Multispectral Balanced Automatic Fault Diagnosis for Rolling Bearings under Variable Speed Conditions

<div>Simulation signal: (a) simulated shock signals; (b) superposition of simulated shock signals and harmonic signals; (c) superposition of simulated shock signals, harmonic signals, and noise; (d) instantaneous frequency and confidence range.</div>

Structural Control and Health Monitoring

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Figure 2

Figure 2: Multispectral Balanced Automatic Fault Diagnosis for Rolling Bearings under Variable Speed Conditions 