Planetary Gearbox Vibration Signal Characteristics Analysis and Fault Diagnosis

Table 2

Time-domain statistic metrics of the normal and faulty signals.

Metric	Normal signal	Faulty signal
Root Mean Square (RMS)	0.5729	0.8820
Peak Value	3.1431	14.3611
Crest Factor	5.4861	16.2823
Kurtosis	3.4298	17.6152