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《Aeronautical Computing Technique》 2006-06
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Plane System Design Optimization Based on Multimethod Collaborative Optimization

YANG Wei-wei,CHEN Xiao-qian,YAO Wen,LUO Wen-cai(Inst.of Aerospace & Material Engineering,National Univ.of Defense Technology,Changsha 410073,China)  
As there is no apparent relation formula between the object functions and optimization variables of plane system design,a Multimethod Collaborative Optimization(MCO) algorithm combined with genetic algorithms,pattern search methods and Powell′s methods is adopted while the model has been established which includes propulsion,aerodynamic,performance and weight subjects.And then the sensitivity of each variable based on the optimal scheme is analyzed.Compared with the initial scheme,the total weight reduces(11.6%) after optimization.The results show that MCO is effective for plane system design.
【Fund】: 国家自然科学基金资助项目(10302031);; 国家863计划资助项目(2005AA721051)
【CateGory Index】: V221
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