On the Dynamics Modeling of Free-Floating-Base Articulated Mechanisms and Applications to Humanoid Whole-Body Dynamics and Control

Karim Bouyarmane 1, * Abderrahmane Kheddar 2, 3
* Auteur correspondant
2 IDH - Interactive Digital Humans
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier
Abstract : We propose in this paper a general analytic scheme based on Gauss principle of least constraint for the derivation of the Lagrangian dynamics equation of motion of arbitrarily parameterized free-floating-base articulated mechanisms. The free-floating base of the mechanism is a non-actuated rigid object evolving in the 6D Lie group SE(3), the SO(3) component of which can be parameterized using arbitrary coordinate charts with equality constraints, for instance unit quaternions (also known as Euler parameters). This class of systems includes humanoid robots, and the presented formalism is particularly suitable for the whole-body dynamics modeling and control problem of such humanoid systems. Example motions of humanoid in arbitrary contact states with the environment demonstrate the originality of the approach.
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Communication dans un congrès
Humanoids, Nov 2012, Osaka, Japan. 12th IEEE-RAS International Conference on Humanoid Robot, pp.036-042, 2012, 〈http://www.humanoidrobots.org/humanoids2012/〉
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Karim Bouyarmane, Abderrahmane Kheddar. On the Dynamics Modeling of Free-Floating-Base Articulated Mechanisms and Applications to Humanoid Whole-Body Dynamics and Control. Humanoids, Nov 2012, Osaka, Japan. 12th IEEE-RAS International Conference on Humanoid Robot, pp.036-042, 2012, 〈http://www.humanoidrobots.org/humanoids2012/〉. 〈lirmm-00765815〉

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