摘要
基于构建的场面跑道、滑行道和停机坪的航空器交通流元胞传输模型和场面交通网络布局图,分析了场面航空器常发性和偶发性拥堵的交通流特性,推演了航空器交通流的相态变化规律和形成机理。研究结果表明:场面航空器的进场率和推出率对场面航空器交通流不同相态下常发性交通拥堵的形成和消散产生显著影响。交通流的不同相态对应的偶发性拥堵程度不同,在堵塞流相态下,需进行航空器绕行、等待等拥堵疏散控制策略。研究内容为机场场面资源运行和管理奠定了理论基础。
The study of surface aircraft traffic flow characteristics and congestion mechanism are vital to reduce surface congestion and improve the efficiency of surface operation.Based on CTM,the cell transmission models in combination with runway cells,taxiway cells and apron cells were established.In addition,the airport surface traffic network layout was set up to analyze the traffic flow characteristics of airport surface recurrent and non-recurrent traffic congestion.The phase evolution rules and formation mechanism of airport surface traffic flow were simulated.Simulation results show that arrival rates and pushback rates of aircraft have significant influence on the formation and dissipation of the recurrent traffic congestion in different phases of surface traffic flow.Different traffic flow phases correspond to different degrees of non-recurrent traffic congestion.In the block flow phase,it is necessary to carry out the traffic dissipation control strategies,such as passing round or waiting.This research can provide theoretical basis for operation and management of airport surface resources.
引文
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