可靠性指标中英文对照
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[绝对可靠]?可靠性维修性标准术语中华人民共和国国家标准GB/T3178-94[可靠性维修性术语]产品<MONK>item修理的产品<MONK>repaireditem不修理的产品<MONK>non-repaireditem服务<MONK>service规定功能<MONK>requiredfunction时刻<MONK>instantoftime时间区间<MONK>timeinterval量度工作修改(效能耐久性可靠性维修性可用性可信性失效关联失效<MONK>relevantfailure非关联失效<MONK>non-relevantfailure独立失效<MONK>primaryfailure从属失效<MONK>secondaryfailure失效原因<MONK>failurecause失效机理<MONK>failuremechanism系统性失效;重复性失效<MONK>systematicfailure;reproduciblefailure;repeatfailure 完全失效<MONK>completefailure退化失效<MONK>degradationfailure部分失效<MONK>partialfailure故障<MONK>fault致命故障<MONK>criticalfault非致命故障<MONK>non-criticalfault重要故障<MONK>majorfault次要故障<MONK>minorfault误用故障<MONK>misusefault误操作故障<MONK>mishandlingfault弱质故障<MONK>weaknessfault设计故障<MONK>designfault制造故障<MONK>manufacturingfault老化故障;耗损故障<MONK>ageingfault;wear-outfault程序敏感故障<MONK>programme-sensitivefault差错失误维修维修方针<MONK>maintenancepolicy维修作业线<MONK>maintenanceechelon;lineofmaintenance维修约定级<MONK>indenturelevel(formaintenance)维修等级<MONK>levelofmaintenance预防性维修<MONK>preventivemaintenance修复性维修<MONK>correctivemaintenance受控维修<MONK>controlledmaintenance计划性维修<MONK>scheduledmaintenance非计划性维修<MONK>unscheduledmaintenance现场维修<MONK>on-sitemaintenance;insitsmaintenance;fieldmaintenance 非现场维修<MONK>off-sitemaintenance遥控维修<MONK>remotemaintenance自动维修<MONK>automaticmaintenance逾期维修<MONK>deferredmaintenance基本的维修作业<MONK>elementarymaintenanceactivity维修工作<MONK>maintenanceaction;maintenancetask修理<MONK>repair故障识别<MONK>faultrecognition故障定位<MONK>faultlocalization故障诊断<MONK>faultdiagnosis故障修复<MONK>faultcorrection功能核查<MONK>functioncheck-out恢复监测需求时间<MONK>requiredtime无需求时间<MONK>non-requiredtime待命时间<MONK>standbytime闲置时间<MONK>idletime;freetime不能工作时间<MONK>disabledtime不可用时间<MONK>downtime累积不可用时间<MONK>accumulateddowntime外因不能工作时间<MONK>externaldisabledtime;externallosstime 可用时间<MONK>uptime首次失效前时间<MONK>timetofirstfailure失效前时间<MONK>timetofailure失效间隔时间<MONK>timebetweenfailures失效间工作时间<MONK>operatingtimebetweenfailures恢复前时间<MONK>timetorestoration;timetorecovery使用寿命<MONK>usefullife早期失效期<MONK>earlyfailureperiod恒定失效密度期<MONK>constantfailureintensityperiod恒定失效率期<MONK>constantfailurerateperiod耗损失效期<MONK>wear-outfailureperiod瞬时可用度<MONK>instantaneousavailability瞬时不可用度<MONK>instantaneousunavailability平均可用度<MONK>meanavailability可靠度维修度平均修理时间<MONK>MRT;meanrepairtimeP-分位修理时间<MONK>P-fractilerepairtime平均实际修复性维修时间<MONK>meanactivecorrectivemaintenancetime 平均恢复前时间<MONK>MTTR;meantimetorestoration故障识别比<MONK>faultcoverage修复比<MONK>repaircoverage平均管理延迟<MONK>MAD;meanadministrativedelayP-分位管理延迟<MONK>P-fractileadministrativedelay平均后勤延迟<MONK>MLD;meanlogisticdelayP-分位后勤延迟<MONK>P-fractilelogisticdelay验证试验<MONK>compliancetest测定试验<MONK>determinationtest实验室试验<MONK>laboratorytest现场试验<MONK>fieldtest耐久性试验<MONK>endurancetest加速试验<MONK>acceleratedtest步进应力试验<MONK>stepstresstest筛选试验<MONK>screeningtest时间加速系数<MONK>timeaccelerationfactor维修性检验<MONK>maintainabilityverification维修性验证<MONK>maintainabilitydemonstration观测数据<MONK>observeddata冗余预计故障树维修树<MONK>maintenancetree维修性分配<MONK>maintainabilityallocation;maintainabilityapportionment 老练<MONK>burnin可靠性增长<MONK>reliabilitygrowth可靠性改进<MONK>reliabilityimprovement可靠性和维修性管理<MONK>reliabilityandmaintainabilitymanagement可靠性和维修性保证<MONK>reliabilityandmaintainabilityassurance可靠性和维修性控制<MONK>reliabilityandmaintainabilitycontrol可靠性和维修性大纲<MONK>reliabilityandmaintainabilityprogramme可靠性和维修性计划<MONK>reliabilityandmaintainabilityplan可靠性和维修性审计<MONK>reliabilityandmaintainabilityaudit可靠性和维修性监察<MONK>reliabilityandmaintainabilitysurveillance 设计评审<MONK>designreview真实的<MONK>true预计的<MONK>predicted外推的<MONK>extrapolated估计的<MONK>estimated固有的<MONK>intrinsic;inherent使用的<MONK>operational平均的<MONK>meanP-分位<MONK>P-fractile瞬时的<MONK>instantaneous稳态的。
英文质量参数
质量参数(Quality Parameter)是指用于描述产品或服务质量的参数或指标。
这些参数可以帮助评估产品或服务的性能、可靠性和耐用性等方面。
以下是一些常见的质量参数:
1. 精度(Accuracy):衡量测量、计算或观察结果接近真实值的程度。
2. 可靠性(Reliability):衡量产品在规定条件下和规定时间内完成规定功能的能力。
3. 耐用性(Durability):衡量产品在正常使用条件下能够维持其性能的时间长度。
4. 性能(Performance):衡量产品执行特定任务的能力或效率。
5. 可维护性(Maintainability):衡量产品维修和保养的难易程度。
6. 安全性(Safety):衡量产品对使用者的生命财产安全保障的程度。
7. 兼容性(Compatibility):衡量产品与其他系统或设备相互配合使用的难易程度。
8. 可重复性(Repeatability):衡量在不同时间或不同地点进行相同测量或试验所得到结果的一致性。
9. 可追溯性(Traceability):衡量产品或过程能够追溯到其来源或历史的能力。
10. 可扩展性(Scalability):衡量产品或系统能够随着需求增长而扩展的能力。
这些质量参数可以根据具体的产品或服务进行选择和调整,以评估其质量水平。
QC常用单词-中英对照介绍这篇文档是为了方便质量控制人员〔Quality Control, QC〕在工作中使用而编写的。
在质量控制的过程中,我们经常会遇到一些常用的单词,这些单词在中英文之间的对照对我们的工作非常有帮助。
本文档将列出一些常用的QC单词,并提供它们的中英对照,希望能对大家有所帮助。
QC常用单词列表及对照下面是一些常用的QC单词及其中英对照:1.产品〔Product〕2.测试〔Test〕3.缺陷〔Defect〕4.报告〔Report〕5.标准〔Specification〕6.标准〔Standard〕7.检查〔Check〕8.方案〔Plan〕9.测试用例〔Test Case〕10.可靠性〔Reliability〕11.准确性〔Accuracy〕12.效率〔Efficiency〕13.可用性〔Usability〕14.可维护性〔Maintainability〕15.平安性〔Security〕16.可重复性〔Repeatability〕17.测试数据〔Test Data〕18.异常〔Exception〕19.验证〔Validation〕20.验收〔Acceptance〕除了以上列出的单词,还有很多其他的单词也非常常用,希望大家在实际工作中能遇到更多的常用单词,并对它们的中英对照有更多的了解。
总结质量控制是软件开发过程中非常重要的一个环节,QC人员需要掌握一些专业的术语和常用单词。
本文档提供了一些常用的QC单词及其中英对照,希望对大家在工作中有所帮助。
同时也希望大家能不断学习和积累,提高自己的专业水平。
如果在实际工作中遇到了其他常用单词,也可以将它们添加到这个列表中,以便与大家共享。
谢谢大家阅读本文档!参考资料无。
可靠性指标
可靠性指标是评估系统、产品或服务在特定条件下能持续正常运行的能力。
以下是一些常见的可靠性指标:
1. 平均无故障时间(MTBF):指系统或设备在正常运行期间平均运行时间的期望值,单位是小时或天。
较高的MTBF值表示系统的可靠性较高。
2. 故障率(FAR):指系统或设备在特定时间段内发生故障的频率,通常以每百万小时或每百万周期计算。
较低的故障率表示系统的可靠性较高。
3. 平均修复时间(MTTR):指系统或设备从发生故障到恢复正常运行所需的平均时间,单位是小时或天。
较短的MTTR值表示系统的可靠性较高。
4. 可用性(Avlability):指系统或设备在给定时间段内正常运行的能力,通常以百分比表示。
较高的可用性表示系统的可靠性较高。
5. 冗余设计:通过在系统中引入冗余组件或备份系统来提高系统可靠性。
常见的冗余设计包括冗余电源、冗余存储和冗余网络。
这些指标可以帮助企业或组织评估其系统、产品或服务的可靠性水平,并采取相应的措施来提高可靠性,减少故障和中断的风险。
绝对可靠可靠性维修性标准术语中华人民共和国国家标准GB/T3178-94可靠性维修性术语产品<MONK>item修理的产品<MONK>repaireditem不修理的产品<MONK>non-repaireditem服务<MONK>service规定功能<MONK>requiredfunction时刻<MONK>instantoftime时间区间<MONK>timeinterval持续时间<MONK>timeduration累积时间<MONK>accumulatedtime量度<MONK>measure工作<MONK>operation修改对产品而言<MONK>modificationofanitem效能<MONK>effectiveness固有能力<MONK>capability耐久性<MONK>durability可靠性<MONK>reliability维修性<MONK>maintainability维修保障性<MONK>maintenancesupportperformance可用性<MONK>availability可信性<MONK>dependability失效<MONK>failure致命失效<MONK>criticalfailure非致命失效<MONK>non-criticalfailure误用失效<MONK>misusefailure误操作失效<MONK>mishandlingfailure弱质失效<MONK>weaknessfailure设计失效<MONK>designfailure制造失效<MONK>manufacturefailure老化失效;耗损失效<MONK>ageingfailure;wear-outfailure突然失效<MONK>suddenfailure渐变失效;漂移失效<MONK>gradualfailure;driftfailure灾变失效<MONK>catalepticfailure关联失效<MONK>relevantfailure非关联失效<MONK>non-relevantfailure独立失效<MONK>primaryfailure从属失效<MONK>secondaryfailure失效原因<MONK>failurecause失效机理<MONK>failuremechanism系统性失效;重复性失效<MONK>systematicfailure;reproduciblefailure;repeatfailure完全失效<MONK>completefailure退化失效<MONK>degradationfailure部分失效<MONK>partialfailure故障<MONK>fault致命故障<MONK>criticalfault非致命故障<MONK>non-criticalfault重要故障<MONK>majorfault次要故障<MONK>minorfault误用故障<MONK>misusefault误操作故障<MONK>mishandlingfault弱质故障<MONK>weaknessfault设计故障<MONK>designfault制造故障<MONK>manufacturingfault老化故障;耗损故障<MONK>ageingfault;wear-outfault程序敏感故障<MONK>programme-sensitivefault数据敏感故障<MONK>data-sensitivefault完全故障;功能阻碍故障<MONK>completefault;function-preventingfault部分故障<MONK>partialfault持久故障<MONK>persistentfault间歇故障<MONK>intermittentfault确定性故障<MONK>determinatefault 非确定性故障<MONK>indeterminatefault潜在故障<MONK>latentfault系统性故障<MONK>systematicfault故障模式<MONK>faultmode故障产品<MONK>faultyitem差错<MONK>error失误<MONK>mistake工作状态<MONK>operatingstate不工作状态<MONK>non-operatingstate待命状态<MONK>standbystate闲置状态;空闲状态<MONK>idlestate;freestate不能工作状态<MONK>disablestate;outage外因不能工作状态<MONK>externaldisabledstate不可用状态;内因不能工作状态<MONK>downstate;internaldisabledstate可用状态<MONK>uptime忙碌状态<MONK>busystate致命状态<MONK>criticalstate维修<MONK>maintenance维修准则<MONK>maintenancephilosophy维修方针<MONK>maintenancepolicy维修作业线<MONK>maintenanceechelon;lineofmaintenance维修约定级<MONK>indenturelevelformaintenance维修等级<MONK>levelofmaintenance预防性维修<MONK>preventivemaintenance修复性维修<MONK>correctivemaintenance受控维修<MONK>controlledmaintenance计划性维修<MONK>scheduledmaintenance非计划性维修<MONK>unscheduledmaintenance现场维修<MONK>on-sitemaintenance;insitsmaintenance;fieldmaintenance非现场维修<MONK>off-sitemaintenance遥控维修<MONK>remotemaintenance自动维修<MONK>automaticmaintenance逾期维修<MONK>deferredmaintenance基本的维修作业<MONK>elementarymaintenanceactivity维修工作<MONK>maintenanceaction;maintenancetask修理<MONK>repair故障识别<MONK>faultrecognition故障定位<MONK>faultlocalization故障诊断<MONK>faultdiagnosis故障修复<MONK>faultcorrection 功能核查<MONK>functioncheck-out恢复<MONK>restoration;recovery监测<MONK>supervision;monitoring维修的实体<MONK>maintenanceentity影响功能的维修<MONK>function-affectingmaintenance妨碍功能的维修<MONK>function-preventingmaintenance减弱功能的维修<MONK>function-degradingmaintenance不影响功能的维修<MONK>function-permittingmaintenance维修时间<MONK>maintenancetime维修人时<MONK>MMH;maintenanceman-hour实际维修时间<MONK>activemaintenancetime预防性维修时间<MONK>preventivemaintenancetime修复性维修时间<MONK>correctivemaintenancetime实际的预防性维修时间<MONK>activepreventivemaintenancetime实际的修复性维修时间<MONK>activecorrectivemaintenancetime未检出故障时间<MONK>undetectedfaulttime管理延迟对于修复性维修<MONK>administrativedelay后勤延迟<MONK>logisticdelay故障修复时间<MONK>faultcorrectiontime技术延迟<MONK>technicaldelay核查时间<MONK>check-outtime故障诊断时间<MONK>faultdiagnosistime故障定位时间<MONK>faultlocalizationtime修理时间<MONK>repairtime工作时间<MONK>operatingtime不工作时间<MONK>non-operatingtime需求时间<MONK>requiredtime无需求时间<MONK>non-requiredtime待命时间<MONK>standbytime闲置时间<MONK>idletime;freetime不能工作时间<MONK>disabledtime不可用时间<MONK>downtime累积不可用时间<MONK>accumulateddowntime外因不能工作时间<MONK>externaldisabledtime;externallosstime可用时间<MONK>uptime首次失效前时间<MONK>timetofirstfailure失效前时间<MONK>timetofailure失效间隔时间<MONK>timebetweenfailures失效间工作时间<MONK>operatingtimebetweenfailures恢复前时间<MONK>timetorestoration;timetorecovery使用寿命<MONK>usefullife早期失效期<MONK>earlyfailureperiod恒定失效密度期<MONK>constantfailureintensityperiod恒定失效率期<MONK>constantfailurerateperiod耗损失效期<MONK>wear-outfailureperiod瞬时可用度<MONK>instantaneousavailability 瞬时不可用度<MONK>instantaneousunavailability平均可用度<MONK>meanavailability平均不可用度<MONK>meanunavailability渐近可用度<MONK>asymptoticavailability稳态可用度<MONK>steady-stateavailability渐近不可用度<MONK>asymptoticunavailability稳态不可用度<MONK>steady-stateunavailability渐近平均可用度<MONK>asymptoticmeanavailability渐近平均不可用度<MONK>asymptoticmeanunavailability平均可用时间<MONK>meanuptime 平均累积不可用时间<MONK>meanaccumulateddowntime可靠度<MONK>reliability瞬时失效率<MONK>instantaneousfailurerate 平均失效率<MONK>meanfailurerate瞬时失效密度<MONK>instantaneousfailureintensity平均失效密度<MONK>meanfailureintensity平均首次失效前时间<MONK>MTTFF;meantimetofirstfailure平均失效前时间<MONK>MTTF;meantimetofailure平均失效间隔时间<MONK>MTBF;meantimebetweenfailures平均失效间工作时间<MONK>MOTBF;meanoperatingtimebetweenfailure失效率加速系数<MONK>failurerateaccelerationfactor失效密度加速系数<MONK>failureintensityaccelerationfactor维修度<MONK>maintainability瞬时修复率<MONK>instantaneousrepairrate平均修复率<MONK>meanrepairrate平均维修人时<MONK>meanmaintenanceman-hour平均不可用时间<MONK>MDT;meandowntime平均修理时间<MONK>MRT;meanrepairtimeP-分位修理时间<MONK>P-fractilerepairtime平均实际修复性维修时间<MONK>meanactivecorrectivemaintenancetime平均恢复前时间<MONK>MTTR;meantimetorestoration故障识别比<MONK>faultcoverage修复比<MONK>repaircoverage平均管理延迟<MONK>MAD;meanadministrativedelayP-分位管理延迟<MONK>P-fractileadministrativedelay平均后勤延迟<MONK>MLD;meanlogisticdelayP-分位后勤延迟<MONK>P-fractilelogisticdelay验证试验<MONK>compliancetest测定试验<MONK>determinationtest实验室试验<MONK>laboratorytest现场试验<MONK>fieldtest耐久性试验<MONK>endurancetest加速试验<MONK>acceleratedtest步进应力试验<MONK>stepstresstest筛选试验<MONK>screeningtest时间加速系数<MONK>timeaccelerationfactor维修性检验<MONK>maintainabilityverification维修性验证<MONK>maintainabilitydemonstration观测数据<MONK>observeddata试验数据<MONK>testdata现场数据<MONK>fielddata基准数据<MONK>referencedata冗余<MONK>redundancy工作冗余<MONK>activeredundancy备用冗余<MONK>standbyredundancy失效安全<MONK>failsafe故障裕度<MONK>faulttolerance故障掩盖<MONK>faultmasking预计<MONK>prediction可靠性模型<MONK>reliabilitymodel可靠性预计<MONK>reliabilityprediction 可靠性分配<MONK>reliabilityallocation;reliabilityapportionment故障模式与影响分析<MONK>FMEA;faultmodesandeffectsanalysis故障模式影响与危害度分析<MONK>FMECA;faultmodes,effectsandcriticalityanalysis故障树分析<MONK>FTA;faulttreeanalysis应力分析<MONK>stressanalysis可靠性框图<MONK>reliabilityblockdiagram故障树<MONK>faulttree状态转移图<MONK>state-transitiondiagram应力模型<MONK>stressmodel故障分析<MONK>faultanalysis失效分析<MONK>failureanalysis 维修性模型<MONK>maintainabilitymodel维修性预计<MONK>maintainabilityprediction维修树<MONK>maintenancetree维修性分配<MONK>maintainabilityallocation;maintainabilityapportionment老练<MONK>burnin可靠性增长<MONK>reliabilitygrowth可靠性改进<MONK>reliabilityimprovement可靠性和维修性管理<MONK>reliabilityandmaintainabilitymanagement可靠性和维修性保证<MONK>reliabilityandmaintainabilityassurance可靠性和维修性控制<MONK>reliabilityandmaintainabilitycontrol可靠性和维修性大纲<MONK>reliabilityandmaintainabilityprogramme可靠性和维修性计划<MONK>reliabilityandmaintainabilityplan可靠性和维修性审计<MONK>reliabilityandmaintainabilityaudit可靠性和维修性监察<MONK>reliabilityandmaintainabilitysurveillance设计评审<MONK>designreview真实的<MONK>true预计的<MONK>predicted 外推的<MONK>extrapolated估计的<MONK>estimated固有的<MONK>intrinsic;inherent使用的<MONK>operational平均的<MONK>meanP-分位<MONK>P-fractile瞬时的<MONK>instantaneous稳态的<MONK>steadystate。
⼏个主要可靠性术语英⽂版解释是这样的!收藏!Test Reliability and Validity DefinedReliabilityTest reliablility refers to the degree towhich a test is consistent and stable in measuringwhat it is intended tomeasure. Most simply put, a test is reliable if it is consistent within itselfand across time. To understand the basics of test reliability, think of abathroom scale that gave you drastically different readings every time youstepped on it regardless of whether your hadgained or lost weight. If such ascale existed, it would be considered not reliable.ValidityTest validity refers to the degree to whichthe test actually measures what it claims tomeasure. Test validity is also theextent to which inferences, conclusions, and decisions madeon the basis oftest scores are appropriate and meaningful. The 2000 and 2008 studies presentevidence that Ohio's mandated accountability tests are not valid, that theconclusionsand decisions that are made on the basis of OPT performance are notbased upon what the test claims to be measuring.The Relationship of Reliability andValidityTest validity is requisite to testreliability. If a test is not valid, then reliability is moot.In other words, if a test is not valid there is no point in discussingreliability because test validity isrequired before reliability can beconsidered in any meaningful way. Likewise, if as test is notreliable it isalso not valid. Therefore, the two Hoover Studies do not examine reliability.Reliability engineering is engineering thatemphasizes dependability in the lifecyclemanagement ofa product. Dependability, or reliability, describes the ability of asystem or component to function under stated conditions for a specified periodof time. Reliability mayalso describe the ability to function at aspecified moment or interval of time (Availability).Reliability engineeringrepresents a sub-discipline within systems engineering. Reliability istheoretically defined as the probability of success(Reliability=1-Probability of Failure), as the frequency of failures; or interms of availability, as a probability derived from reliability,testability andmaintainability. Testability, Maintainability and maintenance areoften defined as a part of'reliability engineering' in ReliabilityPrograms. Reliability plays a key role in the cost-effectiveness ofsystems.Reliability engineering deals with theestimation, prevention and management of high levels of'lifetime'engineering uncertainty and risks of failure.Although stochastic parameters define andaffect reliability,according to some expert authors on reliability engineering (e.g. P. O'Conner,J. Moubray and A. Barnard), reliability is not (solely)achieved by mathematics and statistics. You cannot really find a root cause(needed to effectively prevent failures) by only looking atstatistics.'Nearly all teaching and literature on the subject emphasize theseaspects, and ignorethe reality that the ranges of uncertainty involved largelyinvalidate quantitative methods for prediction and measurement.'Reliability engineering relates closelyto safety engineering and to system safety, in that they usecommon methods for their analysis and may require input from each other.Reliability engineering focuses on costs of failure caused by system downtime,cost of spares, repair equipment, personnel, and cost of warranty claims.Safety engineering normally emphasizesnot cost, but preserving life andnature, and therefore deals only with particular dangeroussystem-failuremodes. High reliability (safety factor) levels also result from goodengineering andfrom attention to detail, and almost never from only reactivefailure management (reliability accounting / statistics).A former United States Secretary ofDefense, economist James R. Schlesinger, once stated: 'Reliabilityis, after all, engineering in its most practical form.'。
本文介绍常用可靠性维修性术中英文对照,方便大家使用!可靠性 reliability维修性 maintainability可用性 availability可信性 dependability耐久性 durability效能 effectiveness固有能力 capability修理的产品 repaired item不修理的产品 non-repaired item服务 service规定功能 required function时刻 instant of time时间区间 time interval持续时间 time duration累积时间 accumulated time量度 measure工作 operation修改(对产品而言) modification (of an item)维修保障性 maintenance support performance失效 failure致命失效 critical failure非致命失效 non-critical failure误用失效 misuse failure误操作失效 mishandling failure弱质失效 weakness failure设计失效 design failure制造失效 manufacture failure老化失效;耗损失效 ageing failure; wear-out failure突然失效 sudden failure渐变失效;漂移失效 gradual failure; drift failure灾变失效 cataleptic failure关联失效 relevant failure非关联失效 non-relevant failure独立失效 primary failure从属失效 secondary failure失效原因 failure cause失效机理 failure mechanism系统性失效;重复性失效 systematic failure; reproducible failure 完全失效 complete failure退化失效 degradation failure部分失效 partial failure故障 fault致命故障 critical fault非致命故障 non-critical fault重要故障 major fault次要故障 minor fault误用故障 misuse fault误操作故障 mishandling fault弱质故障 weakness fault设计故障 design fault制造故障 manufacturing fault老化故障;耗损故障 ageing fault; wear-out fault程序敏感故障 programme-sensitivefault数据敏感故障 data-sensitive fault完全故障;功能阻碍故障 complete fault;function-preventing fault 部分故障 partial fault持久故障 persistent fault间歇故障 intermittent fault确定性故障 determinate fault非确定性故障 indeterminate fault潜在故障 latent fault系统性故障 systematic fault故障模式 fault mode故障产品 faulty item差错 error失误 mistake工作状态 operating state不工作状态 non-operating state待命状态 standby state闲置状态;空闲状态 idle state; free state不能工作状态 disable state; outage外因不能工作状态 external disabledstate不可用状态;内因不能工作状态 down state; internal disabledstate可用状态 up time忙碌状态 busy state致命状态 critical state维修 maintenance维修准则 maintenancephilosophy维修方针 maintenance policy维修作业线 maintenance echelon;line of maintenance维修约定级 indenture level (formaintenance)维修等级 level of maintenance预防性维修 preventive maintenance修复性维修 corrective maintenance受控维修 controlled maintenance计划性维修 scheduled maintenance非计划性维修 unscheduled maintenance现场维修 on-site maintenance;in sits maintenance; field maintenance 非现场维修 off-site maintenance遥控维修 remote maintenance自动维修 automatic maintenance逾期维修 deferred maintenance基本的维修作业 elementary maintenance activity维修工作 maintenance action;maintenance task修理 repair故障识别 fault recognition故障定位 fault localization故障诊断 fault diagnosis故障修复 fault correction功能核查 function check-out恢复 restoration; recovery监测 supervision;monitoring维修的实体 maintenance entity影响功能的维修 function-affecting maintenance妨碍功能的维修 function-preventing maintenance减弱功能的维修 function-degrading maintenance不影响功能的维修 function-permitting maintenance维修时间 maintenance time维修人时 MMH; maintenance man-hour实际维修时间 active maintenancetime预防性维修时间 preventive maintenance time修复性维修时间 corrective maintenance time实际的预防性维修时间 active preventive maintenance time 实际的修复性维修时间 active corrective maintenancetime 未检出故障时间 undetected fault time管理延迟(对于修复性维修) administrative delay后勤延迟 logistic delay故障修复时间 fault correction time技术延迟 technical delay核查时间 check-out time故障诊断时间 fault diagnosis time故障定位时间 fault localizationtime修理时间 repair time工作时间 operating time不工作时间 non-operating time需求时间 required time无需求时间 non-required time待命时间 standby time闲置时间 idle time; free time不能工作时间 disabled time不可用时间 down time累积不可用时间 accumulated down time外因不能工作时间 external disabledtime; external loss time可用时间 up time首次失效前时间 time to first failure失效前时间 time to failure失效间隔时间 time between failures失效间工作时间 operating timebetween failures恢复前时间 time to restoration;time to recovery使用寿命 useful life早期失效期 early failure period恒定失效密度期 constant failureintensity period恒定失效率期 constant failure rateperiod耗损失效期 wear-out failureperiod瞬时可用度 instantaneous availability瞬时不可用度 instantaneous unavailability平均可用度 mean availability平均不可用度 mean unavailability渐近可用度 asymptotic availability稳态可用度 steady-state availability渐近不可用度 asymptotic unavailability稳态不可用度 steady-state unavailability渐近平均可用度 asymptotic meanavailability渐近平均不可用度 asymptotic meanunavailability平均可用时间 mean up time平均累积不可用时间 mean accumulated downtime可靠度 reliability瞬时失效率 instantaneous failurerate平均失效率 mean failure rate瞬时失效密度 instantaneous failureintensity平均失效密度 mean failureintensity平均首次失效前时间 MTTFF; mean time tofirst failure平均失效前时间 MTTF; mean time tofailure平均失效间隔时间 MTBF; mean timebetween failures平均失效间工作时间 MOTBF; mean operatingtime between failure 失效率加速系数 failure rateacceleration factor失效密度加速系数 failure intensityacceleration factor维修度 maintainability瞬时修复率 instantaneous repairrate平均修复率 mean repair rate平均维修人时 mean maintenanceman-hour平均不可用时间 MDT; mean down time平均修理时间 MRT; mean repair timeP-分位修理时间 P-fractile repair time平均实际修复性维修时间 mean activecorrective maintenance time 平均恢复前时间 MTTR; mean time torestoration故障识别比 fault coverage修复比 repair coverage平均管理延迟 MAD; meanadministrative delayP-分位管理延迟 P-fractile administrative delay平均后勤延迟 MLD; mean logisticdelayP-分位后勤延迟 P-fractile logistic delay验证试验 compliance test测定试验 determination test实验室试验 laboratory test现场试验 field test耐久性试验 endurance test加速试验 accelerated test步进应力试验 step stress test筛选试验 screening test时间加速系数 time accelerationfactor维修性检验 maintainability verification维修性验证 maintainability demonstration观测数据 observed data试验数据 test data现场数据 field data基准数据 reference data冗余 redundancy工作冗余 active redundancy备用冗余 standby redundancy失效安全 fail safe故障裕度 fault tolerance故障掩盖 fault masking预计 prediction可靠性模型 reliability model可靠性预计 reliabilityprediction可靠性分配 reliability allocation;reliability apportionment故障模式与影响分析 FMEA; fault modes andeffects analysis故障模式影响与危害度分析 FMECA; fault modes,effects and criticality analysis 故障树分析 FTA; fault treeanalysis应力分析 stress analysis可靠性框图 reliability blockdiagram故障树 fault tree状态转移图 state-transitiondiagram应力模型 stress model故障分析 fault analysis失效分析 failure analysis维修性模型 maintainability model维修性预计 maintainability prediction维修树 maintenance tree维修性分配 maintainability allocation; maintainability apportionment老练 burn in可靠性增长 reliability growth可靠性改进 reliabilityimprovement可靠性和维修性管理 reliability andmaintainability management可靠性和维修性保证 reliability andmaintainability assurance可靠性和维修性控制 reliability andmaintainability control可靠性和维修性大纲 reliability andmaintainability programme可靠性和维修性计划 reliability andmaintainability plan可靠性和维修性审计 reliability andmaintainability audit可靠性和维修性监察 reliability and maintainabilitysurveillance设计评审 design review真实的 true预计的 predicted外推的 extrapolated估计的 estimated固有的 intrinsic; inherent使用的 operational平均的 meanP-分位 P-fractile瞬时的 instantaneous 稳态的 steady state。
发电设备可靠性评价规程1. 范围本规程规定了发电设备可靠性的统计及评价办法,适用于我国境内的所有发电企业(火电厂、水电厂(站)、蓄能水电厂、核电站、燃气轮电站)发电能力的可靠性评估。
2 基本要求2.1 发电设备(以下如无特指,机组、辅助设备统称设备)可靠性,是指设备在规定条件下、规定时间内,完成规定功能的能力。
2.2 本标准指标评价所要求的各种基础数据报告,必须准确、及时、完整地反映设备的真实情况。
2.3 “发电设备可靠性信息管理系统”程序、事件编码、单位代码,由“电力可靠性管理中心”(以下简称“中心”)组织编制,全国统一使用。
2.4 发电厂(站)或机组,不论其产权所属,均应纳入全国电力可靠性信息管理系统,实施行业管理。
3 状态划分3.1 发电机组(以下简称“机组”)状态划分⎧全出力运行∣ (FS)∣⎧运行-∣⎧计划降低出力运行(IPD)∣ (S) ∣∣⎧第1类非计划降低出力运行(IUD1)∣∣降低出力运行-∣∣第2类非计划降低出力运行(IUD2)∣⎩ (IUND) ⎩非计划降低出力运行-∣第3类非计划降低出力运行(IUD3) ⎧可用-∣ (IUD) ⎩第4类非计划降低出力运行(IUD4)∣(A) ∣∣∣∣∣⎧全出力备用(FR)∣⎩备用-∣∣ (R) ∣⎧计划降低出力备用(RPD)∣⎩降低出力备用-∣⎧第1类非计划降低出力备用(RUD1)∣ (RUND) ⎩非计划降低出力备用-∣第2类非计划降低出力备用(RUD2)∣ (RUD) ∣第3类非计划降低出力备用(RUD3)∣⎩第4类非计划降低出力备用(RUD4)∣⎧在使用-∣∣(ACT) ∣∣∣∣∣⎧大修停运(PO1)∣∣⎧计划停运-∣小修停运(PO2)机∣∣∣ (PO) ⎩节日检修和公用系统计划检修停运(PO3)组∣∣∣--∣⎩不可用-∣状∣ (U) ∣态∣∣⎧第1类非计划停运(UO1)⎫∣∣∣第2类非计划停运(UO2)∣-强迫停运(FO)∣⎩非计划停运-∣第3类非计划停运(UO3)⎭∣ (UO) ∣第4类非计划停运(UO4)∣⎩第5类非计划停运(UO5)∣∣∣∣∣⎩停用(IACT)3.2辅助设备的状态划分⎧运行(S)⎧可用(A)-∣∣⎩备用(R)辅助设备状态-∣⎧大修(PO1)∣⎧计划停运(PO)-∣小修(PO2)⎩不可用(U)-∣⎩定期维修(PO3)⎩非计划停运(UO)4 状态定义4.1在使用(ACT)―设备处于要进行统计评价的状态。
Device可靠性指标
1、可靠度R(t),即产品在规则条件下、规则时刻内完结规则功用的概率,亦称平均无故障时MTBF(meantimebetweenfailure);
2、平均维修时刻MTTR是指产品从发现故障到康复规则功用所需求的时刻;
3、失效率入(t),是指产品在规则的使用条件下使用到时刻t 后,产品失效的概率。
产品的可靠性改变一般都有必定的规律,其特征曲线形状像浴盆,通常称之为“浴盆曲线”。
在实验和规划初期,因为产品规划制造中的错误、软件不完善以及元器件筛选不够等原因此形成早期失效率高;通过批改规划、改进工艺、老化元器件、以及整机试验等,使产品进入安稳的偶然失效期;使用一般时刻后,因为器件耗费、整机老化以及保护等原因,产品进入了耗费失效期。
这就是可靠性特征曲线呈“浴盆曲线”型的原因。
衡量一个电子产品、尤其是工业类产品很常用的是MTBF,也就是平均无故障时刻。
检验科常见检测指标详解为了确保科学实验的准确性和可靠性,检验科中常用于评估样本特性的指标以及分析结果的相关参数十分重要。
本文旨在详细解析检验科常见的检测指标,以帮助读者更好地理解和应用这些参数。
1. 可靠性指标在科学实验中,可靠性是评估实验结果稳定性和重复性的指标之一。
以下是常用的可靠性指标:1.1 重复性(Reproducibility):重复性是指在相同条件下,同一实验在不同时间或不同操作者进行重复所得到的结果的一致性。
通过多次重复实验来评估重复性。
1.2 精确度(Precision):精确度是指多次实验所得结果之间的一致性。
常用的评估指标包括标准差和变异系数。
1.3 准确度(Accuracy):准确度是评估实验结果与真实值之间的接近程度。
常用的评估指标包括偏差和误差。
2. 效能指标效能指标用于评估检验科实验方法的性能和可行性,以及测定结果的敏感性和特异性。
以下是常用的效能指标:2.1 灵敏度(Sensitivity):灵敏度是指在真实阳性样本中正确识别阳性结果的能力。
灵敏度越高,说明检测方法对真实阳性样本的检出能力越强。
2.2 特异性(Specificity):特异性是指在真实阴性样本中正确识别阴性结果的能力。
特异性越高,说明检测方法对真实阴性样本的排除能力越强。
2.3 阳性预测值(Positive predictive value):阳性预测值是指在得到阳性结果时,该结果是真实阳性的可能性。
阳性预测值越高,说明阳性结果的可信度越高。
2.4 阴性预测值(Negative predictive value):阴性预测值是指在得到阴性结果时,该结果是真实阴性的可能性。
阴性预测值越高,说明阴性结果的可信度越高。
3. 可行性指标可行性指标用于评估实验方法的可操作性和可行性。
以下是常用的可行性指标:3.1 稳定性(Stability):稳定性是指实验方法在不同条件下测定结果的一致性。
通过在不同温度、湿度等条件下进行实验来评估稳定性。
评价指标的英语
评价指标是衡量某种情况或对象的标准或指标。
在实践中,评价指标可以应用于各种领域,如教育、健康、经济、环境等。
以下是一些常见的评价指标及其英文表达:
1. 成功率:success rate
2. 效率:efficiency
3. 精准率:precision
4. 召回率:recall
5. 准确度:accuracy
6. 可靠性:reliability
7. 合理性:validity
8. 可操作性:feasibility
9. 可持续性:sustainability
10. 透明度:transparency
11. 公正性:fairness
12. 安全性:safety
13. 满意度:satisfaction
14. 利润率:profitability
15. 市场份额:market share
16. 品牌影响力:brand influence
17. 客户忠诚度:customer loyalty
18. 市场竞争力:competitive advantage
19. 资源利用率:resource utilization
20. 投资回报率:return on investment
以上是一些常见的评价指标及其英文表达,可以帮助人们更好地理解和应用这些指标。