmbeddedShellWinCEShellServicesRemoteConnectivityWin32APLsKernelFileSystemDeviceManagerDisplaySystemOALDriverDriverD