Transfer prior knowledge from surrogate modelling: A meta-learning approach

Cheng, Minghui, Dang, Chao, Frangopol, Dan M, Beer, Michael ORCID: 0000-0002-0611-0345 and Yuan, Xian-Xun (2022) Transfer prior knowledge from surrogate modelling: A meta-learning approach. Computers & Structures, 260. p. 106719.

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Official URL: http://dx.doi.org/10.1016/j.compstruc.2021.106719

Abstract

Surrogate modelling has emerged as a useful technique to study complex physical and engineering systems in various disciplines, especially for engineering analysis. Previous studies mostly focused on developing new surrogate models and/or applying existing surrogate models to practical problems. Despite the computational efficiency, the surrogate for a new task is often built from scratch and the knowledge gained from previous surrogate modelling for similar tasks is neglected. As the need for quickly modifying simulation models to reflect design changes has significantly increased, one potential solution is to utilize prior knowledge from surrogate modelling. In this study, a novel meta-learning-based surrogate modelling framework is presented. The framework includes two phases: a meta-training and a few-shot learning phase. A meta-model that represents a family of tasks and the adaptation of this model to a new task with few data points are the results of the first and second phase, respectively. The study specifies the scope of the framework by classifying similar tasks. Applications of the framework to global sensitivity analysis, optimization, and reliability analysis are also addressed. Four numerical experiments are performed to demonstrate the feasibility and applicability of the framework.

Item Type:	Article
Uncontrolled Keywords:	Meta-learning-based surrogate modelling, Model-agnostic meta-learning, Knowledge transfer, Surrogate modelling
Divisions:	Faculty of Science and Engineering > School of Engineering
Depositing User:	Symplectic Admin
Date Deposited:	13 Jan 2022 11:44
Last Modified:	18 Jan 2023 21:16
DOI:	10.1016/j.compstruc.2021.106719
Related URLs:	Author Publisher
URI:	https://livrepository.liverpool.ac.uk/id/eprint/3146411