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10. A Graph-Based Formation Algorithm for Odor Plume Tracing

Author

Soares, Jorge Miguel, Aguiar, A. Pedro, Pascoal, António M., and Martinoli, Alcherio

Subjects
Odor source localization, Formation control, Plume tracing, Robotic olfaction
Abstract

Odor plume tracing is a challenging robotics application, made difficult by the combination of the patchy characteristics of odor distribution and the slow response of the available sensors. This work proposes a graph-based formation control algorithm to coordinate a group of small robots equipped with odor sensors, with the goal of tracing an odor plume to its source. This approach makes it possible to organize the robots in arbitrary and evolving formation shapes, with the aim of improving tracking performance. The algorithm was evaluated in a high-fidelity submicroscopic simulator, using different formations and achieving quick convergence and negligible distance overhead in laminar wind flows.

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