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Authors: Wanda Zhao 1 ; Anatol Pashkevich 2 ; Alexandr Klimchik 3 and Damien Chablat 4

Affiliations: 1 Laboratoire des Sciences du Numérique de Nantes (LS2N), UMR CNRS 6004, 1 rue de la Noe, 44321, Nantes, France ; 2 Laboratoire des Sciences du Numérique de Nantes (LS2N), UMR CNRS 6004, 1 rue de la Noe, 44321, Nantes, France, IMT Atlantique Nantes, 4 rue Alfred-Kastler, 44307, Nantes, France ; 3 Innopolis University, Universitetskaya St, 1, Innopolis, 420500, Tatarstan, Russia ; 4 Laboratoire des Sciences du Numérique de Nantes (LS2N), UMR CNRS 6004, 1 rue de la Noe, 44321, Nantes, France, Centre National de la Recherche Scientifique (CNRS), France

Keyword(s): Tensegrity Mechanisms, Equilibrium Configurations, Stability Analysis, Stiffness Analysis.

Abstract: The paper deals with the stiffness analysis and stability study of a new type of tensegrity mechanism based on dual-triangle structures, which actuated by adjusting elastic connections between the triangle edges. For a single segment of such mechanism, the torque-deflection relation was obtained as a function of control inputs and geometric parameters. It was proved that a single section of the mechanism can has either a single or three equilibrium configurations that can be both stable and unstable. Corresponding conditions of stability were found allowing user to choose control inputs ensuring the mechanism controllability, and the obtained results are confirmed by the simulation examples. The structure composed of two segments in serial was also analysed and an equivalent serial structure with non-linear virtual springs in the joints was proposed. It was proved that the stiffness of such structure decreases while the external loading increases, which may lead to the buckling pheno menon. (More)

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Paper citation in several formats:
Zhao, W.; Pashkevich, A.; Klimchik, A. and Chablat, D. (2020). Stiffness Analysis of a New Tensegrity Mechanism based on Planar Dual-triangles. In Proceedings of the 17th International Conference on Informatics in Control, Automation and Robotics - ICINCO; ISBN 978-989-758-442-8; ISSN 2184-2809, SciTePress, pages 402-411. DOI: 10.5220/0009803104020411

@conference{icinco20,
author={Wanda Zhao. and Anatol Pashkevich. and Alexandr Klimchik. and Damien Chablat.},
title={Stiffness Analysis of a New Tensegrity Mechanism based on Planar Dual-triangles},
booktitle={Proceedings of the 17th International Conference on Informatics in Control, Automation and Robotics - ICINCO},
year={2020},
pages={402-411},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0009803104020411},
isbn={978-989-758-442-8},
issn={2184-2809},
}

TY - CONF

JO - Proceedings of the 17th International Conference on Informatics in Control, Automation and Robotics - ICINCO
TI - Stiffness Analysis of a New Tensegrity Mechanism based on Planar Dual-triangles
SN - 978-989-758-442-8
IS - 2184-2809
AU - Zhao, W.
AU - Pashkevich, A.
AU - Klimchik, A.
AU - Chablat, D.
PY - 2020
SP - 402
EP - 411
DO - 10.5220/0009803104020411
PB - SciTePress