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Influence of Spring Characteristics on the Behavior of Tensegrity Mechanisms

Quentin Boehler 1, * Marc Vedrines 1 Salih Abdelaziz 2 Philippe Poignet 2 Pierre Renaud 1 
* Corresponding author
2 DEXTER - Robotique médicale et mécanismes parallèles
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier
Abstract : There is today a growing interest for tensegrity mechanisms. Their analysis is however challenging because of their self-stress state. The most popular tensegrity mechanisms use linear springs as tensioned elements. Their synthesis for a given user requirements is an open issue. In this article, we propose as a first step to better understand the influence of the spring characteristics that constitute important design parameters. The influence of spring free length is in particular assessed, considering two planar tensegrity mechanisms. Impact of the spring selection on the workspace, the stiffness and the actuation requirements is observed. The simulation results outline that using nonzero free length springs can be of interest, and conclusions are given on further steps towards a synthesis method.
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Submitted on : Tuesday, July 8, 2014 - 11:14:50 AM
Last modification on : Tuesday, October 18, 2022 - 4:20:44 AM
Long-term archiving on: : Wednesday, October 8, 2014 - 10:55:19 AM


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Quentin Boehler, Marc Vedrines, Salih Abdelaziz, Philippe Poignet, Pierre Renaud. Influence of Spring Characteristics on the Behavior of Tensegrity Mechanisms. Advances in Robot Kinematics, pp.161-169, 2014, 978-3-319-06698-1. ⟨10.1007/978-3-319-06698-1_18⟩. ⟨lirmm-01018866⟩



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