Joint Feature and Model Selection for SVM Fault Diagnosis in Solid Oxide Fuel Cell Systems

Table 4

OA when two subsets of easy-to-measure residuals are adopted. The training set included a mixture of error magnitudes.

Control str.	Residual subset	Overall accuracy (OA)
		Test-set max. error			OAavg
		2%	4%	6%
Constant-voltage	2, 3, 4	0.87	0.78	0.70	0.78
	1, 2, 3, 4	0.97	0.89	0.82	0.89
Constant-current	2, 3, 4	0.83	0.83	0.79	0.82
	1, 2, 3, 4	0.90	0.82	0.74	0.82