Promising directions of machine learning for partial differential equations

SL Brunton, JN Kutz - Nature Computational Science, 2024 - nature.com
Partial differential equations (PDEs) are among the most universal and parsimonious
descriptions of natural physical laws, capturing a rich variety of phenomenology and …

“Knees” in lithium-ion battery aging trajectories

PM Attia, A Bills, FB Planella, P Dechent… - Journal of The …, 2022 - iopscience.iop.org
Lithium-ion batteries can last many years but sometimes exhibit rapid, nonlinear
degradation that severely limits battery lifetime. In this work, we review prior work on" knees" …

Challenges, opportunities, and strategies for undertaking integrated precinct-scale energy–water system planning

GC de Oliveira, E Bertone, RA Stewart - Renewable and Sustainable …, 2022 - Elsevier
The energy and water sectors are intrinsically linked to meet several consumer needs. A
holistic analysis is required to quantify the technoeconomic and environmental benefits and …

Anipose: A toolkit for robust markerless 3D pose estimation

P Karashchuk, KL Rupp, ES Dickinson, S Walling-Bell… - Cell reports, 2021 - cell.com
Quantifying movement is critical for understanding animal behavior. Advances in computer
vision now enable markerless tracking from 2D video, but most animals move in 3D. Here …

Automatic differentiation to simultaneously identify nonlinear dynamics and extract noise probability distributions from data

K Kaheman, SL Brunton, JN Kutz - Machine Learning: Science …, 2022 - iopscience.iop.org
The sparse identification of nonlinear dynamics (SINDy) is a regression framework for the
discovery of parsimonious dynamic models and governing equations from time-series data …

Finite-data error bounds for Koopman-based prediction and control

F Nüske, S Peitz, F Philipp, M Schaller… - Journal of Nonlinear …, 2023 - Springer
The Koopman operator has become an essential tool for data-driven approximation of
dynamical (control) systems, eg, via extended dynamic mode decomposition. Despite its …

Learning sparse nonlinear dynamics via mixed-integer optimization

D Bertsimas, W Gurnee - Nonlinear Dynamics, 2023 - Springer
Discovering governing equations of complex dynamical systems directly from data is a
central problem in scientific machine learning. In recent years, the sparse identification of …

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 …

Structured time-delay models for dynamical systems with connections to Frenet–Serret frame

SM Hirsh, SM Ichinaga, SL Brunton… - … of the Royal …, 2021 - royalsocietypublishing.org
Time-delay embedding and dimensionality reduction are powerful techniques for
discovering effective coordinate systems to represent the dynamics of physical systems …

[HTML][HTML] Ultra-low frequency multidirectional harvester for wind turbines

C Castellano-Aldave, A Carlosena, X Iriarte, A Plaza - Applied Energy, 2023 - Elsevier
In this paper we propose, and demonstrate through a prototype, a completely novel device
able to harvest mechanical energy from the multidirectional vibrations in a wind turbine, and …