Modeling and tracking line-constrained mechanical systems

Authors:
B. Rosenhahn;T. Brox;D. Cremers;H.-P. Seidel
Affiliations:
Max Planck Institute for Computer Science, Saarbrücken, Germany;Department of Computer Science, University of Dresden, Dresden, Germany;Computer Vision Group, University of Bonn, Bonn, Germany;Max Planck Institute for Computer Science, Saarbrücken, Germany
Venue:
RobVis'08 Proceedings of the 2nd international conference on Robot vision
Year:
2008

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Abstract

This work deals with modeling and tracking of mechanical systems which are given as kinematic chains with restricted degrees of freedom. Such systems may involve many joints, but due to additional restrictions or mechanical properties the joints depend on each other. So-called closed-chain or parallel manipulators are examples for kinematic chains with additional constraints. Though the degrees of freedom are limited, the complexity of the dynamic equations increases rapidly when studied analytically. In this work, we suggest to avoid this kind of analytic integration of interconnection constraints and instead to model them numerically via soft constraints.