AquaMILR+: Design of an untethered limbless robot for complex aquatic terrain navigation
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arXiv
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| Main Authors: | , , , , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866910622681137152 |
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| author | Fernandez, Matthew Wang, Tianyu Tunnicliffe, Galen Dortilus, Donoven Gunnarson, Peter Dabiri, John O. Goldman, Daniel I. |
| author_facet | Fernandez, Matthew Wang, Tianyu Tunnicliffe, Galen Dortilus, Donoven Gunnarson, Peter Dabiri, John O. Goldman, Daniel I. |
| contents | This paper presents AquaMILR+, an untethered limbless robot designed for agile navigation in complex aquatic environments. The robot features a bilateral actuation mechanism that models musculoskeletal actuation in many anguilliform swimming organisms which propagates a moving wave from head to tail allowing open fluid undulatory swimming. This actuation mechanism employs mechanical intelligence, enhancing the robot's maneuverability when interacting with obstacles. AquaMILR+ also includes a compact depth control system inspired by the swim bladder and lung structures of eels and sea snakes. The mechanism, driven by a syringe and telescoping leadscrew, enables depth and pitch control-capabilities that are difficult for most anguilliform swimming robots to achieve. Additional structures, such as fins and a tail, further improve stability and propulsion efficiency. Our tests in both open water and indoor 2D and 3D heterogeneous aquatic environments highlight AquaMILR+'s capabilities and suggest a promising system for complex underwater tasks such as search and rescue and deep-sea exploration. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_18383 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | AquaMILR+: Design of an untethered limbless robot for complex aquatic terrain navigation Fernandez, Matthew Wang, Tianyu Tunnicliffe, Galen Dortilus, Donoven Gunnarson, Peter Dabiri, John O. Goldman, Daniel I. Robotics This paper presents AquaMILR+, an untethered limbless robot designed for agile navigation in complex aquatic environments. The robot features a bilateral actuation mechanism that models musculoskeletal actuation in many anguilliform swimming organisms which propagates a moving wave from head to tail allowing open fluid undulatory swimming. This actuation mechanism employs mechanical intelligence, enhancing the robot's maneuverability when interacting with obstacles. AquaMILR+ also includes a compact depth control system inspired by the swim bladder and lung structures of eels and sea snakes. The mechanism, driven by a syringe and telescoping leadscrew, enables depth and pitch control-capabilities that are difficult for most anguilliform swimming robots to achieve. Additional structures, such as fins and a tail, further improve stability and propulsion efficiency. Our tests in both open water and indoor 2D and 3D heterogeneous aquatic environments highlight AquaMILR+'s capabilities and suggest a promising system for complex underwater tasks such as search and rescue and deep-sea exploration. |
| title | AquaMILR+: Design of an untethered limbless robot for complex aquatic terrain navigation |
| topic | Robotics |
| url | https://arxiv.org/abs/2409.18383 |