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

Mohammad Ali Rahgoshay; Paknoosh Karimaghaie; Fereidoon Shabaninia

doi:10.1117/1.OE.56.9.095102

14 September 2017 Robust inertial frame-based alignment of fiber-optic gyro strapdown inertial navigation systems using a generalized proportional–integral–derivative filter

Mohammad Ali Rahgoshay, Paknoosh Karimaghaie, Fereidoon Shabaninia

Author Affiliations +

Optical Engineering, Vol. 56, Issue 9, 095102 (September 2017). https://doi.org/10.1117/1.OE.56.9.095102

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.

Citation Download Citation

Mohammad Ali Rahgoshay, Paknoosh Karimaghaie, and Fereidoon Shabaninia "Robust inertial frame-based alignment of fiber-optic gyro strapdown inertial navigation systems using a generalized proportional–integral–derivative filter," Optical Engineering 56(9), 095102 (14 September 2017). https://doi.org/10.1117/1.OE.56.9.095102

Received: 25 May 2017; Accepted: 22 August 2017; Published: 14 September 2017

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