Mathematical Problems in Engineering / 2014 / Article / Fig 4

Research Article

Rolling Bearing Fault Diagnosis under Variable Conditions Using Hilbert-Huang Transform and Singular Value Decomposition

Figure 4

Hilbert spectra of (a) normal, (b) inner-race fault, (c) outer-race fault, and (d) rolling element fault.
765621.fig.004a
(a)
765621.fig.004b
(b)
765621.fig.004c
(c)
765621.fig.004d
(d)