折叠翼无人机火箭助推发射过程影响因素分析与仿真

Analysis and Simulation for Influence Factors of Rocket Booster Launching of Folding-Wing UAV

为深入分析无人机火箭助推发射过程,针对双发火箭在无人机机体上安装位置误差引起的额外力矩和无人机机翼展开时间对无人机飞行存在较大影响这一问题,本文建立无人机非线性模型和控制系统。采用变量法简单明确地进行分析,确定了安装位置误差的边界值和合适的机翼展开时间段。仿真结果表明,得到的边界值和展开时间段满足实际飞行要求。

To analyze the process of rocket booster launching of unmanned aerial vehicle（UAV）,an UAV nonlinear mathematical model and the flight control system are established aiming at the big flight influences of the additional moment acting on the body caused by the installation position error of two rockets and the time of spreading wings.The boundary value of installation position error and the appropriate spreading time are determined by using the variably method.The simulation results show that the obtained boundary value and the time meet the requirements of actual flight.