Mathematical Problems in Engineering / 2014 / Article / Tab 2

Research Article

A Fault Diagnosis Method for Rotating Machinery Based on PCA and Morlet Kernel SVM

Table 2

The states recognition rate of three different methods (recognition rate %).

States recognition methodsNormal state0.18 mm fault depth0.36 mm fault depth0.53 mm fault depth0.71 mm fault depth

Without PCA dimension reduction9161768381
Use the LTSA method dimension reduction9083908488
Use the LPP method dimension reduction96929898100
Use the PCA method dimension reduction100100100100100