Sim2Swim: Zero-Shot Velocity Control for Agile AUV Maneuvering in 3 Minutes
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866908701899620352 |
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| author | Fosso, Lauritz Rismark Amundsen, Herman Biørn Xanthidis, Marios Ohrem, Sveinung Johan |
| author_facet | Fosso, Lauritz Rismark Amundsen, Herman Biørn Xanthidis, Marios Ohrem, Sveinung Johan |
| contents | Holonomic autonomous underwater vehicles (AUVs) have the hardware ability for agile maneuvering in both translational and rotational degrees of freedom (DOFs). However, due to challenges inherent to underwater vehicles, such as complex hydrostatics and hydrodynamics, parametric uncertainties, and frequent changes in dynamics due to payload changes, control is challenging. Performance typically relies on carefully tuned controllers targeting unique platform configurations, and a need for re-tuning for deployment under varying payloads and hydrodynamic conditions. As a consequence, agile maneuvering with simultaneous tracking of time-varying references in both translational and rotational DOFs is rarely utilized in practice. To the best of our knowledge, this paper presents the first general zero-shot sim2real deep reinforcement learning-based (DRL) velocity controller enabling path following and agile 6DOF maneuvering with a training duration of just 3 minutes. Sim2Swim, the proposed approach, inspired by state-of-the-art DRL-based position control, leverages domain randomization and massively parallelized training to converge to field-deployable control policies for AUVs of variable characteristics without post-processing or tuning. Sim2Swim is extensively validated in pool trials for a variety of configurations, showcasing robust control for highly agile motions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_08656 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Sim2Swim: Zero-Shot Velocity Control for Agile AUV Maneuvering in 3 Minutes Fosso, Lauritz Rismark Amundsen, Herman Biørn Xanthidis, Marios Ohrem, Sveinung Johan Robotics Holonomic autonomous underwater vehicles (AUVs) have the hardware ability for agile maneuvering in both translational and rotational degrees of freedom (DOFs). However, due to challenges inherent to underwater vehicles, such as complex hydrostatics and hydrodynamics, parametric uncertainties, and frequent changes in dynamics due to payload changes, control is challenging. Performance typically relies on carefully tuned controllers targeting unique platform configurations, and a need for re-tuning for deployment under varying payloads and hydrodynamic conditions. As a consequence, agile maneuvering with simultaneous tracking of time-varying references in both translational and rotational DOFs is rarely utilized in practice. To the best of our knowledge, this paper presents the first general zero-shot sim2real deep reinforcement learning-based (DRL) velocity controller enabling path following and agile 6DOF maneuvering with a training duration of just 3 minutes. Sim2Swim, the proposed approach, inspired by state-of-the-art DRL-based position control, leverages domain randomization and massively parallelized training to converge to field-deployable control policies for AUVs of variable characteristics without post-processing or tuning. Sim2Swim is extensively validated in pool trials for a variety of configurations, showcasing robust control for highly agile motions. |
| title | Sim2Swim: Zero-Shot Velocity Control for Agile AUV Maneuvering in 3 Minutes |
| topic | Robotics |
| url | https://arxiv.org/abs/2512.08656 |