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16 August 2024 Design of array POS for aerial remote sensing and experimental research on flexible baseline measurement
Kezhen Bai, Yanhong Liu, Yang Huang
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Proceedings Volume 13218, First Aerospace Frontiers Conference (AFC 2024); 132181W (2024) https://doi.org/10.1117/12.3032651
Event: First Aerospace Frontiers Conference (AFC 2024), 2024, Xi’an, China
Abstract
Airborne distributed position and orientation system (POS) relies on transfer alignment to achieve high-precision motion information of remote sensing imaging payloads at three nodes. However, the flexibility effect between nodes severely affects the transfer alignment accuracy, which in turn limits the improvement of baseline measurement accuracy. Aiming at this problem, an array POS system is designed on the basis of quasi-rigid distributed POS, and the fiber grating sensor is used to obtain deformation information to assist the main system to provide high-precision measurement information to the sub-system for transfer alignment. Finally, a ground dynamic test verification platform is built to verify the baseline measurement accuracy. The experimental results show that the array POS can achieve accurate measurement of flexible baselines between multiple nodes, and the baseline measurement ac-curacy is within 0.17mm under the condition of 5.6m baseline, which can provide theoretical support for the application of array POS.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Kezhen Bai, Yanhong Liu, and Yang Huang "Design of array POS for aerial remote sensing and experimental research on flexible baseline measurement", Proc. SPIE 13218, First Aerospace Frontiers Conference (AFC 2024), 132181W (16 August 2024); https://doi.org/10.1117/12.3032651
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KEYWORDS
Deformation
Fiber optics sensors
Global Positioning System
Motion measurement
Remote sensing
Synthetic aperture radar
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