Information-Driven Fault Detection and Identification for Multi-Agent Spacecraft Systems: Collaborative On-Orbit Inspection Mission

• URL: http://arxiv.org/abs/2511.08752v1
• Date: Thu, 13 Nov 2025 01:05:32 GMT
• Title: Information-Driven Fault Detection and Identification for Multi-Agent Spacecraft Systems: Collaborative On-Orbit Inspection Mission
• Authors: Akshita Gupta, Arna Bhardwaj, Yashwanth Kumar Nakka, Changrak Choi, Amir Rahmani,
• Abstract summary: This work presents a global-to-local, task-aware fault detection and identification framework for collaborative inspection missions in low Earth orbit.<n>Fault detection is achieved through comparisons between expected and observed task metrics.<n>High-order cost-gradient measures enable the identification of faults among sensors, actuators, and state estimators.
• Score: 1.9619984051233332
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: This work presents a global-to-local, task-aware fault detection and identification (FDI) framework for multi-spacecraft systems conducting collaborative inspection missions in low Earth orbit. The inspection task is represented by a global information-driven cost functional that integrates the sensor model, spacecraft poses, and mission-level information-gain objectives. This formulation links guidance, control, and FDI by using the same cost function to drive both global task allocation and local sensing or motion decisions. Fault detection is achieved through comparisons between expected and observed task metrics, while higher-order cost-gradient measures enable the identification of faults among sensors, actuators, and state estimators. An adaptive thresholding mechanism captures the time-varying inspection geometry and dynamic mission conditions. Simulation results for representative multi-spacecraft inspection scenarios demonstrate the reliability of fault localization and classification under uncertainty, providing a unified, information-driven foundation for resilient autonomous inspection architectures.

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