Fundamentals of Inertial Navigation, Satellite-based Positioning and their Integration by Aboelmagd Noureldin Tashfeen B. Karamat & Jacques Georgy

Author:Aboelmagd Noureldin, Tashfeen B. Karamat & Jacques Georgy
Language: eng
Format: epub
Publisher: Springer Berlin Heidelberg, Berlin, Heidelberg

The accelerometers are attached to the moving platform in order to monitor its accelerations in three mutually orthogonal directions. The gyroscopes provide the attitude (pitch, roll and azimuth) of the moving platform, and their measurements are used to rotate the data from the accelerometers into the navigation frame. The time integral of each acceleration component gives a continuous estimate of the corresponding velocity component of the platform relative to the initial velocities. A second integration yields the position with respect to a known starting point in a given frame of reference. This principle is outlined in Fig. 4.11.

Fig. 4.11The general principle of inertial navigation in 3D

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