Event-triggered three-dimensional adaptive anti-disturbance IGC method for a class of flight vehicles

IF 5 1区工程技术 Q1 ENGINEERING, AEROSPACE

Aerospace Science and Technology Pub Date : 2025-04-23 DOI:10.1016/j.ast.2025.110233

Zheng Wang , Yanghong Qiu , Yuting Hao , Yunfei Bai , Likuan Qiu , Gaopeng Zhang

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引用次数: 0

Abstract

This paper presents a novel event-triggered three-dimensional integrated guidance and control (IGC) methodology for flight vehicles, designed to address unmodeled dynamic disturbances and stringent state constraints. A hyperbolic tangent function is used to estimate the bounds of unmodeled disturbances, effectively managing time-varying and multi-source uncertainties. To enforce state constraints, the IGC model is augmented with a defined set of admissible states and incorporates a nonlinear transformation function, thus establishing a state-constrained integrated guidance and control (SCIGC) model. Event-triggered criteria are then developed to reduce the update rate of control commands, and the stability of the proposed event-triggered guidance and control methodology is rigorously analyzed. Additionally, it is demonstrated that the proposed event-triggered method avoids Zeno behavior. To prevent instability and numerical issues arising from the differentiation of virtual controllers, a low-pass filter is introduced. Finally, the efficacy of the proposed method is validated through Lyapunov functions and its capability to intercept tactical ballistic targets is confirmed by numerical simulations.

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一类飞行器的事件触发三维自适应抗干扰IGC方法

本文提出了一种新的事件触发的飞行器三维综合制导与控制（IGC）方法，旨在解决未建模的动态干扰和严格的状态约束。双曲正切函数用于估计未建模干扰的边界，有效地管理时变和多源不确定性。为了加强状态约束，IGC模型扩充了一组已定义的允许状态，并引入了一个非线性变换函数，从而建立了一个状态约束的集成制导与控制（SCIGC）模型。为了降低控制命令的更新速度，提出了事件触发准则，并严格分析了所提出的事件触发制导和控制方法的稳定性。此外，还证明了所提出的事件触发方法可以避免芝诺行为。为了防止由于虚拟控制器的差异而引起的不稳定性和数值问题，引入了低通滤波器。最后，通过李雅普诺夫函数验证了该方法的有效性，并通过数值仿真验证了该方法拦截战术弹道目标的能力。

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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来源期刊

Aerospace Science and Technology 工程技术-工程：宇航

CiteScore

10.30

自引率

28.60%

发文量

654

审稿时长

54 days

期刊介绍： Aerospace Science and Technology publishes articles of outstanding scientific quality. Each article is reviewed by two referees. The journal welcomes papers from a wide range of countries. This journal publishes original papers, review articles and short communications related to all fields of aerospace research, fundamental and applied, potential applications of which are clearly related to: • The design and the manufacture of aircraft, helicopters, missiles, launchers and satellites • The control of their environment • The study of various systems they are involved in, as supports or as targets. Authors are invited to submit papers on new advances in the following topics to aerospace applications: • Fluid dynamics • Energetics and propulsion • Materials and structures • Flight mechanics • Navigation, guidance and control • Acoustics • Optics • Electromagnetism and radar • Signal and image processing • Information processing • Data fusion • Decision aid • Human behaviour • Robotics and intelligent systems • Complex system engineering. Etc.