查询词典 fault analysis

Based on adequate survey to faults of sodium pump for The China Experiment Fast Reactor, in order that the advanced diagnosis methods are used in the sodium pump which is under fabrication, different methods of fault diagnosis system of sodium pump are designed and programmed; and the principal component analysisis used to fault diagnosis system of main coolant pump in a nuclear power station. The feasibility of fault diagnosis systems developed have been proved by simulation results.

本课题对中国实验快堆钠泵的故障进行了研究，把先进的诊断方法应用到正在制造中的钠泵上，设计和开发了不同方法的钠泵的故障诊断系统；同时也应用主元分析方法，建立了某核电厂的主冷却剂泵的故障诊断系统，仿真实验证明了以上三个系统的可行性。

Refers to the independence of failure to complete a single chip damage; the relevance of failure means a failure associated with some other fault, the fault is not normal for many functions, and its failure to control the various functions of the substance of the common part of malfunction caused by (for example, soft, hard disk subsystem is not working properly, and the soft, hard disk controller to control the functions of the more isolated, fault is often on the motherboard that control peripheral DMA data transfer control circuit).

独立性故障指完成单一功能的芯片损坏；相关性故障指一个故障与另外一些故障相关联，其故障现象为多方面功能不正常，而其故障实质为控制诸功能的共同部分出现故障引起（例如软、硬盘子系统工作均不正常，而软、硬盘控制卡上其功能控制较为分离，故障往往在主板上的外设数据传输控制即DMA控制电路）。

Underground hydrothermal communicate with deep heat source near Huangzhuang-Gaoliying discordogenic fault. After abundantly absorbing the deep heat, some of it continue to travel to the base rock in the deep of the plain and some of it travel and becomes occurrence along Daliushu-Huluhe fault, which is held up at Asuwei-Xiaotangshan fault, and then drain along the carbonate rock karst fissure, ascend to the surface and thus the Xiaotangshan hot spring comes into being.

地下热水在黄庄—高丽营深大断裂附近与深部热源沟通，充分吸收深部热量后，一部分继续向平原区深部的基岩储层运移，一部分沿大柳树—葫芦河断裂和碳酸盐岩地层向北部运移、赋存，在阿苏卫—小汤山镇断裂处遇阻，沿碳酸盐岩岩溶裂隙排泄，上升至地表，形成小汤山温泉。

The southwest fault step zone and the position of intersection of fault F_1 and the northeast basin-marginal fault are favorable sites for looking for potential sandstone reservoirs.

西南断阶带和F1断裂与东北盆缘断裂交汇处是寻找砂岩油气藏的有利区域。

The fault feature parameters are extracted,subjection functions and fuzzy rules for identifying pattern of fault and selecting phase of fault are developed from perspective of fuzzy pattern recognition,and new algorithm of speedy comprehensive faulty phase selection based on stratified fuzzy reasoning is presented.

提取了用于故障选相的特征参数，从模糊模式识别的角度，制定了识别故障类型和故障相别的隶属函数及模糊规则，提出了基于分层模糊推理的快速综合故障选相元件新算法。

Simulation results prove that so long as both busbar stray capacitance and sampling frequency satisfy a certain condition, the proposed scheme can judge the fault accurately under various fault conditions. The proposed scheme possesses good selectivity and strong ability of anti-transition resistance, besides, it is more sensitive to the fault occurred at the end of transmission line.

仿真试验表明，只要母线杂散电容和采样频率满足一定的条件，该方法在各种故障条件下均能准确判断故障，具有很好的选择性，并且有很强的抗过渡电阻能力，对末端短路故障的反应灵敏度更高。

Aiming at dual sensor fault detection, the tactic of fault orientation after fault identification is adopted, and a new kind of residual formation method, based on moving subnormal states, is proposed.

针对双余度传感器缓变故障检测，采取了先故障判断后故障定位的故障检测策略，并提出了一种基于移动伪正常状态的残差构造方法。

In order to diagnose faults and to solve the physically unrealizable problems of the optimal fault-tolerant control law, a delay-free transformation approach was given for delayed measurements. The on-line fault diagnosis and the observation of system states were realized by constructing the reduced-order state observer for the augmented system comprising fault states.

为了进行故障诊断并解决最优控制的物理不可实现问题，给出了一种测量时滞的无时滞转换方法，并通过构造含有故障状态的增广系统的降维状态观测器，设计了在线诊断故障的故障诊断器并同时实现了系统状态的观测。

This method can ensure to obtain all reasonable solutions meeting the fault equation, can be applied for various fault correlation criteria (such as various residual vector norm criteria) and underdetermined fault equation, and the algorithm is very simple and facile, not necessary to compile specific program for every particular condition.

首先给出求解故障方程的Monte Carlo算法，该算法能够保证得到满足故障方程的全部合理解；能够简单地用于各种故障相关性准则(例如各种残差向量范数准则)以及亚定故障方程的求解问题；并且算法简单易行，无需为每个特定情况专门编制计算程序。

The practicality of using rough set to reduce the date was discussed, in this paper, and the interval-valued continuous attribute discretization by applying self-organizing map neural network clustering was proposed, too. This article proposes a simplified indiscernible matrix's method, which reduces the example's condition attribute and eliminates the redundant information of the date. What's more, it provides the methods used to diagnosis compressor's faults based on the intelligence hybrid system by adopting the MATLAB neural network workbox. At last, the functional modules which make up into intelligence hybrid system for fault diagnosis was introduced, including: data acquisition module, date preprocessor module, date reduction module, neural network module, fault diagnosis module and fault expressing module. Here, the article also gives the flow of work of all the above modules.

论文论述了应用粗集对故障数据进行约简的可行性，并应用自组织映射神经网络的聚类功能，来实现连续属性值的离散化方法；给出了简化的分明矩阵法，并用该方法实现了样本条件属性的约简，消除了样本数据中的冗余信息；采用MATLAB神经网络工具箱建立了压缩机的部分故障类型的智能混合诊断系统；最后介绍了智能混合故障诊断系统的功能模块组成，各功能模块分别为：数据采集模块，数据预处理模块，数据约简模块，神经网络模块，故障诊断模块，故障解释模块；并给出了各功能模块的工作流程。

Must have Coordination and negotiation skill, flexible ideas, and be punctilious person.

必须具备较好的协调与谈判能力，头脑灵活，工作认真仔细

Result: 18 patients are all with simple eye.The pigment mole lies in nasal and temple sides of the ball conjunctiva,in which 2 lie in lacrimal caruncle and semilunar plica.

结果：18例患者均为单眼，色素痣大多数位于内外侧睑裂部球结膜面，2例位于泪阜及半月皱襞，经激光治疗后，10例色素痣消失，有5例行再次激光后消失，2例行第三次激光后消失，1例第四次激光后消失。