Symmetry Adapted Analysis of the Hoberman Switch-Pitch Ball
| Author(s): |
Yao Chen
Simon Guest Patrick Fowler Jian Feng |
|---|---|
| Medium: | conference paper |
| Language(s): | English |
| Conference: | 35th Annual Symposium of IABSE / 52nd Annual Symposium of IASS / 6th International Conference on Space Structures: Taller, Longer, Lighter - Meeting growing demand with limited resources, London, United Kingdom, September 2011 |
| Published in: | IABSE-IASS 2011 London Symposium Report |
| Year: | 2011 |
| Abstract: |
The Hoberman Switch-Pitch ball is used as the inspiration for a symmetry analysis of a novel type of deployable structure. The underlying structure of the Switch-Pitch is essentially cubic, consisting of eight nodes that are connected via revolute joints to twelve linking bars, each of which is connected to two nodes. A simple mobility count suggests that the structure is over- constrained, but a symmetry mobility analysis shows that the structure is in fact mobile, and retains tetrahedral symmetry as it folds. |
| Keywords: |
mechanism self-stress symmetry revolute joint compatibility matrix
|
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10065365 - Published on:
03/10/2011 - Last updated on:
05/07/2021
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