Predicting Slurry Pressure Balance with a Long Short-Term Memory Recurrent Neural Network in Difficult Ground Condition

Table 1

Statistics of output and input PLC data.

PLC parameter	Unit	Mean	Max.	Min.	Std.
SPE (output)	kPa	172.09	493.30	0	44.28
SPW (input)	kPa	176.25	489.30	0	28.99
AR (input)	mm/min	4.01	50	0	8.83
TOR (input)	MN·m	0.52	5.44	0	0.93
RS (input)	rpm	0.39	2.07	0	0.55
THR (input)	MN	9.49	27.96	0.02	5.93
FFR (input)	m^3/h	327.70	1482.73	0	352.73
RFR (input)	m^3/h	337.51	1428.82	0	365.90
FSD (input)	g/cm^3	1.12	1.41	0	0.06