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Pulse-driven robot: Motion via solitary waves

Bolei Deng 1 Liyuan Chen 1 Donglai Wei 1 Vincent Tournat 2 Katia Bertoldi 1, 3, 4 
1 SEAS - Harvard John A. Paulson School of Engineering and Applied Sciences
2 LAUM - Laboratoire d'Acoustique de l'Université du Mans
3 KIBST - Kavli Institute for Bionano Science & Technology [Harvard University]
4 Wyss Institute for Biologically Inspired Engineering [Harvard University]
Abstract : The unique properties of nonlinear waves have been recently exploited to enable a wide range of applications, including impact mitigation, asymmetric transmission, switching, and focusing. Here, we demonstrate that the propagation of nonlinear waves can be as well harnessed to make flexible structures crawl. By combining experimental and theoretical methods, we show that such pulse-driven locomotion reaches a maximum efficiency when the initiated pulses are solitons and that our simple machine can move on a wide range of surfaces and even steer. Our study expands the range of possible applications of nonlinear waves and demonstrates that they offer a new platform to make flexible machines to move.
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https://hal-univ-lemans.archives-ouvertes.fr/hal-02561875
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Soumis le : lundi 4 mai 2020 - 10:36:36
Dernière modification le : mercredi 11 mai 2022 - 10:00:05

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CNRS | UNIV-LEMANS | TDS-MACS | LAUM

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Bolei Deng, Liyuan Chen, Donglai Wei, Vincent Tournat, Katia Bertoldi. Pulse-driven robot: Motion via solitary waves. Science Advances , American Association for the Advancement of Science (AAAS), 2020, 6 (18), pp.eaaz1166. ⟨10.1126/sciadv.aaz1166⟩. ⟨hal-02561875⟩

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