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bearing-fault-test-data
- 轴承的振动试验数据包括：内环、外环和滚动体故障以及正常四种情况下的数据-bearing fault data
FFT_3D
- 针对轴承故障，利用信号采集系统采集三种故障信号，应用FFT，画出3维频谱-For the bearing failure, the use of signal acquisition system collected three kinds of fault signals, applied FFT, draw three-dimensional spectrum
guzhang
- matlab程序，运用小波变换的方法进行轴承故障诊断-matlab program, using wavelet transform to detect bearing fault
resonance-demodulation
- LabVIEW下自动实现共振解调，广泛应用于轴承信号故障诊断。-LabVIEW automatically achieve resonance demodulation, the signal is widely used in bearing fault diagnosis.
ex001
- 基于matlab小波变换的轴承故障外圈点蚀分析。-Based on wavelet transform matlab punctuate eclipse outer bearing failure analysis.
code
- 基于代价敏感布雷格曼散度的旋转机械轴承故障诊断研究-Rotating Machinery Fault Diagnosis of Bearing cost sensitive Bregman divergence based
med2d
- 一种基于最小熵反褶积( ]8+83)3 6+D*(A4 Q20(+W(-)D8(+，]6Q) 的滚动轴承故障特征提取方法: 在利用 /X 模型去除齿轮啮合产生的确定性信号的基础上，对保留信号进行最小熵反褶积，增强冲击信号"该方法避免了传统轴承故障诊断方法中带通滤波器设计的难题，实车测试表明: 与共振解调技术相比，该方法提取的滚动轴承故障特征更加明显，更适合于工程应用"-Based on minimum entropy deconvolution (] 8+83) 3 6+D* (A4 Q20 (
fangzhen
- 用matlab仿真轴承故障信号构造轴承故障的仿真信号，其中轴承的固有频率fn=3000Hz , 位移常数y0=5, 阻尼系数ξ＝0.1, 冲击故障发生的周期为0.01s，采样频率fs=20KHz, 采样点数N=4096。要求：根据上述条件构造轴承故障的仿真信号，画出其时域波形及频谱图。-Matlab simulation bearing fault signal
zhouchengguzhangzhenduan
- 分形学习进行轴承故障诊断及各个震动数据的数据降维的方法-Fractal study conducted bearing fault diagnosis and the various vibration data dimensionality reduction method
计算轴承故障特征频率
- 简单的labview,实现计算轴承故障特征频率(Calculation of characteristic frequency of bearing fault)
guzhang
- 故障诊断课程设计，电机轴承故障诊断，FFT，Haar小波分析,时域分析，数学形态分析等(Fault diagnosis curriculum design, motor bearing fault diagnosis, FFT, Haar wavelet analysis, time domain analysis, mathematical morphology analysis, etc.)
eemdaddKurtosis criterion
- 利用eemd分解信号以及峭度准则筛选最佳分量，并对筛选的分量做包络谱，进而诊断出故障类型。(EEMD is used to decompose the signal and kurtosis criterion to screen the best components, and the envelope spectrum of the selected components is made, and then the fault types are diagnosed.)
emd+改进阈值函数
- 利用emd分解轴承振动信号，并通过改进阈值函数来筛选IMF分量，最后对分量做包络分析，诊断出故障类型。(Using emd to decompose the bearing vibration signal, the IMF component was selected by improving the threshold function, and finally the component was enveloped and analyzed to diagnose the fault ty
模糊熵程序
- 本文件为一个轴承故障诊断指标，名字为模糊熵，可以作为特征量的筛选指标，也可用作为特征指标。(This document is a bearing fault diagnosis index, whose name is fuzzy entropy, which can be used as a screening index of characteristic quantity, and can also be used as a characteristic index.)
pca 轴承故障诊断程序
- 最小均方算法，借助于最速下降算法发展起来的，通过维纳滤波所求维纳解，已知输入信号与期望信号的先验统计信息，以及再对输入信号的自相关矩阵进行求逆运算的情况下才能得以确定，计算复杂程度低，收敛性好(Least mean square algorithm, with the help of the steepest descent algorithm is developed, using wiener filtering for wiener solution of known prior stat
zhoucheng
- 轴承故障仿真信号时域波形图和轴承故障仿真信号幅度谱图的MATLAB程序(Bearing fault simulation signal time domain waveform and amplitude spectrum)
data
- 机械故障预防协会(MachineryFailurePreventionTechnologySociety, MFPTS)的故障 模拟实验台(Mechanical Failure Prevention Association (MachineryFailurePreventionTechnologySociety, MFPTS) failure Simulator)
利用傅里叶变换和包络谱对轴承异响的分析
- 利用轴承声音信号做频谱分析和包络谱分析。(using voice of bearing vibration for FFT and hilbert FFT)
fangzhen
- 更改参数可以获得不同大小缺陷的仿真信号，并且画出相应的图像，可以用于轴承故障定量诊断(The simulation signals of different size defects can be obtained by changing the parameters.)
轴承动力学建模matlab
- 轴承动力学故障诊断，使用ode45解动力学微分方程(Bearing dynamic fault diagnosis, use ode45 to solve dynamic differential equations)