【英文标准名称】:StandardClassificationforHierarchyofEquipmentIdentifiersandBoundariesforReliability,Availability,andMaintainability(RAM)PerformanceDataExchange
【原文标准名称】:可靠性、有效性和可维护性数据交换用设备识别符和边界的分级结构的标准分类
【标准号】:ASTMF2446-2004(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F25.05
【标准类型】:(Classification)
【标准水平】:()
【中文主题词】:
【英文主题词】:availability;boundary;equipment;hierarchy;maintainability;maintenance;reliability;ship;shipboard;shipboardequipment;shipreliability;vessel;Dataexchange/transfer;Hierarchy;Reliability,availability,andmaintainability(RAM
【摘要】:CapturinghighqualityReliability,Availability,andMaintainability(RAM)performancedatarequirescarefulandconsistentcollectionofequipmentfailureandrepairdata,operatinghours,andrepairtime.Astandardhierarchyofequipmentboundarieshasbeenneededformachinerydataexchangeamongthestakeholdersinshipbuilding,shipclassification,andshipoperations.IndustryandgovernmentwilluseaworldstandardmethodforsettingthehierarchyofindenturesandboundariesrequiredforassigningfailureandrepaireventstoequipmentforthetrackingandcalculationofequipmentRAMperformance.Agreedboundariesandequipmentidentifiersmakeitpossibletoshareequipmentdataamongorganizations,benchmarkequipmentperformance,performmodelingandsimulationofcurrentandproposedsystems,oruseperformancedatatoimproveoperationsofcommercialandNavalvessels.RAManalysisisprimarilybasedontheobservationofindividualcomponentsamongwhichidenticalitemscontributetothesamedatasample.Thisclassificationisdesignedtobeusedfortheidentificationofindividual(unique)componentsinsuchawaythatidenticalcomponentscanbeidentifiedwithinagivendatasample.1.1Thisclassificationistoserveasaninternationalstandardformarineequipmentnomenclature,taxonomy,hierarchicaldatastructure,uniqueidentifiers,andboundarydefinitionfortheconsistentacquisitionandexchangeofequipmentRAMperformancedata.Thestandardaddressestheclassificationofmechanicalandsoftwareproducts.1.2RAMinanacronymforReliability,Availability,x0026;Maintainabilitywhere:1.2.1Reliabilityistheprobabilitythatanitemcanperformarequiredfunctionundergivenconditionsforagiventimeinterval(t1,t2).Itisgenerallyassumedthattheitemisinastatetoperformthisrequiredfunctionatthebeginningofthetimeinterval.1.2.2Availabilityistheprobabilitythatanitemisinastatetoperformarequiredfunctionundergivenconditionsatagiveninstantoftime,assumingthattherequiredexternalresourcesareprovided.1.2.3Maintainabilityistheprobabilitythatagivenactivemaintenanceaction,foranitemundergivenconditionsofusecanbecarriedoutwithinastatedtimeinterval,whenthemaintenanceisperformedunderstatedconditionsandusingstatedproceduresandresources.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatoryrequirementspriortouse.
【中国标准分类号】:L05
【国际标准分类号】:47_020_01
【页数】:25P.;A4
【正文语种】:英语