| Real-Time Networked Sonar System For Ships |
Overview
A recent project was the development of a sonar positioning system for the ship makers. The system required a high-speed network to connect devices in the hull unit room with other devices on the bridge. Speed and redundancy were important considerations in the selection of the networking equipment. The equipment also has to be DNV and GL certified. SolutionMOXA’s managed Ethernet switches was chosen to form a redundant network between the sonar system in the hull, and electronic devices on the bridge. Each sonar unit uses one transmit transducer array and one receive transducer array that link to the main transceiver for detecting objects under water. MOXA EDS-518A managed switch was used in the hull unit room to connect to different sonar devices and MOXA EDS-510A-1GT2SFP was housed on the bridge. Together, the switches create a gigabit redundant ring that connects the sonar system to the bridge. The switches are certified by DNV and GL. Both features Turbo Ring functionality which ensures fast fault recovery in the event should the network get disconnected by accident. Transceivers were installed in different parts of a ship for different types of applications. For anti-submarine and mine detection applications for example, the transceiver would be located near the bow of the ship. For commercial and research type vessels, the transceiver would be located near the stern. The Ethernet network allows the system to transmit signals from the sonar to the ship’s bridge in real time. This is particularly important for anti-submarine and mine detection applications, since having access to real-time information is essential for the safety of the ship and its crew.
Related ProductsManaged Ethernet Switches
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