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d4ef13.ZIP
- 高压断路器机械故障诊断专家系统设计High voltage circuit breaker fault diagnosis expert system design-High voltage circuit breaker fault diagnosis expert system design
gaijindechenxu
- 一些改进的程序代码,在机械故障诊断方面很好的作用-Some improvement program code, in the mechanical fault diagnosis, very good effect
matlabsvm1
- 用来进行支持向量机数据分类和特征提取。可用于机械故障诊断领域-Used for support vector machine classification and feature extraction. Can be used in the field of mechanical fault diagnosis
EMDaHHT
- 用于故障诊断 机械故障 emd 支持向量机 柴油机设备常见故障-fault diagnosis manufacturer emd hht
holographic-spectrum
- 屈梁生先生发明的全息谱技术,现在已经成功应用到机械故障领域,尤其是转子故障诊断方面。-Invented by Qu Liangsheng, The holographic spectrum technology has been successfully applied to the field of mechanical fault diagnosis, especially for rotor fault diagnosis.
convwavepacket_fenjie
- 这是自己编的卷积型小波包的分解程序,用于机械故障特征提取,实现了克服Mallat算法数据量减少和产生虚假频率的缺陷-Own series of convolution type of wavelet packet decomposition procedures for mechanical fault feature extraction to overcome the defects of the the Mallat algorithm decrease in the amount of
advanced-harmonic-wavelet-packet
- 自己编的改进谐波小波包实现程序,实现了信号经过谐波小波包变换后幅值不变,适合于机械故障特征提取-The own series improved harmonic wavelet packet achieve signal amplitude unchanged after harmonic wavelet packet transform, for mechanical fault feature extraction
wavelet-packet-de_re
- 用小波工具箱函数实现小波包的分解与重构,非常适合与机械故障特征提取。-Wavelet packet decomposition and reconstruction, and is ideal for mechanical fault feature extraction using wavelet toolbox functions.
Fuzzy-fault-diagnosis-system
- Labview模糊诊断系统,旋转机械故障诊断的实用VI。-Labview Fuzzy fault diagnosis system,The fault diagnosis of rotary mechanism practical VI。
cyclic-cumulant
- 高阶循环统计理论在机械故障诊断中的应用,分析了特征提取的等与机械状态监测和故障诊断的应用-Order cyclic statistical theory analysis feature extraction applications such as mechanical condition monitoring and fault diagnosis in mechanical fault diagnosis,
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- 将高阶时频表示引入机械故障诊断领域。介绍了Wigner 高阶矩谱(WHOS)的概念、定义。针对多分量信号Wigner 高阶矩谱的交叉项会产生“虚假信号”,结合局域波法, 提出了一种抑制WHOS交叉项的新方法。首先对复杂信号进行预处理, 利用局域波分解方法把其分解成有限个具有单分量特性的基本模式分量,然后对每个基本模式分量计算WHOS。该方法能有效抑制WHOS时频分布的交叉项。通过仿真实验和转子的故障实验,以Wigner 双谱为例, 验证了该方法的实用性,为故障诊断的特征提取提供了新的工具-Hig
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- 机械设备发生故障时, 故障特征的提取很重要。对于多通道的设备故障振动信号, 应用非平稳信号的盲源分离算法, 可以有效地提取各自独立的非平稳振动源,从而可以准确地进行机械故障诊断。针对不同时频分布的非平稳盲源分离算法, 比较了它们的分离效果。以转子的复合故障为例, 验证了该算法在故障诊断中可行性。-Machinery and equipment failure, the fault feature extraction is very important. Failure vibration si
ourdev_609869LJNNXM
- 用labview实现振动信号采集,用于机械故障诊断,路形检测等-use labview to acquisit vibration signal
PermutationEntropy
- 计算排列熵的程序,可用于机械故障诊断中。-The procedure for the calculation of the permutation entropy for machine fault diagnosis.
The-holographic-principle
- 《机械故障的全息诊断原理》一书的源代码,有数据,matlab代码,具体可参考原书章节介绍。-" Mechanical failure holographic diagnostic principle" a book source code, data, matlab code, specific reference to the original book chapters introduce.
GrayGradinet
- 压缩包里有机械故障:内环故障、外环故障、正常工况的时频图,压缩包里的程序可以识别出三种故障,效果较好。-Compression bag has a mechanical failure: the failure of the inner ring, outer ring fault, the normal conditions of the time-frequency diagram, the the compressed bag program can identify three faul
wavelet
- 基于matlab的机械故障诊断系统的小波分析,能够加载正常信号与故障信号的数据,进行对比分析,适合初学者学习使用。-wavelet analysis
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- 对重分配小波尺度谱存在着时、频分辨率不能同时达到最佳及当振动信号中存在着能量较大的噪声时会降低其时频分布可读性的缺陷,提出一种基于参数优化和奇异值分解(SVD)提高重分配尺度谱时频分布可读性的方法。首先利用Shan— non熵方法优化重分配尺度谱基函数的时间.带宽积(TBP),克服其时、频分辨率不能同时达到最佳的缺陷,再对重分配尺度谱 进行SVD降噪降低噪声干扰影响,提高时频分布的可读性。最后用该方法对仿真信号和滚动轴承故障信号进行了分析,结果表明该方法的时频聚集性更好,抗噪能力更强,能
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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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- 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