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Optical Engineering

Robust inertial frame-based alignment of fiber-optic gyro strapdown inertial navigation systems using a generalized proportional–integral–derivative filter
Author(s): Mohammad Ali Rahgoshay; Paknoosh Karimaghaie; Fereidoon Shabaninia
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Paper Abstract

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.

Paper Details

Date Published: 14 September 2017
PDF: 10 pages
Opt. Eng. 56(9) 095102 doi: 10.1117/1.OE.56.9.095102
Published in: Optical Engineering Volume 56, Issue 9
Show Author Affiliations
Mohammad Ali Rahgoshay, Shiraz Univ. (Iran)
Paknoosh Karimaghaie, Shiraz Univ. (Iran)
Fereidoon Shabaninia, Shiraz Univ. (Iran)

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