[HTML][HTML] Methods for enabling real-time analysis in digital twins: A literature review

MS Es-haghi, C Anitescu, T Rabczuk - Computers & Structures, 2024 - Elsevier
This paper presents a literature review on methods for enabling real-time analysis in digital
twins, which are virtual models of physical systems. The advantages of digital twins are …

Conformalized-deeponet: A distribution-free framework for uncertainty quantification in deep operator networks

C Moya, A Mollaali, Z Zhang, L Lu, G Lin - Physica D: Nonlinear …, 2025 - Elsevier
In this paper, we adopt conformal prediction, a distribution-free uncertainty quantification
(UQ) framework, to obtain prediction intervals with coverage guarantees for Deep Operator …

Efficient learning of power grid voltage control strategies via model-based deep reinforcement learning

RR Hossain, T Yin, Y Du, R Huang, J Tan, W Yu, Y Liu… - Machine Learning, 2024 - Springer
This article proposes a model-based deep reinforcement learning (DRL) method to design
emergency control strategies for short-term voltage stability problems in power systems …

Lemon: Learning to learn multi-operator networks

J Sun, Z Zhang, H Schaeffer - arXiv preprint arXiv:2408.16168, 2024 - arxiv.org
Single-operator learning involves training a deep neural network to learn a specific operator,
whereas recent work in multi-operator learning uses an operator embedding structure to …

[HTML][HTML] PINNSim: A simulator for power system dynamics based on physics-informed neural networks

J Stiasny, B Zhang, S Chatzivasileiadis - Electric Power Systems Research, 2024 - Elsevier
The dynamic behaviour of a power system can be described by a system of differential–
algebraic equations. Time-domain simulations are used to simulate the evolution of these …

DeepONet as a Multi-Operator Extrapolation Model: Distributed Pretraining with Physics-Informed Fine-Tuning

Z Zhang, C Moya, L Lu, G Lin, H Schaeffer - arXiv preprint arXiv …, 2024 - arxiv.org
We propose a novel fine-tuning method to achieve multi-operator learning through training a
distributed neural operator with diverse function data and then zero-shot fine-tuning the …

Bayesian, multifidelity operator learning for complex engineering systems–a position paper

C Moya, G Lin - Journal of Computing and …, 2023 - asmedigitalcollection.asme.org
Deep learning has significantly improved the state-of-the-art in computer vision and natural
language processing, and holds great potential to design effective tools for predicting and …

A physics-guided bi-fidelity fourier-featured operator learning framework for predicting time evolution of drag and lift coefficients

A Mollaali, I Sahin, I Raza, C Moya, G Paniagua, G Lin - Fluids, 2023 - mdpi.com
In the pursuit of accurate experimental and computational data while minimizing effort, there
is a constant need for high-fidelity results. However, achieving such results often requires …

MODNO: Multi Operator Learning With Distributed Neural Operators

Z Zhang - arXiv preprint arXiv:2404.02892, 2024 - arxiv.org
The study of operator learning involves the utilization of neural networks to approximate
operators. Traditionally, the focus has been on single-operator learning (SOL). However …

A unified approach for learning the dynamics of power system generators and inverter-based resources

S Liu, W Cai, H Zhu, B Johnson - arXiv preprint arXiv:2409.14454, 2024 - arxiv.org
The growing prevalence of inverter-based resources (IBRs) for renewable energy
integration and electrification greatly challenges power system dynamic analysis. To …