Ensemble-SINDy: Robust sparse model discovery in the low-data, high-noise limit, with active learning and control

U Fasel, JN Kutz, BW Brunton… - Proceedings of the …, 2022 - royalsocietypublishing.org
Sparse model identification enables the discovery of nonlinear dynamical systems purely
from data; however, this approach is sensitive to noise, especially in the low-data limit. In this …

Physics-informed learning of governing equations from scarce data

Z Chen, Y Liu, H Sun - Nature communications, 2021 - nature.com
Harnessing data to discover the underlying governing laws or equations that describe the
behavior of complex physical systems can significantly advance our modeling, simulation …

Data-driven discovery of coordinates and governing equations

K Champion, B Lusch, JN Kutz… - Proceedings of the …, 2019 - National Acad Sciences
The discovery of governing equations from scientific data has the potential to transform data-
rich fields that lack well-characterized quantitative descriptions. Advances in sparse …

Methods for data-driven multiscale model discovery for materials

SL Brunton, JN Kutz - Journal of Physics: Materials, 2019 - iopscience.iop.org
Despite recent achievements in the design and manufacture of advanced materials, the
contributions from first-principles modeling and simulation have remained limited, especially …

SINDy-PI: a robust algorithm for parallel implicit sparse identification of nonlinear dynamics

K Kaheman, JN Kutz… - Proceedings of the …, 2020 - royalsocietypublishing.org
Accurately modelling the nonlinear dynamics of a system from measurement data is a
challenging yet vital topic. The sparse identification of nonlinear dynamics (SINDy) algorithm …

Pysindy: a python package for the sparse identification of nonlinear dynamics from data

BM de Silva, K Champion, M Quade… - arXiv preprint arXiv …, 2020 - arxiv.org
PySINDy is a Python package for the discovery of governing dynamical systems models
from data. In particular, PySINDy provides tools for applying the sparse identification of …

Robust data-driven discovery of governing physical laws with error bars

S Zhang, G Lin - Proceedings of the Royal Society A …, 2018 - royalsocietypublishing.org
Discovering governing physical laws from noisy data is a grand challenge in many science
and engineering research areas. We present a new approach to data-driven discovery of …

Promoting global stability in data-driven models of quadratic nonlinear dynamics

AA Kaptanoglu, JL Callaham, A Aravkin, CJ Hansen… - Physical Review …, 2021 - APS
Modeling realistic fluid and plasma flows is computationally intensive, motivating the use of
reduced-order models for a variety of scientific and engineering tasks. However, it is …

On the convergence of the SINDy algorithm

L Zhang, H Schaeffer - Multiscale Modeling & Simulation, 2019 - SIAM
One way to understand time-series data is to identify the underlying dynamical system which
generates it. This task can be done by selecting an appropriate model and a set of …

Sparsifying priors for Bayesian uncertainty quantification in model discovery

SM Hirsh, DA Barajas-Solano… - Royal Society Open …, 2022 - royalsocietypublishing.org
We propose a probabilistic model discovery method for identifying ordinary differential
equations governing the dynamics of observed multivariate data. Our method is based on …