An origami-inspired, self-locking robotic arm that can be folded flat

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A foldable arm is one of the practical applications of folding. It can help mobile robots and unmanned aerial vehicles (UAVs) overcome access issues by allowing them to reach into confined spaces. The origami-inspired design enables a foldable structure to be lightweight, compact, and scalable while maintaining its kinematic behavior. However, the lack of structural stiffness has been a major limitation in the practical use of origami-inspired designs. Resolving this obstacle without losing the inherent advantages of origami is a challenge. We propose a solution by implementing a simple stiffening mechanism that uses an origami principle of perpendicular folding. The simplicity of the stiffening mechanism enables an actuation system to drive shape and stiffness changes with only a single electric motor. Our results show that this design was effective for a foldable arm and allowed a UAV to perform a variety of tasks in a confined space.
Publisher
AMER ASSOC ADVANCEMENT SCIENCE
Issue Date
2018-03
Language
English
Article Type
Article
Citation

SCIENCE ROBOTICS, v.3, no.16

ISSN
2470-9476
DOI
10.1126/scirobotics.aar2915
URI
http://hdl.handle.net/10203/287981
Appears in Collection
AE-Journal Papers(저널논문)
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