An Open Toolkit for Underwater Field Robotics

• URL: http://arxiv.org/abs/2512.15597v1
• Date: Wed, 17 Dec 2025 17:06:35 GMT
• Title: An Open Toolkit for Underwater Field Robotics
• Abstract summary: We introduce an open, cost-effective hardware and software toolkit for underwater manipulation research.<n>The toolkit includes a depth-rated Underwater Robotic Joint with early leakage detection, compact control and power management electronics, and a ROS2-based software stack for sensing and multi-mode actuation.<n>All CAD models, fabrication files, PCB sources, firmware, and ROS2 packages are openly released, enabling local manufacturing, modification, and community-driven improvement.
• Score: 2.790023439255412
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Underwater robotics is becoming increasingly important for marine science, environmental monitoring, and subsea industrial operations, yet the development of underwater manipulation and actuation systems remains restricted by high costs, proprietary designs, and limited access to modular, research-oriented hardware. While open-source initiatives have democratized vehicle construction and control software, a substantial gap persists for joint-actuated systems-particularly those requiring waterproof, feedback-enabled actuation suitable for manipulators, grippers, and bioinspired devices. As a result, many research groups face lengthy development cycles, limited reproducibility, and difficulty transitioning laboratory prototypes to field-ready platforms. To address this gap, we introduce an open, cost-effective hardware and software toolkit for underwater manipulation research. The toolkit includes a depth-rated Underwater Robotic Joint (URJ) with early leakage detection, compact control and power management electronics, and a ROS2-based software stack for sensing and multi-mode actuation. All CAD models, fabrication files, PCB sources, firmware, and ROS2 packages are openly released, enabling local manufacturing, modification, and community-driven improvement. The toolkit has undergone extensive laboratory testing and multiple field deployments, demonstrating reliable operation up to 40 m depth across diverse applications, including a 3-DoF underwater manipulator, a tendon-driven soft gripper, and an underactuated sediment sampler. These results validate the robustness, versatility, and reusability of the toolkit for real marine environments. By providing a fully open, field-tested platform, this work aims to lower the barrier to entry for underwater manipulation research, improve reproducibility, and accelerate innovation in underwater field robotics.

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