Asymptotically Optimal Ergodic Coverage on Generalized Motion Fields

Fuente: arXiv
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Hauptverfasser: Hughes, Christian, Liu, Yilang, Lahrach, Yanis, Engdahl, Julia, Warren, Houston, Lee, Darrick, Ramos, Fabio, Miles, Travis, Abraham, Ian
Format: Preprint
Veröffentlicht: 2026
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author Hughes, Christian
Liu, Yilang
Lahrach, Yanis
Engdahl, Julia
Warren, Houston
Lee, Darrick
Ramos, Fabio
Miles, Travis
Abraham, Ian
author_facet Hughes, Christian
Liu, Yilang
Lahrach, Yanis
Engdahl, Julia
Warren, Houston
Lee, Darrick
Ramos, Fabio
Miles, Travis
Abraham, Ian
contents Autonomous robotic exploration in remote and extreme environments allows scientists to model complex transport phenomena and collective behaviors described by continuously deforming flow fields. Although these environments are naturally modeled as time-varying domains, most adaptive exploration methods assume static environments and fail to provide adequate coverage or satisfy any formal guarantees. This is especially the case in oceanography where autonomous underwater systems (UxS) have highly restrictive compute and payload requirements that necessitate path planning methods that yield robust data collection strategies in open-loop and underactuated settings. In this work, to address the aforementioned issues, we propose to formulate adaptive search as an ergodic coverage problem and investigate certifying coverage in the ergodic sense over evolving domains with flow-induced dynamics. We expand upon recent work demonstrating maximum mean discrepancy (MMD) as a functional ergodic metric, and derive a flow-adaptive formulation that explicitly accounts for domain evolution within the coverage objective. We show that this approach preserves ergodic coverage guarantees in ambient flows and enables effective exploration in under-actuated, and even open-loop planning settings by integrating environment dynamics. Experiments validate that our method generalizes to diverse spatiotemporal processes including ocean exploration, and tracking human and cattle movement. Physical experiments on aerial and legged robotic platforms validate our ability to obtain ergodic coverage in non-convex, flow-restricted environments while respecting robot dynamics.
format Preprint
id arxiv_https___arxiv_org_abs_2605_13442
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Asymptotically Optimal Ergodic Coverage on Generalized Motion Fields
Hughes, Christian
Liu, Yilang
Lahrach, Yanis
Engdahl, Julia
Warren, Houston
Lee, Darrick
Ramos, Fabio
Miles, Travis
Abraham, Ian
Robotics
Autonomous robotic exploration in remote and extreme environments allows scientists to model complex transport phenomena and collective behaviors described by continuously deforming flow fields. Although these environments are naturally modeled as time-varying domains, most adaptive exploration methods assume static environments and fail to provide adequate coverage or satisfy any formal guarantees. This is especially the case in oceanography where autonomous underwater systems (UxS) have highly restrictive compute and payload requirements that necessitate path planning methods that yield robust data collection strategies in open-loop and underactuated settings. In this work, to address the aforementioned issues, we propose to formulate adaptive search as an ergodic coverage problem and investigate certifying coverage in the ergodic sense over evolving domains with flow-induced dynamics. We expand upon recent work demonstrating maximum mean discrepancy (MMD) as a functional ergodic metric, and derive a flow-adaptive formulation that explicitly accounts for domain evolution within the coverage objective. We show that this approach preserves ergodic coverage guarantees in ambient flows and enables effective exploration in under-actuated, and even open-loop planning settings by integrating environment dynamics. Experiments validate that our method generalizes to diverse spatiotemporal processes including ocean exploration, and tracking human and cattle movement. Physical experiments on aerial and legged robotic platforms validate our ability to obtain ergodic coverage in non-convex, flow-restricted environments while respecting robot dynamics.
title Asymptotically Optimal Ergodic Coverage on Generalized Motion Fields
topic Robotics
url https://arxiv.org/abs/2605.13442