Crack Fault Diagnosis and Location Method for a Dual-Disk Hollow Shaft Rotor System Based on the Radial Basis Function Network and Pattern Recognition Neural Network

Chinese Journal of Mechanical Engineering

Table 3 Part of the data used to validate and test the RBF network

Λ	c_p	First critical speed (rad/s)	First critical speed amplitude (log)	First subcritical speed (rad/s)	First subcritical speed amplitude (log)
0.5740	4	820	−5.4097	410	−7.8359
0.3204	6	821	−5.4837	411	−8.0734
0.3889	15	820	−5.4652	410	−7.9463
0.5191	10	813	−5.0707	406	−7.7704
0.32279	5	822	−5.4847	411	−8.0861
0.3319	8	820	−5.4774	410	−8.0090
0.3450	14	820	−5.4742	410	−7.9882
0.3488	3	823	−5.4874	412	−8.0571
0.3512	5	822	−5.4925	411	−8.0536
0.3536	9	819	−5.4659	409	−7.9957