搜索资源列表
Toth_Toth_41
- On Finding Better Wavelet Basis for Bearing Fault Detection
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- 滚动轴承是各种机电设备中的重要部件，其主要特点是其寿命的随机性较大，且它的好坏直接影响到设备的正常运行。因而掌握轴承运行的工作状态以及故障的形成和发展是目前机械故障诊断领域中研究的重要内容之一。利用轴承的随机振动信号对其工作状态进行诊断是目前最常用的方法-Rolling is a variety of mechanical and electrical equipment is an important component, its main feature is its randomness
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- 基于循环统计理论, 对循环平稳信号进行处理, 主要研究了信号的二阶循环统计特性, 即循环自相关函数和循环谱密度, 指出循环自相关函数不为零的循环频率对应着信号中的某些故障, 并 可以对调幅信号进行解调. 通过循环频率扫描方法提取的调制源分布在循环频率域的低频段, 其结 果可用循环频率-频率- 循环谱密度的三维图表示. 用仿真信号对该方法进行验证, 并应用于滚动轴承的内、外圈及滚动体的故障诊断, 可以有效地分离出所对应的故障特征频率.-Statistical theory based on
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- 滚动轴承故障诊断是机械故障检测中一个重要方面。使用小波包分析和包络分析相结合的方法提取轴承微弱振动信号, 克服了传统包络分析方法易丢失信号有效成分的缺点。包络信号的细化谱较好体现了轴承故障信息。-Bearing Fault Diagnosis of mechanical fault detection in an important aspect. The use of wavelet packet analysis and envelope analysis method of combini
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- 论述了小波包分解及其能量谱处理发动机连杆轴承故障的原理与方法, 结合传统断火诊断法的思想,应用小波包能量谱直观地识别出故障的特征频带, 并进行量化分析, 结果证明了这种方法比传统的付立叶分析方法具有更大的优越性及现实的应用价值-Discussed and wavelet packet energy spectrum processing engine connecting rod bearing failure principles and methods, combined with trad
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- 小波分析可同时从时域和频域两个方面对信号进行分析，结合包络分析十分适合滚动轴承的故障特征提取；基于双通道的全矢小波分析方法不仅对单通道小波分析方法具有兼容性，而且弥补了传统的基于单通道信 息进行旋转机械故障特征提取造成的信息量不完整、易导致误诊的弊端。结果表明，在针对滚动轴承外圈故障特征提取时，全矢小波分析方法较小波一包络分析方法具有一定的优势。 -Wavelet analysis simultaneously from the time domain and frequency doma
hengsler_mesh_camera
- In this demonstration, we present MeshEye, an energy-effi cient wire- less smart camera mote that has been designed with low-rate, dis- tributed imaging applications in mind. Special attention is given to its unique and novel vision system
1D_slider_bearing_performance
- rotor bearing solver
Dynamic-pressure
- 动压气体轴承的动态刚度和动态阻尼系数-Dynamic pressure gas bearing dynamic stiffness and dynamic damping
Bearing-Capacity-v1.00-Sept2010
- This for pad design in Civil engineering
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- 滚动轴承振动信号容易受 到随机噪声 的污染, 如 何去噪 成为滚动轴承故障诊断的关键问题之一。而传统的消噪方法可能会将信号中一些能量小的有用信号当作噪声消除, 本 文即提出 一种改进 的小波消噪方法-Rolling bearing vibration signals are easily influenced by the random noise pollution, such as any denoising become one of the key problems of rolling
Elastic-modulubearing-capacit
- 钢管混凝土的复合弹性模量及承载力试验研究-Elastic modulus of composite steel and concrete experimental study bearing capacity
LabVIEW
- 基于labview的风电轴承故障检测与监测-Wind power bearing fault detection and monitoring based on labview
ascending-order-algorithm
- 高分辨目标方位估计算法──递增阶数多参数估计的理论与实验研究- ascending order algorithm of multi-parameter estimation theory and experimental research on high resolution bearing estimation
image-compression
- In recent years, the development and demand of multimedia product grows increasingly fast, contributing to insufficient bandwidth of network and storage of memory device. Therefore, the theory of data compression becomes more and more significant for
ALabVIEW
- 轴承故障判断的好帮手，非常好的程序，适合程序员开发-Bearing fault diagnosis is a good helper, a very good program for programmers to develop
bearingcodes1
- bearing fault matlab codes
bearingcodes2
- bearing faults matlab code
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- The Fault Diagnosis of the Rolling Bearing Based on the LMD and Time-frequency Analysis
pint_2014_Applied-Acoustics
- The main problem in dustrial application of bearing vibration diagnostics is the masking of informative bearing signal by machine noise. The vibration signal of the rolling bearing is often covered or concealed by other structural vibrations sour