故障树分析法 meaning in English
fault tree analysis
fta
Examples
- In this thesis , combining the fta with the fuzzy theory , the uncertainty problem that cannot be solved with the traditional fta in the mechanical fault diagnosis , the multi - fault phenomenon that faults take place in complex system and the intersectional relation between fault omens and fault reasons is solved
本文从机械故障诊断的应用角度出发,将故障树分析法与模糊数学相结合,解决传统的故障树分析法无法解决的机械故障诊断中的不确定性问题以及复杂系统发生故障时的多故障现象,故障原因与故障现象之间存在的交叉关系。 - Simulation and showing image of running system , so the following work must be researched : 1 . firstly reliability of five - step ship gate control system scheme is analyzed applying fault tree analysis ( fta ) , obtaining fault trees , and on the base of the trees , mean time between fault ( mtbf ) of different control schemes is calculated , at last several important points helping to reliability of system are obtained
首次提出了应用故障树分析法( fta )对五级船闸控制系统设计方案进行可靠性分析和评估,得到故障树分析图。以此图为基础,计算出了系统在不同控制方案时的平均无故障时间( mtbf ) ,并对主要元器件进行重要度计算,比较出它们对系统故障的影响程度。 - 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 - According to the diagnostic characteristic of the interior fault in transformer , we study the fault diagnostic of transformer by fat , es , ft . the main achievement lies in below : 1 , constructing the transformer model of diagnostic fault apply in fat with help of the data of actual transformer fault during several years and applying in transformer fault diagnostic expert system . 2 , dissolved gas - in - oil analysis is done fuzzy process
针对变压器内部故障诊断特点,运用故障树分析技术、专家系统方法和模糊数学理论对变压器故障诊断技术进行了研究,主要的成果在于以下几个方面: 1 ,通过对近年来大型电力变压器故障实例做出分析,用故障树分析法( fat ) ,建立变压器故障树诊断模型,并把它运用到变压器故障诊断的专家系统中。 - The paper briefly introduces the basic theory of fault tree analysis and rule - based expert system , and offers to combine fault tree analysis with rule - based expert system . by connecting fault tree to diagnosis knowledge base through cut set , we can express expert knowledge totally , systematically , and logically by building fault tree . it makes automatic knowledge acquisition come true to obtain diagnosis rule base automatically according to the fault tree
本文简要阐述了故障树分析法和基于规则的诊断专家系统的基本原理,提出将故障树分析法与基于规则的诊断专家系统相结合的方法,通过割集将故障树与诊断专家系统知识库联系起来,用建立故障树的形式全面、系统、层次性地将专家知识表述出来,由故障树自动生成基于规则的专家系统诊断规则库,实现了诊断知识的自动获取,并且确保了诊断知识的一致性和完备性。