Research Article

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

Table 1

Computation complexity of methods.

ProcessGABGANBPSOSVMPCSVM

Signal processing (s)2.12.12.12.1

Pattern recognition (s)6.55.95.85.2

Total (s)8.687.97.3