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 2 Part of the data used to train 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)
0.4050	4	822	−5.4783	411	−8.0111
0.3086	10	820	−5.4808	410	−8.0141
0.3149	19	824	−5.5058	412	−8.1428
0.3384	20	825	−5.5032	412	−8.0971
0.3507	13	820	−5.5021	410	−7.9737
0.3919	11	817	−5.4271	409	−7.9061
0.4295	1	824	−5.4968	412	−7.9544
0.4328	3	823	−5.4879	411	−7.9721
0.4749	6	818	−5.3933	409	−7.8852
0.4947	17	821	−5.4587	411	−7.9143