Fig. 4
From: Air gap eccentric analysis and fault detection of traction motor
Center frequency plot of each component at different values under the same value: a \(K{ = }3\), \(\alpha { = }100\); b \(K{ = }3\), \(\alpha { = }200\); c \(K{ = }3\), \(\alpha { = }400\); d \(K{ = }3\), \(\alpha { = }800\); e \(K{ = }3\), \(\alpha { = }1600\); f \(K{ = }3\), \(\alpha { = }3200\); g \(K{ = }3\), \(\alpha { = }6400\); h \(K{ = }3\), \(\alpha { = }12800\)