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Obstacle Avoidance in Formation,
KTH, School of Computer Science and Communication (CSC), Computer Vision and Active Perception, CVAP.ORCID iD: 0000-0002-7714-928X
2003 (English)Conference paper (Refereed)
Abstract [en]

In this paper, we present an approach to obstacle avoidance for a group of unmanned vehicles moving in formation. The goal of the group is to move through a partially unknown environment with obstacles and reach a destination while maintaining the formation. We address this problem for a class of dynamic unicycle robots. Using Input-to-State Stability we combine a general class of formation-keeping control schemes with a new dynamic window approach to obstacle avoidance in order to guarantee safety and stability of the formation as well as convergence to the goal position. An important part of the proposed approach can be seen as a formation extension of the configuration space obstacle concept. We illustrate the method with a challenging example.

Place, publisher, year, edition, pages
2003. 2492-2497 p.
National Category
Computer and Information Science
URN: urn:nbn:se:kth:diva-90558DOI: 10.1109/ROBOT.2003.1241967OAI: diva2:505872
IEEE International Conference on Robotics and Automation
NR 20140805Available from: 2012-02-26 Created: 2012-02-26Bibliographically approved

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Ögren, Petter
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