摘要
伺服气动弹性问题是因非定常空气动力、结构弹性与飞行控制系统间的闭环耦合而引起的弹性飞行器新课题。首先,综述了飞行器伺服气动弹性相关问题;其次,考虑飞行器刚体模态与弹性模态的动态耦合,建立了弹性飞行器俯仰通道短周期运动模型;最后,通过编制软件对飞行器伺服气动弹性进行了仿真分析,并得出了相应的结论。
Aeroservoelasticity is a new subject for elastic aircraft,which mainly deals with the coupling effect of unsteady aerodynamics,structural dynamics and flight control system.First of all,aeroservoelasticity and some related problems has been stated.Second,considering the coupling effect of the rigid-body and elastic modes,the short-period dynamic model of the pitch loop has been theorized.Finally,aeroservoelastic analysis for a long and slender unmanned aircraft is simulated.
出处
《飞行力学》
CSCD
北大核心
2012年第3期233-237,共5页
Flight Dynamics
