Research Article

A Novel Fault Diagnosis Approach for Rolling Bearing Based on CWT and Adaptive Sparse Representation

Table 1

Corresponding frequency values of envelope spectrum.

fi-2fr (Hz)fi-fr (Hz)fi (Hz)fi+frfi+2fr2fi-fr (Hz)2fi (Hz)2fi+fr

20.623.927.2430.53 Hz33.87 Hz52.2855.5358.87 Hz