Zhenglong Deng

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A real-time attitude estimation algorithm, namely the predictive Kalman filter, is presented. This algorithm can accurately estimate the three-axis attitude of a satellite using only star sensor measurements. The implementation of the filter includes two steps: first, predicting the torque modeling error, and then estimating the attitude. Simulation results(More)
The transfer alignment for harmonization of airborne sensors is discussed. Two different transfer alignment algorithms are introduced, drawing attention to exploit any low level natural angular motion of an aircraft that occur in normal straight and level flight to reduce or bound attitude errors in sensors and weapon IMU. A new filter algorithm for(More)
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