Fault Diagnosis of Nonlinear Analog Circuit Based on Generalized Frequency Response Function and LSSVM Classifier Fusion

Table 3

The fault recognition rate of RC circuit.

Fault number	Fault type	Recognition rate
		LSSVM fusion algorithm	Single LSSVM (polynomial kernel function)	Single LSSVM (Gaussian radial basis kernel function)
F0	Normal	93	91	86
F1	C increased	99	98	95
F2	C decreased	90	90	88
F3	R1 increased	100	100	96
F4	R1 decreased	100	100	100