2) Multi-signal flow graphs
多信号流图
1.
Fault isolation algorithm based on multi-signal flow graphs;
一种基于多信号流图的故障隔离方法
2.
Diagnostic Bayesian networks modeling based on multi-signal flow graphs
基于多信号流图的诊断贝叶斯网络建模
3.
In order to improve the system testability,an approach to analyze and evaluate system testability based on multi-signal flow graphs is proposed.
针对卫星电源分系统结构复杂、解析建模困难的特点,提出了一种基于多信号流图的系统测试性设计分析和评估方法;通过分析某卫星电源分系统的功能结构和工作模式,建立了系统的多信号模型,并在测试性工程与维修系统(TEAMS)环境下对系统的可测试性水平以及故障诊断能力进行了分析与评估。
3) multi-signal flow graph
多信号流图
1.
Real-time fault diagnosis for flight control system based on multi-signal flow graph;
基于多信号流图的飞控系统实时故障诊断
2.
After the analysis of the principle and structure of the IMU,its multi-signal model is built based on multi-signal flow graph.
基于多信号流图,文章详细分析了某惯测组合的工作原理和结构,建立了多信号模型。
4) fuzzy probability multi-signal flow graph
模糊概率多信号流图
1.
In order to solve the problem of complexity and uncertainty of propagation,fuzzy probability multi-signal flow graph was constructed by combining fuzzy theory,probability theory with multi-signal flow graph.
本文针对故障传播的复杂性和不确定性,将模糊和概率理论引入多信号流图模型,提出模糊概率多信号流图,对故障传播过程进行描述并进行相关推理,得出故障传播的后继故障模式集和等效故障模式,经案例应用验证表明,该模型与方法能较好地对故障传播过程进行准确的描述,较好地解决测试性虚拟验证中故障模拟及等效故障注入的问题。
5) multi-signal model
多信号模型
1.
Model and analysis of system testability based on multi-signal model;
基于多信号模型的系统测试性建模与分析
2.
Research on Improving Failure Mode Modeling Method of Multi-signal Model
对多信号模型中故障模式建模方法的改进研究
3.
Aiming at the functional hierarchy of the complex electronic equipments,a new model was presented based on the multi-signal model and dependency matrix,which could design the model of fault diagnosis efficiently.
针对复杂电子系统功能层次较明显的特点,结合多信号模型和相关矩阵的策略,提出了一种用于复杂电子装备的相关建模方法,该方法可高效灵活地构建复杂电子装备的故障诊断模型,能有效实现故障诊断率和故障隔离率,并在某微机系统测试中得到验证。
6) multisignal model
多信号模型
1.
Optimal test technology for distribution systems of spacecrafts based on multisignal model;
多信号模型航天器配电系统最优测试技术
2.
To improve the speed and precision of the diagnostic results based on satellite telemetry data,an integrated monitoring and diagnosis system using Multi-Agent including the diagnosis agent based on multisignal model,fuzzy diagnosis agent and expert system diagnosis agent is proposed.
为了提高根据遥测数据进行卫星故障诊断的速度与精度,提出了集成多信号模型诊断Agent、模糊诊断Agent以及专家系统诊断Agent等多Agent监测与诊断系统。
3.
The definition and representation of multisignal model are introduced,then the optimum seeking method of fault detection test and fault isolation test,and the design method of diagnosis strategy on the single fault assumption are given.
对基于多型号模型的故障诊断策略设计进行了深入研究,介绍了多信号模型的定义和表示,提出了在单故障假设及不考虑组成单元可靠性、测试时间和测试费用影响下的故障检测用测试和故障隔离用测试优选算法以及故障诊断策略制定方法,并结合示例说明了诊断策略的设计过程;文中所提出的诊断策略设计方法能够以尽可能少的测试完成故障检测和隔离,按此方法设计的诊断策略具有自适应特性,适用于各类系统和设备的测试性分析与设计和故障诊断。
补充资料：信号流图
| 信号流图 signal flow graph 借助拓扑图形求线性代数方程组解的一种方法。1953年由S.J.梅森提出，又称梅森图。图1为与下列方程组对应的信号流图，  图中，没有支路指向的节点（x0）为源点，源点的变量常代表方程所描述系统的输入，是独立变量；没有任何支路离开的节点为收点，收点的变量一般当作输出变量。依据某些方法简化信号流图 ，使之变成只有源点和收点，例如将图1化成图2，求出g、h值，便得出了方程的解答以及有关的量，如总的传输比、增益等。
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参考词条