Fault Trees Analysis of Fire and Explosion in Fractionator 分馏塔火灾爆炸故障树分析程序
The fault trees analysis is useable in safety analysis and environmental risk assessment of petrochemical enterprises. 本工作对石化企业的环境风险评价和安全分析具有重要意义。
The event trees and fault trees are mapped into Bayesian networks and the general safety analysis results and other useful information can be obtained for reasoning and diagnosis. 该方法采用了一体化的建模思想,将故障树和事件树转化为贝叶斯网络进行分析,不仅可以得到常用的安全性分析结果,还可以得到其他有用的信息,非常便于推理和诊断。
The System of Electronic Equipment Fault Testing And Diagnosis Based on Fault Trees Analysis 基于故障树分析的机载电子设备故障检测与定位系统
In this thesis the fault tree analyze the pressure safe system as object, after the building of fault trees, the qualitative analysis and quantity analysis are proceeded. 本文以某核动力装置的压力安全系统为对象,采用故障树分析法,建立起故障树,求出其最小割集,并对树进行定性与定量分析。
Research on Computer-Aided Software Fault Trees Modeling and Analysis 计算机辅助软件故障树建模与分析研究
The Studies of Electronic Component Fault Diagnosis based on the Fault Trees Analysis and Virtual Instruments 基于故障树分析及虚拟仪器的电子部件故障诊断研究
: During using the combination of the event trees and the fault trees to make Probability Safety Analysis ( PSA) of the Nuclear Power Station, operational reliability analysis of the preserved system and the repairable system is difficult. 在利用事件树和故障树相结合的方法对核电站进行概率安全评价(PSA)分析中,其备用系统和可修复系统的运行可靠性分析是一个难点。
The block diagrams and fault trees in binary case are extended to continuum system case> and the continuum block diagrams and continuum trees analysis methods are studied by means of typical structures. 利用定义的典型结构,将两状态系统方块图和故障树分析方法推广至连续状态情形,研究连续状态方块图和连续状态树分析方法。
The fault trees analysis technology is used in the photovoltaic radar electronic equipment fault diagnosis, and the fixed position method of fault component is discussed. 将故障树分析技术引入光电雷达电子设备故障诊断之中,讨论了故障元件的搜寻定位方法;
At the same time, by adjust the probability table; it exceeded the traditional fault trees analysis by getting over the localization of the fault tree analysis, such as independence, binary state of the components. 同时,通过调整BN的条件概率表,对传统的故障树方法作了改进,克服了故障树方法的部件为二态、相互独立等局限。
Faults are analyzed by means of an improved fault tree analysis, and several fault trees are built for every kind of faults, then make down-way quantity analysis with the minimal cut set theory. 采用一种改进的故障树分析方法对所得到的故障进行分析,根据每类故障分别建造了多棵故障树,并以最小割集理论按下行法对各树进行了定量分析。
Through the fault trees, the accident tree analysis, combined with the practical experience of urban fire fire risk theory research and the former research, build more actual easy-to-use mature regional fire risk assessment index system for urban areas to help check fire. 3. 结合消防实践经验,对城市火灾风险理论进行研究,并结合以往的研究,建立更符合实际的易于操作的城市区域火灾风险评估指标体系,对城市区域消防检查提供帮助。
Thus, this paper introduced BN to the analyses of the reliability, and compared it with the fault trees and structural graphs of reliability analysis. 由此,本文把BN引入到可靠性分析中,把贝叶斯网络和可靠性分析中的可靠性框图和故障树方法作了比较。