The equations of motion with periodic coefficients for rotor/tower system are derived,and the method for analyzing the aeroelastic stability is developed.

• 建立了大型水平轴风轮转子／塔架耦合系统的气动弹性模型，推导了转子／塔架耦合系统周期系数运动方程，给出了气动弹性稳定性分析方法。