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http://dx.doi.org/10.12673/jant.2022.26.6.464

Design and Analysis of UHF-GPS Antenna for Autonomous Underwater Vehicles  

Sang-Jin Park (Communication R&D Center, DANAM Systems)
Yeong-Jun Jo (Communication R&D Center, DANAM Systems)
Dong-Hyun Seo (Communication R&D Center, DANAM Systems)
Lin-Keun Park (LIG Nex1, Maritime R&D)
Publication Information
Journal of Advanced Navigation Technology / v.26, no.6, 2022 , pp. 464-473 More about this Journal
Abstract
In this paper, about a lightweight design that satisfies the performance of UHF-GPS Antenna used in autonomous underwater vehicle is proposed. Structural analysis, watertight external pressure test and non-destructive testing used in the design process are decided in consideration of structural safety for operating external forces in the underwater environment. First, the material of radome is selected for the performance of the UHF-GPS Antenna for communication with the carrier on the underwater operation in consideration of the 20 bar pressure generated. And the material of radome as PA-GF is selected by conducting electromagnetic field analysis and structural analysis and by considering high strength, rigidity and high dielectric constant. Electromagnetic field analysis and structural analysis by the thickness of radome are additionally performed in order to satisfy the required weight of UHF-GPS antenna. After selecting the final model, its structural safety is verified through watertight external pressure test and non-destructive testing.
Keywords
autonomous underwater vehicle; Non-Destructive Test; Structure Analysis; UHF-GPS Antenna; Watertight External Pressure Test;
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