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SEARCHAUV – Autonomous Underwater Vehicles
Miniature IMU for Autonomous Underwater Vehicle
An Attitude and Heading Reference System (AHRS) provides real-time roll, pitch, and magnetic-based heading information for the AUV orientation and navigation aid.
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On-demand Webinar – Hydrography
Real-time INS or Post-processing, what is the best solution for your survey ? We are pleased to share with you the recording of our first Marine Webinar, untitled « Real-time INS or Post-processing: what is the best solution for your survey? ». During this session, you will hear about our Hydrographic test results, and attend a live demo … 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
Wave buoys in the Arctic Sea ice
Marginal Ice Zone (MIZ) Program Over recent decades the Arctic has warmed more than any other region leading to significant reduction in sea ice volume. The combination of increased ice-free area and more mobile ice cover has led to the emergence of a seasonal marginal ice zone (MIZ) in the Beaufort Sea. The Office of … Continued
USV 2.5, The Smallest USV from SeaRobotics The USV 2.5 is a 2.5 meter long Unmanned Surface Vehicle (USV) that offers a broad range instrumentation, with the flexibility to swap sensing payloads based on the demands of the mission. The USV 2.5 has been delivered to the Center for Marine Science and Technology at North … Continued
Tips
The SBG on-board hard and soft iron calibration tool allows for calibration in the water. It ensures a precise heading in any orientation by taking into account the real environment where the AUV will be gliding.
The Inertial Measurement Unit (IMU) outputs gyroscopes, accelerometers, and magnetometers raw data. The Attitude and Heading Reference System (AHRS) embeds an Extended Kalman Filter (EKF) to deliver orientation data, and the Inertial Navigation System (INS) additionally embeds a GNSS receiver for a filtered position in real-time.