危险天气下改航路径网络规划

Rerouting path network planning under dangerous weather

针对现有改航路径规划模型未考虑多机改航时的关联效应和路径网络特性等问题,提出了基于两阶段分析的改航路径网络规划方法。首先利用栅格法模拟改航环境,然后在单一改航路径规划的基础上形成初始路径网络,进而给出引入流量约束的网络规划模型和基于改航点布局的求解策略,最后利用NSGA-Ⅲ算法对我国东南地区局部空域运输系统进行仿真分析,结果表明该规划方法能有效避免飞行冲突,提高网络综合特性,具备一定参考价值。

Since the existing rerouting path planning model does not consider the correlation effect and network characteristics of multi-aircraft rerouting, a path network planning method based on two-stage analysis is proposed. Firstly, the grid method is used to simulate rerouting environment. Secondly, the initial path network is formed on the basis of single rerouting path planning, then the network planning model with introduction of traffic constraints and the solution strategy based on layout of the rerouting points are presented. Finally, the NSGA-Ⅲ algorithm is used to make simulation analysis of local airspace transportation system in southeastern China, and the results show this planning method which possesses a certain reference value can effectively avoid flight conflicts while improving the overall characteristics of the network.