PortCastelló uses CIRTESU-UJI underwater robots to monitor structures for the renaturalisation of the port area



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## PortCastelló uses CIRTESU-UJI underwater robots to monitor structures for the renaturalisation of the port area

03/03/2025 |
SCP

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Image resource proves-cirtesu-PortCastello IMG\_20250224\_125125
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Image resource proves-cirtesu-PortCastello 2025-02-25CIRTESU-grabacinecoestructuras1

Image resource proves-cirtesu-PortCastello 2025-02-25CIRTESU-grabacinecoestructuras7

* [![ proves-cirtesu-PortCastello IMG_20250224_125125](/com/investigacio/arxiu/noticies/2025/3/proves-cirtesu-PortCastello/IMG_20250224_125125.jpg)](#)
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* [![ proves-cirtesu-PortCastello 2025-02-25CIRTESU-grabacinecoestructuras1](/com/investigacio/arxiu/noticies/2025/3/proves-cirtesu-PortCastello/2025-02-25CIRTESU-grabacinecoestructuras1.jpeg)](#)
* [![ proves-cirtesu-PortCastello 2025-02-25CIRTESU-grabacinecoestructuras7](/com/investigacio/arxiu/noticies/2025/3/proves-cirtesu-PortCastello/2025-02-25CIRTESU-grabacinecoestructuras7.jpeg)](#)

The Port Authority of Castelló, in collaboration with the Centre for Research in Robotics and Underwater Technologies (CIRTESU) of the Universitat Jaume I of Castelló, has carried out a series of tests to supervise the structures installed in November for the renaturalisation of the port area.

In the first stage of the project, the research team has carried out a visual inspection of submerged structures using an innovative underwater robot that can be used both autonomously and teleoperated. This device, equipped with 2D and 3D cameras, has enabled detailed inspections of submerged structures in the port at close range in a semi-autonomous manner. In addition, experiments have continued with the remote control of a surface robot to support the underwater robot, with the aim of improving communications and freeing the system from the umbilical cable that connects it to the control station.

One of the main advances of this test has been the use of a new underwater stereo camera sensor developed by CIRTESU, designed to improve the quality of images in low visibility conditions and to detect points of interest autonomously using artificial intelligence techniques, one of the greatest challenges in underwater environments.

**Control and communications of the robotic fish**

One of the prototypes developed by CIRTESU is the robotic fish for monitoring animal welfare in aquaculture. These tests have confirmed the fish's good manoeuvrability in salt water, verifying its ability to turn and change depth, using an umbilical cable for the time being. Future experiments will focus on advancing the coordination of the robotic fish with the surface fish, using underwater wireless communication techniques (e.g. VLC and sonar), continuing previous successful experiments that allowed communications to be established beyond 6.5 metres in distance in salt water without cables.

**Commitment to innovation and sustainability**

With this initiative, PortCastelló reaffirms its commitment to innovation and sustainability, positioning itself as a test bed for emerging technologies in the field of underwater robotics and environmental monitoring. The collaboration with CIRTESU-UJI represents a step forward in the integration of technological solutions for the improvement and conservation of the port ecosystem.

The president of the Port Authority, Rubén Ibáñez, emphasised that "our objective is to continue positioning the port of Castelló as a benchmark in the field of technological innovation and to position itself as an ideal location for developing prototypes and innovative projects in a real port environment".

Ibáñez emphasised the need to promote research as a way to improve competitiveness. "If we want to gain competitiveness and opportunities, we have to encourage the creation of research projects that shape the future and work hand in hand with other administrations such as the UJI to combine resources and join forces to promote scientific activity and the development of cutting-edge technology", said the president of the Port Authority.

These trials are the result of a collaboration agreement signed in July 2024 between PortCastelló and the UJI to make the facilities of the port of Castelló available to CIRTESU research staff as a testing environment (sandbox) for the development and validation of marine robotics technologies.

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