Kinematic Bézier maps

The kinematics of a robot with many degrees of freedom is a very complex function. Learning this function for a large workspace with a good precision requires a huge number of training samples, i.e., robot movements. In this paper, we introduce the Kinematic Bézier Map (KB-Map), a parameterizable m...

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Detalhes bibliográficos
Autores: Ulbrich, Stefan, Ruiz de Angulo García, Vicente|||0000-0002-2067-7399, Torras, Carme|||0000-0002-2933-398X, Asfour, Tamim, Dillmann, Rudiger
Formato: artículo
Fecha de publicación:2012
País:España
Recursos:Universitat Politècnica de Catalunya (UPC)
Repositorio:UPCommons. Portal del coneixement obert de la UPC
Idioma:inglés
OAI Identifier:oai:upcommons.upc.edu:2117/17357
Acesso em linha:https://hdl.handle.net/2117/17357
https://dx.doi.org/10.1109/TSMCB.2012.2188507
Access Level:acceso abierto
Palavra-chave:Artificial intelligence
learning (artificial intelligence) robot kinematics robots PARAULES AUTOR: learning
robot kinematics
humanoid robots
Intel·ligència artificial
Classificació INSPEC::Cybernetics::Artificial intelligence
Àrees temàtiques de la UPC::Informàtica::Intel·ligència artificial
Descrição
Resumo:The kinematics of a robot with many degrees of freedom is a very complex function. Learning this function for a large workspace with a good precision requires a huge number of training samples, i.e., robot movements. In this paper, we introduce the Kinematic Bézier Map (KB-Map), a parameterizable model without the generality of other systems but whose structure readily incorporates some of the geometric constraints of a kinematic function. In this way, the number of training samples required is drastically reduced. Moreover, the simplicity of the model reduces learning to solving a linear least squares problem. Systematic experiments have been carried out showing the excellent interpolation and extrapolation capabilities of KB-Maps and their relatively low sensitivity to noise.