A Fault Diagnosis Model for Rotating Machinery Using VWC and MSFLA-SVM Based on Vibration Signal Analysis

Table 1

Experiment environment parameters.

Content	Parameter	Value
Rotating machinery (vertical axial flow pump)	Rotating speed	960 r/min
	Flow rate	550 m^3/h
	Lift	3 m
	Impeller	4
Acceleration sensor (B&K 4321)	Type	Triaxial charge accelerometer
	Charge sensitivity	9.8 ± 2% pC/g
	Frequency range	0.1 to 12000 Hz
	Measuring range	500 g
Acquisition card (PXI 11158)	Sample frequency	100 to 100 kHz (set to 10 kHz)
	Input channel	8
	Range	±100 mV to ±10 V
	Precision	±0.1% FSR (DC)