A torsional vibration model formulated by time varying mesh stiffness and composite gear errors was established to predict the dynamic characteristics of the encased differential gear train.

• 本文建立了封闭行星齿轮传动系统的扭振计算模型,模型中考虑了行星轮和星轮的啮合相位,行星架的弹性变形和负载惯性。