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Modelling of the shoulder complex and application the design of upper extremities for humanoid robots

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1 Author(s)
B. Tondu ; Dept. de Genie Electrique, Campus Univ. de Rangueil, Toulouse, France

The classic industrial robot-arm does not need a shoulder in the anatomical sense: it is merely placed on a rotating trunk. The recent development of humanoid robots in which two arms must move laterally to a frame-trunk raises the question of integrating anthropomorphic shoulders. A rigorous analysis of the mobility of the so-called human shoulder complex is necessary in the design of robot shoulders. A kinematic model of the shoulder complex is discussed and its mobility derived. The consideration of a simple clavicle-based equivalent kinematic model has lead to highlight a serial nine d.o.f. anthropomorphic robot structure. By considering a fundamental kinematic model of a robot-arm including a clavicle-like link, it is shown how the elbow singularity can be limited to a restrictive zone of the reachable volume

Published in:

5th IEEE-RAS International Conference on Humanoid Robots, 2005.

Date of Conference:

5-5 Dec. 2005