Shock and Vibration

Research Article

Predictive Modeling of a Two-Stage Gearbox towards Fault Detection

Table 1

Parameters used in dynamic gear model.
Degree-of-freedomMassStiffnessDamping
VariableValueUnitsVariableValueUnitsVariableValueUnits
1 7.51 × 10−3kg m2 247N m/rad 0.0926N s/rad
2 3.86 × 10−4kg m2      
3 2.69 × 10−3kg m2 39,900N m/rad 1.45N s/rad
4 4.18 × 10−4kg m2      
5 1.21 × 10−3kg m2 12,600N m/rad 0.507N s/rad
6 6.64 × 10−5kg m2      
7 and 8 0.743kg 3.50 × 107N/m 831N s/m
9 and 10 0.748kg 1.83 × 108N/m 0N s/m
11 and 12 0.643kg 3.50 × 107N/m 831N s/m
13 and 14 0.443kg 3.50 × 107N/m 831N s/m
15 and 16 1.466kg 2.43 × 108N/m 0N s/m
17 and 18 0.550 kg 1.32 × 108N/m 0N s/m
 2.43 × 108N/m 0N s/m
19 and 20 0.443kg 3.50 × 107N/m 831N s/m
21 and 22 0.651kg 3.50 × 107N/m 831N s/m
23 and 24 0.942kg 3.49 × 108N/m 0N s/m
25 and 26 0.648kg 3.50 × 107N/m 831N s/m