| 模糊数学用于飞机总体参数的优化设计 |
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| 引用本文： | 张永顺,魏法杰.模糊数学用于飞机总体参数的优化设计[J].航空学报,1987,8(8):430-435. |
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| 作者姓名： | 张永顺 魏法杰 |
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| 作者单位： | 北京航空学院 |
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| 摘 要： | 一、引言 飞机总体参数设计是飞机全局性的综合设计,是整个飞机设计工作战略性的一步,它是围绕如何达到使用技术要求这个目标来进行的。使用技术要求对设计飞机的主要性能指标提出了起码的限度值。然而,这一阶段的设计工作是粗略的、不精密的。
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| 收稿时间： | 1986-06-14; |
THE APPLICATION OF FUZZY SETS THEORY TO OPTIMAL DESIGN OF PRELIMINARY PARAMETERS OF AIRCRAFT |
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| Zhang Yongshun,Wei Fazie.THE APPLICATION OF FUZZY SETS THEORY TO OPTIMAL DESIGN OF PRELIMINARY PARAMETERS OF AIRCRAFT[J].Acta Aeronautica et Astronautica Sinica,1987,8(8):430-435. |
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| Authors: | Zhang Yongshun Wei Fazie |
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| Institution: | Beijing Institute of Aeronautics and Astronautics |
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| Abstract: | In this paper, the menbership functions are established based on the fuzzy sets theory and the properties of preliminary parameters of aircraft. An index of the menbership function is proposed to express quantitively to what extent do a certain plan or property belongs to the "satisfactory" set. Then, the caloulating formula for synthetic evaluation is set up by the use of weighting function method, and the optimal preliminary parameters of aircraft are obtained by means of unrestrictive optimization method.An illustrative example is also given in this paper, and its result is satisfactory. |
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