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

Figure 3

Examples of different bearings and gear conditions and unbalanced shaft of the electric motor: (a) cracked gear tooth, (b) broken gear tooth, (c) unbalanced motor shaft, (d) outer-raceway fault by making hole, and (e) inner-raceway fault by inserting matter through the hole.

(a)

(b)

(c)

(d)

(e)