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 5

Scatter plots of the vector-formed dimension reduction result based on different algorithms for the training sample set: (a) SSTLPP-AMDM and (b) STLPP.

(a)

(b)