变质心再入弹头螺旋机动突防弹道设计
收稿日期: 2015-06-19
修回日期: 2016-01-21
网络出版日期: 2016-01-26
基金资助
国家自然科学基金(61350010)
Spiral maneuver penetration trajectory for moving-mass reentry warhead
Received date: 2015-06-19
Revised date: 2016-01-21
Online published: 2016-01-26
Supported by
National Natural Science Foundation of China (61350010)
王林林 , 于剑桥 , 王亚飞 . 变质心再入弹头螺旋机动突防弹道设计[J]. 航空学报, 2016 , 37(5) : 1484 -1493 . DOI: 10.7527/S1000-6893.2016.0027
To improve the penetrability of moving-mass reentry warhead, an actively spiral maneuver trajectory is proposed. Dynamics model and missile-target kinematics model are established and analyzed by introducinga new variable and controlling the lateral position of moving-mass; the angle between the velocity vector and the line of sight vector is controlled at a desired value. Based on the above analysis, analytical solutions of spiral maneuver radius and root-mean-square miss distance are derived. Six-dimensional trajectory simulations demonstrate that the proposed approach is capable of achieving spiral maneuver. By adjusting the value of maneuver margin, the spiral maneuver and high precision can be achieved at the same time.
Key words： spiral maneuver; hypersonic vehicle; moving-mass control; penetration; reentry
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