混合诊断建模与故障检测率和隔离率算法解析-计算机测量与控制混合诊断建模与故障检测率和隔离率算法解析杨智勇1,2许爱强3赵秀丽4陈黎明5（1.海军航空工程学院军事后勤学和军事装备学博士后流动站，烟台264001；2.91370部队，福州350015；3.海军航空工程学院科研部，烟台264001；4.海军航空工程学院基础部，烟台264001；5.海军航空工程学院接改装训练大队，烟台264001）摘要：针对混合诊断建模中故障“有时影响”功能以及故障和功能可靠性数据冲突情况下的故障检测率和故障隔离率计算问题，研究了混合诊断建模与推理规则以及故障和功能可靠性数据冲突处理方法，通过分解故障并扩展故障－测试相关矩阵定义，将故障与功能间不确定性关联转化为确定性关联，归纳了故障和功能可靠性数据冲突处理计算公式，提出了基于扩展故障-测试相关矩阵和分别采用故障模式均分法、故障模式优先法、功能优先法的故障检测率和故障隔离率算法，给出了计算示例，并与eXpress软件运行结果相对照，验证了所提算法的正确性，深化了对eXpress软件功能原理的认识。关键词：混合诊断模型；故障－测试相关矩阵；故障检测率；故障隔离率中图分类号：TB1文献标识码：AHybridDiagnosticModelingandComputationofFDR/FIRYangZhiyong1,2XuAiqiang3ZhaoXiuli4ChenLiming5(1.Militarylogisticandmilitaryequipmenttolearnpost-doctoralmobilestations,NavalAeronauticalandAstronauticalUniversity,Yantai264001,China;2.PLA91370,Fuzhou350003,China;3.DepartmentofScientificResearch,NavalAeronauticalandAstronauticalUniversity,Yantai264001,China;4.DepartmentofBasicCourses,NavalAeronauticalandAstronauticalUniversity,Yantai264001,China;5.Trainingbrigadeofnewequipment,NavalAeronauticalandAstronauticalUniversity,Yantai264001,China)Abstract：Hybriddiagnosticmodelingisanextensionofdiagnosticdependencymodeling.Inhybriddiagnosticmodel,therelationshipofthefailuremodeeachaffectedfunctioncanbesometimesaffects,andfunctiondefinitioniscomprisedofreliabilitydata.TocomputeFaultDetectionRate(FDR)andFaultIsolationRate(FIR)whenfailuremodessometimesaffectfunctionsandthereareconflictsbetweenfailuremodesreliabilitydataandfunctionsreliabilitydata,thispaperfirststudieshybriddiagnosticmodeling,hybriddiagnosticinferencesandthecorrelationoffailureratesforfunctionsandfailuremodes,thendividesfailuremodesthatsometimesaffectfunctionsandextendsthedefinitionoffault-testdependencymatrix,sumsupthecomputingformulasoffailureprobabilitycalculationmethod,proposesthealgorithmofFDR/FIRcomputationwithfailuremodeapportionment,failuremodeprecedenceandfunctionalprecedence.TheresultsoftheexamplearesametoeXpressrunningresults,sothealgorithmofFDR/FIRcomputationisdemonstratedtobecorrect.ThestudyishelpfultounderstandtheprincipleofeXpress.Keywords：hybriddiagnosticmodeling;fault-testdependencymatrix;faultdetectionrate;faultisolationrate0引言混合诊断模型是故障－测试相关性模型的本文来源：网络收集与整理，如有侵权，请联系作者删除，谢谢！