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Article Dans Une Revue International Journal of Space Structures Année : 2006

Correlation between eigen modes and the selfstress state identification of a tensegrity plane grid

Résumé

Tensegrity systems are structures in equilibrium under an initial selfstress state. This selfstress state is a composition of elementary selfstress states, which constitute its basis. In order to identify the selfstress state of a system, we use a non-destructive method based on a vibratory analysis of the structure. The structure is subjected to sinewave excitation for a given frequency. It appears that some frequencies allow a better identification than others. This study tries to establish a relation between eigenmode, selfstress state, and the effectiveness of the identification of a double layer tensegrity grid in six elementary selfstress states. Numerical simulations validate the method proposed here for the identification of such a tensegrity grid.
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Dates et versions

hal-00559798 , version 1 (26-01-2011)

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Jean-François Dubé, Nicolas Angellier. Correlation between eigen modes and the selfstress state identification of a tensegrity plane grid. International Journal of Space Structures, 2006, 21 (4), pp.223-234. ⟨10.1260/026635106780866015⟩. ⟨hal-00559798⟩
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