操船者が感じる負担の程度と避航操船空間閉塞度との対応

概要

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It is desirable to set the boundary of the maximum permissible level of marine traffic safety, when designing the feasible plans of marine traffic routes and so on. The Blocking Coefficient (BC value), which express the potential collision risk, is one of the practical and objective index to grasp the level of marine traffic safety. So, it is the goal of this paper to set the boundary of the permissible level of marine traffic, using the BC value. At first, the author proposes a model to express mental load of navigator (including the internal process). Subsequently, using the results obtained through ship-handling simulator experiments, author shows the relationship between the subjective degree of mental load and the BC value, and also points out the knowledge based on the concept of the mental load model proposed in this paper. The main point of the knowledge, related the boundary of the maximum permissible level of marine traffic safety, is as follows, ・ The traffic condition, the BC value exceed 0.6 (0.4) has being kept the same situation more than 1min. (3min.), is the boundary of the maximum permissible level of marine traffic safety from a viewpoint of the mental load.
社団法人日本航海学会の論文
1998-09-25