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9.5.4
- 结构振动控制-主动、半主动和智能控制 欧进萍书9.5.4 磁流变阻尼器隔震命令-Structural vibration control- active, semi-active and intelligent control Ou Jinping book 9.5.4 magnetorheological damper isolation command
Band-pass-filter-source-code
- 自己原创的带通滤波的程序,主要实现对振动信号中噪声的过滤-Own original band-pass filtering process, the main achievement of the vibration signal noise filtering. . .
Untitled100
- 共振解调的源代码,用于对滚动轴承的振动信号处理,并通过fft变换,进行故障诊断-Resonance demodulation source code for rolling bearing vibration signal processing and through the fft transform, fault diagnosis
Untitled
- 含有实验所得的滚动轴承故障数据,共振解调法用于对振动信号的故障诊断,并能准确判定故障发生的部位。-Rolling Bearing Fault contains experimental data obtained, the resonance demodulation method for fault diagnosis of vibration signals, and can accurately determine the site of the fault.
centraldifference
- matlab软件编的中心差分法求振动瞬态响应,已调试成功-central difference method for vibraton response
Beam
- ANSYS参数化语言写的计算悬臂梁自由振动振型图的程序!-APDL code for Beam Vibration
PID11111
- PID控制振动台的振动频率,需要数据采集卡和驱动板卡的操作-PID control vibration frequency vibration table requires data acquisition card and driver board operation
Example
- LABVIEW信息处理,可以实时监测振动信号波形的例样程序-LABVIEW information processing, real-time monitoring program examples like the vibration signal waveform
testing
- 用于对于振动加速度测试时对于加速度传感器的读取以及数据的傅里叶变换得到相应的振动曲线-When used for testing for vibration acceleration acceleration sensor reading and the Fourier transform of the data corresponding vibration curve
read-signal-sub-vi
- 可以直接读取txt格式的信号文件,一般是指振动波形数据。只需要输入目录和频率即可,出来就是波形图,该vi还对信号做了去直流的处理。-the vi can read the signal file which is writed in text formation。
dual-tree
- 首先将非平稳的故障振动信号进行双树复小波包分解,得 到不同频带的分量;然后对每个分量求其峭度值和相关系数并进行比较;最后选取峭度值和相关系数较大的分量 进行软阈值降噪和双树复小波包重构,即可有效地消除振动信号中噪声的干扰,同时保留信号中的有效信息即实 现了故障特征信息的提取。-In view of the above situation, a new fault diagnosis method is proposed based on dual-tree complex wa
energy-leakage--dual-tree
- 首先根据高斯白噪声频率充满整个频带的特性,通过双树复小波包变换对高斯白噪声进行分解,利用频带能量泄漏的定量分析方法,验证了双树复小波包变换具有较低的频带能量泄漏特性;其次利用双树复小波包变换逐层分解信号,对每层分解所得分量求其FFT谱的峭度,得到基于双树复小波包变换的谱峭度图,根据图中峭度最大的原则,可以自动准确的选择信号分解最佳层数和最佳分量;最后将基于双树复小波包变换的谱峭度图的故障诊断方法应用于实际工程中,对齿轮故障振动信号进行分析,选择最佳分解层数和分量后利用希尔伯特包络解调,有效准确地
xiaobobaoyuzhijiangzao
- :提出一种基于对偶树复小波块阈值的信号降噪方法,并将其成功应用于机械故障诊断中。机械设备的振动信号都或多或少地含有噪声,导致弱故障信息的提取一直是故障诊断的难点和热点。提出的降噪方法充分利用对偶树复小波变换的平移不变性和块阈值法的更优估计特性,可以获得比常规的小波降噪方法以及基于常规离散正交小波变换的 NeighBlock 降噪法更高的信噪比, 不仅能有效抑制高斯白噪声, 还能够去除冲击信号中的脉冲噪声。-:A denoising method of block thresholding bas
jiegoukongzhi
- 主要对一三层结构在地震作用下的控制,让结构减小振动-The earthquake control
gundongzhoucheng
- 包络分析大多在原始振动加速度信号基础上进行, 受噪声干扰等因素的影响较大 通过对原始振动信号自相关函数作包络分析, 可以有效地抑制噪声, 突出反映故障调制特征-s. Most of the envelope analyses are based on original vibration accelera- tion signal,which is seriously influenced by noise interference. The noise is effectively sup
xiaoboshenjingwangluo
- 提出了采用小波包的方法对供暖双吸式离心水泵轴承振动信号进行去噪和提取表征 相应轴承故障的频带能量 并采用 BP 神经网络进行训练和故障识别 通过 MATLAB 进行了仿真经试验验证该方法能够有效地识别出轴承故障-The wavelet package is adoptted to De-noise and extract band energy that represent bearing fault. and the BP neural network is adopting to t
zhoucheng
- 轴承振动信号数据采集以及时域频域的数据分析-Data analysis of bearing vibration signal data acquisition and time domain frequency domain
Source1
- ivf Fortran 有限元计算 一端固支 另一端自由移动的二维梁结构的振动-calculate the 2D beam vibration based on Finite Element Method in Fortran
FFTest
- 采用基—2FFT算法对振动信号进行FFT计算,在绘图框绘制出频谱图,本源码已经集成了FFT操作类和绘图类,采用VS2010开发环境开发-Using the base-2FFT FFT algorithm to calculate the vibration signal in the drawing box draw the spectrum, the source has been integrated FFT operation classes and drawing classes, us
mohuPID1
- 模糊控制,调节,实验表明,振动控制的PID参数的效果还是不错的。-Fuzzy control, tuning, experiments show that the effect of vibration control for the PID parameters is good.