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兵工学报  2011 

具有终端约束的线性二次型微分对策制导律

, PP. 1448-1455

Keywords: 飞行器控制、导航技术,末制导律,微分对策,碰撞约束

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Abstract:

?主要针对具有终端碰撞角度约束的线性二次型微分对策制导问题进行研究。首先,采用终端投影法定义零效脱靶量和零效碰撞角作为新的状态变量,实现了系统降阶;然后,基于零和微分对策原理,进行制导律的推导,并对导航增益、鞍点解的存在域和理想拦截性能进行了分析;最后,分别针对目标作常值机动和方波机动2种情况对系统性能进行了仿真。结果表明,当导弹具有足够的机动能力时,可满足较小的脱靶量和碰撞角误差要求,从而改善导弹杀伤性能。

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