Disturbance observer-based performance guaranteed fault-tolerant control for multi-spacecraft formation reconfiguration with collision avoidance

Qingxian Jia; Yule Gui; Yunhua WuChengxi Zhang

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Disturbance observer-based performance guaranteed fault-tolerant control for multi-spacecraft formation reconfiguration with collision avoidance

机译：Disturbance observer-based performance guaranteed fault-tolerant control for multi-spacecraft formation reconfiguration with collision avoidance

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摘要

In this study, the issue of the performance guaranteed fault-tolerant control for formation reconfiguration with collision avoidance in the multi-spacecraft system subjects to space perturbations and thruster faults is investigated. A new nonlinear iterative learning disturbance observer is constructed to accurately reconstruct the synthesized disturbance no matter it is time-varying or not. Then, an exponential artificial potential function with a simple structure and low computation requirement is designed to avoid collision between spacecrafts. A nonsingular terminal sliding mode fault-tolerant control method is explored to accomplish fault-tolerant formation reconfiguration with collision avoidance ability and prescribed robust performance. Finally, numerical simulations and comparisons are performed to validate the effectiveness and superiority of the proposed approaches.

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来源
《Aerospace science and technology》 |2023年第2期|108099.1-108099.13|共13页
作者
Qingxian Jia; Yule Gui; Yunhua WuChengxi Zhang;
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作者单位

College of Astronautics, Nanjing University of Aeronautics and Astronautics, 270016 Nanjing, China;

School of Internet of Things Engineering, Jiangnan University, 214122 Wuxi, China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
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关键词
Spacecraft formation flying; Disturbance observer; Artificial potential function; Collision avoidance; Performance guaranteed control; Fault-tolerant control;

Disturbance observer-based performance guaranteed fault-tolerant control for multi-spacecraft formation reconfiguration with collision avoidance

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