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IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century


IASS Symposium 2016

SESSION: New Approaches, Materials & Construction Methods

Transformable and foldable plate structures

< Table of Contents for New Approaches, Materials & Construction Methods
  • Proceedings Name: IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century
  • ISSN: (Electronic Version) 2518-6582
  • Session: New Approaches, Materials & Construction Methods
  • Pages: 10
  • Title: Transformable and foldable plate structures
  • Author(s): Valentina Beatini
  • Keywords: assembly of spherical linkages, transformable-foldable plate structure, origami, corrugated surfaces, variable topology, multi-stable mechanism
Abstract
This is a study on a novel family of modular foldable plate mechanisms, characterized by being not only foldable but also transformable. The term transformable is used here to describe a mechanism that during motion, traces curvatures which differ not only in magnitude, but also in sign. Such behavior is obtained by integrating into a novel, symmetrical arrangement three 4R-linkages, composed by equal quadrangular and equal triangular plates. The mechanism moves with one degree of freedom from a fully flat folded configuration through unfolded ones, finally reaching a partially flat-folded state. The ability to invert curvature is a new achievement in the field of foldable plate structure, which extends their applicability from simply larger-smaller configurations to substantially different configurations and usages therefor.

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