Bulletin of the American Physical Society
APS March Meeting 2022
Volume 67, Number 3
Monday–Friday, March 14–18, 2022; Chicago
Session B20: DSOFT Prize Session: Emergent Mechanics of Active, Robotic, and Living Materials I
11:30 AM–2:18 PM,
Monday, March 14, 2022
Room: McCormick Place W-185BC
Sponsoring
Units:
DSOFT GSNP
Chair: Corentin Coulais, University of Amsterdam
Abstract: B20.00002 : Emergence, dynamics and control of topological defects in odd robotic matter
12:06 PM–12:18 PM
Presenter:
Jonas Veenstra
(University of Amsterdam)
Author:
Jonas Veenstra
(University of Amsterdam)
Collaboration:
Coulais lab
In particular, odd elastic materials — materials in which both energy conservation and chiral symmetry are broken — can be constructed by considering Hookean springs with restoring forces which depend on the actuation direction. Starting from simple building blocks made from robotic units equipped with sensors and actuators, I show that odd robotic metamaterials feature self sustained work cycles that give rise to unidirectional waves and topological defect dynamics. Through smart choices of geometry and topology, these systems of distributed engines can be leveraged to power impact control and locomotion. More generally, they represent an ideal platform to study, engineer and control the emergent properties of active systems, facilitating the development of autonomous smart materials, topological sensors and noise suppression schemes.
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