The Importance of an IMU in Spacecraft

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IMUs play a crucial role in vehicles ranging from motorcycles to spacecraft. They serve as attitude and heading reference systems for UAVs as well as augmenting GPS reliability in challenging environments like tunnels or areas containing electronic interference. Establish static IMU sensor calibration to account for any manufacturer biases or misalignments, then proceed with dynamic…

What Is a Spacecraft IMU?

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An IMU (Inertial Measurement Unit) is a sensor that measures body-frame acceleration and angular rate measurements. IMUs are often integrated into Inertial Navigation Systems (INSs) used to track spacecraft position. IMU sensors can experience both static and dynamic errors that could impede performance. Attitude As the spacecraft rotates in orbit, its attitude must be determined….