Research and Application of Data-Driven Modeling Method for Gear System Based on Time-Varying Characteristics

Table 1

Basic parameters of the gear system.

Parameters/Units	Driving gears	Driven gears
Gear numbers	20	47
Modules/mm	3
Pressure angle/(°)	20
Gear width/mm	20
Contact ratio	1.65
Elastic modulus (Pa)	2.06e^11
Poisson’s ratio	0.269
Supporting stiffness(N·m^−1)	3.5e^9
Supporting damping (Ns·m^−1)	48.6	61.6