fault tree

The basic principle, qualitative analysis and quantitative analysis of fault tree analysis method are introduced.

介绍了故障树分析法的基本原理 以及 定性分析和定量分析方法.

Further more , we use the Fault Tree Analysis method fault dependence and calculate failure probability.

结合故障树分析方法定性分析系统故障传播和故障依赖关系,定量估算被关注事件的故障概率.

Acquiring knowledge through fault tree analysis, the establishment of knowledge base is the main point of the thesis.

通过故障树分析获取知识，以建立知识库作为本文的研究重点。

As far as AFTSS concerned, it is composed of User Login, Fault Tree Model, Control System, Fault Tree Synthesis, and Technique Forum.

该系统包括用户登录模块、故障树模型模块、控制系统模块、生成故障树模块及技术论坛模块。

The improved FMECA method analysis the safety valve by combining the method of the fault tree and the stochastic petri nets, that provides a whole new way of thinking for the quantitative assessment to the safety valve, and it has a prominent practical significance.

另外，本文通过应用故障树与随机Petri网结合的方法，对安全阀的失效进行了分析，为安全阀的定量评定提供一个全新的思路，具有较为突出的实际指导作用。

Fault tree is a kind of graph in which the events have reverse logic relationship.

故障树是一种倒置的逻辑关系图,发展历史长,技术成熟,具有标准的知识结构.

For a fuze fault-tree data base, the principles for defining probability of basic events are significant.

底事件数据确定原则的制定对于引信故障树底事件数据库的建立有重要的意义.

Nowadays, computer-aided fault tree synthesis has been given abroad attention.

目前, 计算机自动生成故障树技术的开发已经得到了广泛关注.

Fault tree analysis ( FTA ) is one fault diagnosis method that suitable to complex system.

故障树分析法 ( FTA ) 是一种适合于复杂系统的故障诊断方法.

The fault diagnosis strategy was formulated at last.2.According to the characteristics of complicated structure as well as fuzzy failure probabilities, mechanism and degree of the hydraulic system of concrete pump truck, a fault diagnosis method of hydraulic system based on T-S fuzzy fault tree analysis is proposed.

针对混凝土泵车泵送液压系统结构复杂，故障发生概率、故障机理和故障程度具有模糊性的特点，提出了基于T-S模糊故障树的诊断方法。

Fault Tree Expert System ( abbreviated to FTES) developed by Institute of Nuclear and New Energy Technology of Tsinghua University is a computer-aided fault tree building software.

计算机辅助建树专家系统（Fault Tree Expert System简称FTES）是清华大学核研院开发的计算机辅助建立故障树软件。

Fault Tree Model ( FTA ) of Lurgi ammonia system is established aimed at system low operation rate.

针对鲁奇 合成氨 装置运转率低的现状,建立了鲁奇合成氨系统故障树模型.

In this paper, based on Fault Tree Analysis method, Monte-Carlo method for computing the Mean Time To Failurc ( or Mean Time Between Failures) of a system is studied.

基于一般系统的失效树分析方法，本文研究了应用Monte－Carlo方法例－算系统平均无故障工作时间的方法；

The failure of oil and gas pipeline was analyzed by fault tree analysis in this paper.

用于表示系统内可能产生故障的部位及其相互关系和影响的树状图.见失效分析.

This article uses Fault Tree Analysis method to research risk identification in customs enforcement, it establishes a Fault Tree Analysis model based on Binary Decision Diagrams.

用故障树方法研究了海关执法中的风险识别问题，建立了基于二元决策图的故障树分析模型。

Considering the result of improved FMECA and the conversion relationship between the fault tree and stochastic petri nets, the paper takes a reliability analysis to the spring full-open safety valve and gets some reliability date in the last.

根据改进FMECA分析结果以及故障树与随机Petri网之间的转换关系，将弹簧全启式安全阀的故障树转换成相应的随机Petri网，通过结合相关的失效数据进行定量的可靠性分析。

Fault Tree Analysis of Slurry Filling System with Gravity by Pipelines

管道自流输送尾砂充填系统的故障树分析

In this paper, a new fuzzy fault tree analysis method based on convolution arithmetic is introduced.

研究基于卷积的扩展修正的模糊故障树分析方法.

The maximum cut sets of this fault tree are got through the Boolean algebra simplifying method.

使用布尔代数化简法确定了该失效树的最小割集.

Then based on the reliability block diagrams and decision table, we construct the fault tree system.

然后在可靠性框图分析的基础上,依据判定表, 自动生成故障树.

Hazard Identification of Nitridation Oil Tube Technology and Fault Tree Analysis on Ammonia Tank

氮化油管工艺危害识别及液氨槽事故树分析

Through its analysis of this fault tree we explore the idea of the expert system structure, the establishment of a knowledge base, the reasoning machine of research for improving the reliability and located the machine environment and safety significance.

本文通过其故障树分析，探讨了掘进机专家系统的结构、建立了知识库、研究了推理机的实现，对于提高机器可靠性和工作面的环境与安全有重要意义。

Fault tree analysis and cause-effect diagram as reference, the root cause analysis method on the customer complaint is designed.

参考借鉴了故障树分析和因果图，对顾客投诉根本原因分析方法提出了整体设计。

Time-Dependent Fault Tree Analysis and Service Time Prediction of Existing Prestressed Concrete Bridges

现役预应力混凝土梁桥时变失效树及使用寿命预测研究

The fault tree analysis ( FTA ) is one of the basic methods in reliability engineering.

事故树 分析法 是可靠性工程的基本方法之一.

Taken the casing failure as top event, the fault tree was established in the paper.

以套管失效为顶事件建立了石油套管的故障树.

The Six Sigma Black Belt will demonstrate the ability to read a fault tree.

6西格玛黑带应能示范其理解故障树分析的能力.

Fault tree analysis is an effective way to analyze security and reliability a large complex system.

故障树分析法是分析大型复杂系统安全性与可靠性的一种较好的方法.

Aimed at the problem of stab thermal battery with no voltage output, the fault tree analysis was founded, and the reason was analyzed and verified.

针对针刺热电池无电压输出的问题，建立了故障树，进行原因分析和验证试验。

For example , event tree analysis, security checklist analysis , event tree analysis, fault tree analysis etc.

如预先危害分析 、 安全检查表 、 事故树分析 、 故障树分析等等.