洋上空域の近接解決のための制御手法

概要

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Control methods were evaluated, which resolve conflict in the oceanic airspace. A simulation was carried out, in which aircraft flies on its requested altitude based on the current traffic volume of east bound traffic. Pair of adjacent aircraft were detected that fly at the same altitude at the significant point in the oceanic air route with shorter longitudinal separation than the separation standard. Cross fix time and altitude are assigned on each flight at the significant point in the oceanic air route, in order to keep separation of the pair of adjacent aircraft. The ratio of average altitude change and time change of aircraft is controlled with the time threshold of the control methods. Two control methods were compared. One method sets priority of aircraft on the sequence of departure time and another sets priority on the sequence of cross fix time at the point. The simulation result shows that the control method of the cross fix time sequence is better than that of the departure time sequence with respect to the average of altitude change, the average of time change and the variance of altitude change on the classification of departure airport. The control method of the cross fix time sequence is effective and impartial.
社団法人日本航海学会の論文
2003-09-25