微分对策制导规律与改进的比例导引制导规律性能比较

Performance comparison of differential game and improvement proporfional Navigation guidance Laws

本文根据现代战争敌我双方对抗格局 ,提出了防空导弹拦截高速大机动目标 ,采用微分对策强迫奇异摄动方法零阶组合反馈解析解制导规律。这种制导规律只需要导弹和目标的位置、状态变量和法向过载的测量量 ,易于弹上实时实现。为了证明该制导规律的良好性能 ,文中给出了另一种改进的比例导引制导规律 ,并以某防空导弹为研究背景 ,对两种制导规律的性能进行了比较。

Based on the modern war of the antagonism arrangement between enemy and ourselves,this paper derives a three dimensional guidance law of the differential game for air defence missile to intercept the target of high velocity and maneuver.The guidance law is formulated as analytical solution of the zero order composite feedback form by using the forced singular perturbation technigue.It requires only relative position?state variables and trajectory normal load factor measurements.This differenfial game guidance law abtained is easily for real fime on board implementation.To verify that the guidance law is well beheved.In this paper,another improvement proportional navigation guidance law also is presented,which is compared with the performance of the differential game guidance law.Simulations utilizing certain missile to intercept target as an example are performed.The results demonstrate that the differential game guidance law performance of the trajectory parameters is far superior to improving proportional navigation guidance law.