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Robust inertial frame-based alignment of fiber-optic gyro strapdown inertial navigation systems using a generalized proportional-integral-derivative filter

机译:使用广义比例积分微分滤波器的光纤陀螺捷联惯性导航系统的鲁棒基于惯性框架的对准

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摘要

Initial alignment is one of the most prominent and vital issues in fiber-optic gyro strapdown inertial navigation systems (SINS). In most research, the standard Kalman filter (KF) and its various versions have been used to accomplish the initial alignment of SINSs. A robust alignment approach is presented based on a generalized proportional-integral-derivative filter. The proposed inertial frame-based alignment approach outperforms the standard KF-based alignment methods and achieves a robust and accurate solution for marine fiber-optic SISN alignment. Experimental results also verify the prominent performance of the presented approach compared to the conventional standard KF-based alignment method.
机译:初始对准是光纤陀螺捷联惯性导航系统(SINS)中最突出和至关重要的问题之一。在大多数研究中,标准卡尔曼滤波器(KF)及其各种版本已用于完成SINS的初始对准。提出了一种基于广义比例积分微分滤波器的鲁棒对准方法。所提出的基于惯性框架的对准方法优于基于KF的标准对准方法,并且为海洋光纤SISN对准提供了鲁棒而准确的解决方案。与常规的基于KF的标准对齐方法相比,实验结果还验证了所提出方法的卓越性能。

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