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中文摘要：
采用演化算法对某高空长航时无人机机翼结构进行多目标优化设计时，由于需要大量的演化迭代和很多次的有限元分析计算，使演化算法相当耗时。为了提高效率，采用模型管理框架对该机翼结构进行多目标优化设计。采用模型管理框架可以建立满足精度要求的目标及约束的近似模型，使演化算法不仅避免了大量的有限元分析计算，而且获得了满意的该高空长航时无人机机翼结构的多目标优化设计结果。
英文摘要：
Evolutionary algorithm is time-consuming because of the large number of evolutions and much times of finite element analysis, when it is used to optimize the wing structure of a certain high altitude long endurance unmanned aviation vehicle（UAV）. In order to improve efficiency it is proposed to construct a model management framework to perform the multi-objective optimization design of wing structure. The sufficient accurate approximation models of objective and constraint functions in the wing structure optimization model are built when using the model management framework, therefore in the evolutionary algorithm a number of finite element analyses can he avoided and the satisfactory multi-objective optimization results of the wing structure of the high altitude long endurance UAV are obtained.
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