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arXiv 2409.20539cs.ROcs.SYeess.SY
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球形机器人的视觉集群行为

Visual collective behaviors on spherical robots

Aix Marseille Université(艾克斯-马赛大学);CNRS(法国国家科学研究中心);Centrale Med(中央理工-地中海);ISM(马赛海洋科学研究所);IRPHE(流体与环境力学研究所)

Diego Castro, Christophe Eloy, Franck Ruffier

AI总结:

针对传统集群运动研究假设个体全知感知的问题,本研究提出基于全景视觉的极简集群模型,通过机器人在环方法用10台球形机器人复现了聚集、回旋等多种集群行为,且仿真与物理实验表现高度一致,系统可扩展且易与传统模型对比。

摘要:

传统上,集群运动的实现忽略了个体有限的感知能力,转而假设个体对环境具备全知感知能力。本研究采用“机器人在环”方法实现了视觉集群模型,用10台独立球形机器人组成的集群复现了这些行为。该模型仅利用每台机器人的全景视觉信息(如邻近机器人的视网膜位置、光学尺寸和光流),即可实现机器人集群运动。我们引入了虚拟锚点来约束机器人集群的运动,以此避免与墙壁发生交互。一种简单的视觉机器人在环方法首次成功复现了多种集群运动阶段,尤其是聚集(swarming)和 milling( milling 集群回旋)阶段。该模型实现的另一项里程碑是弥合了仿真与物理实验之间的差距——在相同视觉模型下,两种环境中展现出的行为几乎完全一致。最后,我们证明这种极简视觉集群运动模型足以在机器人在环系统中复现大多数集群行为,该系统具备可扩展性,行为符合数值仿真预测,且易于与传统模型进行对比。

英文摘要:

The implementation of collective motion, traditionally, disregard the limited sensing capabilities of an individual, to instead assuming an omniscient perception of the environment. This study implements a visual flocking model in a ``robot-in-the-loop'' approach to reproduce these behaviors with a flock composed of 10 independent spherical robots. The model achieves robotic collective motion by only using panoramic visual information of each robot, such as retinal position, optical size and optic flow of the neighboring robots. We introduce a virtual anchor to confine the collective robotic movements so to avoid wall interactions. For the first time, a simple visual robot-in-the-loop approach succeed in reproducing several collective motion phases, in particular, swarming, and milling. Another milestone achieved with by this model is bridging the gap between simulation and physical experiments by demonstrating nearly identical behaviors in both environments with the same visual model. To conclude, we show that our minimal visual collective motion model is sufficient to recreate most collective behaviors on a robot-in-the-loop system that is scalable, behaves as numerical simulations predict and is easily comparable to traditional models.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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