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A Hexapod Walking Robot Mimicking Navigation Strategies of Desert Ants Cataglyphis

  • Julien Dupeyroux
  • Julien Serres
  • Stéphane ViolletEmail author
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10928)

Abstract

In this study, a desert ant-inspired celestial compass and a bio-inspired minimalist optic flow sensor named M\(^2\)APix (which stands for Michaelis Menten Auto-adaptive Pixels), were embedded onboard our 2 kg-hexapod walking robot called AntBot, in order to reproduce the homing behavior observed in desert ants Cataglyphis fortis. The robotic challenge here was to make the robot come back home autonomously after being displaced from its initial location. The navigation toolkit of AntBot comprises the celestial-based heading direction, and both stride- and ventral optic flow-based odometry, as observed in desert ants. Experimental results show that our bio-inspired approach can be useful for autonomous outdoor navigation robotics in case of GPS or magnetometer failure, but also to compensate for a drift of the inertial measurement unit. In addition, our strategy requires few computational resources due to the small number of pixels (only 14 here), and a high robustness and precision (mean error of 4.8 cm for an overall path ranging from 2 m to 5 m). Finally, this work presents highly interesting field results of ant-based theoretical models for homing tasks that have not been tested yet in insectoid robots.

Keywords

Celestial compass Polarized light Optic flow Outdoor navigation Homing Odometry Path integration Legged robot Biorobotics 

Notes

Acknowledgments

The authors would like to thank Marc Boyron and Julien Diperi for their technical support in the conception of the celestial compass.

Funding

This work was supported by the French Direction Générale de l’Armement (DGA), CNRS, Aix-Marseille University, the Provence-Alpes-Côte d’Azur region, and the French National Research Agency for Research (ANR) with the Equipex/Robotex project.

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • Julien Dupeyroux
    • 1
  • Julien Serres
    • 1
  • Stéphane Viollet
    • 1
    Email author
  1. 1.Aix Marseille Univ., CNRS, ISM UMR 7287MarseilleFrance

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