Train Wheelset Bearing Multifault Impulsive Component Separation Using Hierarchical Shift-Invariant Dictionary Learning

<div>Artificial notches on the surface of the wheelset bearing parts: (a) artificial notches on a roller; (b) artificial notches on the outer race.</div>

Shock and Vibration

fig11

Figure 11

Figure 11: Train Wheelset Bearing Multifault Impulsive Component Separation Using Hierarchical Shift-Invariant Dictionary Learning 