1) fault directional graph
故障有向图
1.
A k-steps fault pervasion and localization algorithm is put forward,which fractionalizes the fault directional graph and finds the optimal pervasion route or the most suspicion nodes with the fault propagation probability matrix.
对系统故障有向图进行了分片处理,结合故障传播概率矩阵对故障嫌疑节点进行故障扩散模拟寻找最佳扩散路径和最大嫌疑节点。
2.
A k-steps fault pervasion algorithm is put forward, which can find the optimal pervasion route of the system fault directional graph.
文中分析了故障传播的机理及其有限步扩散性,提出了一种K步故障扩散算法,针对系统故障有向图寻找最佳扩散路径,使用C++编程实现算法并对具体工程进行了仿真实验,可同时模拟和诊断单点和多点故障。
2) fault propagation digraph
故障传播有向图
1.
There are two topics about the method being given: fault propagation digraph and signed directed graph( SDG) .
该文给出了基于图论的故障诊断原理,综述了基于图论的故障诊断研究现状,包括两种主要方法:基于故障传播有向图和基于符号有向图的诊断方法。
3) image display fault
图像故障
4) fault graph
故障图
1.
In order to solve the problems that the fault tree model is too much simple and decomposing the fault graph is difficult in fault diagnosis of the complex systems,this paper presents the fault graph model which includes fan-in nodes,level nodes,directions,and no circles.
在复杂系统故障诊断中,为了解决故障树模型过于简单和现有故障图模型过于复杂而且分解简化比较困难的问题,在故障树模型的基础上进行拓展,提出了具有扇入节点和层次节点的有向无圈的故障图模型,阐述了基于该模型的故障诊断和故障影响预测原理,并且给出了基于该模型的一系列相关预处理方法及算法。
5) trouble chart
故障图表
6) fault direction
故障方向
1.
Based on the character that some bus nodes can judge the fault direction by current measurement in DG system, this paper presents an adaptive searching algorithm for dividing relevant fault area.
结合多DG接入下的配电网部分母线节点可以通过电流量来判断故障方向的特点,提出了一种具有较强自适应性的故障相关区域划分方法,而这种分布式的、缩小上传保护电流数据范围的算法减少了保护数据在信道上排队避让的时间,保护装置只需得到故障相关区域内的故障电流数据即可正确动作,实现了保护的选择性及速动性,降低了对通信系统的依赖性。
2.
Wide area relaying protection system collects fault direction information from protection intelligent electronic devices (IEDs) in specific protection zone, and estimates fault site based on protection Action Factor (AF) and Relationship Factor (RF) that are defined in this paper.
该算法通过广域继电保护系统收集特定保护范围内各智能电子设备(IED)的故障方向信息,结合文中定义的IED动作系数AF和关联系数RF进行简单运算,即可确定出故障的位置。
3.
When a fault occurs in power network,Primary Devices/Fault Direction associated matrices are formed based on the fault direction indicated by direction elements and Pri.
系统发生故障后,根据方向元件指示的故障方向信息和一次设备/方向元件关联矩阵形成一次设备/故障方向关联矩阵,并据此确定具体的故障元件。
补充资料：图的减缩图(或称图子式)
图的减缩图(或称图子式)
minor of a graph
图的减缩图(或称图子式)【.皿以ofa脚户;MHHoPrpa中a」【补注】设G是一个图(graph)(可以有环及多重边).G的一个减缩图(nullor)是从G中接连进行下述运算而得的任何一个图: i)删去一条边; 五)收缩一条边; 说)去掉一个孤立顶点. NRobe由on与P.D.Se脚aour的图减缩定理(脚Ph nl的。r theon习11)如下所述:已知有限图的无穷序列G，，GZ，…，则存在指标i
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条