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Design and Analysis of a Robust, Low-cost, Highly Articulated manipulator enabled by jamming of granular media
MIT.
MIT.
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2012 (English)In: Robotics and Automation (ICRA), 2012 IEEE International Conference on, 2012, 4328-4333 p.Conference paper, Published paper (Refereed)
Abstract [en]

Hyper-redundant manipulators can be fragile, expensive, and limited in their flexibility due to the distributed and bulky actuators that are typically used to achieve the precision and degrees of freedom (DOFs) required. Here, a manipulator is proposed that is robust, high-force, low-cost, and highly articulated without employing traditional actuators mounted at the manipulator joints. Rather, local tunable stiffness is coupled with off-board spooler motors and tension cables to achieve complex manipulator configurations. Tunable stiffness is achieved by reversible jamming of granular media, which - by applying a vacuum to enclosed grains - causes the grains to transition between solid-like states and liquid-like ones. Experimental studies were conducted to identify grains with high strength-to-weight performance. A prototype of the manipulator is presented with performance analysis, with emphasis on speed, strength, and articulation. This novel design for a manipulator - and use of jamming for robotic applications in general - could greatly benefit applications such as human-safe robotics and systems in which robots need to exhibit high flexibility to conform to their environments. © 2012 IEEE.

Place, publisher, year, edition, pages
2012. 4328-4333 p.
Series
IEEE International Conference on Robotics and Automation. Proceedings, ISSN 1050-4729
Keyword [en]
Jamming, Manipulators, Materials, Prototypes, Shape, Springs, manipulator dynamics, redundant manipulators, complex manipulator configurations, granular media jamming, highly articulated manipulator, human-safe robotics, hyper-redundant manipulators, local tunable stiffness, off-board spooler motors, reversible jamming, tension cables
National Category
Robotics
Identifiers
URN: urn:nbn:se:hh:diva-20836DOI: 10.1109/ICRA.2012.6225373ISI: 000309406704053Scopus ID: 2-s2.0-84864480971ISBN: 978-146731403-9 OAI: oai:DiVA.org:hh-20836DiVA: diva2:586697
Conference
ICRA2012
Available from: 2013-01-12 Created: 2013-01-12 Last updated: 2013-02-20Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf