Coastal Navigation with Marine Radar for USV Operation in GPS-Restricted Situations GPS 사용 제한 조건에서의 무인선 레이다를 활용한 연안항법

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Global positioning system (GPS) is an important navigational device for field operations with unmanned surface vehicles (USVs) in marine environments. However, the use of GPS may not be available in some situations because GPS signals can be easily blocked by large surrounding structures and are vulnerable to natural interference and intentional jamming attacks. This study proposes an alternative navigation approach for USV operation with an onboard marine radar when the use of GPS is restricted and prohibited. Marine radar is a standard navigational sensor for a marine vehicle that can be utilized for vehicle localization in coastal areas. The surrounding coastlines can be extracted from radar measurements and the vehicle's position can be estimated by matching the obtained coastline features with a pre-built map. The performance of the proposed navigation method was assessed by a field experiment in a real coastal environment. The results are presented and discussed in this paper.
Publisher
Institute of Control, Robotics and Systems
Issue Date
2018-08
Language
English
Article Type
Article
Citation

Journal of Institute of Control, Robotics and Systems, v.24, no.8, pp.736 - 741

ISSN
1976-5622
DOI
10.5302/J.ICROS.2018.18.0087
URI
http://hdl.handle.net/10203/248314
Appears in Collection
ME-Journal Papers(저널논문)
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