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Changing Assembly Modes without Passing Parallel Singularities in Non-Cuspidal 3-R\underline{P}R Planar Parallel Robots (2008)

Abstract
This paper demonstrates that any general 3-DOF three-legged planar parallel robot with extensible legs can change assembly modes without passing through parallel singularities (configurations where the mobile platform loses its stiffness). While the results are purely theoretical, this paper questions the very definition of parallel singularities.

Publication details
Download http://hal.archives-ouvertes.fr/hal-00323101/en/
Publisher HAL - CCSD
Repository CCSd/HAL : e-articles server (based on gBUS) (France)
Keywords Computer Science/Robotics, Singular configurations, assembly modes, cusp point, parallel mechanism, parallel robot, working mode
Type text
Language English
Relation http://hal.archives-ouvertes.fr/docs/00/32/31/01/PDF/Final.pdf