The invention provides a multi-level low-altitude air route network construction method in a complex urban environment, and relates to the technical field of low-altitude air route construction, and the method comprises the steps: building a low-altitude flight rule base; performing three-dimensional discretization on the urban space, and dividing the airspace into three-dimensional grids; designing a risk assessment function R; dividing a plurality of height layers, and distributing the height layers for different types of aircrafts; constructing a multi-stage air route network; constructing an airspace three-dimensional airway model; based on the airspace three-dimensional air route model, adopting a hybrid iterative algorithm to optimize the air route planning of each height layer; performing path smoothing on the discrete path points generated by the hybrid iterative algorithm by adopting a B spline curve, and performing flight performance verification on the smoothed path to obtain a continuous flight path; and generating a low-altitude air route network according to the continuous flight path. According to the method, the defects in the aspects of complex urban environment processing, multi-source data integration, multi-level airspace division, path optimization and the like in the prior art can be overcome, so that safe, efficient and flexible low-altitude flight management is realized.
本发明提出复杂城市环境下的多层次低空航路网构建方法,涉及低空航路构建技术领域,包括:建立低空飞行规则库;对城市空间进行三维离散化,将空域划分为三维网格;设计风险评估函数R;划分多个高度层,为不同类型的飞行器分配高度层;构建多级航路网;构建空域三维航路模型;基于空域三维航路模型,采用混合迭代算法优化各高度层的航路规划;对混合迭代算法生成的离散路径点,采用B样条曲线进行路径平滑,对平滑后的路径进行飞行性能验证,得到连续可飞行路径;根据连续可飞行路径,生成低空航路网。本发明能解决现有技术在处理复杂城市环境、多源数据整合、多层次空域划分以及路径优化等方面的不足,从而实现安全、高效、灵活的低空飞行管理。
Multi-level low-altitude air route network construction method in complex urban environment
复杂城市环境下的多层次低空航路网构建方法
2025-02-25
Patent
Electronic Resource
Chinese
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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