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An Attitude Calculation Method for High Spin Flight Body

Zhijian Liang, Tiehua Ma, Xiaojiang Zhang

Abstract


The flight body attitude parameters recorder that is designed by combining the geomagnetic/gyro inertia measurement, can complete the test data acquisition, real time calculating of attitude angle and information storage. According to the output characteristic of the magnetic sensor and gyro, the mathematical model of attitude calculation algorithm is established, the kalman filter with the information fusion ability based on the characteristics of the sensor is designed. Through simulation, the correctness of the algorithm is verified. And the experimental results show that kalman filter can effectively restrain the gyro error accumulation while calculating, the system can accurately real-time calculate the flight parameters.

Keywords


attitude angle, magnetic sensor, kalman filter

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