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New distributed filtering methods enhance spacecraft navigation in cislunar space

By PulseAugur Editorial · [1 sources] ·

Researchers have developed and evaluated three consensus-based distributed filtering strategies for angles-only spacecraft navigation in cislunar space. These methods aim to estimate a target spacecraft's state using only line-of-sight measurements from multiple observer spacecraft, addressing challenges like communication constraints and single-point failures inherent in centralized systems. The approaches, including the Distributed Extended Kalman Filter, Information-Weighted Consensus Filter, and Kalman Consensus Filter, were compared against a centralized Extended Kalman Filter and independent local filters. Numerical simulations demonstrated that the distributed methods significantly enhance estimation accuracy compared to independent filters, with sensitivity analyses characterizing their robustness to limited consensus iterations and prior misalignment. AI

IMPACT These distributed filtering techniques could improve the autonomy and reliability of spacecraft navigation systems, particularly in challenging environments like cislunar space.

RANK_REASON The cluster contains an academic paper detailing new methods and simulation results. [lever_c_demoted from research: ic=1 ai=0.4]

Read on arXiv cs.MA (Multiagent) →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

New distributed filtering methods enhance spacecraft navigation in cislunar space

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The cluster contains an academic paper detailing new methods and simulation results. [lever_c_demoted from research: ic=1 ai=0.4]
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COVERAGE [1]

  1. arXiv cs.MA (Multiagent) TIER_1 English(EN) · Giordana Bucchioni ·

    Consensus-Based Distributed Filtering for Angles-Only Tracking in Cislunar Space

    This paper investigates consensus-based distributed filtering strategies for multi-observer angles-only navigation in the cislunar space. The objective is to estimate the inertial state of a target spacecraft using only line-of-sight measurements collected by a network of observe…

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