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工程力学  2015 

平流层飞艇的多目标优化与决策

DOI: 10.6052/j.issn.1000-4750.2013.11.1106, PP. 243-250

Keywords: 平流层飞艇,多目标优化,SPEA,Pareto前沿,多目标决策,信噪比

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Abstract:

该文建立了以平流层飞艇阻力最小、自重最轻、极限承载力最大及刚度最大为优化目标的多目标优化模型;采用强度Pareto进化算法(SPEA)进行了多目标优化设计;基于优化所得的Pareto解集,采用基于信噪比的决策方法选择满足实际需要的最终方案。结果表明:采用的SPEA算法是合理有效的,可以得到非劣解分布较均匀的Pareto曲面;通过基于信噪比的决策方法,可从非劣解集中获得满足实际要求的最稳健设计方案。

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