On quartically-solvable robots

Rojas, Nicolas, Borras, Julia and Thomas, Federico (2015) On quartically-solvable robots. In: 2015 IEEE International Conference on Robotics and Automation (ICRA), 26 to 30 May 2015, Seattle, WA.

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Abstract

This paper presents a first attempt at a unified kinematics analysis of all serial and parallel solvable robots, that is, robots whose position analysis can be carried out without relying on numerical methods. The efforts herein are focused on finding a unified formulation for all quartically-solvable robots, as all other solvable robots can be seen as particular cases of them. The first part is centered on the quest for the most general quartically-solvable parallel and serial robots. As a result, representatives of both classes are selected. Then, using Distance Geometry, it is shown how solving the forward kinematics of the parallel representative is equivalent to solve the inverse kinematics of the serial representative, thus providing a unified formulation. Finally, it is shown that the position and singularity analysis of these robots reduces to the analysis of the relative position of two coplanar ellipses.

Item Type: Conference or Workshop Item (Paper)
Schools and Departments: School of Engineering and Informatics > Engineering and Design
Depositing User: Nicolas Rojas
Date Deposited: 07 Mar 2016 09:24
Last Modified: 07 Mar 2016 09:24
URI: http://sro.sussex.ac.uk/id/eprint/59867
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