An MCM-Enhanced Compressive Sensing for Weak Fault Feature Extraction of Rolling Element Bearings under Variable Speeds

<div>The extracted result of inner race fault using CS-based on MCM: (a) the detected sparse coefficients and (b) the visualized envelope order spectrum.</div>

Shock and Vibration

fig26

Figure 26

Figure 26: An MCM-Enhanced Compressive Sensing for Weak Fault Feature Extraction of Rolling Element Bearings under Variable Speeds 