Análisis Cinemático de un Novedoso Robot Paralelo Reconfigurable

[EN] This work presents the kinematic analysis of a reconfigurable manipulator composed of two parallel sub-manipulators that share a common moving platform. A semi-closed form solution is easily obtained to solve the forward displacement analysis of the robot taking advantage of the non-planar geom...

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Bibliographic Details
Authors: Sánchez-Alonso, Róger E., González Barbosa, José Joel, Castillo Castañeda, Eduardo, García Murillo, Mario A.
Format: article
Publication Date:2016
Country:España
Institution:Universitat Politècnica de València (UPV)
Repository:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
Language:Spanish
OAI Identifier:oai:riunet.upv.es:10251/143566
Online Access:https://riunet.upv.es/handle/10251/143566
Access Level:Open access
Keyword:Parallel robot
Reconfiguration
Kinematics
Screw theory
Jacobian matrix
Manipulability index
Robot paralelo
Reconfiguración
Cinemática
Teoría de tornillos
Matriz jacobiana
Índice de manipulabilidad
Description
Summary:[EN] This work presents the kinematic analysis of a reconfigurable manipulator composed of two parallel sub-manipulators that share a common moving platform. A semi-closed form solution is easily obtained to solve the forward displacement analysis of the robot taking advantage of the non-planar geometry of the moving platform, while the velocity, acceleration and singularity analyses are developed by resorting to screw theory. Finally a very practical approach based on the manipulability index of the jacobian matrix of the robot is proposed in order to determine the geometric configuration that optimizes the performance of the manipulator given a pose of the moving platform.