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- W2595151530 abstract "A modified solidification method coarse alignment based on recursive quaternion estimator algorithm (REQUEST) is proposed to solve the problem of coarse alignment of vehicle strapdown inertial navigation system (SINS). According to the solidification method, the solution of initial attitude matrix is transferred into the calculation of a constant attitude matrix. By constructing the observation vector and the reference vector, the optimal solution of constant attitude matrix in solidification method in the least square sense is obtained using the REQUEST algorithm. The principle of solidification-method coarse alignment is introduced firstly, and then the calculation process of recursive quaternion estimator algorithm is and discussed. Finally, the solution of recursive quaternion estimator algorithm for SINS is presented. The result of three-axis turntable experiments shows that the alignment accuracy of REQUEST algorithm is superior to that of solidification-method attitude determination theory. Using REQUEST algorithm, the horizontal alignment accuracy is better than and the heading alignment accuracy is better than in 200s." @default.
- W2595151530 created "2017-03-23" @default.
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- W2595151530 date "2016-12-07" @default.
- W2595151530 modified "2023-10-17" @default.
- W2595151530 title "Improved CoarseAlignment for StrapdownInertial Navigation System Based on Recursive Quaternion Estimator Algorithm" @default.
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- W2595151530 doi "https://doi.org/10.1145/3029610.3029627" @default.
- W2595151530 hasPublicationYear "2016" @default.
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