Integration of directional smell sense on an UGV
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The olfaction sense in animals has been exploited on some applications like chemicals detection and during search and rescue operations. There has been considerable attention to bring this capability to mobile robots implementing odor source localization techniques. The objective of this research is to use a robot with a smell sensor inspired by nature, to identify the direction from where the odor is coming. The design of the sensor consists in two bio-inspired nostrils, separated by a septum, integrating a full nose system with the ability of inhalation and exhalation, which helps to desaturate the sensors. It has been implemented with a bus architecture based on Controller Area Network (CAN) to make the integration of the sensor relatively fast and without need of interfering with the existing systems of the vehicle. After several experiments, we conclude that the designed sensor can reach its objective even in an outdoor environment. © 2013 Springer-Verlag.