基于不确定性的飞行器总体设计应用  

Application of Aircraft Overall Design based Uncertainty

作　　者：池元成[1] 刘闻 李晶[1] 王长庆[1] CHI Yuan-cheng;LIU Wen;LI Jing;WANG Chang-qing(China Academy of Launch Vehicle Technology,Beijing,100076,China)

机构地区：[1]中国运载火箭技术研究院,北京100076

出　　处：《强度与环境》2021年第6期45-49,共5页Structure & Environment Engineering

基　　金：国家重点研发计划项目(2020YFB1709400)。

摘　　要：飞行器总体设计在飞行器研制过程中具有重要地位。由于工程实际中存在的不确定性因素,需要在传统确定性问题的基础上,考虑不确定性因素的影响。因此,通过分析确定性优化问题和不确定性优化问题的流程,结合飞行器总体设计,分析了确定性优化问题中不确定性因素的影响,并根据影响结果,建立了不确定性优化问题,在满足约束条件下,获得了不确定性条件下最优解,显著提高了满足约束的概率。The overall design of aircraft plays an important role in the process of aircraft development.Due to the uncertain factors in practical engineering,it is necessary to consider the influence of uncertain factors on the basis of traditional deterministic problems.Therefore,by analyzing the process of deterministic optimization problem and uncertain optimization problem,combined with the overall design of aircraft,the influence of uncertain factors in deterministic optimization problem is analyzed,and according to the influence results,the uncertain optimization problem is established.Under the constraint conditions,the optimal solution under the uncertainty conditions is obtained,which significantly improves the probability of meeting the constraints.

关 键 词：不确定性 飞行器总体设计 差分进化算法 优化设计 

分 类 号：V211.4[航空宇航科学与技术—航空宇航推进理论与工程]