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基于学科间差异信息的协同优化改进算法 被引量：3

An Improved Collaborative Optimization Based on Multidisciplinary Inconsistency
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摘要 分析了MDO(Multidisciplinary Design Optimization)中广泛应用的协同优化算法的特点和存在的问题,提出了一种基于学科间差异信息的协同优化改进算法COMI(Collaborative Optimization based on Multidisciplinary Inconsistency)。利用学科间差异信息构造了系统级松弛约束和系统级罚函数,利用遗传算法作为系统级优化算法,并采用标准算例比较了标准CO(Collaborative Optimization)算法、松弛CO算法与COMI算法的性能。结果表明COMI算法在设计结果可行性和最优值上平衡性较好。 Reasons that cause computational difficulties in collaborative optimization are analyzed and the COMI(Collaborative Optimization Based on Multidisciplinary Inconsistency) algorithm is presented.Relax constraints and system level penalty function are constructed based on inconsistency information between disciplinaries,and a GA optimizer is used to solve a typical MDO question.Simulation results show that the feasibility and the optimal value of COMI is more balanced than the standard CO algorithm and the re...
作者 冯向军 戴金海
机构地区 国防科技大学航天与材料工程学院
出处 《国防科技大学学报》 EI CAS CSCD 北大核心 2008年第2期128-134,共7页 Journal of National University of Defense Technology
关键词 协同优化 学科间差异 多学科设计优化 collaborative optimization multidisciplinary inconsistency multidisciplinary design optimization
分类号 TP301.6 [自动化与计算机技术—计算机系统结构]
  • 相关文献

参考文献9

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二级参考文献19

  • 1韩明红,邓家禔.复杂工程系统多学科设计优化集成环境研究[J].机械工程学报,2004,40(9):100-105. 被引量：29
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共引文献58

同被引文献24

  • 1陈仁伍,谷良贤,龚春林.一种新的多学科设计优化方法[J].宇航学报,2008,29(1):100-103. 被引量：3
  • 2韩明红,邓家禔.协同优化算法的改进[J].机械工程学报,2006,42(11):34-38. 被引量：34
  • 3Kroo I, Manning V. Collaborative optimization: status and directions [R] . AIAA 20004721, 2000.
  • 4Natalia M, Alexandrov, Robert Michael Lewis. Analytical and computational aspects of collaborative optimization for multidisclplinary design [J]. AIAA Journal, 2002,40(2).
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  • 7PARVIZ M Z,VASSILI V T,ALASTAIR S W.Use of global approximation in the collaborative optimization[C] //Proceedings of the 10th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference.Reston,Va.,USA:AIAA.2004:3934-3944.
  • 8HERSKOVITS J,MAPPA P,GOULART E,et al.Mathematical programming models and algorithms for engineering design optimization[J].Computer Methods in Applied Mechanics and Engineering,2005,194:3244-3268.DOI:10.1016/j.cma.2004.12.017.
  • 9LIN J G.Analysis and enhancement of collaborative optimization for multidisciplinary design[J].AIAA Journal,2004,42 (2):348-360.
  • 10SOBIESKI I P,KROO I M.Collaborative optimization using response surface estimation[J].AIAA Journal,2000,38(10):1931-1938.

引证文献3

二级引证文献3

国防科技大学学报
2008年 第2期

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