Fault Diagnosis of Axial Piston Pump Based on Extreme-Point Symmetric Mode Decomposition and Random Forests

Figure 5

Multiclass confusion matrices in simulation verification. (a) Slight fault diagnosis based on RFs. (b) Slight fault diagnosis based on CART. (c) Slight fault diagnosis based on SVM. (d) Moderate fault diagnosis based on RFs. (e) Moderate fault diagnosis based on CART. (f) Moderate fault diagnosis based on SVM. (g) Severe fault diagnosis based on RFs. (h) Severe fault diagnosis based on CART. (i) Severe fault diagnosis based on SVM.

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