基于状态观测器的领导-随从策略三维鲁棒规定时间协同制导:带冲击角控制的同步攻击。

Sayed Bagher Fazeliasl, Seyyed Sajjad Moosapour, Saleh Mobayen
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引用次数: 0

摘要

提出了一种鲁棒的前导-从动拦截弹规定时间协同制导(PTCG)方法,实现了在满足冲击角约束的前提下对三维空间机动目标的同时攻击。现有的方法,如固定时间和有限时间方法,由于它们依赖于控制参数,无法任意预定义收敛时间和估计系统在期望时间的状态。这种限制降低了它们在复杂作战场景中的应用灵活性,例如对具有特定约束的机动目标的同时攻击。为了解决这一限制,首先为名义非线性多智能体系统设计了一个鲁棒的规定时间共识控制(PTCC)。随后,引入了一个规定时间状态观测器(PTSO)来导出先导状态。最后,在对视距框架内的相对运动方程进行建模后,利用所提出的PTSO和PTCC方法以及先进滑模控制(SMC),给出了视距方向和垂直于视距方向的鲁棒制导律。这些规律保证了领导者和追随者在规定的时间内以期望的冲击角度同时攻击机动目标。仿真对比和实验结果验证了所设计制导律的有效性和有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Three-dimensional robust prescribed-time cooperative guidance for leader-follower strategy based on state observer: Simultaneous attack with impact angle control.

This paper proposes a robust Prescribed-Time Cooperative Guidance (PTCG) method for leader-follower interceptors, enabling simultaneous attacks on maneuvering targets in Three-Dimensional (3D) space while satisfying impact angle constraint. Existing methods, such as fixed-time and finite-time approaches, due to their dependence on control parameters, are unable to arbitrarily predefine the convergence time and estimate the system states at a desired time. This limitation reduces their flexibility for application in complex operational scenarios, such as simultaneous attacks on maneuvering targets with specific constraints. To address this limitation, a robust Prescribed-Time Consensus Control (PTCC) is first designed for nominal nonlinear Multi-Agent Systems. Subsequently, a Prescribed-Time State Observer (PTSO) is introduced to derive leader states. Finally, after modeling the relative motion equations within the Line-Of-Sight (LOS) framework, using the proposed PTSO and PTCC approaches, and advanced Sliding Mode Control (SMC), robust guidance laws are presented in the LOS direction and perpendicular to it. These laws ensure that leader and followers simultaneously attack the maneuvering target at the prescribed-time with desired impact angles. Comparative simulations and experimental results validate the efficiency and effectiveness of the designed guidance laws.

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