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Frequentist history matching with Interval Predictor Models

机译:频繁历史与间隔预测模型的匹配

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摘要

In this paper a novel approach is presented for history matching models without making assumptions about the measurement error. Interval Predictor Models are used to robustly model the observed data and hence a novel figure of merit is proposed to quantify the quality of matches in a frequentist probabilistic framework. The proposed method yields bounds on thep-values from frequentist inference. The method is first applied to a simple example and then to a realistic case study (the Imperial College Fault Model) in order to evaluate its applicability and efficacy. When there is no modelling error the method identifies a feasible region for the matched parameters, which for our test case contained the truth case. When attempting to match one model to data from a different model, a region close to the truth case was identified. The effect of increasing the number of data points on the history matching is also discussed.
机译:在本文中,提出了一种用于历史匹配模型的新颖方法,无需对测量误差进行假设。间隔预测器模型用于对观察到的数据进行鲁棒性建模,因此提出了一种新颖的品质因数来量化频繁概率框架中的匹配质量。所提出的方法根据频繁性推断得出p值的界限。该方法首先应用于简单的示例,然后应用于实际案例研究(帝国学院故障模型),以评估其适用性和有效性。当没有建模错误时,该方法为匹配的参数标识一个可行区域,对于我们的测试案例,该区域包含真实案例。当尝试将一个模型与来自另一个模型的数据进行匹配时,发现了一个接近真实情况的区域。还讨论了增加数据点数量对历史匹配的影响。

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