The Method of Quantitative Trend Diagnosis of Rolling Bearing Fault Based on Protrugram and Lempel–Ziv

<div>Simulation vibration signal of bearing inner race with different fault sizes. (a) Fault diameter: 0.5 mm. (b) Fault diameter: 2 mm. (c) Fault diameter: 3.5 mm. (d) Fault diameter: 5 mm.</div>

Shock and Vibration

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Figure 2

Figure 2: The Method of Quantitative Trend Diagnosis of Rolling Bearing Fault Based on Protrugram and Lempel–Ziv 