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Wave height, water current and water depth all affect the ship’s ability to navigate in the port. Temperature and salinity can affect the buoyancy of the ship and thus the position of the hull. In the past, navigators and port managers needed to observe the navigation with the naked eye. Gabriel Paschoal, sales manager of HidroMares, a marine consulting and technical solutions company, said that the sensors installed in the water and on the buoy can provide localization, and real-time measurement data can help empirical observations and help ensure the safety of ships.
HidroMares’ real-time marine climate information system SISMO can monitor waves, currents, water depth, temperature and salinity to help improve ship navigation safety, optimize ship traffic and improve efficiency. The company uses a series of sensors provided by the American company SonTek and the Norwegian company Aanderaa.
Since radio waves are not easy to propagate underwater, the sensors under the ocean are connected to the buoy through cables, and then the radio modem provided by the Brazilian manufacturer Duodigit is transmitted to the cloud-based server through a machine-to-machine (M2M) module.
HidroMares collaborated with Aanderaa, a subsidiary of water management technology service provider Xylem, to develop the SISMO user interface. Port employees will access the HidroMares application residing on the Aanderaa server through a computer, and view real-time indicators through the dashboard. These indicators include water current direction, water current speed, sea level, visibility and ocean current speed.
Alexandre De Caroli, technical director of HidroMares, said that establishing a reliable connection between sensors and cloud-based applications is a difficult point in the establishment of a port monitoring system. Therefore, the reliability of Duodigit’s modem and Gemalto modules is the key to the success of this solution.
With its current location, HidroMares’ SISMO system has been deployed in Porto Azu Port, an important oil and gas logistics hub in the Campos Basin of Rio de Janeiro.
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