Data-Driven Approaches for Diagnosis of Incipient Faults in Cutting Arms of the Roadheader

Table 4

Performance comparison of methods.

Technique	Eigenvector dimension	Training time	Accuracy (%)	Rate of convergence	Precision
GAB	6	1	85	0.926	0.999
GANB	6	0.966	95	0.927	0.925
PSOSVM	6	0.942	75	0.998	0.903
PCSVM	3	0.903	100	1	1