HRCAK2006 - 21687The Calculation Of The Own Ship Motion

Jelenko Švetak, The Calculation Of The Own Ship Motion, Journal of Maritime Studies, Vol.21 No.1 June 2007.



The Calculation Of The Own Ship Motion
Jelenko Švetak, Ph.D. [Faculty of Maritime Studies and Transportation, University of Ljubljana]

ABSTRACT
The article presents a methodology for the estimation of the own ship motion elements (COG and SOG), by using ARPA. It describes some peculiarities in the methodology for the calculation of the own ship motion elements and its application, depending on the relative position of the ship and her distance to the benchmarks.
Based on this methodology, an algorithm is elaborated by using the navigational simulator of the Faculty of Maritime Studies and Transportation of the University of Ljubljana, and which may be realized by means of a PC. The computer may be connected to the ARPA system via a special output device.

KEYWORDS
Safety of Navigation; ARPA; Course over Ground (COG); Speed over Ground (SOG)

Source : hrcak.srce.hr

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