Uncertainty Quantification of Stochastic Simulation for Black-box Computer Experiments
Uncertainty Quantification of Stochastic Simulation for Black-box Computer Experiments
复制标题
黑盒计算机实验随机模拟的不确定性量化
DOI:
10.1007/s11009-017-9599-7
复制
发表时间:
2017
影响因子:
0.9
通讯作者:
Byon, Eunshin
中科院分区:
文献类型:
--
作者:
Choe, Youngjun;Lam, Henry;Byon, Eunshin
Stochastic simulations applied to black-box computer experiments are becoming more widely used to evaluate the reliability of systems. Yet, the reliability evaluation or computer experiments involving many replications of simulations can take significant computational resources as simulators become more realistic. To speed up, importance sampling coupled with near-optimal sampling allocation for these experiments is recently proposed to efficiently estimate the probability associated with the stochastic system output. In this study, we establish the central limit theorem for the probability estimator from such procedure and construct an asymptotically valid confidence interval to quantify estimation uncertainty. We apply the proposed approach to a numerical example and present a case study for evaluating the structural reliability of a wind turbine.
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