Visual collective behaviors on spherical robots
Diego Castro, Christophe Eloy, Franck Ruffier

TL;DR
This paper demonstrates that a simple visual model using panoramic information enables spherical robots to exhibit complex collective behaviors like swarming and milling, bridging simulation and real-world experiments.
Contribution
It introduces a novel visual flocking model for spherical robots that reproduces multiple collective behaviors using only panoramic visual cues.
Findings
Successful implementation of visual flocking with 10 robots
Reproduction of swarming and milling behaviors
Close match between simulation and physical experiments
Abstract
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…
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Taxonomy
TopicsAdvanced Vision and Imaging · Robotics and Sensor-Based Localization · Gaze Tracking and Assistive Technology
