Fault Diagnosis of Planetary Gearbox Based on Motor Current Signal Analysis

Table 3

Fault diagnosis accuracy of test set 1.

Methods	Time domain			Frequency domain			Average (%)
	None (%)	SSA (%)	WPD (%)	None (%)	SSA (%)	WPD (%)
CNN	96.88	99.13	77.78	98.37	98.16	78.12	91.41
PCA-SVM	99.83	99.20	83.33	99.20	99.34	82.64	93.92
PCA-DT	80.73	67.08	53.12	94.13	89.24	64.58	74.81
PCA-RF	95.62	91.49	69.79	98.75	97.47	77.78	88.48
PCA-AdaBoost	99.41	96.94	73.61	99.76	99.24	86.46	92.57
Average	94.49	90.77	71.53	98.04	96.69	77.92