首页> 外文会议>ASME international design engineering technical conferences and computers and information in engineering conference 2014 >RELIABILITY-BASED MULTIDISCIPLINARY DESIGN OPTIMIZATION USING SUBSET SIMULATION ANALYSIS AND ITS APPLICATION IN THE HYDRAULIC TRANSMISSION MECHANISM DESIGN
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RELIABILITY-BASED MULTIDISCIPLINARY DESIGN OPTIMIZATION USING SUBSET SIMULATION ANALYSIS AND ITS APPLICATION IN THE HYDRAULIC TRANSMISSION MECHANISM DESIGN

机译:基于子集仿真分析的基于可靠性的多学科设计优化及其在液压传动机构设计中的应用

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摘要

The traditional Monte Carlo Simulation (MCS) approach can provide high reliability analysis accuracy, however, with low computational efficiency. Especially, it is computationally expensive to evaluate a very small failure probability. In this paper, a Subset Simulation-based Reliability Analysis (SSRA) approach is combined with the Multidisciplinary Design Optimization (MDO) to improve the computational efficiency in the Reliability based Multidisciplinary Design Optimization (RBMDO) problems. Furthermore, the Sequential Optimization and Reliability Assessment (SORA) approach is utilized to decouple the RBMDO into MDO and reliability analysis. The formula of MDO with SSRA within the framework of SORA (MDO-SSRA-SORA) is proposed to solve the design optimization problem of hydraulic transmission mechanism.
机译:传统的蒙特卡洛模拟(MCS)方法可提供高可靠性分析精度,但是计算效率较低。特别地,评估非常小的故障概率在计算上是昂贵的。本文将基于子集仿真的可靠性分析(SSRA)方法与多学科设计优化(MDO)相结合,以提高基于可靠性的多学科设计优化(RBMDO)问题的计算效率。此外,利用顺序优化和可靠性评估(SORA)方法将RBMDO分解为MDO和可靠性分析。为了解决液压传动机构的设计优化问题,提出了在SORA框架下采用SSRA的MDO公式(MDO-SSRA-SORA)。

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