arXiv:2605.21719cs.ROcs.SY2026-05

多机器人自适应覆盖,靠实时反馈动态调整采样位置。

Mind the Gaps: Multi-Robot Feedback-Driven Ergodic Coverage in Unknown Environments

论文配图:Mind the Gaps: Multi-Robot Feedback-Driven Ergodic Coverage in Unknown Environments
图 1 · 摘自论文原文
  • 用环境模型实时更新目标分布,指导机器人移动。
  • 在未知环境中提升覆盖率和资源利用效率。
  • 适合动态环境下的多机器人协同探测任务。

本文研究多机器人自适应覆盖问题,即机器人团队通过持续调整位置来动态采集环境数据。传统基于遍历性(ergodic)的搜索方法虽能优化轨迹,使其时间平均分布与环境信息分布一致,但通常依赖已知先验分布,在环境未知时表现不佳。为此,本文提出一种自适应覆盖策略,利用环境模型的实时反馈动态构建目标空间信息分布,并基于参数化模型在线更新。该方法假设环境静态或变化缓慢于机器人运动速度。实验表明,该框架使机器人能动态聚焦高价值区域,提升覆盖率与资源分配效率,为未知环境下多机器人协同探测提供有效控制策略。

原文摘要 · Abstract (English)

In this work, we address the problem of multi-robot adaptive coverage, where teams of robots perform dynamic sampling by continuously adjusting their positions to collect data in an environment. This task can be challenging, particularly when robots must be efficiently allocated to new sampling locations over time. Ergodic search methods optimize robot trajectories by ensuring that the robots' time-averaged spatial distribution aligns with the spatial distribution of environmental information. While these methods promote effective exploration provided a target distribution, they often fail to account for unknown prior distributions of the environment. To overcome this limitation, we propose an adaptive coverage strategy that utilizes real-time feedback from an environmental model to adjust robot sampling behavior in response to unknown conditions. Our approach enhances traditional ergodic trajectory optimization by constructing a target spatial information distribution based on parametric models of the environment, which are updated online. This strategy assumes that the environment is either static or changes slowly compared to the robot's motion. Our framework allows robots to dynamically prioritize regions of high interest, improving coverage efficiency, synthesizing effective control policies for individual agents, and optimizing resource use in settings with unknown prior distributions. We validate our approach through simulations, demonstrating its effectiveness in enhancing coverage and resource allocation.

多机器人自适应覆盖遍历性

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