Table 1.

Planetary gear transmission system parameters.

Name	Sun	Planet	Ring
Tooth number	28	36	100
Tooth width/mm	10	10	10
Modulus/mm	1	1	1
Pressure angle/°	20	20	20
Mass/kg	0.0356	0.0544	0.432
Moment of inertia/(kg·m2)	0.00047	0.00121	0.143