Two weeks ago, I thought that it’s more than time to revive the work started by my former PhD student Van Tuan Le. His algorithms for on multi-robot cooperation were validated using Bot Grid Simulator (BGS). I posted a while ago a simulation that illustrates our ICTAI2009 paper (Distributed constraint reasoning applied to multi-robot exploration) that relies on the connectivity awareness as introduced in our ICRA2009 paper (Making networked robot connectivity-aware). However, the simulator was just a prototype and the code was mixed with other unrelated stuff. My goal is to make it clean enough so it can be reused by other people. I started a dedicated repo on SqueakSource with the latest version (number 13) of BGS as left by Serge Stinckwhich (co-supervisor of Tuan’s PhD) in fall 2009. Then, I started cutting off parts, refactoring others, and writing tests. Progress at the beginning was slow, but things keep getting better. By the 13th of november 2011, I had a first relatively clean and tested version (number 29) of the kernel. I made a youtube video to celebrate it. One week later, I improved the design and the GUI (version 37). Now, each robot has a heading and a range sensor that are represented graphically as shown on the new video. More to come soon hopefully :-)

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