电光与控制, 2011, 18 (10): 24, 网络出版: 2011-10-13  

无人机单侧投弹干扰模型的建立与仿真

Establishment and Simulation of Disturbance Model for Missile Launching of UCAV
作者单位
空军工程大学工程学院,西安710038
摘要
无人驾驶飞机单侧弹射投弹时会产生干扰力矩,影响无人机稳定飞行。针对这个问题,对投弹后无人机恢复导弹发射前姿态的过程进行了分析,描述了投弹对无人机的干扰问题。以小扰动状态方程为基础,将干扰力矩作为输入,并在控制律优化设计后将自动驾驶仪控制律作为控制方程代入小扰动模型。在挂载导弹到机身距离较小的情况下,对投弹后无人机姿态角的变化进行了建模、仿真和结果分析。仿真结果表明,在单侧投放导弹后,无人机能够很好地稳定飞行姿态,控制无人机平台以投弹前航向继续稳定飞行,为第二枚导弹的顺利投放做准备。
Abstract
Disturbance moments may be generated when Unmanned Aerial Vehicle(UAV) launching a missile at one side,which may influence the security of UAV.To solve this problem,the process of UAV recovering to the original attitude after launching a missile was analyzed,and the disturbance of missile launching on UAV was described.On the basis of minidisturbance equation,the disturbance moments were taken as inputs and the optimized control law of autopilot as control equation.The change of UAVs attitude angle when the missile is close to airframe was modeled,simulated and analyzed.The result shows that the UAV can stabilize its attitude,keep flying steadily in the original direction,and make preparation for the second missiles launching.

封普文, 曹林平, 吴文超. 无人机单侧投弹干扰模型的建立与仿真[J]. 电光与控制, 2011, 18(10): 24. FENG Puwen, CAO Linping, WU Wenchao. Establishment and Simulation of Disturbance Model for Missile Launching of UCAV[J]. Electronics Optics & Control, 2011, 18(10): 24.

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