An Improved Rigid Multibody Model for the Dynamic Analysis of the Planetary Gearbox in a Wind Turbine

Figure 18

Waveform and spectrum of the vertical vibration acceleration of the ring of the first planetary stage: (a) and (c) mesh stiffness is constant; (b) and (d) mesh stiffness is time-varying.

(a)

(b)

(c)

(d)