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Localizing an Odor Source and Avoiding Obstacles: Experiments in a Wind Tunnel using Real Robots

  • Authors: Lochmatter, Thomas; Heiniger, Nicolas; Martinoli, Alcherio

We report on real-robot odor source localization experiments carried out in an environment with obstacles in the odor plume. The robot was equipped with an ethanol sensor and a wind direction sensor, and the experiments were carried out in a wind tunnel, i.e. in a controlled environment. An enhanced version of the surge-spiral algorithm was used, which was augmented with a dedicate behavior to manage obstacles (avoid them, or follow their contour). We compare the results in terms of distance overhead and success rate, and discuss the impact of obstacles on plume traversal.

Posted on: March 16, 2009