Visually guided manipulation tasks

In this paper, we present a framework for a robotic system with the ability to perform real-world manipulation tasks. The complexity of such tasks determines the precision and freedoms controlled which also affects the robustness and the flexibility of the system. The aspect is on the development of...

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Bibliographic Details
Published in:Robotics and autonomous systems 2002-08, Vol.40 (2), p.193-203
Main Authors: Kragić, D., Petersson, L., Christensen, H.I.
Format: Article
Language:English
Subjects:
Cue integration
Distributed control
Mobile manipulation
Visual servoing
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Summary:In this paper, we present a framework for a robotic system with the ability to perform real-world manipulation tasks. The complexity of such tasks determines the precision and freedoms controlled which also affects the robustness and the flexibility of the system. The aspect is on the development of visual system and visual tracking techniques in particular. Since precise tracking and control of a full pose of the object to be manipulated is usually less robust and computationally expensive, we integrate vision and control system where the objectives are to provide the discrete state information required to switch between control modes of different complexity. For this purpose, an integration of simple visual algorithms is used to provide a robust input to the control loop. Consensus theory is investigated as the integration strategy. In addition, a general purpose framework for integration of processes is used to implement the system on a real robot. The proposed approach results in a system which can robustly locate and grasp a door handle and then open the door.
ISSN:0921-8890
1872-793X
1872-793X
DOI:10.1016/S0921-8890(02)00244-0