基于多轨迹预测的飞机近地防撞技术研究

Research on Aircraft Near-ground Collision Avoidance Technology Based on Multi-trajectory Prediction

针对飞机近地飞行安全问题,提出了一种基于多轨迹预测的飞机近地防撞技术实现方法。建立了飞机近地防撞功能触发的架构逻辑和评价标准,设计了一套六自由度多轨迹实时预测的轨迹预估算法和防撞控制算法,将近地防撞模型与飞机模型结合起来,在数字仿真环境中验证整套算法的合理性。结果表明,基于多轨迹预测的飞机近地防撞算法实时性好,飞行轨迹预测准确性高,逻辑架构鲁棒性强,易于成果转化,具有很高的工程应用价值。

Aiming at the problem of aircraft near-ground flight safety,a new approach based on multi-trajectory prediction is proposed.The architecture logic and evaluation criteria of the trigger of aircraft ground collision avoidance technology are established.Secondly,a six-degree-of-freedom multi-trajectory real-time prediction algorithm and collision avoidance control algorithm are designed.Finally,the ground collision avoidance model is combined with the aircraft model to verify the validity of the whole algorithm in the digital simulation environment.The results show that the aircraft ground collision avoidance algorithm based on multi-trajectory prediction has high real-time performance,high accuracy of flight trajectory prediction,robust logic architecture,easy to convert results,and has high value in engineering application.