基于环境影响的飞机进场性能参数优化
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摘要
为了在满足空中交通管理具体运行的限制下降低民航飞机进场过程中发动机排放对环境造成的影响,研究了飞行参数优化问题。首先根据进场飞行轨迹特点构建了飞机进场模型;然后综合考虑油耗、发动机排放对环境的影响以及飞行过程实现的便捷性构建了优化目标;最后基于多目标遗传算法建立了优化求解模型。以空客A321飞机为例分析了速度变化对优化目标的影响,并进行了优化仿真试验。仿真结果表明,飞行参数优化结果主要受空管运行的最大约束时间限制,所提优化方法能够有效降低进场过程对环境的影响。
In order to reduce the impact of engine emissions on the environment with restricts of air traffic management operation, the flight parameter optimization problem is studied. Firstly, the aircraft approach model was constructed according to the characteristics of the approach flight trajectory. Then, the influence of engine emissions on the environment, fuel consumption and the convenience of flight process were used to establish optimization objects. Finally, the optimization solution model was established based on multi-objective genetic algorithm. The A321 aircraft is taken as an example to analyze the influence of speed change on the optimization objects. The simulation results show that the flight parameter optimization results are mainly limited by the maximum constraint time of the air traffic management operation. The proposed optimization method can effectively reduce the impact of the approach process on the environment.
In order to reduce the impact of engine emissions on the environment with restricts of air traffic management operation, the flight parameter optimization problem is studied. Firstly, the aircraft approach model was constructed according to the characteristics of the approach flight trajectory. Then, the influence of engine emissions on the environment, fuel consumption and the convenience of flight process were used to establish optimization objects. Finally, the optimization solution model was established based on multi-objective genetic algorithm. The A321 aircraft is taken as an example to analyze the influence of speed change on the optimization objects. The simulation results show that the flight parameter optimization results are mainly limited by the maximum constraint time of the air traffic management operation. The proposed optimization method can effectively reduce the impact of the approach process on the environment.
引文
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[2] Campbell S E,Bragg M B,Neogi N A.Fuel-optimal trajectory generation for persistent contrail mitigation[J].Journal of Guidance,Control,and Dynamics,2013,36(6):1741-1750.
[3] Cook A,Tanner G,Williams V,et al.Dynamic cost indexing managing airline delay costs[J].Journal of Air Transport Management,2010,15(1):26-35.
[4] Sridhar B,Ng H K,Chen N Y.Integration of linear dynamic emission and climate models with air traffic simulations[R].AIAA-2012-4756,2012.
[5] Edwards H A,Dixon-hardy D,Wadud Z,et al.Aircraft cost index and the future of carbon emissions from air travel[J].Applied Energy,2016,164(C):553-562.
[6] 魏志强,张文秀,韩博.考虑飞机排放因素的飞机巡航性能参数优化方法[J].航空学报,2016,37(11):3485-3493.
[7] Pawelek A,Lichota P,Dalmau R,et al.Assessment of arrival traffic synchronisation with RTAS and fuel-efficient trajectories[R].AIAA-2017-3770,2017.
[8] Murrieta M A,Bunel A,Botez R M.Aircraft vertical reference trajectory optimization with a RTA constraint using the ABC algorithm[R].AIAA-2016-4208,2016.
[9] 谷润平,袁婕,魏志强.基于遗传算法的RTA进场飞行参数优化[J].飞行力学,2018,36(5):20-24.
[10] Elham A,Curran R.Vertically curved runways for reducing airport environmental impact and increasing aircraft productivity[J].Journal of Aircraft,2015,52(5):1681-1691.