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  4. Ori-Pixel, a Multi-DoFs Origami Pixel for Modular Reconfigurable Surfaces
 
research article

Ori-Pixel, a Multi-DoFs Origami Pixel for Modular Reconfigurable Surfaces

Salerno, Marco  
•
Paik, Jamie  
•
Mintchev, Stefano  
October 1, 2020
Ieee Robotics And Automation Letters

Reconfigurable surfaces using robotic pixels can produce discretize 3D contours, shapes and motion patterns. In existing devices, the rendering resolution and richness of shapes and patterns are limited by the use of linear pixels that only produce single DoF (only change their extrusion/ height). Challenges in designing compact yet modular mechanisms and scaling their manufacturing have limited the development of more complex but versatile multi-DoFs pixels. Utilizing an origami approach, we have designed, prototyped and controlled the Ori-Pixel, a 3-DoFs parallel robot that can control its height, pitch and roll angles. These additional DoFs allow rendering a greater variety of shapes and motion primitives, replicating curved contours more accurately, and manipulating objects smaller than the actual pixel size. The origami folding joint design, multi-layer manufacturing and control of the Ori-Pixel are discussed in the letter. The workspace, stiffness, power consumption and communication rate of the Ori-pixel are experimentally characterized and confirmed with a prototype platform. We also report Ori-Pixels applications in two case studies: (i) an interactive flag consisting of a 5 x 5 pixel matrix that reacts to users' gestures; (ii) a set of 33 Ori-Pixel to morph the surface of a concept car.

  • Details
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Type
research article
DOI
10.1109/LRA.2020.3028054
Web of Science ID

WOS:000577867300001

Author(s)
Salerno, Marco  
Paik, Jamie  
Mintchev, Stefano  
Date Issued

2020-10-01

Published in
Ieee Robotics And Automation Letters
Volume

5

Issue

4

Start page

6988

End page

6995

Subjects

Robotics

•

soft robot applications

•

distributed robot systems

•

reconfigurable surfaces

•

origami robots

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LCSO  
Available on Infoscience
October 29, 2020
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/172865
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