Predefined-time attitude control for hypersonic morphing vehicles using morphing information-driven event

IF 5.8 1区工程技术 Q1 ENGINEERING, AEROSPACE

Aerospace Science and Technology Pub Date : 2025-10-03 DOI:10.1016/j.ast.2025.110940

Hao Zhang, Wenxing Fu

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引用次数: 0

Abstract

This research investigates the attitude control system design for hypersonic morphing vehicles (HMVs) subject to limited system resources. HMVs are always developed to perform cross-domain flights, which includes cross velocity-range and airspace segments. These conditions and complex flight environments lead to serious flight control issues: 1) fast attitude-tracking is required for HMVs; 2) HMVs are systems with limited system resources, demanding system resource preservation in the condition of high-performance tracking. Therefore, the following work is arranged to address the control issue. Firstly, a multivariable predefined-time control (PTC) system is developed for the HMV attitude system. A predefined-time command filter is constructed to avoid the “explosion of derivative” issue. With the help of the predefined-time control strategy, back-stepping control method, and the command filter, the ideal predefined-time controller is induced. Then, a morphing information-driven (MI-driven) event-triggering mechanism (ETM) is developed to save the system resources. For investigation, the Lyapunov theory is adopted to prove the stability, and several simulations validate the performance of the proposed control strategy. The contribution is summarized as follows: 1) fast attitude-tracking is ensured for HMVs by developing predefined-time controller; 2) the proposed ETM could actively utilize the morphing information to adjust the triggering policy, which is a distinctive development. It is emphasized that introducing the MI into the ETM could further preserve the system resource in continuous morphing stages.

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基于变形信息驱动事件的高超声速变形飞行器预定义时间姿态控制

研究了系统资源有限的高超声速变形飞行器的姿态控制系统设计。hmv一直被开发用于跨域飞行，包括跨速度范围和空域段。这些条件和复杂的飞行环境导致了严重的飞行控制问题：1)hmv需要快速的姿态跟踪；2) hmv是系统资源有限的系统，要求在高性能跟踪的条件下保持系统资源。因此，安排以下工作来解决控制问题。首先，针对HMV姿态系统开发了多变量预定义时间控制系统。为了避免“导数爆炸”问题，构造了一个预定义时间命令滤波器。利用预定义时间控制策略、反演控制方法和命令滤波器，推导出理想的预定义时间控制器。在此基础上，提出了一种可变形信息驱动的事件触发机制（ETM）来节省系统资源。为了进行研究，采用李雅普诺夫理论证明了该控制策略的稳定性，并通过仿真验证了所提控制策略的性能。主要贡献如下：1)通过开发预定义时间控制器，保证了hmv的快速姿态跟踪；2)提出的ETM可以主动利用变形信息调整触发策略，这是一个独特的发展。强调在ETM中引入MI可以进一步保护连续变形阶段的系统资源。

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.