Research on Degradation State Recognition of Planetary Gear Based on Multiscale Information Dimension of SSD and CNN

Figure 7

The multiscale information dimension of normal planetary gear and different degradation states. (a) Normal planetary gear, (b) breakage level 1, (c) breakage level 2, (d) breakage level 3, (e) breakage level 4, (f) pitting level 1, (g) pitting level 2, (h) pitting level 3, and (i) pitting level 4.

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