FIELD: measuring equipment.
SUBSTANCE: accelerometer data determine the mode of motion of the object: uniform or with acceleration. With uniform motion, using the accelerometer data and the matrix of the direction cosines, the pitch and roll angles are analytically calculated, and according to them and the magnetometer signals, the magnetic course is calculated. When driving with acceleration, they also arrive, but step-by-step correct the matrix of the direction cosines.
EFFECT: improved accuracy.
1 dwg
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