An origami-inspired spherical transformable metamaterial based on symmetry groups

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Abstract

Most currently existing mechanical metamaterial designs are based on Bravais lattices. These consist of parallelogram or parallelepiped unit cells, which are respectively translated along two or three independent vectors to fill the complete space. This approach is inherently unable to match curved surfaces like spheres, since these cannot be constructed only from parallel and perpendicular lines. In this paper, we introduce a generalized unit cell, based on the symmetry groups of the sphere. We use this approach to develop a spherical transformable origami-inspired metamaterial. We describe the motions of this new metamaterial, as well as experimental observations on a physical, 3D printed model.

Original languageEnglish
Title of host publicationProceedings of the IEEE 7th International Conference on Control, Mechatronics and Automation (ICCMA 2019)
Place of PublicationPiscataway, NJ, USA
PublisherIEEE
Pages295-298
ISBN (Electronic)978-1-7281-3787-2
DOIs
Publication statusPublished - 2019
Event7th IEEE International Conference on Control, Mechatronics and Automation, ICCMA 2019 - Delft, Netherlands
Duration: 6 Nov 20198 Nov 2019

Conference

Conference7th IEEE International Conference on Control, Mechatronics and Automation, ICCMA 2019
CountryNetherlands
CityDelft
Period6/11/198/11/19

Keywords

  • mechanical metamaterials
  • origami
  • periodic mechanisms
  • spherical symmetries

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