Research Article

A Bearing Fault Diagnosis Using a Support Vector Machine Optimised by the Self-Regulating Particle Swarm

Table 2

Energy entropy at 1750 .

Fault locationFault markFeature numberEnergy entropy at 1750
E1/EE2/EE3/EE4/EE5/EE6/E

Inner ring110.00080.07630.15230.03550.01090.0027
120.00070.07850.14750.03380.01050.0038
130.00060.07270.13290.04120.00960.0046
140.00060.07270.13990.02740.01300.0044
150.00100.11080.15030.08370.01820.0090

Outer ring210.00260.17090.20520.08090.01110.0024
220.00330.16960.23490.05890.02020.0116
230.00290.20070.19560.06160.02190.0118
240.00500.23800.21870.15100.04450.0118
250.00270.19260.20020.04650.01430.0063

Ball310.02330.42090.28110.17230.09380.0065
320.01760.38600.28910.10740.09650.0121
330.01580.37360.26280.18480.11410.0233
340.01840.39910.25350.16410.09820.0197
350.01650.36940.30370.12830.08140.0314