Scientific article
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French

Contrôle des bras articulés et transformations de Möbius

Published inL'Enseignement mathématique, vol. 51, no. 1/2, p. 87-115
Publication date2005
Abstract

For a m-tuple a=(a_1,...,a_m) of positive real numbers, the robot arm of type a in R^d is the map f^a:(S^{d-1})^m -> R^d defined by f^a(z_1,...,z_m) to be the sum of the a_jz_j's. Our aim is to attack the inverse problem via the horizontal liftings for the distribution Delta^a orthogonal to the fibers of f^a. One shows that the connected components by horizontal curves are the orbits of an actiion on (S^{d-1})^m by a product of groups of Moebius transformations. In several cases, the holonomy orbits of the distribution Delta^a are also described.

Classification
  • arxiv : math.DG
Citation (ISO format)
HAUSMANN, Jean-Claude. Contrôle des bras articulés et transformations de Möbius. In: L’Enseignement mathématique, 2005, vol. 51, n° 1/2, p. 87–115.
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Journal ISSN0013-8584
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