AUV – 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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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.