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弹道学报  2015 

带末端角度约束的多导弹协同制导律设计

Keywords: 机动目标,时间协同制导,末端角度约束,滑模变结构控制,状态观测器

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Abstract:

为了实现饱和攻击与饱和防御,提出了一种针对机动目标的多导弹协同制导律。建立了视线坐标系下的弹目相对运动数学模型,设计了三阶扩张状态观测器,对目标机动加速度项和运动方程中的耦合项进行观测与跟踪。在导弹飞行前段,基于滑模变结构理论设计了攻击时间可控的多导弹时间协同制导律;在导弹攻击末段,基于有限时间控制理论设计了满足终端角度约束的制导律,给出了导引律切换条件。仿真结果表明:该复合导引律能够使多枚导弹在满足攻击末端角度约束的条件下实现攻击时间协同;该制导律采用完备的空空导弹轨迹控制系统进行仿真,能够满足实际工程应用的要求。

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