Description: 输入历史实测数据(34天)的汽轮机振动的日平均峰峰值取其中三十天作为历史数据样本-Enter the history of the measured data (34 days) of the turbine vibration peak average peak day from 30 days in which samples of historical data as Platform: |
Size: 1024 |
Author: |
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Description: 电厂汽轮发电机组振动及事故原因分析以及处理措施-Power plant turbine-generator unit vibration and the cause of the accident analysis, and treatment measures Platform: |
Size: 65536 |
Author:汪峰 |
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Description: 利用随机振动理论,估算风力机塔架结构在脉动风载荷作用下的应力循环次数-Using random vibration theory to estimate the wind turbine tower structure in fluctuating wind loads of stress cycles Platform: |
Size: 2048 |
Author:陶 |
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Description: 汽轮机轴系振动故障诊断中的信息融合方法研究-Research on Information Fusion for Vibration Faults of Steam
Turbine Shaft System
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Size: 1792000 |
Author:lizhi |
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Description: 轮机组的振动机理非常复杂,故障的出现又存在一定的偶然性,故障特征也
不易捕捉。开展汽轮机振动故障诊断技术的研究,能够帮助发现机组的早期故障,
有效地防止和预测恶性事故的发生,从而延长检修周期-Wheel unit vibration mechanism is very complicated, there is a certain failure occurs and the contingency, fault characteristics are not easy to capture. Fault Diagnosis of Steam Turbine Technology to carry out research to help find an early unit failure, to effectively prevent and predict the occurrence of fatal accidents, thus extending the maintenance cycle Platform: |
Size: 5208064 |
Author:sf |
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Description: 基于WSNs的水轮发电机组振动监测系统设计WSNs based water turbine vibration monitoring system design-WSNs based water turbine vibration monitoring system design Platform: |
Size: 418816 |
Author:ff1010 |
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Description: 针对风力发电机齿轮箱的故障,介绍常用的故障诊断方法,理论上分析齿轮箱故障振动
信号的特征,并用 软件仿真其振动信号 对比正常运行与发生故障时的频域信号波形,并进行了一定的分析,为风力发电机齿轮箱的故障诊断提供了参考-Wind turbine gearbox failures, to introduce fault diagnosis method theoretically analyze the characteristics of the vibration signal of a gearbox failure, software simulation of the vibration signal contrast to the normal operation and failure frequency domain signal waveform, and must analysis to provide a reference for the wind turbine gearbox fault diagnosis Platform: |
Size: 344064 |
Author:张力 |
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Description: 09年上交大的硕士论文
本论文作者在对风电场监控系统进行实际调研后,以美国 GE 公司的1.5MW 变速变桨距双馈异步风力发电机组为例做为被监测对象,应用
美国国家仪器公司 NI(National Instruments Corporation)虚拟仪器技术
和 LabVIEW8.5 作为软件平台,尝试开发大型风力发电机组旋转机械状
态监测系统,并根据风力发电机组和风电场远程监控的特征,对监测系
统的通信方式进行分析比较后,选择通信方案。监测系统的目的是对采
集的振动信号通过曲线拟合、统计分析、频率响应等步骤进行定量分析,将数据以图和表的形式显示出来,并储存所有数据。经过对模拟输入振
动信号的分析处理进行仿真,验证了该风力发电机组旋转机械振动监测软件平台的可操作性,具有进一步开发和完善其现场应用的价值。
-Jiaotong University master s thesis in 2009
Wind farm monitoring system for actual research, the authors of the paper to the U.S. company GE 1.5MW variable speed pitch as the object to be monitored from the doubly fed induction wind turbine, for example, the application
National Instruments NI (National Instruments Corporation) virtual instrument technology
And LabVIEW8.5 as software platform, try to develop large-scale wind turbine rotating machinery like
State monitoring system, in accordance with the characteristics of the wind turbine and wind farm RMON monitoring system
System of communication compared to select the communications program. The purpose of the monitoring system are collected
Set the vibration signal by curve fitting step quantitative statistical analysis, frequency response analysis, the data is displayed in the form of graphs and tables, and store all data. After the analog input vibration
The analysis of the dynamic signal processing simulation to verify th Platform: |
Size: 588800 |
Author:liuxianming |
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Description: 利用目前风力机叶片设计普遍采用的优化设计方法Wilson设计A-法,通过MATLAB编程,开发了小型叶片气动设计的应用程序,并利用该程序设计了一台3kW小型水平轴风力机叶片。采{用MATLAB和ANSYS共同建立了风力机叶片三维有限元参数模型,MATLAB编制的建模程序提高了{初期设计效率,缩短了ANSYS分析前处理时间。在此基础上进行了叶片固有振动特性计算,分析了叶《片的振动特性及其与结构参数之间的关系,分析方法和结果对风电叶片的结构设计和动力分析有一定;的参考价值。-Advantage of the current design of wind turbine blades commonly used in optimal design method Wilson designed the A-Law, MATLAB programming, developed a small blade aerodynamic design application and use of the program designed a 3kW small horizontal axis wind turbine blades. Mining {using MATLAB and ANSYS common parameter model of wind turbine blades dimensional finite element modeling program MATLAB prepared the {initial design efficiency, shortening the ANSYS analysis of the pre-treatment time. On this basis, the natural vibration characteristics of leaves, the relationship between leaf on vibration characteristics and structural parameters, analytical methods and the results of analysis has some structural design of wind turbine blades and power reference value. Platform: |
Size: 382976 |
Author:chentiange |
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Description: 本算法程序基于实测汽轮机振动信号进行了测试及性能分析。理论分析及仿真结果表明,AR模型谱估计算法在阶次合适的情况下,能够取得较好的方差及分辨力性能,适合于振动信号的功率谱估计,且AIC准则为确定合理的模型阶次提供了有效依据。-This algorithm based on the measured turbine vibration signal testing and performance analysis. Theoretical analysis and simulation results show that, AR model spectrum estimation algorithm in appropriate circumstances the order, the variance can achieve better performance and resolution, suitable for vibration signal power spectrum estimation, and the AIC criterion to determine a reasonable model order provides an effective basis. Platform: |
Size: 17408 |
Author:张一 |
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Description: 用matlab程序对正常和故障的风电机组振动信号进行特征提取,提取时域的16个特征值-Using matlab program for normal and faulty wind turbine vibration signal feature extraction, extraction time domain 16 eigenvalues Platform: |
Size: 2048 |
Author: |
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Description: 基于小波预处理的HHT方法在水轮机振动诊断中的应用,作者是薛延刚-The HHT method based on wavelet pretreatment in the diagnosis of turbine vibration, the author is Xue Yangang Platform: |
Size: 881664 |
Author:wangguanglei |
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Description: 风机模态参数识别,主要是风机急停工况下阻尼、自振频率等识别(The identification of the modal parameters of the wind turbine and is mainly the identification of the damping and vibration frequency of the wind turbine under the emergency shutdown condition.) Platform: |
Size: 1024 |
Author:duzhu0992
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Description: 风电齿轮的动力学建模程序,模拟了齿轮振动处的信号(The dynamic modeling program of wind turbine gears simulates the signals at the vibration of gears.) Platform: |
Size: 1024 |
Author:JM_Ron |
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