碳纤维复合薄壁材料的无人机机翼结构优化设计  

Optimization Design of Structure of Unmanned Aerial Vehicle Wing with Carbon Fiber Composite Thin Wall Material

作　　者：樊新乾[1] 武晓英 麻丽明 方红彬[1] FAN Xin-qian;WU Xiao-ying;MALi-ming;FANG Hong-bin(Hebei Institute of Mechanical and Electrical Technology,Xingtai 054000,China)

机构地区：[1]河北机电职业技术学院,河北邢台054000

出　　处：《塑料科技》2022年第9期109-113,共5页Plastics Science and Technology

基　　金：河北省省级科技计划资助河北省创新能力提升计划项目科学普及专项(20551601K)。

摘　　要：无人机机翼结构铺层优化设计可减轻结构质量,为提升无人机机翼结构强度和降低无人机机翼结构质量,设计碳纤维复合薄壁材料的无人机机翼结构铺层优化方法。采用碳纤维T700、环氧树脂5208及Nomex蜂窝夹层优化设计碳纤维复合薄壁材料,以提升复合薄壁材料的强度。将无人机机翼结构模型内无人机机翼结构与参数作为输入,使用遗传寻优算法对无人机机翼铺层顺序实施基因编码,设置其应变约束、变形约束和稳定性约束条件。建立无人机机翼结构铺层优化铺层厚度优化数学模型和铺层层数适应度函数,并依据其约束条件对其实施求解,以实现碳纤维复合薄壁材料的无人机机翼结构铺层优化。结果表明:该方法可有效优化碳纤维复合薄壁材料的无人机机翼结构铺层厚度和层数,并提升无人机机翼结构的强度。The ply optimization design of unmanned aerial vehicle wing structure can reduce the structural mass.In order to improve the structural strength and reduce the mass of unmanned aerial vehicle wing structure,the ply optimization method of unmanned aerial vehicle wing structure with carbon fiber composite thin-walled material is designed.Carbon fiber composite thin-walled material is optimized by using carbon fiber T700,epoxy resin 5208 and Nomex honeycomb sandwich to improve the strength of composite thin-walled material.The unmanned aerial vehicle wing structure and parameters in the unmanned aerial vehicle wing structure model are used as input,and the genetic optimization algorithm is used to encode the unmanned aerial vehicle wing layer sequence,and the strain constraint,deformation constraint and stability constraint are set.The mathematical model of ply thickness optimization and the fitness function of ply number of unmanned aerial vehicle wing structure are established and solved according to the constraint conditions to realize the ply optimization of unmanned aerial vehicle wing structure with carbon fiber composite thin-walled material.The results show that this method can effectively optimize the ply thickness and layer number of unmanned aerial vehicle wing structure of carbon fiber composite thin-walled material,and improve the strength of unmanned aerial vehicle wing structure.

关 键 词：碳纤维 无人机 机翼结构 铺层优化 遗传算法 

分 类 号：TB332[一般工业技术—材料科学与工程] V279[航空宇航科学与技术—飞行器设计]