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http://dx.doi.org/10.5762/KAIS.2010.11.3.808

Development of Acoustic Positioning System for ROV using SBL System  

Yu, Son-Cheol (School of Environmental Science and Engineering, POSTECH)
Byun, Seung-Woo (Department of Ocean System Engineering, Jeju National University)
Kim, Joon-Young (Department of Ocean System Engineering, Jeju National University / Marine and Environmental Research Institude of Jeju National University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.11, no.3, 2010 , pp. 808-814 More about this Journal
Abstract
In this paper we executed a SBL(Short Baseline) underwater acoustic positioning system that is a kind of underwater position estimation system to estimates the 3-dimensional position of ROV(Remotely Operated Vehicle) using hydrophones and DAQ(Data Acquisition) system in the basin which dimensions are $3{\times}3{\times}1.7(m)$. For this experiment, we let 4 hydrophones in different positions of the basin for receiver and 1 hydrophone is fixed on the underwater vehicle for transmitting sensor(pinger). These five hydrophones are communicated with each other to find the 3-D positions of the moving ROV in the basin. The measured signals are collected by DAQ system and the positions of the ROV are plotted by LabView program in real-time. To estimate the position of the ROV we used a trigonometric method. In X and Y plane the estimated data has a small errors but in Z plane the estimated data has large errors so we cannot use this data for position control. One solution of this problem is using depth sensor that implemented of the underwater vehicle. Hereafter, we will test in the ocean using designed SBL system.
Keywords
APS(Acoustic Position System); SBL(Short BaseLine); ROV(Remotely Operated Vehicle); Hydrophone; DAQ(Data Acquisition);
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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