基于故障树模型的航天器故障诊断研究

19119981JOURNALOFASTRONAUTICSVol.19No.1Jan.19981995119(100022)(100081)(137150001),,STUDYONFAULTDIAGNOSISBASEDONFAULTTREEMODELFORSPACECRAFTJiChangwei(BeijingPolytechnicUniversityBeijing100022)RongJili(BeijingUniversityofTechnologyBeijing100081)HuangWenhu(HarbinInstituteofTechnologyHarbin150001)AbstractThepaperconstructsthefaultdiagnosisbodyforspacecraft,presentsknowledgeorganizationandrepresentationmethodsandtherelevantreasoningandcontrolstrategyforspacecraftfaultdiagnosis,anddemonstratesitsvaliditybydiagnosingafaulttestbedforpowersystemofasatellite1KeywordsSpacecraftFaultdiagnosisFaulttreeKnowledgerepresentationReason2ingstrategy1,,,,,,,,,,,,:2::,,,,,,,,,,()(),,(1)(1):(A)(2):,,(B1,B2,,Bn)(3):,,(C1,C2,,Cj)(4):,,(D1,D2,D3)1,:,IF2THEN2,:,,,IF2THEN3,:,4,:,IF2THEN3311161:1(),2619;,;,,,,,,,,,,,,,312,,,,,,,,,,,,1,,,20V(2530V),,,I2=0,,I2=0,D1,D1,,;D1,,,,,,,,,,,(PFS),D1,,,D14411361:241241211:S0,S1,S5,I2V341212(1):V2=AI2I2V,A(2):a1:I2=0b1:I2=c()c1:V2AI2,A41213,,(4),A1,A2,A94131,B1,C1,C1,I2=046194D1D1,D1D1,D1,A2,A3A6,A7,A8,,,,D1,(CFS)A5(0128)(PFS)A1(0125),A4(0125):A5(0128),A1(0125),A4(0125)A5,A1,A4A5,,Action3A1(0125),A4(0125),,I2=B2I4,I1B1I3,B1B2T1T2,A1,A4A4,,Action2,A5,A4T1(5),5,,(1)(2),(3)(4)561:51JohanDekleerandBrianWilliamsC1DiagnosingMultipleFaults1ArtificialIntelligence11987,32:9721302RaymondReiter1ATheoryofDiagnosisfromFirstPrinciples1ArtificialIntelligence11987,32:572953RandallDavis1DiagnosticReasoningBasedonStructuresandBehavior1ArtificialIntelligence,1984,24:34724104NarayananNHandViswanadhamN1AMethodologyforknowledgeAcquisitionandReasoninginFailureAnalysisofSystems1IEEETrans1SystemsMan,and,Cybernetics,Vol1SMC217,Mar1öApr11987,27422885S1Padalaretal1Graph2BasedReal2TimeFaultDiagnostics,N892155666David1L1Lverson1ADiagnosisSystemUsingObject2OrientedFaultsModels,N902273136619