多反舰导弹协同轨迹成形制导律

G. Yang, Y. Fang, W. Ma, S. Zhu, W. Fu
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引用次数: 0

摘要

为了提高反舰导弹的协同攻击性能,提出了一种基于有限时间弹道形状的协同制导律。首先,在导弹航向角分段线性化的基础上建立了协同制导模型;然后,利用加权最优能量代价函数和Schwarz不等式推导出单弹弹道成形制导律。在此基础上,结合轨迹整形技术和有限时间理论,提出了一种有限时间TSCGL。理想的有限时间收敛性能可以保证同时攻击。通过改进的剩余时间估计方法,使其不依赖于小角度假设,放宽了导弹的发射条件。此外,本文提出的有限时间TSCGL可以通过能量管理获得更好的损伤性能。仿真结果验证了所提出的有限时间TSCGL算法的有效性和优越性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Cooperative trajectory shaping guidance law for multiple anti-ship missiles
To enhance the performance of anti-ship missiles cooperative attack, this paper proposes a finite-time trajectory shaping-based cooperative guidance law (TSCGL). Firstly, the cooperative guidance model is established on segmented linearisation of the missile’s heading angle. Then, a trajectory shaping guidance law for a single missile is derived by a weighted optimal energy cost function and Schwarz inequality. On this basis, a finite-time TSCGL is proposed combined with trajectory shaping technology and finite-time theory. The desirable finite-time convergence performance can ensure a simultaneous attack. Through an improved method of time-to-go estimation, it is independent of small-angle assumption and relaxes the launching conditions of the missiles. Additionally, the proposed finite-time TSCGL can achieve better damage performance through energy management. Finally, simulation results demonstrate the effectiveness and superiority of the proposed finite-time TSCGL.
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