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A Fault Diagnosis Scheme of Gear Vibration Signal Based on Variational Mode Decomposition and Detrended Fluctuation Analysis

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Figure

Figure 2. The experimental facility of the gearbox fault detection
Figure 3. Time-domain waveform of the gear vibration signals: (a) toothless, (b) scratched,
Figure 5. (a) Mapping of results for small time scale by VMD-DFA. (b) Mapping of results for large time scale by VMD-DFA
Table 1. Classification results based on VMD-DFA and STS-DFA method.

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