| 1. | Research on the nonlinear kinetics behavior calculation of a real higher - dimensional rotor - bearing system 大型汽轮发电机组轴系扭振的动频研究 |
| 2. | The condition monitoring and fault diagnosis system for larger rotary machinery is applied to all kinds of larger rotary machinery such as stirling engine 研制的计算机状态监测与故障诊断系统适用于各类大型汽轮发电机组、离心压缩机组等回转机械。 |
| 3. | Mechanical vibration - evaluation of machine vibration by measurements on non - rotating parts part 2 : large land - based steam turbine generator sets in excess of 50mw 在非旋转部件上测量和评价机器的机械振动第2部分: 50mw以上陆地安装的大型汽轮发电机组 |
| 4. | In this paper , based on internet technology a new system of monitoring condition and diagnosing fault for high output turbo - generator units are designed and realized 本文所要论述的就是如何设计、开发和实现一套基于internet的大型汽轮发电机组状态远程监测与故障诊断系统。 |
| 5. | This dissertation does the research on improvement and perfection of fault diagnosis expert system , combining with the research project of vibration monitoring analysis and fault diagnostic system for turbo - generator sets 本文结合“大型汽轮发电机组振动监测分析与故障诊断系统”这一科研项目,着重研究了故障诊断专家系统的改进与完善这一课题。 |
| 6. | To manage diagnosing system , the methods of using file system and access database management system to manage data are provided firstly . based on the need of tasks , dll is started up to activate access . so programming becomes simple 为了管理故障诊断系统,首次提出了一种新型的综合labview和access两者特点的实现便携式大型汽轮发电机组故障诊断系统数据管理的方案,在labview下,根据任务需要,利用动态链接库启动access数据库,极大的简化了编程工作。 |
| 7. | The realization of the long - distance monitoring condition and diagnosing fault depends on the network communication , database technique , and web technique and software development tools , so chapter three discusses the computer technology relative to the long - distance monitoring condition and diagnosing fault . six mam aspects of system of long - distance monitoring condition and diagnosing fault are presented in chapter four 大型汽轮发电机组振动状态远程监测与故障诊断系统的实现必须依靠网络通信、数据库技术、 web技术以及系统开发平台等技术,所以本文的第三章就主要讲述与远程监测和故障诊断系统相关的计算机技术。 |
| 8. | This is the second bifurcation of the rotor , leading to low frequency movement at about 1 / 6 rotary speed . ( 3 ) in the third part of the paper , we focus on how to establish a rotor model with multi . span and multi . disk including main linear and nonlinear stimulations on the rotors system . the rules for establishing this kind of rotors model are put forward at the beginning of this part ( 3 )提出了转子大系统的理论建模准则,考虑非线性油膜力、联轴节刚度及标高等因素的影响,建立了一个16dof两跨四盘四支撑不平衡弹性转子模型,并提出了大型汽轮发电机组全轴系的48dof理论模型,建立了考虑陀螺效应时的复数形式的非线性动力学模型。 |
| 9. | Based on predecessors " studies on steam turbine generator - set ' s state monitoring and fault diagnose , this paper focuses on the models and methods used to judge the multiple faults . these models and models , which are based on fuzzy sets theory , probability causal model , artificial neural network technology and genetic algorithms , are tested by some existing examples and some useful conclusions are drawn . all above will put the theory of multiple fault diagnosis of a large turbine generator set a further step 本文在总结和借鉴前人关于汽轮发电机组状态监测和故障诊断的基础上,重点研究基于模糊集理论、概率因果模型、人工神经网络技术以及遗传算法的多故障诊断理论和方法,并用已有的汽轮发电机组振动故障事例进行了验证,得出了一些具有实用价值的结论,进一步丰富和推进了大型汽轮发电机组振动多故障诊断的理论,并提出了一些可靠的、实用的新方法。 |
| 10. | The equation can solve bearing load distribution in multi - support rotor - bearing system by generalizing . 200mw generator set , 300mw generator set and 600mw generator set were analyzed and computed . the results indicate that the values of numerical calculation have a good agreement with known performances 本文分析了汽轮发电机组轴系的动力特性,建立了大型汽轮发电机组轴承负荷分配计算的矩阵方程,该方程可用于计算轴承的负荷,并用实例说明了求解方法,该方程可推广到求解多支承转子?轴承系统的轴承负荷分配,对200mw机组、 300mw机组、 600mw机组进行了分析计算,结果表明理论计算和实际情况一致。 |