Fault Diagnosis of Bearing by Utilizing LWT-SPSR-SVD-Based RVM with Binary Gravitational Search Algorithm

<div>The four LWCs’ reconstructed signals of one of the samples representing the normal state in the training samples. (a) Reconstructed signal of lifting wavelet coefficient 1, (b) reconstructed signal of lifting wavelet coefficient 2, (c) reconstructed signal of lifting wavelet coefficient 3, and (d) reconstructed signal of lifting wavelet coefficient 4.</div>

Shock and Vibration

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Figure 2

Figure 2: Fault Diagnosis of Bearing by Utilizing LWT-SPSR-SVD-Based RVM with Binary Gravitational Search Algorithm 