Thursday, June 4, 2009

The Cooperation of Swarm-Bots

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This is a summary of the Article “The Cooperation of Swarm-Bots”

Mondada, Francesco, Luca Maria Gambardella, Dario Floreano, Stefano Nolfi, Jean-Louis Deneubourg, and Marco Dorigo. "The Cooperation of Swarm-Bots." Physical Interactions in Collective Robotics. (2005): 21-28. Print.

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This is an article published in the IEEE Robotics & Automation. In general the article considers swarm robotics to be a form of swarm intelligence, and take “distributed control, self assembling mechanisms and collective behavior" as some of the main aspects of such field. The article provides an overview on the SWARM-BOTS project, taking under consideration both the software and the hardware aspects. The article provides different examples of self-reconfigurable robots such as MTRAN and PolyBot both designed with centralized control, then comes CONRO which was the first self-reconfigurable robot with decentralized control.

Many challenges faced the team working on SWARM-BOTS project such as the connection type, the degrees of freedom, mobility and others. The article discusses the many different designs that the team went through and the advantages and disadvantages of each one, moving from cylindrical shape with small tracks, to bigger tracks and better types of connections, adding a string gripper, and eventually using treels (a combination of tracks and wheels) and creating a robot with 9 DOF. The team developed their own simulation platform called Swarmbot3D which was based on Vortex a highly flexible visual-simulation applications. The Project was a success, and there are some great videos on what these robots can do together you can find it on the projects website: www.swarm-bots.org

Time: 5 hrs.

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