Singularity Analysis of the 4-RUU Parallel Manipulator using Grassmann-Cayley Algebra - Archive ouverte HAL
Communication Dans Un Congrès Année : 2011

Singularity Analysis of the 4-RUU Parallel Manipulator using Grassmann-Cayley Algebra

Semaan Amine
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Mehdi Tale-Masouleh
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Stéphane Caro
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Philippe Wenger
Clément M. Gosselin
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Résumé

This paper deals with the singularity analysis of 4-DOF parallel manipulators with identical limb structures performing Schönflies motions, namely, three independent translations and one rotation about an axis of fixed direction. The 6x6 Jacobian matrix of such manipulators contains two lines at infinity among its six Plücker lines. Some points at infinity are thus introduced to formulate the superbracket of Grassmann-Cayley algebra, which corresponds to the determinant of the Jacobian matrix. By exploring this superbracket, all the singularity conditions of such manipulators can be enumerated. The study is illustrated through the singularity analysis of the 4-\underline RUU parallel manipulator.
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Dates et versions

hal-00642267 , version 1 (17-11-2011)

Identifiants

  • HAL Id : hal-00642267 , version 1

Citer

Semaan Amine, Mehdi Tale-Masouleh, Stéphane Caro, Philippe Wenger, Clément M. Gosselin. Singularity Analysis of the 4-RUU Parallel Manipulator using Grassmann-Cayley Algebra. The 2011 CCToMM Symposium on Mechanisms, Machines, and Mechatronics, Jun 2011, Montréal, Canada. pp.1-12. ⟨hal-00642267⟩
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