Abstract
Highly sensitive odor sensors are required for odor tracking in mobile robots. The male silkmoth (Bombyx mori) is a candidate as a biosensor because of its high sensitivity to the sex pheromone with stereotypic searching behavior; further, genetic tools enable us to modify their odor preferences. Therefore, the development of techniques to detect odor response easily and sensitively from silkmoths has become important. Recently, machine learning has demonstrated the behavior discrimination of silkmoths to estimate the timing of odor reception. Therefore, it would be possible to leverage a silkmoth’s behavioral response for odor tracking. In this research, we developed an odor-sensing device based on a silkmoth’s walking pattern for mobile-robot odor tracking. To achieve this, we first collected behavioral data with and without odor stimuli, and subsequently predicted the presence of odor using a support vector machine (SVM). The F1-score of our SVM classifier for the collected test data was 0.963. Finally, we implemented this sensing device to an odor-tracking robot.
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Acknowledgement
We thank NEC Corporation for their cooperative support and valuable discussions. This study was partially supported by JSPS KAKENHI (16K14192).
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Horibe, J., Ando, N., Kanzaki, R. (2019). Insect Behavior as High-Sensitive Olfactory Sensor for Robotic Odor Tracking. In: Martinez-Hernandez, U., et al. Biomimetic and Biohybrid Systems. Living Machines 2019. Lecture Notes in Computer Science(), vol 11556. Springer, Cham. https://doi.org/10.1007/978-3-030-24741-6_16
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DOI: https://doi.org/10.1007/978-3-030-24741-6_16
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