燃氣輪機氣路故障診斷技術(shù)研究.pdf

1、哈爾濱工程大學碩士學位論文燃氣輪機氣路故障診斷技術(shù)研究姓名：李輝申請學位級別：碩士專業(yè)：輪機工程指導教師：李淑英201203ABSTRACTUaSturbmework1SaprocessthatisaCROSS—couplingofthethermodynamic；itisDrone1：0occurvariousfailuresunderpoorworkingconditionsItwillbringgreat10ssestoprodu

2、ctionandoperationintheeventoffailureGasturbinefaultdiagnosiscallhelppeople‘)IoperationandmaintenanceadvancewhichisabnormalWeshouldidentifythecauseofthemalfunctionquicklyandgiveareasonablesolution，also，makethegasturbinewo

3、rl(safelvandsteadilyInthiSwork，thisarticleresearchesontechnologyofgaspathfaultdiagnosisofgasturbinewhichprovidesareferencefortheactualproductionThemainworkisfollowing(1)EstablishmentofastandardthermalparametermodelAccord

4、ingtothedataprovidedbythemanufacturerofthetest，weusethecalculationofvariableheatcycleteceiveacharacteristiclineofgasturbinecomponentsWesetupasingle—axismode]forgasturbinefault—freebymodularmodelingmethod；usetheconditions

5、ofthedesignDointtoVerifythecorrectnessofthemodelItCanbeachievedonthemonitoringofgasturbineperformanceparametersthroughnofaultmodelAlso，Troublefreegaspathlaidthefoundationforgaspathfaultdiagnosisofgasturbine(21Researchont

6、echnologyofgaspathfaultdiagnosisofgasturbineWemakethedeviationofthefaultmodelleastandisolatetheindependentvariationofchangesintheamountofdeviationWeassociatedthedeviationofthemeasuredparametersandperformanceparametersbyf

7、aultcoefficientmatrixItisbasedonthecriteriaofthecommongaspathfault；weobtainedtheninedeviationfaultsituationofthetypicalwayFinallVweanalyzedtheimpactoftheenvironmentaltemperaturethatwasonthegaspathdiagnostic(3)Researchonm

8、achinelearningapplicationofgaspathfaultdiagnosisofgasturbineThispaperdescribesthearchitecturesandprinciplesofBPneuralnetworkand8upportvectormachinewhenusingingaspathfaultdiagnosisofgasturbineWeestablishedthefaultdiagnosi

9、ssystemofgasturbinebyusingBPneuralnetworkandsupponVI：ctormachinebasedoncharacteristicparametersofthedesignpoint(4)ThedevelopmentofaframeworkforconditionmonitoringandfaultdiagnosisofsingleshaftgasturbineThispaperhasdevelo