Identification of Vibration Signal for Residual Pressure Utilization Hydraulic Unit Using MRFO-BP Neural Network

Table 2

Classification of experimental data.

Measuring point position	Unit	Experimental point	Direction	Category label
Generator	1# unit	1	X	1
		2	Y
	3# unit	1	X	2
		2	Y
	4# unit	1	X	3
		2	Y
Inlet	1# unit	3	X	1
		4	Y
	3# unit	3	X	2
		4	Y
	4# unit	3	X	3
		4	Y
Middle of the spiral casing	1# unit	5	X	1
		6	Y
	3# unit	5	X	2
		6	Y
	4# unit	5	X	3
		6	Y
Tail of the spiral casing	1# unit	7	X	1
		8	Y
	3# unit	7	X	2
		8	Y
	4# unit	7	X	3
		8	Y
Outlet	1# unit	9	X	1
		10	Y
	3# unit	9	X	2
		10	Y
	4# unit	9	X	3
		10	T