Wrench-Closure Workspace of Six-DOF Parallel Mechanisms Driven by 7 Cables

Abstract : The wrench-closure workspace (WCW) of six-degree-of-freedom (DOF) parallel cable-driven mechanisms is defined as the set of poses of the moving platform of the mechanism for which any external wrench can be balanced by tension forces in the cables. This workspace is fundamental in order to analyze and design parallel cable-driven mechanisms. This paper deals with the class of six-DOF mechanisms driven by seven cables. Two theorems, which provide efficient means to test whether a given pose of the moving platform belongs to the WCW, are proposed. One of these two theorems reveals the nature of the boundary of the constant-orientation cross sections of the WCW. Moreover, some of the possible applications of these theorems are discussed and illustrated.
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Article dans une revue
Transactions of the Canadian Society for Mechanical Engineering, Canadian Society for Mechanical Engineering, 2005, 29 (4), pp.541-552
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https://hal-lirmm.ccsd.cnrs.fr/lirmm-00198800
Contributeur : Marc Gouttefarde <>
Soumis le : lundi 17 décembre 2007 - 22:16:53
Dernière modification le : lundi 21 mars 2016 - 17:31:48

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  • HAL Id : lirmm-00198800, version 1

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Marc Gouttefarde, Clément M. Gosselin. Wrench-Closure Workspace of Six-DOF Parallel Mechanisms Driven by 7 Cables. Transactions of the Canadian Society for Mechanical Engineering, Canadian Society for Mechanical Engineering, 2005, 29 (4), pp.541-552. 〈lirmm-00198800〉

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