RTSYS - Model RUBHY - Wi-Fi Remotely-Controlled Buoy
From Passive Acoustic Monitoring (PAM) - Buoy
RUBHY is a Wi-Fi remotely-controlled buoy offering a range of applications in the field of underwater noise measurements. It acquires data from 4 wide-band hydrophones and simultaneously sends and displays real-time noise information such as SEL, SPL and 3rd octave band levels within a 10 km range. This is a robust buoy particularly suited to offshore conditions that is an excellent solution for autonomous real-time noise surveying of harbor construction, pile-driving operations and seismic surveys. With less than 350 kg, it is easily deployed and recovered from a working boat. Rugged buoy RUBHY can be deployed for real-time studies (up to 40 days of non-stop recording) in rough seas (up to sea-state 5). Many options are available and additional sensors can be added.
Details
This is a robust buoy particularly suited to offshore conditions that is an excellent solution for autonomous real-time noise surveying of harbor construction, pile-driving operations and seismic surveys. With less than 350 kg, it is easily deployed and recovered from a working boat. Rugged buoy RUBHY can be deployed for real-time studies (up to 40 days of non-stop recording) in rough seas (up to sea-state 5). Many options are available and additional sensors can be added.
Applications
Maritime
90% of global goods are carried by maritime freight and the volumes transported are constantly growing as new routes appear. Consequently ships and cargos need to be increasingly efficient in terms of speed, size and energy consumption. Radiated noise generated by ships must also meet rules and regulations as awareness of anthropogenic noise heightens.
Based on this knowledge, we help shipyards design better ships using Passive Acoustic Monitoring (PAM) either with real-time or post-processing methods. Meanwhile, ships in operation can use underwater acoustics to detect any defects or mechanical failures.
Research & Oceanography
Due to the rise of anthropogenic noise, marine biologists and PAM operators need to keep a constant watch, as underwater sound may affect marine species’ habitats.
Additionally, Protected Species Observers (PSO) and Marine Mammal Observers (MMO) are increasingly learning the importance of underwater acoustics in their understanding of marine wildlife. Species that science thought were soundless until a few years ago appear to express numerous acoustic signals that tell more than the eyes can see.
In addition to biological and anthropogenic sounds, geological sounds (earthquakes, thermal sources …) can be observed helping for a better understanding of oceans.
As the main bulwark against global warming, their chemicophysical properties need to be closely monitored, which can be easily implemented using AUVs, equipped with various payloads for long autonomous surveys.
Marine Renewable Energies (MRE)
Before installing wind turbines, operators need to conduct a complete risk assessment, therefore using AUV geared with side-scan sonars for UXO detection. Ambient noise monitoring and marine mammals detection campaigns can also be conducted to identify the potential presence of protected marine species.
Even when using bubble curtains, pile-driving phases during offshore wind farm installation can generate high underwater noise levels causing the disorientation and decay of marine species.
Paired with a buoy, RT-Live Monitor software helps to mitigate noise levels in real-time and ensure compliance with current rules and regulations regarding underwater sound.
Wind or tidal stream turbines are subject to mechanical failures that underwater acoustic monitoring will also help detect.
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