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Compact Inertial Navigation Systems for Unmanned Surface Vessel
An all-in-one INS with a dual antenna GNSS receiver delivers a centimeter-level position (RTK) as well as roll, pitch, and heading. The INS additionally provides accurate heave data, automatically adjusted to the wave period.
It is suited for USV navigation when GNSS outages occur, and for precise payload stabilization such as echo-sounders.
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Navsight INS used for Multi-Beam & Laser Survey Onboard USV
The Scalable Accession Class USV The UK-based company Unmanned Survey Solution (USS) has created a very unique Unmanned Surface Vessel called the “Accession Class USV”. Designed to meet the surveyors needs for today and tomorrow, this USV incorporates a modular design which offers three variable boat lengths depending on the desired application. The base boat … Continued
Marine Technology integrates an SBG INS/GNSS in their HydroDron
Marine Technology presented HydroDron, the first autonomous hydrographic unmanned vessel in Poland, at Baltexpo 2019. The recently finished project was co-financed by the National Centre for Research and Development and was awarded in the competition “Baltexpo Golden Anchor 2019”. HydroDron Allows Surveying in Inaccessible Waters HydroDron is an unmanned catamaran made of lightweight … Continued
ASV Equipped with Multibeam Echosounder
Surveying Solution Developed by Cadden Our partner Cadden held its new R2D3 conference, dedicated to the latest progress in the Representation of Reality in 3 Dimensions, on June 27th, 2019. On this occasion, they conducted an autonomous bathymetric survey of the Loire river in Nantes, France. As the French representative for OceanAlpha, they equipped a … Continued
Test Conditions The SBG Inertial Navigation Systems have been tested during a three-day lasting hydrographic survey in the Hamburg (Germany) port area. SBG Systems and MacArtney Germany GmbH equipped a survey vessel with a complete Multibeam Echosounder survey configuration and conducted various tests to show the performance of the SBG Inertial Systems in different challenging … Continued
Tips
Be careful to select the model that is the best suited for the navigation accuracy required by your payload. For example, an Ellipse2-D integrates a bi-frequency GNSS receiver allowing centimetric-level RTK, an Apogee-D integrates a tri-frequency GNSS receiver which gives additional access to Precise Point Positioning (Terrastar, Omnistar, etc.).
Compared to a Motion Reference Unit (MRU), the Inertial Navigation Systems (INS) greatly improves navigation data in all conditions. Position information are fused in real-time with inertial data to provide a robust trajectory when GNSS outages occur (crossing a bridge, surveying a river near several mountains, etc.).
A dual antenna receiver delivers a more precise GNSS-based heading in marine applications. Highly accurate heading is required for high precision payloads, such as multibeam echo-sounders, when the quality of the generated point cloud depends on it.