A Method for Detecting Incipient Faults in Satellites Based on Dynamic Linear Discriminant Analysis

Table 2

Comparison of fault detection performance for three faults.

Evaluation index	IForest	OCSVM	KNN	LOF	HBOS		PCA + SPE	PCA + CI	Proposed method
FDR for (%)	85.75	41.61	91.57	91.8	83.63	90.27	45.39	90.00	88.66
FAR for (%)	5.37	5.31	6.07	6.49	5.96	5.68	5.61	5.64	4.95
F1 for	0.896	0.517	0.926	0.926	0.881	0.921	0.589	0.920	0.916
AUC for	0.964	0.791	0.977	0.976	0.957	0.978	0.804	0.978	0.976
FDR for (%)	5.80	45.07	6.49	6.76	6.19	5.65	6.11	5.94	99.47
FAR for (%)	5.37	5.13	5.85	6.34	5.71	5.10	5.87	5.75	4.86
F1 for	0.103	0.533	0.115	0.118	0.110	0.101	0.108	0.106	0.973
AUC for	0.511	0.794	0.522	0.516	0.509	0.507	0.537	0.517	0.998
FDR for (%)	5.42	59.44	6.40	6.74	5.81	5.53	6.90	6.84	99.96
FAR for (%)	5.48	5.37	5.92	6.14	5.79	5.40	5.70	5.54	5.07
F1 for	0.097	0.659	0.113	0.118	0.103	0.099	0.121	0.121	0.975
AUC for	0.506	0.856	0.522	0.514	0.503	0.500	0.560	0.523	1.000