Hydraulic Pump Fault Diagnosis Method Based on EWT Decomposition Denoising and Deep Learning on Cloud Platform

Table 4

Types and performance parameters of test components.

Num.	Component name	Component model	Component performance parameters
1	Motor	Y132M-4	Rated speed: 1480 rpm
2	Axial piston pump	MCY14-1B	Theoretical displacement: 10 ml/r, rated pressure: 31.5 MPa, 7 pistons
3	Data acquisition card	PCI-1747	Maximum sampling rate: 250kS/s
4	Vibration sensor	YD72D	Frequency range: 0.3 Hz–18 kHz
5	Pressure sensor	SYB-351	Measuring range: 0–25 MPa