Distributed predefined-time robust adaptive control design for attitude consensus of multiple spacecraft

IF 2.8 3区地球科学 Q2 ASTRONOMY & ASTROPHYSICS

Advances in Space Research Pub Date : 2025-02-21 DOI:10.1016/j.asr.2025.02.042

Qijia Yao , Qing Li , Shumin Xie , Hadi Jahanshahi

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引用次数: 0

Abstract

This article investigates the distributed predefined-time attitude consensus of multiple rigid spacecraft under inertia uncertainties and external perturbations over directed communication topology. First, a distributed predefined-time observer is constructed for each follower spacecraft to estimate the virtual leader’s attitude, velocity, and acceleration. Then, based on the recovered information, a predefined-time nonsingular terminal sliding mode (NTSM) controller is developed for each follower spacecraft to fulfill the local attitude and velocity tracking. The predefined-time NTSM controller is strongly robust against uncertainties and perturbations but owns the undesirable chattering phenomena. To overcome such problem, an adaptive version of the predefined-time NTSM controller is carried out by incorporating with the parametric adaptation mechanism to identify the total disturbance. In this manner, the predefined-time adaptive NTSM controller has no chattering phenomenon and can maintain the high tracking accuracy simultaneously. Lastly, comparative simulations verify and highlight the main results.

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多航天器姿态一致性的分布式预定义时间鲁棒自适应控制设计

研究了定向通信拓扑下惯性不确定性和外部扰动下多刚体航天器的分布式预定时间姿态一致性问题。首先，为每个follower航天器构造一个分布式的预定义时间观测器来估计虚拟leader的姿态、速度和加速度；然后，基于恢复的信息，为每个跟踪航天器开发了预定义时间非奇异终端滑模（NTSM）控制器，以实现局部姿态和速度跟踪。预定义时间NTSM控制器对不确定性和扰动具有较强的鲁棒性，但存在不良的抖振现象。为了克服这一问题，提出了一种自适应的预定义时间NTSM控制器，并结合参数自适应机制来识别总扰动。这样，预定义时间自适应NTSM控制器就不会出现抖振现象，同时又能保持较高的跟踪精度。最后，通过对比仿真验证并强调了主要结果。

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

Advances in Space Research 地学天文-地球科学综合

CiteScore

5.20

自引率

11.50%

发文量

800

审稿时长

5.8 months

期刊介绍： The COSPAR publication Advances in Space Research (ASR) is an open journal covering all areas of space research including: space studies of the Earth''s surface, meteorology, climate, the Earth-Moon system, planets and small bodies of the solar system, upper atmospheres, ionospheres and magnetospheres of the Earth and planets including reference atmospheres, space plasmas in the solar system, astrophysics from space, materials sciences in space, fundamental physics in space, space debris, space weather, Earth observations of space phenomena, etc. NB: Please note that manuscripts related to life sciences as related to space are no more accepted for submission to Advances in Space Research. Such manuscripts should now be submitted to the new COSPAR Journal Life Sciences in Space Research (LSSR). All submissions are reviewed by two scientists in the field. COSPAR is an interdisciplinary scientific organization concerned with the progress of space research on an international scale. Operating under the rules of ICSU, COSPAR ignores political considerations and considers all questions solely from the scientific viewpoint.