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A neural model for visual-tactile-motor integration in robotic reaching and grasping tasks

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Abstract:

This paper presents a neural model to solve the visual-tactile-motor coordination problem in robotic applications. The proposed neural controller is based on the VAMC (Vector Associative Map) model. This algorithm is based on the human biological system and has the ability of learning the mapping that establishes the relationship between the spatial and the motor coordinates. These spatial inputs are composed of visual and force parameters. The LINCE stereohead carries out a visual detection process, detecting the positions of the object and of the manipulator. The artificial tactile skins placed over the two fingers of the gripper measure the force distribution when an object is touched. The neural controller has been implemented for robotic operations of reaching and object grasping. The reaching process is fed back in order to minimize the Difference Vector (DV) between the visual projections of the object and the manipulator. The stable grasping task processes the force distribution maps detected in the contact with the two surfaces of the gripper, in order to direct the object into the robotic fingers. Experimental results have demonstrated the robustness of the model and the accuracy of the final pick-and-place process.

Tópico:

Tactile and Sensory Interactions

Citaciones:

Citations: 11
11

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Información de la Fuente:

SCImago Journal & Country Rank
FuenteRobotica
Cuartil año de publicaciónNo disponible
Volumen20
Issue1
Páginas23 - 31
pISSNNo disponible
ISSN1469-8668

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