Journal
SCIENCE
Volume 345, Issue 6197, Pages 644-646Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1252610
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Funding
- NSF [CCF-1138967, EFRI-1240383]
- Wyss Institute for Biologically Inspired Research
- Air Force Office of Scientific Research, National Defense Science and Engineering Graduate (NDSEG) Fellowship [32 CFR 168a]
- Direct For Computer & Info Scie & Enginr
- Division Of Computer and Network Systems [1138967] Funding Source: National Science Foundation
- Direct For Computer & Info Scie & Enginr
- Division of Computing and Communication Foundations [1161626] Funding Source: National Science Foundation
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Origami can turn a sheet of paper into complex three-dimensional shapes, and similar folding techniques can produce structures and mechanisms. To demonstrate the application of these techniques to the fabrication of machines, we developed a crawling robot that folds itself. The robot starts as a flat sheet with embedded electronics, and transforms autonomously into a functional machine. To accomplish this, we developed shape-memory composites that fold themselves along embedded hinges. We used these composites to recreate fundamental folded patterns, derived from computational origami, that can be extrapolated to a wide range of geometries and mechanisms. This origami-inspired robot can fold itself in 4 minutes and walk away without human intervention, demonstrating the potential both for complex self-folding machines and autonomous, self-controlled assembly.
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