Towards the control of tensegrity mechanisms for variable stiffness applications: a case study

Quentin Boehler 1 Salih Abdelaziz 2 Marc Vedrines 1 Philippe Poignet 2 Pierre Renaud 1
1 ICube - Laboratoire des sciences de l'ingénieur, de l'informatique et de l'imagerie
2 DEXTER - Conception et commande de robots pour la manipulation
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier
Abstract : Cable-driven tensegrity mechanisms can be considered to control at the same time position and stiffness. Adequate control solutions have however not been proposed yet. This paper thus focuses on the development of an original control strategy using a tension distribution algorithm adapted from related work on cable-driven mechanisms. The algorithm is being used to modify the mechanism configuration together with its stiffness through the level of prestress in the system, which constitutes a step toward the exploitation of such mechanisms for variable stiffness applications. Simulations show encouraging results on the stiffness variation capacity of the presented mechanism.
Keywords : Tensegrity mechanism Cable-driven mechanism Tensegrity modeling and control Tension distribution algorithm Variable stiffness
Type de document :
Communication dans un congrès
EUCOMES: European Conference on Mechanism Science, Sep 2016, Nantes, France. 6th European Conference on Mechanism Science, Mechanisms and Machine Science (43), pp.163-171, 2016, New Trends in Mechanism and Machine Science. 〈http://eucomes2016.irccyn.ec-nantes.fr〉. 〈10.1007/978-3-319-44156-6_17〉
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https://hal-lirmm.ccsd.cnrs.fr/lirmm-01643092
Contributeur : Salih Abdelaziz <>
Soumis le : lundi 17 décembre 2018 - 16:32:27
Dernière modification le : jeudi 20 décembre 2018 - 01:20:48

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Quentin Boehler, Salih Abdelaziz, Marc Vedrines, Philippe Poignet, Pierre Renaud. Towards the control of tensegrity mechanisms for variable stiffness applications: a case study. EUCOMES: European Conference on Mechanism Science, Sep 2016, Nantes, France. 6th European Conference on Mechanism Science, Mechanisms and Machine Science (43), pp.163-171, 2016, New Trends in Mechanism and Machine Science. 〈http://eucomes2016.irccyn.ec-nantes.fr〉. 〈10.1007/978-3-319-44156-6_17〉. 〈lirmm-01643092〉

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