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[an error occurred while processing this directive]复合微下击暴流风场下小型无人机的飞行分析
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王文博(1999—),男,硕士研究生。E-mail: 2865480198@qq.com |
收稿日期: 2024-08-19
网络出版日期: 2025-03-12
Flight Analysis of Small UAV Under Composite Micro-downburst Wind Field
Received date: 2024-08-19
Online published: 2025-03-12
王文博 , 李海城 , 吴超 , 车晓涛 , 杜明磊 . 复合微下击暴流风场下小型无人机的飞行分析[J]. 弹箭与制导学报, 2025 , 45(1) : 17 -25 . DOI: 10.15892/j.cnki.djzdxb.2025.01.003
To study the influence of the composite microburst wind field on the cruise phase of a light and small fixed-wing unmanned aerial vehicle (UAV), in this paper, a Dryden atmospheric turbulence model and a microburst model are constructed, and after fusing them, a composite microburst wind field model is created. Take a specific electric-powered UAV as the object of study and carry out a six-degree-of-freedom rigid body ballistic model simulation analysis, the simulation results show that the newly established composite wind field model has better randomness and typical wind shear characteristics and it can effectively depict the actual composite microburst wind field distribution and change. Under the influence of this composite wind field, the UAV has experienced a significant loss of height, and when the central induced velocity is between 10~25 m per second, the loss of height reached 168~537 m. Furthermore, the flight parameters of UAV, including flight duration, angle of attack, sideslip angle, and power margin, have changed in different degree.
Key words: Dryden model; micro-downburst; UAV; cruise phase
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