ORIGINAL RESEARCH article
Front. Robot. AI
Sec. Computational Intelligence in Robotics
Volume 12 - 2025 | doi: 10.3389/frobt.2025.1620898
This article is part of the Research TopicSynergizing Large Language Models and Computational Intelligence for Advanced Robotic SystemsView all articles
Prescribed-time event-triggered tracking control for rigid-body spacecraft system based on fully actuated system approach and extended state observer
Provisionally accepted
- College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China
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In this paper, a prescribed-time attitude tracking control problem is investigated for a rigid-body spacecraft system with external disturbances. Firstly, according to the fully actuated system approach, the rigid-body spacecraft attitude model is converted into a linear fully actuated model. Then, a prescribed-time extended state observer is constructed to estimate the disturbances. Furthermore , on the basis of the backstepping method and an event-triggered mechanism, a prescribed performance attitude tracking controller is designed. Based on the Lyapunov stability theory, the convergence of the extended state observer and the stability of the spacecraft control system are proven. Subsequently, the desired attitude can be tracked at the prescribed time under the designed controller. Finally, the simulation results are shown to demonstrate the effectiveness of the developed approach.
Keywords: Fully actuated system approach, Prescribed-time control, Extended state observer, Event-triggered mechanism, Attitude control
Received: 30 Apr 2025; Accepted: 16 Jun 2025.
Copyright: © 2025 Chen, Shao, Han and Wan. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Shuyi Shao, College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China
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