基于弹道超实时仿真的多弹协同制导研究

Research on Cooperative Guidance Law of Multi-Missile Based on Trajectory Super-Real Time Simulation

在导弹速度不可控的情况下进行多弹时间协同制导具有很大难度。弹道实时仿真方法能准确估计剩余飞行时间,并预测弹道信息。基于此,本文建立了水平面控制过载与各导弹飞行时间误差之间的闭环控制,进而使所有导弹的飞行时间趋于一致,实现攻击时间协同,另外设计了具有攻击角度约束的弹道成型制导律。对设计的制导律进行六自由度仿真验证,结果表明,以弹道超实时仿真为基础设计的多弹协同制导律能够保证多枚导弹同时以期望的攻击角度命中目标。

It is very difficult to conduct time cooperation guidance of multi-missile when the velocity of missile is uncontrollable.Based on the trajectory super real-time simulation method,which can gives out time-to-go exactly as well as future trajectory information,a closed-loop control system between the horizontal control overload and the flight time error of missiles is built.So that the flight time tends to be consistent and the cooperative impact time is realized.In addition,a trajectory shaping guidance law with impact angle constraints is designed.The designed guidance law is verified by 6-DOF simulation,and the results show that the multi-missile cooperative guidance law based on the super real-time trajectory simulation can guarantee that multi-missile hit the target with the desired impact angle simutaneously.