制約水域における航過距離と離隔距離に関する操船者意識のモデル化

概要

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When a ship's operator attempts to avoid other ships or obstacles, it is well-known that some imaginary domain, which never let other ships or obstacles invade, exists around the ship, and this domain changes its size or shape under the influence of circumstances such as expanse of sea, traffic congestion or ships' speed. Models of these domains in wider sea such as bay or channel have been advocated and practical. But in restrected sea such as harbour, the state of affairs of domain is still unknown. On the basis of the above consideration, we made inquiries to pilots and captains about minimun passing distance between ships or obstacles in harbour, and then found that can be closely resembled by regression lines through the regression analysis. As the result of the investigation, we proposed models of mariners' senses on passing distance between ships or obstacles in harbour which is resembled by logarithmic normal distribution.
社団法人日本航海学会の論文
1994-03-25