查询词典 fault analysis

To make paper more systematic and practical, this paper has first introduced the development history of CT equipment, then, elaborate construction of system and theworking principle of CT equipment systematically, including the property of X-ray, the absorption law of X-ray for materials, the reconstruction principle of CT image, the structure of software and hardware for CT equipment. Finally, with 2 CT systems that we used, statistic and analysis of all the malfunctions which have carried out in passed 10 years was given, and according to the systematic parts of fault located, classify the malfunctions, then elaborate their working principle one by one, analyze the regularity and the characteristic of each malfunction, and put forward specific prevention method and measure for the malfunction.

为了使论文更具系统性和实用性，本论文首先介绍了CT设备的发展史，然后比较系统地阐述CT设备的工作原理及系统结构，包括X射线的特性和物质对x射线的吸收规律，CT图像的重建原理，CT设备的软、硬件结构等，最后以我们所使用的2台CT为例，对10余年来所出现的故障进行了全面的统计分析，并按故障所处的系统部件进行分类，然后逐个阐述其工作原理，分析其故障的特点和规律，并就这些故障提出具体的预防方法和措施。

Based on these recognitions, by the analysis of production method, development formation division, development well grid and well spacing, single well daily rate and recovery efficiency prediction, etc, a development plan was brought to effect: it is all around affusion and made the oil-well of east fault sparse, and predicted the recovery efficiency of 55%, provide a sound foundation for the future development in the area.

在此认识的基础上，通过开采方式、开发层系划分、开发井网和井距、单井日产能力、采收率预测等研究，确立了边外注水+断层东油井抽稀，断层西少部署一排油井的开发方案，利用数值模拟方法，预测采收率为55%，完成油藏开发方案的设计，为该区下一步开发提供了有力依据。

Then, based on the analysis of parachute design process, an expert system is used for the uncertain parameter decision and airdrop experiment fault diagnosis in the course of parachute design.

通过对降落伞设计过程的分析，首次将专家系统技术引入降落伞设计过程中的不确定参数决策和空投试验后的故障诊断，并在降落伞集成设计系统中得到了运用。

Fault tree analysis is used to analyse the high arch dam risk.

利用故障树分析法对高拱坝进行风险分析。

Combining the field operation of caisson precasting ,presenfd by safety system analysis and fault tree analysis,the danger factors of caisson precasting ,and relevant safety control measures are put forward.

结合某沉箱预制厂现场作业情况，以安全系统工程分析法和故障树分析法，分析沉箱预制过程存在的危险因素，并提出安全控制措施。

Combining the field operation of caisson precasting,presenfd by safety system analysis and fault tree analysis,the danger factor s of caisson precasting,and relevant safety control measures are put forward.

结合某沉箱预制厂现场作业情况，以安全系统工程分析法和故障树分析法，分析沉箱预制过程存在的危险因素，并提出安全控制措施。

The research work in this dissertation aim to apply the advanced technique in practice, that ramifies three parts: at first, the basic study of the computer vision, especially the stereo vision, include their technical mechanisms, methods and algorithms resolves the same technical problems of endoscopy and ferrograhpy based on stereo vision. Secondly, the endoscopy of engine fault inspection based on stereovision is researched and the system faced to this application is developed, thus the problems of stereovision applied to macroscopical images such as endoscopic images are resolved in method and computation. In addition, inside scenes are reconstructed and typical damages of engine inside are analyzed. Thirdly, the investigations of system formation, methods applied and algorithms study of debris analysis based on stereovision is carried out. Thus the problems of stereovision applied in debris analysis are resolved mainly. Furthermore, the integrated method combine with 3D symbolic parameters is studied and discussed for the recognition of debris configuration in pilot.

本文的研究工作以技术应用为目标，分为三大部分：首先是对计算机视觉，特别是立体视觉技术机理、方法和算法的基本研究，主要解决了立体视觉在内窥探伤与铁谱检测中应用的技术共同点；其次是对基于立体视觉的发动机内窥探伤的技术研究和系统开发，解决了立体视觉用于内窥图像这一宏观图像的技术和算法实现问题，其中包括对内窥场景的视觉重建和对发动机内部典型损伤的分析；最后对基于立体视觉的磨粒分析技术的系统构架、实施方法和相关算法进行了研究，主要解决了立体视觉用于磨粒显微图像的技术问题，并对融合三维描述参数的磨粒形态综合识别方法进行了初步研究与探讨。

The research work in this dissertation aim to apply the advanced technique in practice, that ramifies three parts: at first, the basic study of the computer vision, especially the stereo vision, include their technical mechanisms, methods and algorithms resolves the same technical problems of endoscopy and ferrograhpy based on stereo vision. Secondly, the endoscopy of engine fault inspection based on stereovision is researched and the system faced to this application is developed, thus the problems of stereovision applied to macroscopical images such as endoscopic images are resolved in method and computation. In addition, inside scenes are reconstructed and typical damages of engine inside are analyzed. Thirdly, the investigations of system formation, methods applied and algorithms study of debris analysis based on stereovision is carried out. Thus the problems of stereovision applied in debris analysis are resolved mainly. Furthermore, the integrated method combine with 3D symbolic parameters is studied an d discussed for the recognition of debris configuration in pilot.

本文的研究工作以技术应用为目标，分为三大部分：首先是对计算机视觉，特别是立体视觉技术机理、方法和算法的基本研究，主要解决了立体视觉在内窥探伤与铁谱检测中应用的技术共同点；其次是对基于立体视觉的发动机内窥探伤的技术研究和系统开发，解决了立体视觉用于内窥图像这一宏观图像的技术和算法实现问题，其中包括对内窥场景的视觉重建和对发动机内部典型损伤的分析；最后对基于立体视觉的磨粒分析技术的系统构架、实施方法和相关算法进行了研究，主要解决了立体视觉用于磨粒显微图像的技术问题，并对融合三维描述参数的磨粒形态综合识别方法进行了初步研究与探讨。

Moreover, this paper introduces the analysis and design of automation system of the production line at length, including the spot controlling unit, the central controlling unit, hardware and software, communication connecting and electricalcontrol. Also introduces the technique analysis and controlling method design of the raw material preparation, rotating kiln system and coal powder preparation. Describes the system design in detail, such as the main control interface, the system main interface, the system flow diagram, group start and stop, equipments selecting, emergency and fault reset, alarming picture, tendency picture, speed setting, raw material feeding, feeding operation, production reporting table and so on.

接着，论文对该生产线自动控制系统进行了详细地设计分析，包括现场控制部分、中央控制部分、软硬件部分、通讯连接部分和电气控制部分；对生料制备系统、回转窑系统和煤粉制备系统进行了工艺分析和控制方法的设计；并对系统主要控制界面，系统主界面、系统流程图、组起/组停、设备选择、故障复位、故障紧停故障消音、报警画面、阀门操作、趋势画面、转速设定、生料喂料、喂煤操作、原料喂料、生产报表等做了设计介绍。

This paper will use fuzzy parameter method to record the important machine parameters. First, we can solve the degree of membership functions of fault fuzzy parameters. Then, the weight of the fuzzy membership function can be obtained by the Analysis Hierarchy Process with Matlab software. Finally, the result of synthetic fuzzy membership function of each cylinder can be used to find out the engine real faults and time relationship. In addition, such model analysis is suitable for the real ship and others sister ships maintenance programs.

本研究采用参数模糊法将主机纪录中的重要参数，利用参数故障模糊隶属度函数，得到各参数的故障模糊度，再利用层次分析法以确定各参数在故障诊断中所占的权重，最后得到主机各缸综合故障模糊隶属度，确定出主机故障与时间的关系趋势，并经实船验证本模式完全适用於同型姊妹船的维修保养计划。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。