Research on Dynamic Error Characteristics of Strapdown Magnetic Heading Measurement System
2018 International Conference on Sensor Networks and Signal Processing (SNSP)(2018)
Abstract
This paper deduces the error model of Strapdown magnetic heading measurement system without considering the magnetic deviation, and analyzes the dynamic error characteristics of magnetic heading under different flight condition for UAV, combined with the attitude measurement characteristics of the frame type vertical gyroscope which is introduced into the error model. Finally, the error model is simulated, the simulation results and the experimental results are analyzed. The results show that the dynamic error character of the strapdown magnetic heading measurement system accords with the measurement error characteristics, and can provide theoretical basis for engineering application.
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Key words
magnetic heading,dynamical error,gyroscope,attitude error
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