诊断信息

The fault diagnostic method that applies product structure tree to organize diagnostic knowledge and utilizes FMEA information to establish diagnostic rule between father node and children nodes was presented.

提出了以产品结构树为诊断知识的组织框架和利用FMEA(Failure Mode and E ffect Analysis)信息建立父节点与子节点间的诊断规则的故障诊断方法。

Secondly, the monitoring and diagnostic integration concept was proposed for the hybrid system, based on this assumption, the monitor and diagnosis technology for running process of DMF recovering vaporizer was analyzed. The hybrid Petri nets information model describing the miscellany characterization for production process and controller model for diagnosis and decision were given. The combined propagation condition between equipment failure and heavy disturbance of continuous parameters was also discussed. The simulation results suggest that the methods in this work are valid.

其次，论文针对混杂系统提出了监控与诊断的集成概念，在此基础上进行了DMF回收蒸发罐运行过程的监控与诊断；建立了描述生产过程混杂特性的HPN信息模型和用于诊断决策的控制器模型，探讨了设备故障和连续参数大的扰动的合成传播问题，仿真结果说明了本文设计方法的有效性。

The paper presented a method of detecting long-range correlation in a signal--detrended fluctuation analysis and applied it to diagnose gear faults. Two key problems, i.e. scaling range and polynomial order of fitted trend, were discussed. Scaling exponent was extracted to be as a detector for diagnosing five types of gear faults, their were normal, spalling, tooth broken, wearing and cracking.

探讨了一种检测非平稳信号中长程相关信息的方法--利用去趋势波动分析（detrended fluctuation analysis，DFA）方法来诊断机械故障，着重研究DFA的尺度范围选择、趋势拟合阶数选择等关键问题，提取尺度指数作为诊断的特征参数，应用于齿轮的正常、剥落、断齿、磨损、裂纹等五种状态诊断，正确率达96％以上。

Processing efficiency as a result of cutting-axis achieve the revitalization of planning released the equipment manufacturing industry to adjust exhaust turbocharger atc common faults and exclusion of high-speed cutting edge technology used in the blanking die in and outside the ring of rolling bearing fault diagnosis methods of the term commonly used brief summary of metal material factor in the quality of process performance aluminum water purification technology gap separating sub-micron technology the basic principles of rotary broaching the installation of the basic principles of positioning technology in the context of the characteristics of the engine crankshaft camshaft grinding high-speed implementation of the project highlights the emergence of diagnostic bearing cage diagnostic system 10 cases of preventive measures hardening die steel crack analysis of elastic deformation of the analysis error δφ maintenance and repair pneumatic tools processing tools prismatic conical shape when the surface of the workpiece form error ina sets of cylindrical sliding zgb200x220x180 ina sets of cylindrical sliding cylinder zgb180x200x180 ina zgb160x180x150 ina sets of cylindrical sliding sliding sliding cylinder zgb140x155x150 ina sets zgb120x135x120 ina sets of sets of cylindrical sliding zgb110x125x100 ina sets zgb100x115x100 ina cylindrical cylindrical sliding sliding sliding cylinder zgb90x105x80 ina sets zgb80x90x80 ina sets of sets of cylindrical sliding zgb70x80x70 cnc machine tools in general the structure of the spindle drive motor and the use of the exchange servo motor,the dc converter or to eliminate brush maintenance and high-speed electrical and mechanical constraints,through the belt driving the movement to the spindle,so that the spindle reaches a certain speed to achieve the stepless speed regulation,and consistent use of the speed signal converter to confirm the speed of the motor to achieve the directive,and then cutting into the knife,resulting in improved efficiency

摘 要：由于加工切削效率轴达到实习心得振兴数控机床实习心得发布装备制造业调整废气涡轮增压器常见故障及排除换刀高速切削技术的优势在冲裁模中废旧滚动轴承内外环设备故障诊断常用简易方法名词简介金属材料工艺性能铝材质量因素净化水处理技术空白亚微米分离技术回转拉削基本原理定位安装的基本原则特征技术产生的背景发动机曲轴凸轮轴的高速磨削加工五轴机实施中数控机床实习心得涌现诊断轴承保持架诊断系统预防措施10例模具钢淬火裂纹分析弹性变形误差δφ的分析维护及保养气动工具棱体成形车刀加工圆锥面工件时产生的形状误差 ina 圆柱滑动套 zgb200x五轴机x180 ina 圆柱滑动套数控机床实习心得180x200x180 ina 圆柱滑动套 zgb160x机床实习心得x150 ina 圆柱滑动套 zgb数控机床实习心得x155x150 ina 圆柱滑动套 zgb120x135x120 ina 圆柱滑动套 zgb110x125x100 ina 圆柱滑动套 zgb100x115x100 ina 圆柱滑动套 zgb90x105x80 ina 圆柱滑动套 zgb80x实习心得x80 ina 圆柱滑动套 zgb70x80x70 数控机床的主轴机床信息交流网结构一般采用交流电机和伺服电机，采用变频器或以消除直流电机电刷维护和高速限制，通过带传动把运动传给主轴，进而使主轴达到一定的转速来实现无级调速，同时利用变频器的速度一致信号来确认电动机达到了指令速度后，再进刀切削加工，从而提高了效率

Rule reasoning﹑fuzzy decision and information fusion algorithm are merged, and the step fault diagnosis method is accomplished; For different object, when necessary knowledge is given, a special fault diagnosis system will be automat...

将规则推理﹑模糊决策﹑多传感器信息融合算法融为一体，形成阶梯式故障推理机制。对不同的诊断对象，只要进行建模和设置好必要知识模块，就可自行生成专用故障诊断系统，并能自动输出诊断结果。

Rule reasoning﹑fuzzy decision and information fusion algorithm are merged, and the step fault diagnosis method is accomplished; For different object, when necessary knowledge is given, a special fault diagnosis system will be automatically produced, and the diagnosis result will be given.

将规则推理﹑模糊决策﹑多传感器信息融合算法融为一体，形成一阶梯式故障推理机制；对不同的诊断对象，只要设置好必要知识模块，就可自行生成一专用故障诊断系统，并能自动输出诊断结果。

The expert system, worked on rule, adopted the discharge signal and DC leakage current value as its characteristic parameters, and then diagnosed the insulation state of DC feeder cable by the values of the characteristic parameters.

直流馈出电缆绝缘诊断专家系统采用基于规则的专家系统实现，系统通过采用数据处理后提取的放电信息，直流泄漏电流幅值信息作为电缆绝缘性能诊断的特征参数，进而根据所获得的特征参数值来进行直流馈出电缆绝缘性能的判别。

This thesis successfully applies the Retes networking and interference technologies to the functional realization of the Fault Diagnosis module. Based on the knowledge used by expert in Fault Diagnosis, the association relationship between alarm data is analyzed and summarized, then all the association relationship was constructed as rules and stored in the knowledge base.

本文成功地把Rete网络及其推理理论应用到该故障诊断模块的功能实现中，并根据专家经验，对告警信息进行关联关系分析，总结告警之间的关联关系并将其表示成规则写入知识库中，Rete算法把这些规则编译成模式网和连接网对告警信息进行模式匹配，从而应用专家系统实现了移动网管系统故障诊断模块。

The conclusion that dissolved gases in gas composition and content of transformer could embody the inside of the transformer"s situation about "the insulation fault effectively is concluded.In the research of power equipment fault diagnosis based dissolved gases in transformer oil, the fault type increase clearly with the fault development. Traditional way is inability to faults diagnose of electrical equipment such as transformer that the fault reason, phenomenon and principle are indeterminacy etc.

在以油中溶解气体分析电气设备故障的模式识别研究中，当故障进一步发展，待判别的类型将显著增加，由于传统的诊断方法缺乏对样本数据的科学分析，不能够真实体现特征量数据的规律，将不可避免的面临准确率下降的问题，且不可能提供类间相互关系或演变过程的信息，因此用新的诊断方法来解决此类问题十分必要；本文在对目前变压器内部绝缘故障常用诊断方法总结分析的基础上，利用模糊数学的思想，提出以油中溶解气体为特征量，采用模糊聚类的方法对变压器内部绝缘故障进行诊断。

Through the simulation of large-scale circuit simulation proved that use the crossover tearing technology could detailed network structure, simplify the diagnostic process, and the neural network can parallel deal with the diagnosis information, and the logic operation can judge the information of the multi-fault.

通过对大规模模拟电路的仿真证明，使用交叉撕裂明细网络结构，简化诊断过程，且运用神经网络组对信息进行并行处理，逻辑分析运算对多故障信息进行处理判断，大大提高了故障诊断速度，减小了测前工作量。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷