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Table 3 Working conditions of the experiments

From: Crack Fault Classification for Planetary Gearbox Based on Feature Selection Technique and K-means Clustering Method

Dataset No.

Working conditions

Crack parameters

1

300 r/min, 0 Nm

Each dataset includes four types of health conditions: (1) normal conditions, (2) cracked sun gear (3.5 mm, 1 mm, 3.5 mm, 60°), (3) cracked planet gear (4 mm, 1 mm, 4 mm, 60°), and (4) cracked ring gear (6 mm, 1 mm, 4 mm, 80°)

2

300 r/min, 20 Nm

3

300 r/min, 40 Nm

4

300 r/min, 60 Nm

5

400 r/min, 0 Nm

6

400 r/min, 20 Nm

7

400 r/min, 40 Nm

8

400 r/min, 60 Nm