航路航行船の船首時間間隔と横断船の避航挙動

概要

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We propose an alternative definition of time headway of ships in fairway traffic flow, which is a basic traffic characteristics in analyzing traffic phenomena in fairway crossing, based on their relative positions to the crossing ships in this study. The conventional definition of this headway has been defined as the time difference of consecutive ships arriving at a certain line fixed in transverse with the traffic flow. However, the major interest of a navigator who wishes to cross the flow is the distance to the closest ships both in right and left hand sides measured in time at the instance when the crossing ship crosses the sailing courses of ships in the flow. Taking this fact into consideration, new time headway is defined. The case study based on selected observation data shows that the proposed model is useful to analyze crossing behavior of the ships by tracing giveway motions along time.
社団法人日本航海学会の論文
1995-03-25