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Robust System Design with Limited Experimental Data and an Inexact Simulation Model
SIAM/ASA Journal on Uncertainty Quantification ( IF 2 ) Pub Date : 2021-05-03 , DOI: 10.1137/20m1316287
Wenbo Sun , Matthew Plumlee , Jingwen Hu , Jionghua (Judy) Jin

SIAM/ASA Journal on Uncertainty Quantification, Volume 9, Issue 2, Page 483-506, January 2021.
Computer simulations of physical systems are commonly used to improve system performance via optimizing the system design. We study the case when, in addition to the simulation, a limited amount of experimental data is collected from the real physical system. This article describes a method for selecting a conservative system design that is robust to uncertainty from the simulation parameters and simulation bias. The concept is that each potential system design is assigned a worst-case scenario in a data-driven feasible region. The conservative system design is then chosen as the best of the worst-cases. The method is shown to have good statistical properties. A case study is performed where a vehicle safety belt design is chosen to minimize the impact of vehicle crashes on a driver.


中文翻译:

具有有限实验数据和不精确仿真模型的鲁棒系统设计

SIAM / ASA不确定性量化期刊,第9卷,第2期,第483-506页,2021年1月。
物理系统的计算机仿真通常用于通过优化系统设计来提高系统性能。我们研究的情况是,除了模拟之外,还从真实的物理系统中收集了有限的实验数据。本文介绍了一种选择保守系统设计的方法,该系统设计对来自仿真参数和仿真偏差的不确定性具有鲁棒性。其概念是,在数据驱动的可行区域中,为每个潜在的系统设计分配最坏的情况。然后选择保守的系统设计作为最坏情况下的最佳选择。该方法显示具有良好的统计特性。在进行案例研究的情况下,选择了车辆安全带设计以最大程度地减少撞车事故对驾驶员的影响。
更新日期:2021-05-19
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