This paper for the first time presents an overconstrained spatial eight-bar linkage and its application to the synthesis of a group of Fulleroid-like deployable Platonic mechanisms. Structure of the proposed eight-bar linkage is introduced, and constrain and mobility of the linkage are revealed based on screw theory. Then by integrating the proposed eight-bar linkage into Platonic polyhedron bases, synthesis of a group of Fulleroid-like deployable Platonic mechanism is carried out and illustrated by the synthesis and construction of a Fulleroid-like deployable tetrahedral mechanism. Further, mobility of the Fulleroid-like deployable Platonic mechanisms is formulated via constraint matrices by following Kirchhoff’s circulation law for mechanical networks and kinematics of the mechanisms is presented with numerical simulations illustrating the intrinsic kinematic properties of the group of Fulleroid-like deployable Platonic mechanisms. Ultimately, a prototype of the Fulleroid-like deployable hexahedral mechanism is fabricated and tested verifying mobility and kinematic characteristics of the proposed deployable polyhedral mechanisms. This paper thus presents a novel overconstrained spatial eight-bar linkage and a new geometrically intuitive method for synthesizing Fulleroid-like regular deployable polyhedral mechanisms.
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ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
August 17–20, 2014
Buffalo, New York, USA
Conference Sponsors:
- Design Engineering Division
- Computers and Information in Engineering Division
ISBN:
978-0-7918-4637-7
PROCEEDINGS PAPER
An Overconstrained Eight-Bar Linkage and its Associated Fulleroid-Like Deployable Platonic Mechanisms
Guowu Wei,
Guowu Wei
King’s College London, University of London, London, UK
Search for other works by this author on:
Jian S. Dai
Jian S. Dai
Tianjin University, Tianjin, China
King’s College London, University of London, London, UK
Search for other works by this author on:
Guowu Wei
King’s College London, University of London, London, UK
Jian S. Dai
Tianjin University, Tianjin, China
King’s College London, University of London, London, UK
Paper No:
DETC2014-34499, V05BT08A005; 12 pages
Published Online:
January 13, 2015
Citation
Wei, G, & Dai, JS. "An Overconstrained Eight-Bar Linkage and its Associated Fulleroid-Like Deployable Platonic Mechanisms." Proceedings of the ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 5B: 38th Mechanisms and Robotics Conference. Buffalo, New York, USA. August 17–20, 2014. V05BT08A005. ASME. https://doi.org/10.1115/DETC2014-34499
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