A Multirate Sensor Information Fusion Strategy for Multitask Fault Diagnosis Based on Convolutional Neural Network

Table 5

Hydraulic system sensors. CE, CP, and SE are virtual sensors.

Sensor	Physical quantity description	Unit	Sampling rate	Sensor signal length
PS1-6	Pressure	Bar	100 Hz	6000
EPS1	Motor power	W	100 Hz	6000
FS1-2	Volume flow	L/min	10 Hz	600
TS1-4	Temperature	°C	1 Hz	60
VS1	Vibration	mm/s	1 Hz	60
CE (virtual)	Cooling efficiency	%	1 Hz	60
CP (virtual)	Cooling power	kW	1 Hz	60
SE (virtual)	Efficiency factor	%	1 Hz	60