Mathematical Problems in Engineering / 2018 / Article / Fig 20

Research Article

Compound Fault Diagnosis of Bearings Using an Improved Spectral Kurtosis by MCDK

Figure 20

The fast spectral kurtosis analysis of signals after MCKD.
(a) The spectral kurtosis of outer ring fault
(b) The envelope spectrum after FSK filtering
(c) The spectral kurtosis of inner ring fault
(d) The envelope spectrum after FSK filtering