An installation angle error calibration method in an Ultra-Short Baseline system based on a dual transponder

• Autorzy: Liu Baoheng , Zhang Xiaochuan , Jia Shuyang , Zou Sichen , Tian Deyan , Da Lianglong

Identyfikatory

DOI

10.2478/pomr-2023-0028

• Języki publikacji: EN

Abstrakty

EN

The installation error of an acoustic transceiver array is one of the important error sources in an ultra-short baseline (USBL) system. In a USBL system with a positioning accuracy of 0.5%, an installation error angle of 1 will lead to a positioning error of 1.7% times the slant distance. In this paper, a dual transponder-based installation angle error calibration method for USBL is proposed. First, the positioning errors induced by various installation angles are deduced and analysed using the linear measurement of seafloor targets. Then, an iterative algorithm is proposed that estimates the rolling alignment error, pitching alignment error, and heading alignment error, in that order. The simulation and experienced results show that, after three iterations, the estimates of the three alignment errors can converge quickly, all of the estimates converge to within 0.001 and the estimated values are very close to the true values. The horizontal positioning error caused by the installation error angle can be reduced by nearly 75%. The method has good effectiveness and robustness, and can greatly improve the positioning accuracy of the USBL system.

Słowa kluczowe

EN

USBL; installation angle error; misalignment calibration; numerical algorithm; hydrolocation

• Wydawca: Gdańsk University of Technology, Faculty of Ocean Engineering & Ship Technology
• Czasopismo: Polish Maritime Research
• Rocznik: 2023
• Tom: nr 2
• Strony: 121--129
• Opis fizyczny: Bibliogr. 10 poz., rys., tab.

Twórcy

autor

Liu Baoheng

• The PLA Navy Submarine Academy, China

• https://orcid.org/0000-0002-9914-8691

autor

Zhang Xiaochuan

• The PLA Navy Submarine Academy, China

autor

Jia Shuyang

• The PLA Navy Submarine Academy, China

autor

Zou Sichen

• The PLA Navy Submarine Academy, China

autor

Tian Deyan

• The PLA Navy Submarine Academy, China

autor

Da Lianglong

• Naval Submarine Academy, China

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).