航天器多故障下仍能稳定控制，确保安全导航与退役。
Fault-tolerant Model Predictive Control for Spacecraft
- 基于模型预测控制，在多执行器故障时仍可稳定轨迹与姿态
- 保证闭环渐近稳定且递归可行，故障后仍能持续控制
- 在真实平台ATMOS上验证，适用于卫星长期运行与安全退役
鉴于卫星星座的成本高昂及关键功能，保障任务寿命与安全退役对太空可持续性至关重要。本文提出一种适用于航天器在多重执行器故障下的模型预测控制方法，用于轨道与设定点的稳定控制。所提方案可高效实现故障航天器的控制，确保其安全导航至维修位置或避碰轨迹。该方案保证闭环渐近稳定，并具有递归可行性。通过开源数值结果和基于ATMOS平台的真实实验，验证了其有效性。
原文摘要 · Abstract (English)
Given the cost and critical functions of satellite constellations, ensuring mission longevity and safe decommissioning is essential for space sustainability. This article presents a Model Predictive Control for spacecraft trajectory and setpoint stabilization under multiple actuation failures. The proposed solution allows us to efficiently control the faulty spacecraft enabling safe navigation towards servicing or collision-free trajectories. The proposed scheme ensures closed-loop asymptotic stability and is shown to be recursively feasible. We demonstrate its efficacy through open-source numerical results and realistic experiments using the ATMOS platform.
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