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

Table 2

Detection result.

Constant deviation error	PCA		InEnPCA		GAPPCA
		SPE		SPE		SPE
Misdiagnosis	12	9	8	8	12	13
Rate of misdiagnosis	0.015	0.011	0.010	0.010	0.015	0.016
Omissive judgement	199	81	134	62	75	0
Rate of omissive judgment	0.995	0.405	0.670	0.310	0.094	0