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Ship hull flexure measurement based on integrated GNSS/LINS

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Abstract

For precision carrier-based landing aid, the position of reference point on the top of island shall be precisely transferred to the landing point on the deck, so the position transfer error caused by the hull flexure is not negligible. As the existing method is not very applicable to measure the hull flexure, a new technique based on integrated Global Navigation Satellite Systems/Laser Gyro Inertial Navigation System (GNSS/LINS) is proposed in this paper. This integrated GNSS/LINS based measurement method is designed to monitor the hull flexure and set up an integrated GNSS/LINS measurement model based on raw pseudo-range and pseudo-range rate measurement and carrier phase differential positioning measurement to effectively eliminate the measurement error caused by cycle slip and multi-path effect from GNSS. It is shown by demonstration test and analysis that this technique has the capability to precisely measure the hull flexure, with the accuracy being better than 0.02 m.

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Authors and Affiliations

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Correspondence to Yu Jia.

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Di Wu is a doctor at the National Space Science Center, Chinese Academy of Sciences. She got the master degree from Beijing Institute of Technology in 2009. Her current fields of interests include digital signal processing of GNSS radio remote sensing, GNSS-R remote sensing techniques, embedded system design, software system design of satellite receiver.

Yu Jia is a senior engineer of Huazhong Institute of Electro-optics—Wuhan National Laboratory for Optoelectronics. He got the master degree from Southwest Jiaotong University in 2005. His current research fields include electro-optical system, laser gyro inertial navigation, multi-sensor navigation information fusion software design, etc.

Li Wang is a senior engineer of Huazhong Institute of Electro-optics—Wuhan National Laboratory for Optoelectronics. He got the doctor degree from Wuhan University in 2015. His current research fields include laser gyro inertial navigation, satellite navigation, multi-sensor navigation information fusion hardware design, etc.

Yueqiang Sun is a professor at the National Space Science Center, Chinese Academy of Sciences. Prof. Sun got her doctor degree from National Space Science Center, Chinese Academy of Sciences, in 2002. She devotes to develop GNSS remote sensing and space-borne special environment exploration technologies. She has been the principal investigator or vice principal investigator of more than twenty missions/projects in manned space flight, FengYun and 863 Project. Her interested research areas include GNSS radio occultation, GNSS-R remote sensing techniques, atmospheric physics, ionospheric physics, magnetic physics, space physics, and so on.

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Wu, D., Jia, Y., Wang, L. et al. Ship hull flexure measurement based on integrated GNSS/LINS. Front. Optoelectron. 12, 332–340 (2019). https://doi.org/10.1007/s12200-019-0867-8

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  • DOI: https://doi.org/10.1007/s12200-019-0867-8

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