一种适用于红外制导弹药的变增益比例导引律

发布时间：2018-12-17 01:33

【摘要】：针对红外制导弹药在采用具有角度约束制导律时需要剩余飞行时间的问题,提出了一种不需要剩余飞行时间且可实现大落角攻击的变增益比例导引律。利用期望落角固定时中末段导航比与过载及目标视角约束的解析关系,建立导航比计算模型,解算出中、末段导航比及切换点位置;随后,对比研究了变增益比例导引律与弹道成型制导律的性能,并对其工程应用进行了分析研究。结果表明:变增益比例导引律在实现落角及位置约束的同时能满足视场角及过载约束,且相比于弹道成型制导律,其硬件资源需求更少。
[Abstract]:Aiming at the problem that the infrared guidance ammunition needs the residual flight time when adopting the guidance law with angle constraint, a variable gain proportional guidance law is proposed, which does not need the remaining flight time and can achieve large angle of fall attack. Based on the analytic relationship between mid-terminal navigation ratio and overload and target visual angle constraint when the expected angle of fall is fixed, the model of navigation ratio calculation is established, and the mid-end navigation ratio and the position of switching point are calculated. Then, the performance of variable gain proportional guidance law and trajectory shaping guidance law are compared, and its engineering application is analyzed. The results show that the variable gain proportional guidance law can satisfy the field of view angle and overload constraints as well as the drop angle and position constraints. Compared with the trajectory shaping guidance law, the hardware resource requirement of the law is less.
【作者单位】：北京理工大学宇航学院;中国人民解放军63961部队;北京机电工程研究所;
【基金】：北京理工大学基础研究基金(20130142017)
【分类号】：TJ765.3

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