正X机身四旋翼太阳能无人机结构设计

刘宇凡; 关鹏; 马骏; 范文艳; 徐博铭

doi:10.19912/j.0254-0096.tynxb.2023-0500

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太阳能学报 ›› 2024, Vol. 45 ›› Issue (8) : 295-303. DOI: 10.19912/j.0254-0096.tynxb.2023-0500

正X机身四旋翼太阳能无人机结构设计

刘宇凡, 关鹏, 马骏, 范文艳, 徐博铭

作者信息 +

STRUCTURAL DESIGN OF FOUR-ROTOR UNMANNED AERIAL VEHICLE WITH POSITIVE X-SHAPED BODY

Liu Yufan, Guan Peng, Ma Jun, Fan Wenyan, Xu Boming

Author information +

文章历史 +

摘要

设计了一款正X机身的四旋翼复合材料太阳能无人机。基于流固耦合方法分别分析该型无人机各组件的气动特性、强度特性和失稳特性,并结合3D-DIC方法开展碳纤维杆件结构静力学试验。结果表明：搭载光伏组件可有效提升四旋翼无人机的稳定悬停时间;在额定工况下,机身所受载荷不会随着飞行角度发生较大变化;在垂直飞行时,其载荷集中在中心区域;通过屈曲分析得到无人机的最大爬升速度为4 m/s,此时,泡沫板、主梁和太阳电池均满足强度要求;仿真结果与静力学试验结果的相对误差为15%,可满足工程设计的要求。

Abstract

A four-rotor composite solar powered unmanned aerial vehicle （UAV） with a positive X-shaped body was designed. The aerodynamic characteristics, strength characteristics, and instability characteristics of each component of the UAV were analyzed using fluid-structure coupling method, and static tests of the carbon fiber rod were conducted using non-contact measurement method. The results show that carrying solar cells can effectively increase the stable hovering time of the UAV. Under the rated conditions, the load on the body does not change significantly with the flight angle, and when flying vertically, the load is concentrated in the central region of the UAV. The maximum climbing speed of the UAV is 4 m/s which is obtained through buckling analysis, and at this speed, the foam board, main beam, and solar cells all meet the strength requirements. The relative error between the simulation results and the static test results is 15%, which can meet the requirements of engineering design.

导出引用

刘宇凡, 关鹏, 马骏, 范文艳, 徐博铭. 正X机身四旋翼太阳能无人机结构设计[J]. 太阳能学报. 2024, 45(8): 295-303 https://doi.org/10.19912/j.0254-0096.tynxb.2023-0500

Liu Yufan, Guan Peng, Ma Jun, Fan Wenyan, Xu Boming. STRUCTURAL DESIGN OF FOUR-ROTOR UNMANNED AERIAL VEHICLE WITH POSITIVE X-SHAPED BODY[J]. Acta Energiae Solaris Sinica. 2024, 45(8): 295-303 https://doi.org/10.19912/j.0254-0096.tynxb.2023-0500

中图分类号： V272

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