ZodiAq: An Isotropic Flagella-Inspired Soft Underwater Drone for Safe Marine Exploration
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arXiv
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| Main Authors: | , , , , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866912293174902784 |
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| author | Mathew, Anup Teejo Feliu-Talegon, Daniel Adamu, Yusuf Abdullahi Hmida, Ikhlas Ben Armanini, Costanza Stefanini, Cesare Seneviratne, Lakmal Renda, Federico |
| author_facet | Mathew, Anup Teejo Feliu-Talegon, Daniel Adamu, Yusuf Abdullahi Hmida, Ikhlas Ben Armanini, Costanza Stefanini, Cesare Seneviratne, Lakmal Renda, Federico |
| contents | The inherent challenges of robotic underwater exploration, such as hydrodynamic effects, the complexity of dynamic coupling, and the necessity for sensitive interaction with marine life, call for the adoption of soft robotic approaches in marine exploration. To address this, we present a novel prototype, ZodiAq, a soft underwater drone inspired by prokaryotic bacterial flagella. ZodiAq's unique dodecahedral structure, equipped with 12 flagella-like arms, ensures design redundancy and compliance, ideal for navigating complex underwater terrains. The prototype features a central unit based on a Raspberry Pi, connected to a sensory system for inertial, depth, and vision detection, and an acoustic modem for communication. Combined with the implemented control law, it renders ZodiAq an intelligent system. This paper details the design and fabrication process of ZodiAq, highlighting design choices and prototype capabilities. Based on the strain-based modeling of Cosserat rods, we have developed a digital twin of the prototype within a simulation toolbox to ease analysis and control. To optimize its operation in dynamic aquatic conditions, a simplified model-based controller has been developed and implemented, facilitating intelligent and adaptive movement in the hydrodynamic environment. Extensive experimental demonstrations highlight the drone's potential, showcasing its design redundancy, embodied intelligence, crawling gait, and practical applications in diverse underwater settings. This research contributes significantly to the field of underwater soft robotics, offering a promising new avenue for safe, efficient, and environmentally conscious underwater exploration. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_19556 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | ZodiAq: An Isotropic Flagella-Inspired Soft Underwater Drone for Safe Marine Exploration Mathew, Anup Teejo Feliu-Talegon, Daniel Adamu, Yusuf Abdullahi Hmida, Ikhlas Ben Armanini, Costanza Stefanini, Cesare Seneviratne, Lakmal Renda, Federico Robotics Applied Physics The inherent challenges of robotic underwater exploration, such as hydrodynamic effects, the complexity of dynamic coupling, and the necessity for sensitive interaction with marine life, call for the adoption of soft robotic approaches in marine exploration. To address this, we present a novel prototype, ZodiAq, a soft underwater drone inspired by prokaryotic bacterial flagella. ZodiAq's unique dodecahedral structure, equipped with 12 flagella-like arms, ensures design redundancy and compliance, ideal for navigating complex underwater terrains. The prototype features a central unit based on a Raspberry Pi, connected to a sensory system for inertial, depth, and vision detection, and an acoustic modem for communication. Combined with the implemented control law, it renders ZodiAq an intelligent system. This paper details the design and fabrication process of ZodiAq, highlighting design choices and prototype capabilities. Based on the strain-based modeling of Cosserat rods, we have developed a digital twin of the prototype within a simulation toolbox to ease analysis and control. To optimize its operation in dynamic aquatic conditions, a simplified model-based controller has been developed and implemented, facilitating intelligent and adaptive movement in the hydrodynamic environment. Extensive experimental demonstrations highlight the drone's potential, showcasing its design redundancy, embodied intelligence, crawling gait, and practical applications in diverse underwater settings. This research contributes significantly to the field of underwater soft robotics, offering a promising new avenue for safe, efficient, and environmentally conscious underwater exploration. |
| title | ZodiAq: An Isotropic Flagella-Inspired Soft Underwater Drone for Safe Marine Exploration |
| topic | Robotics Applied Physics |
| url | https://arxiv.org/abs/2503.19556 |