Hexabot: a small 3D-printed six-legged walking robot designed for desert ant-like navigation tasks

Abstract : Over the last five decades, legged robots, and especially six-legged walking robots, have aroused great interest among the robotic community. Legged robots provide a higher level of mobility through their kinematic structure over wheeled robots, because legged robots can walk over uneven terrains without non-holonomic constraint. Walking robots' locomotion mode is now a well-known problem that permits to address navigation tasks issues over uneven terrains. We present here a six-legged walking robot, called Hexabot, which is a 3D-printed, low-cost, small and light structure developed at LaBRI as an open source project. We explain our choice of Hexabot over other interesting robotic platforms such as PhantomX in our navigation setup, and provide ground-truth measurements of both Hexabot and PhantomX dynamics stability when walking on smooth, flat terrain. Thanks to its geometrical structure and dynamic behaviour, Hexabot showed the lowest orientation disruptions and a remarkably stable walk. Precisely, Hexabot's orientation and walking values are similar to those of desert ants, considering the scale factor. Finally, we describe visual cues needed in order to complete desert ant-like navigation tasks.
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Communication dans un congrès
IFAC Word Congress 2017, Jul 2017, Toulouse, France
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Contributeur : Julien Dupeyroux <>
Soumis le : mardi 21 novembre 2017 - 10:48:56
Dernière modification le : jeudi 25 octobre 2018 - 10:34:52

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Julien Dupeyroux, Grégoire Passault, Franck Ruffier, Stéphane Viollet, Julien Serres. Hexabot: a small 3D-printed six-legged walking robot designed for desert ant-like navigation tasks. IFAC Word Congress 2017, Jul 2017, Toulouse, France. 〈hal-01643176〉

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