Dresden 2020 – wissenschaftliches Programm

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 88: Responsive and Adaptive Systems

CPP 88.8: Vortrag

Donnerstag, 19. März 2020, 11:15–11:30, ZEU 114

Untethered and ultrafast soft-bodied robots — •xu wang1, guoyong mao2, jin ge1, rico Illing1, michae drack2, gilbert santiago canon bermudez1, jurgen fassbender1, tobias kosub1, martin kaltenbrunner2, and denys makarov11Helmholtz-Zentrum Dresden - Rossendorf — 2Johannes Kepler University Linz

Soft robots have been developed to fulfil demands of better deformability and adaptability to a changing environment.[1-4] The use of magnetic fields is appealing for diverse application scenarios (e.g. environmental, biological, medical), where the benefits stem from their long-range penetration, easy accessibility, and controllability.[1-4] There are numerous demonstrations of magnetically triggered miniatured soft robots performing multimodal locomotion[3] and complex 3D actuations.[4]

Here, we present ultrathin (7-100 μm) and lightweight (1.2-2.4 g/cm3) soft robots that can be actuated in a small magnetic field of 2 mT reaching full actuation amplitude in 10 ms only. By programming the foils into different geometries, these soft robots are readily used for multifunctional motions with a magnetic coil or a permanent magnet, such as a quick fly gripper, and a complex non-linear cross-clapping mimicked motion.

1. Z. Ren et al., Nat. Commun. 10, 2703 (2019). 2. Y. Kim et al., Science Robotics 4, eaax7329 (2019). 3. W. Hu et al., Nature, 554, 81(2018) 4. Kim. Y, et al., Nature, 558, 274 (2018)

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