Abstract:In most autonomous navigation systems, the initial orientation of the vehicle is not initially known. The alignment is a stage that precedes the navigation process, and is responsible for determining the orientation of the vehicle. However, low-grade inertial sensors are not recommended to perform the alignment process, since the readings of their angular rate sensors are not capable of providing accurate measurements of the Earth's rotation rate. Therefore, some authors propose the use of magnetometers, and t… Show more
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