First-Order Second-Moment Based Multidisciplinary Design Optimization

被引：0

作者：

Meng, De-Biao ^{[1
]}

Xu, Huanwei ^{[1
]}

Zhang, Xudong ^{[1
]}

Zheng, Bin ^{[1
]}

Huang, Hong-Zhong ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Sch Mechatron Engn, Chengdu 610054, Peoples R China

来源：

2011 INTERNATIONAL CONFERENCE ON QUALITY, RELIABILITY, RISK, MAINTENANCE, AND SAFETY ENGINEERING (ICQR2MSE) | 2011年

关键词：

uncertainty; multidisciplinary design optimization; First-order Second-moment; collaborative optimization; reliability design method;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Uncertainties in multidisciplinary design optimization (MDO) have a significant influence on the whole design process of the engineering system. If uncertainty in the engineering system is not considered, optimization results may be unreliable. On the basis of the existing methods for uncertainty analysis, a new method for MDO under uncertainty, i.e. First-Order Second-Moment based collaborative optimization (FOSM-CO), is proposed, and its particular computational process is described in detail. The FOSM-CO is an optimization approach that utilizes reliability index to evaluate the probability that the random variables are in the safe region and instead of the original constraints with the probability. The computation results of the example indicate that FOSM-CO is an effective reliability design method for MDO under uncertainty.

引用

页码：920 / 924

页数：5

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