Eciton robotica: Design and Algorithms for an Adaptive Self-Assembling Soft Robot Collective

Melinda Malley, Bahar Haghighat, Lucie Houel, Radhika Nagpal

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

20 Citations (Scopus)

Abstract

Social insects successfully create bridges, rafts, nests and other structures out of their own bodies and do so with no centralized control system, simply by following local rules. For example, while traversing rough terrain, army ants (genus Eciton) build bridges which grow and dissolve in response to local traffic. Because these self-assembled structures incorporate smart, flexible materials (i.e. ant bodies) and emerge from local behavior, the bridges are adaptive and dynamic. With the goal of realizing robotic collectives with similar features, we designed a hardware system, Eciton robotica, consisting of flexible robots that can climb over each other to assemble compliant structures and communicate locally using vibration. In simulation, we demonstrate self-assembly of structures: using only local rules and information, robots build and dissolve bridges in response to local traffic and varying terrain. Unlike previous self-assembling robotic systems that focused on latticebased structures and predetermined shapes, our system takes a new approach where soft robots attach to create amorphous structures whose final self-assembled shape can adapt to the needs of the group.
Original languageEnglish
Title of host publication2020 IEEE International Conference on Robotics and Automation (ICRA)
PublisherIEEE
Pages4565-4571
Number of pages7
ISBN (Electronic)978-1-7281-7395-5
ISBN (Print)978-1-7281-7396-2
DOIs
Publication statusPublished - 31-Aug-2020
Externally publishedYes
Event2020 IEEE International Conference on Robotics and Automation (ICRA) - Paris, France
Duration: 31-May-202031-Aug-2020

Conference

Conference2020 IEEE International Conference on Robotics and Automation (ICRA)
Period31/05/202031/08/2020

Keywords

  • Robot sensing systems
  • Bridges
  • Grippers
  • Vibrations
  • Self-assembly
  • Hardware

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