輻輳海域シミュレータのマラッカ・シンガポール海峡への適用

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Osaka University has developed "Marine Traffic Simulator" for long years. It reproduce realistic traffic flows according to the statistic data provided, including multiple origins and destinations, arbitrary waypoints, traffic density and ship specifications such as ship type, length, speed and manoevring ability. Further and unique feature of the simulator is automatic collision avoidance. Each ship is operated by a computerised captain/pilot, according to international regulation, local regulations and human's experience. In previous researches it was applied for world top congested area such as Tokyo Bay and Osaka Bay successfully. It was also revised for inland waterways and applied for an European river transportation. It has utillised for various safety assessment, influenced by navigational regulations such as lane and/or speed, traffic density, alternative plans, AIS usage etc. In this paper, it is applied at the Straits of Malacca and Singapore, another most congested waterway in the world, because of it's difficulties on its broadness and lack of statistic data. Analysing and synthesising several incomplete information availabe, the data necessary for the simulation was prepared. Safety assessment of this area was done, using nearmiss and collision indices. Nearmiss points distribute widely in the straits, and collision points concentrate near of Singapore port or crossing points. However, the number of collisions is larger than the real statistics. Future consideration is necessary of improve collision algorithm fitting for more congested area.
2010-03-25

輻輳海域シミュレータのマラッカ・シンガポール海峡への適用

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