failure tree meaning in English
故障树
失效树
Examples
- Based on creating a failure tree model of equipments , the failure mode and effect of equipments are obtained through qualitative analysis
通过建立装备故障树模型,在复杂装备故障树模块化和定性分析的基础上,确定了装备的故障模式及影响。 - Four major failure modes for high arch dams , namely destabilization dam lost stability failure , shearing - slipping failure , excess cracking and man - caused destruction , are presented by means of failure tree analysis
摘要利用故障树分析法得出了高拱坝具有失稳溃坝、剪滑垮坝、超量开裂及毁坝等4种主要失效模式。 - A lot of papers about the report of probabilistic risk assessment of daya bay npp and system manuals has been read by the author and let as the basis . in this paper , based on the reliability analysis methods of failure mode and effect analysis and failure tree analysis , according to the result of event tree analysis of probabilistic risk assessment report of daya bay npp , the top events of the fault trees of reactor protection system and the success criteria were established . by using risk - spectrum procedure , the unavailability and the minimal cut - sets ( mcs ) of the fault trees were obtained
本文在阅读了大量的大亚湾核电站pra报告和各种系统手册等资料的基础上,采用fmea (故障模式和影响分析)和fta (故障树分析)可靠性分析方法,依据大亚湾核电站pra事件树分析的结果,建立了以紧急停堆失效和专设安全设施驱动失效为顶事件的故障树,利用risk - spectrum程序,对所建的故障树进行定量分析,计算,得到系统故障树的失效概率和最小割集,从而为大亚湾核电站可视化风险分析软件提供数据支持。 - Based on the malfunction datum of 328 power transformers ( 110kv or above ) , the paper makes the following studies by both the analysis of the datum and lots of tentative tests and presents the corresponding research results : the research on the malfunction mode classification of power transformers by the failure tree analysis method ( fta ) ; the research on the status prediction criterion of running power transformer ; the research on detective methods and criterions of the disability of the power transformer ; the research on evaluation the life of the power transformer ; the research on the relationship between the status estimate system and status examination & repair of the power transformer
本论文以电力系统328台110kv及以上电压等级的电力变压器事故和故障统计资料为基础,通过对110kv及以上电压等级电力变压器故障数据的整理分析和大量探索性试验,对以下方面开展研究并给出研究结果: 1采用fta (故障树分析法)对电力变压器的故障模式进行科学分类2电力变压器运行中的状态预测判据研究3 - But indeed a good many of problem exist in the present situationof the management . according to this , this paper use the object of the borer . according to the reliability theory established the failure tree of borer system , calculated the reliability parameter of the system and every components . processed the instantaneous reliability analysis of the borer . received the eliability function of the components . based on this , established the maintain and management modeland ecnomye stimate model . and worked out the internet applications , improved the management efficiency of the employed facility , economized the devotion . the maintain and management of the borer achieved to the scientific and comunication , improved the management efficiency , possess great value of application
针对这种情况,本文以石油钻机为研究对象,利用可靠度理论,确立了石油钻机的故障树,计算了系统及各基本部件的可靠性参数,对钻机系统进行了瞬时可靠度分析,同时,确定了石油钻机系统的可靠度指标,得到了石油钻机各基本部件的可靠度函数,根据可靠度函数建立了以可靠度为准则的维修管理及经济评价模型,并编制了相应的应用软件,提高了现场设备管理的效率,节约了经济投入,使石油钻机系统的维修管理达到了科学化、信息化的水平,提高了管理效率,具有较高的应用价值。