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弹道学报  2015 

基于成像点轨迹的末段修正弹控制策略

Keywords: 末段修正弹,脉冲修正,控制策略,激光半主动制导,制导律

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Abstract:

针对激光半主动末段修正弹的控制策略问题,提出了根据激光探测器上目标成像点运动轨迹确定控制策略的方法。根据实时测量的弹体滚转角,建立了弹体滚转解耦模型;分析了弹体滚转解耦后的目标成像点轨迹,得到脉冲发动机启控时机和点火相位角;通过六自由度弹道仿真,研究了某型末段修正弹在该控制策略下的修正效果。结果表明,采用文中修正策略后,脱靶量显著减小,圆概率误差从48.1m减小到14.6m,且对弹道偏差的侧向修正效果比纵向修正效果更好,对脉冲控制末修弹药的脉冲参数优化和导引律设计具有参考价值。

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