Abstract:The current research on reroute planning is short of the analysis of spatial structure according to local conditions. In view of this, the corresponding reroute planning method was designed for parallel routes. Firstly, a new reroute planning method for single aircraft was designed by combining grid environment with dynamic programming method. Then, based on this method, in view of the problems that may be faced by the parallel route rerouting, after fully considering the flight safety and economy, the corresponding rerouting priority allocation mechanism was designed to solve these problems. Finally, taking the newly opened Chengdu-Lasa double line in Southwest China as an example, the simulation was carried out. The simulation results show that: compared with the reroute planning method based on geometric algorithm, the proposed method can reduce 5% flight mileage and 8% fuel consumption on the basis of ensuring flight safety. Therefore, the proposed method is a safe and economical reroute planning method for parallel routes.
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