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

Table 1

Specific information of seven sensors.

Number of sensor	Type of sensor	Location	Direction
1#	Displacement	Input shaft	X
2#	Displacement	Input shaft	Y
3#	Accelerometer	Bearing housing of input shaft in the side of motor	Y
4#	Accelerometer	Bearing housing of output shaft in the side of motor	Y
5#	Accelerometer	Bearing housing of input shaft in the side of load	Y
6#	Accelerometer	Bearing housing of output shaft in the side of load	Y
7#	Accelerometer	Bearing housing of output shaft in the side of load	X