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Related Experiment Video

Updated: Jan 7, 2026

Development of New Methods for Quantifying Fish Density Using Underwater Stereo-video Tools
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An open-source underwater robotics platform for aquatic research & exploration.

Scott Mayberry1, Jinzhi Cai1, Ruochu Yang1

  • 1Georgia Institute of Technology, Hong Kong University of Science and Technology, United States.

Hardwarex
|December 9, 2025
PubMed
Summary

We developed an open-source miniature underwater robot (MUR) to make aquatic research more accessible. This affordable platform simplifies experiments and enhances data collection for marine science and robotics.

Keywords:
Autonomous underwater vehicleEnvironmental monitoringMarine explorationOpen-source roboticsUnderwater sensing

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Area of Science:

  • Robotics
  • Marine Science
  • Oceanography

Background:

  • Traditional underwater research faces barriers due to high costs, specialized expertise, and facility requirements.
  • Limited access restricts participation, particularly for smaller research groups and institutions.

Purpose of the Study:

  • Introduce an open-source miniature underwater robot (MUR) platform to democratize aquatic research.
  • Simplify experimental implementation and broaden access to underwater exploration.

Main Methods:

  • Developed a modular, 5-degree-of-freedom propulsion system for precise control (position, yaw, roll).
  • Integrated a ROS (Robot Operating System) ecosystem for networked sensing, control, and communication.
  • Incorporated multiple cameras for advanced perception and WiFi, radio, and Ethernet for versatile communication.

Main Results:

  • Achieved precise station-keeping and dynamic trajectory tracking through neutral buoyancy and advanced control.
  • Enabled real-time data acquisition and sensor fusion.
  • Supported both autonomous and tethered deployments in shallow water environments.

Conclusions:

  • The open-source MUR platform significantly lowers barriers to entry for underwater research.
  • Promotes collaborative innovation and establishes a shared infrastructure for marine science and robotics.
  • Facilitates complex underwater operations through advanced sensing and perception capabilities.