Composite Fault Diagnosis for Rotating Machinery of Large Units Based on Evidence Theory and Multi-Information Fusion

Figure 6

Different faults and the distribution of five dimensionless indexes based on k values; Sf: waveform index. If: impulse index. CLf: margin index. Cf: peak index. Kv: kurtosis index. (a) Fault sample 1. (b) Fault sample 2. (c) Fault sample 3. (d) Fault sample 4. (e) Fault sample 5. (f) Fault sample 6.

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