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【英文标准名称】:Mathematicalexpressionsforreliability,availability,maintainabilityandmaintenancesupportterms
【原文标准名称】:可靠性、可用性、维修性和维修保障术语的数学表示
【标准号】:BSIEC61703-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-11-28
【实施或试行日期】:2001-11-28
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:维修;质量控制;可靠度;有效性;数学符号;数学;维修性;电气工程;数学计算;质量保证;术语
【英文主题词】:electricalengineering;definitions;definition;symbols;mathematics;vocabulary;maintainability;reliability;functions;arithmetical;maintenance;availability;arithmetic
【摘要】:ThisInternationalStandardprovidesmathematicalexpressionsforreliability,availability,maintainabilityandmaintenancesupportmeasuresdefinedinIEC60050-191.Thefollowingclassesofitemsareconsideredseparatelyinthisstandard:-non-repaireditems;-repaireditemswithzerotimetorestoration;-repaireditemswithnon-zerotimetorestoration.Inordertokeepthemathematicalformulaeassimpleaspossible,thefollowingbasicmathematicalmodelsareusedtoquantifydependabilitymeasures:-randomvariable(timetofailure)fornon-repaireditems;-simple(ordinary)renewalprocessforrepaireditemswithzerotimetorestoration;-simple(ordinary)alternatingrenewalprocessforrepaireditemswithnon-zerotimetorestoration.Tofacilitatelocationofthefulldefinition,theIEC60050-191referenceforeachtermisshown(inparenthesis)immediatelyfollowingeachterm,forexample:meantimetorestoration[191-13-08]Theapplicationofeachdependabilitymeasureisillustratedbymeansofasimpleexample.NOTEThisstandardismainlyapplicabletohardwaredependability,butmanytermsandtheirdefinitionsmaybeappliedtoitemscontainingsoftware.SomeofthesoftwaredependabilityaspectsareexplainedinannexD.
【中国标准分类号】:L06
【国际标准分类号】:03_120_30;29_020
【页数】:56P;A4
【正文语种】:英语