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- W2354065828 abstract "To improve the accuracy and reduce the setting time for the initial alignment of marine attitude heading reference system(AHRS) under motion, a method of two-position alignment was presented. The piece-wise constant system (PWCS) method and the singular-value decomposition method were applied to analyze the observability and its degree of AHRS on dynamic base. Two-position alignment tests were carried out on rolling-table adopting FOG SINS. Theory analysis showed that the method of two-position alignment increases the observability degree of state variables, especially for the error of accelerometer and azimuth misalignment. The results of tests showed that the dynamic two-position alignment increases the accuracy of heading alignment of 3 times or more, and improves the convergent speed of Kalman filter. This method provides a feasible approach for dynamic alignment of AHRS." @default.
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- W2354065828 date "2007-01-01" @default.
- W2354065828 modified "2023-09-26" @default.
- W2354065828 title "Dynamic alignment of FOG attitude and heading reference system for ship" @default.
- W2354065828 hasPublicationYear "2007" @default.
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