摘要
文章通过小波包分析方法对汽轮机货油泵信号进行仿真分析验证,对信号进行时域信号分析,基于振动信号的小波包特征提取,得出故障频率特征,进而可以分析判定故障的存在,验证小波包分析对故障特征量提取的有效性。
By means of wavelet packet analysis method, the signal of turbine oilpump is simulated and analyzed, whith the signal analyzed in time domain. Based on the wavelet packet feature extraction of vibration signal, the fault frequency character is tics are obtained, with which we can analyze and determine the fault existence. Verifing the effectiveness of wavelet packet analysis on fault feature extraction.
出处
《中国修船》
2017年第2期18-22,共5页
China Shiprepair
关键词
汽轮机货油泵仿真信号
小波包分析
时频分析
功率谱
turbine cargo pump signal sinculation
wavelet packet analysis
time-frequency analysis
power spectrum
