What Does AHRS Stand For?

The AHRS, called the Attitude Reference System, consists of multiple axial sensors that provide the aircraft with heading, roll and roll information. Such systems are designed to provide accurate and reliable attitude and navigation information for the aircraft.

The attitude reference system includes a MEMS-based triaxial gyroscope, accelerometer and magnetometer.The difference between the Atitude Reference System (AHRS) and the Inertial Measurement Unit (IMU) is that the Atitude Reference System (AHRS) contains the embedded attitude data calculation unit and the heading information. The Inertial Measurement Unit (IMU) only provides sensor data, but does not provide accurate and reliable attitude data.The Kalman filter is used to solve the attitude of the common attitude reference system (AHRS) by multi-sensor data fusion.

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