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

<div>Schematic diagram of the bench test for a wheelset bearing: (a) fixing devices; (b) driving motor; (c) supporting seat; (d) accelerometer; (e) loading device; (f) driving wheel; (g) wheelset; (h) gear box; (i) axle box; (j) rubber buffer.</div>

Shock and Vibration

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Figure 10

Figure 10: Train Wheelset Bearing Multifault Impulsive Component Separation Using Hierarchical Shift-Invariant Dictionary Learning 