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    題名: 多目標模糊結構設計的替代α階切策略
    其他題名: Alternative α-Cut Method for Multiobjective Fuzzy Structural Design
    作者: 史建中;紀承昌
    貢獻者: 淡江大學機械與機電工程學系
    關鍵詞: 多目標最佳化;替代型階切法;模糊最佳化;結構最佳化;結構工程;Multiobjective fuzzy nonlinear optimization;Alternative level-cut approach;Fuzzy optimization;Structural optimization;Structural engineering;A-cut method
    日期: 2002-12
    上傳時間: 2014-03-07 11:48:59 (UTC+8)
    摘要: 基礎的模糊限制條件最佳化的.alpha.切法,選擇α值及得到唯一解是困難的。本文採用 三角模糊參數的表示,提出替代型單切的線性與非線性.alpha.表示函數及最佳化演算方法。本文所提的最佳化數學模型,可得到唯一合理折衷解。在多目標設計的問題裡,本文之結 果顯示替代型單切法和一般認可之max-a 結果相近。工程設計例亦顯示線性的目標函數 .alpha.切表示式似優於非線性之.alpha.切表示式。
    An alternative a- level cut for solving multiobjective nonlinear structural design problemswith fuzzy resources were developed and proposed in this paper. The conventional standarda-cut method of fuzzy linear programming (FLP) inspired this development of innovative fuzzynonlinear programming (FNLP) solution method. The conventional a-cut method applied onFNLP problems, the proposing novel formulation, and their inter-relations were simultaneouslypresented in this paper. The structural design example generally illustrated that the presentingapproach notably analogy to the max-a method. Linear or nonlinear membership func tions ofobjective functions can be selected by designer depending on the real situations of designobjectives. The presenting alternative a-level cut approach guaranteed to obtain the uniqueoptimum design on multiobjective nonlinear engineering problems with fuzzy resources.
    關聯: 第26屆中華民國力學學會年會暨全國力學會議論文集,9頁
    顯示於類別:[機械與機電工程學系暨研究所] 會議論文

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