Research Article

A Classification Algorithm of Fault Modes-Integrated LSSVM and PSO with Parameters’ Optimization of VMD

Figure 3

Broken line diagrams of instantaneous frequencies with different K values under various bearing conditions. (a) The changing curve of the K value under the normal state. (b) The changing curve of the K value with the worn state. (c) The changing curve of the K value with the internal crack. (d) The changing curve of the K value with the external state.
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