Machine learning with data assimilation and uncertainty quantification for dynamical systems: a review

S Cheng, C Quilodrán-Casas, S Ouala… - IEEE/CAA Journal of …, 2023 - ieeexplore.ieee.org
Data assimilation (DA) and uncertainty quantification (UQ) are extensively used in analysing
and reducing error propagation in high-dimensional spatial-temporal dynamics. Typical …

Benchmarking sparse system identification with low-dimensional chaos

AA Kaptanoglu, L Zhang, ZG Nicolaou, U Fasel… - Nonlinear …, 2023 - Springer
Sparse system identification is the data-driven process of obtaining parsimonious differential
equations that describe the evolution of a dynamical system, balancing model complexity …

Deep learning delay coordinate dynamics for chaotic attractors from partial observable data

CD Young, MD Graham - Physical Review E, 2023 - APS
A common problem in time-series analysis is to predict dynamics with only scalar or partial
observations of the underlying dynamical system. For data on a smooth compact manifold …

[HTML][HTML] Dynamical system prediction from sparse observations using deep neural networks with Voronoi tessellation and physics constraint

H Wang, H Zhou, S Cheng - Computer Methods in Applied Mechanics and …, 2024 - Elsevier
Despite the success of various methods in addressing the issue of spatial reconstruction of
dynamical systems with sparse observations, spatio-temporal prediction for sparse fields …

Online calibration of deep learning sub-models for hybrid numerical modeling systems

S Ouala, B Chapron, F Collard, L Gaultier… - Communications …, 2024 - nature.com
Defining end-to-end (or online) training schemes for the calibration of neural sub-models in
hybrid systems requires working with an optimization problem that involves the solver of the …

Extending the extended dynamic mode decomposition with latent observables: the latent EDMD framework

S Ouala, B Chapron, F Collard… - … Learning: Science and …, 2023 - iopscience.iop.org
Bernard O Koopman proposed an alternative view of dynamical systems based on linear
operator theory, in which the time evolution of a dynamical system is analogous to the linear …

Challenges in identifying simple pattern-forming mechanisms in the development of settlements using demographic data

B Prokop, L Gelens, PF Pelz, J Friesen - Physical Review E, 2023 - APS
The rapid increase of population and settlement structures in the Global South during recent
decades has motivated the development of suitable models to describe their formation and …

Autoregressive With Slack Time Series Model for Forecasting a Partially-Observed Dynamical Time Series

A Okuno, Y Morishita, Y Mototake - IEEE Access, 2024 - ieeexplore.ieee.org
This study delves into the domain of dynamical systems, specifically the forecasting of
dynamical time series defined through an evolution function. Traditional approaches in this …

Local stability guarantees for data-driven quadratically nonlinear models

M Peng - 2023 - search.proquest.com
Abstract Navier Stokes equations (NSEs) are complicated partial differential equations
(PDEs) to describe the motion of fluids which are computationally expensive to simulate …

Prediction of turbulent energy based on low-rank resolvent modes and machine learning

Y Fan, B Chen, W Li - Journal of Physics: Conference Series, 2024 - iopscience.iop.org
A modelling framework based on the resolvent analysis and machine learning is proposed
to predict the turbulent energy in incompressible channel flows. In the framework, the …