查询词典 fault detect

The fault component integrated impedance becomes a ratio of the sum of the fault component voltage phasor to the sum of the fault component current phasor of two terminals. It is used to identify if a fault exists on the line.

利用故障时线路两端故障分量电压相量和与故障分量电流相量和的比值，来判断线路上是否发生了故障。

The thesis mainly concerns the following aspects: the relay protection and its trip-close circuit of two circuits transmission-lines are stand alone. The device has the ability of phase-trip that is owns transmission line single phase , 2 or 3phases fault only fault phase tripped.so as to making the power system contact as close as possible. The function of reclosing distribute into relay protection of line and breaker, so it is easy to get no-serious fault information of line protection and realize self-adapted multi pole reclosing. The breaker reclosing depend on the state of owns breaker andthe adjacent breaker. The criterion of serious fault and the sequence reclosing is simple and useful.

本项目具有如下特点：两回线的保护装置及跳、合闸回路完全独立；装置具有分相跳闸功能，即本线单相、两相、三相故障时均只跳故障相，使得故障时系统联系尽可能紧密；重合闸功能合理分配在线路保护和断路器保护中，充分利用了线路保护的信息实现无严重故障判别和分相顺序重合策略的自适应重合功能，由断路器保护根据断路器本身的工作状态和相邻断路器的配合关系实现重合出口；判断严重故障的判据及分相顺序重合闸原理简单合理，具有实用意义，降低了重合于永久故障对系统的冲击。

The discovery of a series of sub-thrust fault which is on the top of main thrust fault solve the problem of structure relationship of many wells of pre-Cambrian. And then our interpretation work is aimed to distribution, formation time and formation mechanism of buried hill fault. In according to the characteristics of main fault, enrichment characteristics of oil and gas and so on, we re-divide the blocks of buried hill. New blocks are better for the distribution of oil and gas.

主逆断层上盘的系列次级逆断层的发现，较好地解决了前寒武系多口井的构造关系；在此基础上解释工作针对潜山断裂的分布特征、形成期次、形成机制进行研究，根据主要断层特征、油气富集特点等对潜山进行重新分区，新分区更有利于研究潜山油气的分布特征。

Based on the research of development characteristics of overthrust fault, its sealing mechanism is ana- lyzed. The evaluation standard and method for sealing ability of fault is established through the following two simulation experiment: one experiment is ,the quantitative relationship between property of filler in fault zone and sealing ability of fault , another experiment is the deformation characteristics of gymsum. By evaluating sealing ability of overthrust faults on several typical structure in Kuche ression,its considered that most cur- rent faults are sealed.

本文通过逆掩断层发育特征研究，分析了逆掩断层封闭机理，在断裂带填充物性质与断层封闭性定量关系模拟实验和膏泥岩变形特征模拟实验基础上建立了断层封闭性评价标准及评价方法，以此对库车坳陷几个典型构造上逆掩断层垂向封闭性进行了评价，结果表明现今断层多是封闭的。

Firstly, This text has described information fusion technology characteristic, form structure and concrete processing method, and application of information fusion in fault diagnosis proves the feasibility and validity from the angle of information theory. Based on this,it is combined the fault diagnosis of aeroengine with Information fusion, a method and model which the fault diagnosis of aeroengine information fusion is brought forward. a research which combined neural networks with D-S evidence is brought forward. Based on the analysis of single neural network characteristic, the model of roted neural network is put forward. With the simulation based on the example, we can know evidence theory fusion improved the fault diagnosis It is hard to give the basic probability function in the process of using the evidence theory, So the model based on network and D-S evidence is put forword.

本文首先论述了信息融合技术的特点、形式结构和具体的处理方法，并从信息论的角度论证了信息融合技术在故障诊断中的可行性和有效性；在此基础上，将航空发动机故障诊断与信息融合相结合，提出了一种基于信息融合技术的发动机故障诊断模型和方法，并在此基础上，提出和分析了基于人工神经网络和D-S证据理论的信息融合故障诊断，研究了神经网络的建模方法、组建原则和实现策略，并结合诊断实例进行了分析；提出了基于D-S证据理论的决策融合，阐述了D-S证据理论的方法，模型，并结合算例进行了分析。

To avoid re-execution of the whole simulation system on condition that some nodes oragents are invalidated, a distributed simulation scheme with fault-tolerant mechanism isproposed, including fault classification, fault detection, the fault-tolerant extension of distributedsimulation algorithm, and dual global service agents. With the prevalent of the Internet and Web, it is necessary to provide ways to interact withthe simulation applications remotely, such as controlling the process of simulation and showingthe results of simulation via navigators.

为了避免个别结点或者Agent的失效，而导致整个仿真过程需要重新进行，在本文中，提出了具有容错能力的复杂系统仿真解决方案，包括对分布仿真中的故障进行分类、故障检测方法、对层次的、混合分布并行离散事件仿真算法进行了容错扩展以及采用双全局服务Agent等。

This dissertation, orienting to practical engineering applications, takes the lead in carrying out domestic investigations on expert system of fault detection and diagnosis for aerospace propulsion system and has successfully established a well-performed expert system for fault detection and diagnosis based on advanced theories and technologies. What is more, some research has been conducted on the new algorithmic method for fault detection and diagnosis; bondgragh method has been successfully used for fault detection and diagnosis in aerospace propulsion in the dissertation.

本文在国内首先应用先进的理论和技术，面向工程应用的实际，开展了空间推进系统故障检测与诊断专家系统的研究工作，并建立性能良好的故障检测与诊断专家系统；还进行了故障检测与诊断新算法研究，成功的运用键合图理论完成了空间推进系统的故障检测与诊断研究。

This article analyzes systematically the work process of fuel injection system in detail. It analyzes the fault fundamentals and its influence of three coupling parts in the high pressure oil road and the injection process, three coupling parts include plunger coupling parts, delivery valve coupling parts and needle valve coupling parts. It discusses the pulse situation of fuel pressure under the every kind of typical fault model, and regarding this as according to pick up the pulse signal of pressure from the high pressure pipeline, and process wavelet decomposition, picks up the of parameter fault, make use of the model identification technique, realizes to the intelligent diagnosis of fuel injection system fault.

文中系统地分析了燃油系统的工作过程，对高压油路中三偶件(柱塞偶件、出油阀偶件、针阀偶件)、喷油过程等的故障机理及其影响进行了分析，讨论了各种典型故障状态下的燃油压力波动情况，并以此为根据，从高压油管处提取压力波动信号，提取故障参数，利用模式识别技术，实现了对燃油系统故障的智能化诊断。

In the section,the North Block-faulted Belt developed three sets of fault system s including lower thrust fault system ,upper detachment fault system and top normal fault system .

在剖面上，该区发育3套断层系统，即下部冲断层系统、上部滑脱断层系统和顶部正断层系统。

Through the above, we can see that after a lot of line from the telephone switchboard link have caused problems as a phone fault, but the fault is a certain law. users can use the law to judge the fault position. This report will give us the failure to provide the necessary basis, your guide for troubleshooting or simple exclusion of your own fault.

通过上面的介绍，大家可以看出，从电话交换机出线后要经过很多环节，任中一个出现问题都要造成电话故障，但故障是有一定规律的，广大用户在使用时可根据规律判断故障部位，这样在故障报告时能给我们提供必要的依据，从而为您尽快排除故障或指导您自己排除简单故障。

So it was last week in Selma , alabama.

上星期在亚拉巴马州塞尔马市发生的事件也是这样一个转折点。

The group also spearheads various social programs in China.

该组织还带头参与中国的各种社会活动。