Fault Diagnosis Method Based on Gap Metric Data Preprocessing and Principal Component Analysis

Table 1

Detection result.

Constant deviation error	PCA		InEnPCA		GAPPCA
		SPE		SPE		SPE
Misdiagnosis	8	7	7	8	16	8
Rate of misdiagnosis	0.010	0.009	0.009	0.010	0.020	0.010
Omissive judgement	54	0	66	0	8	0
Rate of omissive judgment	0.270	0	0.330	0	0.040	0