Speed Reduce Fault Diagnosis Base on Wavelet and Envelope Analysis
MA Wen-sheng · Coal Mine Machinery · 2008
Introduces the wavelet analysis and the application of wavelet analysis and envelope analysis in the speed reducer,take advantage of fault always happens with the output signal sudden change,use Hilbert envelope and take spectrum analysis,it proved that wavelet analysis and envelope analysis has the superiority,realizes the purpose of fault diagnosis.