Flight Trajectory simulation of Low Altitude Glide Maneuvering Missile using pitchturn rate and Impact Point estimation analytics

Dong-Wg Hong, Ju-Hyun Kim
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Abstract

Ballistic missiles have an elliptical ballistic trajectory and fall at high speed, so the defence system was able to predict the point of impact. In the paper, the trajectory of a low-altitude glide maneuver type ballistic missile was simulated by adjusting the flight path angle using the pitch turn rate for each flight stage and entering the desired glide altitude during fall. As a result of the analysis, the flight time was longer as the peak altitude was lower and shorter as the peak altitude was higher, which was judged to be because the higher the altitude, the higher the average speed. In addition, the root mean squre error for the impact point of the simulated trajectory and the prediction result of the impact point was obtained. As a result of the prediction, the rmse is more than tens of km, and it was found that it is difficult to predict the point of impact when the missile is in the glide section. The results of this study are expected to be used for threat assessment of ballistic missiles of various trajectories, and for judging and selecting the possibility of engagement of response systems in the future.
利用俯仰转弯率和撞击点估计分析法模拟低空滑翔操纵导弹的飞行轨迹
弹道导弹的弹道呈椭圆形,并以高速下落,因此防御系统能够预测弹着点。本文模拟了低空滑翔机动型弹道导弹的飞行轨迹,利用各飞行阶段的俯仰转弯率调整飞行轨迹角,并在下落过程中进入所需的滑翔高度。分析结果表明,峰值高度越低,飞行时间越长;峰值高度越高,飞行时间越短。此外,还得出了模拟轨迹撞击点的均方根误差和撞击点的预测结果。预测结果显示,均方根误差超过数十公里,并且发现当导弹处于滑翔段时,很难预测弹着点。这项研究的结果有望用于对不同弹道的弹道导弹进行威胁评估,并用于判断和选择未来应对系统交战的可能性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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