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Nonlinear Suboptimal Guidance Law with Impact Angle Constraint: an SDRE-Based Approach
IEEE Transactions on Aerospace and Electronic Systems ( IF 4.4 ) Pub Date : 2020-12-01 , DOI: 10.1109/taes.2020.3003105
Chunyan Wang , Wei Dong , Jianan Wang , Jiayuan Shan

In this article, a guidance law with impact angle constraint is developed using the state-dependent Riccati equation (SDRE) technique. First, the nonlinear guidance dynamics consisting of line-of-sight (LOS) angle rate and error is formulated under a planar engagement scenario. After the state-dependent coefficient parameterization, a nonlinear regulator problem is formed to concurrently zero LOS angle rate and error. Second, a preliminary guidance law is directly developed under the framework of the SDRE technique. By applying the Lyapunov stability analysis, a nonlinear suboptimal guidance law is obtained through further parameter modifications. Then, the proposed guidance law is extended to attack maneuvering targets. Finally, the effectiveness of the proposed guidance law is demonstrated through numerical simulations.

中文翻译:

具有冲击角约束的非线性次优制导律:一种基于 SDRE 的方法

在本文中,使用状态相关的 Riccati 方程 (SDRE) 技术开发了具有撞击角约束的制导律。首先,由视线 (LOS) 角速率和误差组成的非线性制导动力学是在平面交战场景下制定的。状态相关系数参数化后,形成非线性调节器问题,同时使 LOS 角速率和误差为零。其次,在SDRE技术的框架下直接制定了初步的指导规律。通过应用李雅普诺夫稳定性分析,通过进一步的参数修改得到非线性次优制导律。然后,将所提出的制导律扩展到攻击机动目标。最后,通过数值模拟证明了所提出的制导律的有效性。
更新日期:2020-12-01
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