TL;DR
This paper reviews emerging on-orbit space AI techniques, focusing on federated learning, multi-agent algorithms, and collaborative sensing for satellite constellations, addressing unique challenges like dynamic connectivity and safety constraints.
Contribution
It consolidates the field of on-orbit space AI, providing a system-level taxonomy and highlighting three key paradigms for constellation-scale autonomy.
Findings
Unified taxonomy of collaboration architectures and trust models.
Survey of federated learning, multi-agent algorithms, and collaborative sensing methods.
Curated resources and ongoing community support at https://github.com/ziyangwang007/AI4Space.
Abstract
Satellite constellations are transforming space systems from isolated spacecraft into networked, software-defined platforms capable of on-orbit perception, decision making, and adaptation. Yet much of the existing AI studies remains centered on single-satellite inference, while constellation-scale autonomy introduces fundamentally new algorithmic requirements: learning and coordination under dynamic inter-satellite connectivity, strict SWaP-C limits, radiation-induced faults, non-IID data, concept drift, and safety-critical operational constraints. This survey consolidates the emerging field of on-orbit space AI through three complementary paradigms: (i) {federated learning} for cross-satellite training, personalization, and secure aggregation; (ii) {multi-agent algorithms} for cooperative planning, resource allocation, scheduling, formation control, and collision avoidance; and (iii)…
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