Multisensor Fused Fault Diagnosis for Rotation Machinery Based on Supervised Second-Order Tensor Locality Preserving Projection and Weighted -Nearest Neighbor Classifier under Assembled Matrix Distance Metric

Figure 3

Test signals originating from the seven different sensors under the following conditions: (a) Norm, (b) C_G, (c) B_G, (d) W_P, (e) B_G_C_W_P, and (f) C_G_C_W_P.

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(b)

(c)

(d)

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(f)