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zhouchen
- 小波阈值自动选取方案去噪，并用HHT对去噪后的轴承信号进行处理，提取故障特征。-Wavelet threshold de-noising program automatically chooses, for bearing with HHT denoised signal processing, fault features.
xiaobozhenduan
- 小波分析由于具有同时分析信号时域和频域的特性，所以使用小波分析技术对检测的信号进行变换，然后对具有故障特性的信号进行重构，最后通过希尔伯特变换进行解调和细化频谱分析，从而轴承中的故障信息成分就可以检测出来，以判断轴承发成故障的部位。-Wavelet analysis has the characteristics of both time and frequency domain, so the wavelet analysis technique is used to transform th
wodechengxudisange
- 有关轴承的故障诊断算法的程序，需要的同学可以-Bearing fault diagnosis algorithm related programs, students need to look
q
- 文件为matlab程序段，为轴承外圈脉冲故障情况下的时频信号-File matlab program segment, the bearing outer ring pulse frequency signal in case of failure
SSSS
- 轴承的4种振动信号，包括1种正常信号，内圈、外圈及滚动体故障信号-4 kinds of bearing vibration signal, including the one kind of the normal signal, the inner ring, outer ring and rolling fault signal
baoluopuzhouchengguzhangzhenduan
- 利用matlab通过包络谱与能量谱诊断轴承内外圈故障，并附有内外圈的故障数据，适合初学者。-By using matlab spectrum and energy spectrum envelope bearing inner ring fault diagnosis, fault data together with inner and outer rings, suitable for beginners.
Noise-Reduction
- 轴承内圈齿轮齿根齿轮故障信号小波降噪的matlab源码- Gear fault signal Wavelet Transform matlab source
MP
- 此程序为稀疏分解匹配追踪的算法，应用于轴承信号故障处理中-This program is a sparse decomposition matching pursuit algorithm, applied to the bearing signal fault processing
pinpu_xcorr
- 此程序主要用于处理轴承和齿轮故障，先进行傅里叶变换，然后在信号频域内做频谱自相关，通过频谱自相关，可以识别频谱中的周期性调制信息-This procedure is mainly used for processing the bearing and gear failure, Fourier transform first, and then the signal in the frequency domain spectrum autocorrelation, through spectru
Bearing-frequency-calculate
- 所写的Labview程序可一次性计算出轴承的故障特征频率，方便实用-Written Labview program can calculate a one-time fault characteristic frequency of the bearing, convenient and practical
Parameter-optimization
- 针对滚动轴承早期故障特征提取困难的问题，提出一种基于参数优化变分模态分解的轴承早期故障诊断方法。首先利用粒子群优化算法对变分模态分解算法的最佳影响参数组合进行搜索，搜索结束后根据所得结果设定变分模态分解算法的惩罚参数和分量个数，并利用参数优化变分模态分解算法对故障信号进行处理。-Aiming at the difficult problem of early fault feature extraction of rolling bearing, an early fault diagnosis
RSSD
- 该代码针对滚动轴承故障振动信号呈现出非线性、非平稳性及噪声背景较强等特点，为了有效提取故障特征，使用的一种共振稀疏分解（Resonance-based sparse signal decomposition，RSSD）与小波变换相结合的振动信号特征提取技术的相关仿真实验程序和轴承数据分解程序。其中，共振稀疏分解是基于品质因子可调小波变换与形态分量分析的一种新的信号分解方法，与常规的基于频带划分的信号分解方法不同，它依据信号各分量的振荡形态不同对信号进行分解。 同时还提供了可调谐 Q 因子小波
共振解调
- 分解信号，信号处理，故障诊断，轴承以及齿轮(Resonance demodulation)
滚动轴承振动信号
- 滚动轴承振动信号均来源于 Case Western Reserve University Bearing 数据中心，数据中心提供了正常和故障轴承的滚珠轴承测试数据。
fangzhen
- 利用MATLAB程序仿真轴承内圈不同故障程度信号。仿真信号X由故障信号 与白噪声r两部分构成(Use MATLAB program to simulate the signal of different failure degree of bearing inner ring. Simulation signal X consists of two parts: fault signal and white noise r)
TQWT原版
- TQWT工具箱，可调Q因子小波变换，可用于轴承齿轮故障诊断。(TQWT toolbox, adjustable Q factor wavelet transform, can be used for bearing gear fault diagnosis.)
Autogram
- Autogram能够对频带进行合适的选取，用于轴承等故障诊断(Autogram is a new approach to find the proper frequency band of demodulation for bearing faults diagnosis. Moshrefzadeh A, Fasana A. The Autogram: An effective approach for selecting the optimal demodulation band in ro
cyclostationary_toolbox
- cyclostationary_toolbox 循环平稳分析工具箱，可用于齿轮和轴承的故障诊断(cyclostationary_toolbox for gear and bearing fault diagnosis)
Autogram源代码
- Autogram源代码，用于检测齿轮轴承等冲击性故障
Cyclic Spectral Correlation
- 用于求循环普相关函数，可用于轴承，齿轮等旋转机械故障诊断(Cyclic spectral correlation)