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Authors: Farid Oubbati and Gregor Schöner

Affiliation: Ruhr–Universität Bochum, Germany

Keyword(s): Attractor Dynamics, Timed Movement, Behavioral Organization.

Related Ontology Subjects/Areas/Topics: Agents ; Artificial Intelligence ; Autonomous Systems ; Cognitive Robotics ; Informatics in Control, Automation and Robotics ; Robotics and Automation ; Task Planning and Execution

Abstract: Timed robotic actions so that they are initiated or terminated just in time can be crucial in many tasks and scenarios in which the robot has to coordinate with other robotic agents or to interact with external entities such as moving objects. The analogy with human movement coordination has motivated an approach in which timed movements are generated from stable periodic solutions of dynamical systems, which are turned on and off in time to initiate and terminate a timed motor act. Here we extend this approach to generate sequences of timed motor actions required to intercept and hit a rolling ball on an inclined plane. The proposed system combines attractor dynamics for the robot’s end-effector heading direction, fixed point attractor for end-effector postural states, limit cycle attractor dynamics for the end-effector speed and competitive neural dynamics to organize the different behaviors and movement phases. The ball interception point and time to contact are predicted based o n a Kalman estimate of the ball’s kinematics. The work is implemented on a redundant manipulator CoRA platform and the ball motion is monitored by the manipulator’s vision system. (More)

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Paper citation in several formats:
Oubbati, F. and Schöner, G. (2013). Autonomous Timed Movement based on Attractor Dynamics in a Ball Hitting Task. In Proceedings of the 5th International Conference on Agents and Artificial Intelligence - Volume 1: ICAART; ISBN 978-989-8565-38-9; ISSN 2184-433X, SciTePress, pages 304-311. DOI: 10.5220/0004324003040311

@conference{icaart13,
author={Farid Oubbati. and Gregor Schöner.},
title={Autonomous Timed Movement based on Attractor Dynamics in a Ball Hitting Task},
booktitle={Proceedings of the 5th International Conference on Agents and Artificial Intelligence - Volume 1: ICAART},
year={2013},
pages={304-311},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004324003040311},
isbn={978-989-8565-38-9},
issn={2184-433X},
}

TY - CONF

JO - Proceedings of the 5th International Conference on Agents and Artificial Intelligence - Volume 1: ICAART
TI - Autonomous Timed Movement based on Attractor Dynamics in a Ball Hitting Task
SN - 978-989-8565-38-9
IS - 2184-433X
AU - Oubbati, F.
AU - Schöner, G.
PY - 2013
SP - 304
EP - 311
DO - 10.5220/0004324003040311
PB - SciTePress

- Science and Technology Publications, Lda.
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