Feasibility Study on Improvement of Cruise Flight Time Prediction via Aircraft Mass Estimation during Climb Trajectory

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  • 上昇軌道における質量推定による巡航飛行時間の予測精度向上の試み
  • ジョウショウ キドウ ニ オケル シツリョウ スイテイ ニ ヨル ジュンコウ ヒコウ ジカン ノ ヨソク セイド コウジョウ ノ ココロミ

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<p>A precise and accurate trajectory prediction is indispensable for efficient air traffic management with a large traffic throughput achieved by four-dimensional trajectory prediction. Recent aircraft are able to fly along their optimum trajectories. The configurations of these optimum trajectories also depend on aircraft mass. However, information on aircraft mass are generally unavailable for air traffic controllers; they are seldom applied for actual operations. To overcome such inconvenience, recent studies demonstrated aircraft mass estimation from their flight trajectories. This study further aims at applying the mass estimation for the prediction of cruise flight time. Aircraft mass are estimated from actual climb trajectory data, and the correlation between the estimated mass and flight time error are confirmed. The regression and correction has revealed that the presented methodology is able to reduce the mean square error of the flight time prediction by half. </p>

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