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1 TransNav : International Journal on Marine Navigation and Safety of Sea Transportation

1 2007

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Combined maneuvering analysis, AIS and full-mission simulation

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Aarsæther K. G. , Moan T.

tom Vol. 1, no. 1

31--36

This paper deals with a method for identifying the main parameters of a maneuver using both real-time full mission simulators and positioning data obtained from the Automatic Identification System of the same area. The effort required for experiments in real time maneuvering is naturally larger than the effort required to collect already available data. Analysis of both data sources is presented. We show how the curvature of the ships track can be related to the wheel-over point and further used to estimate the main parameters of a course-changing maneuver. The southern approach to the Risavika harbor in the southwest of Norway is used as a demonstration. The approach angle and turning circle diameter was accurately identified in both AIS and simulator data, but significant navigational markings was only quantifiable in simulator data.