Condition Monitoring of Chain Sprocket Drive System Based on IoT Device and Convolutional Neural Network

Table 2

Signal analysis for vibration data measured by a sensor.

Mechanical source	Frequency (Hz)
Bearing 1 rolling	270
Gear 2 meshing harmonic	174
Gear 2 meshing	87
Vibration resonance of system	57
Bearing 2 rolling	37
Rotor vibration in electric motor	30
Impact at driver sprocket	18.27