Modern Koopman theory for dynamical systems

SL Brunton, M Budišić, E Kaiser, JN Kutz - arXiv preprint arXiv:2102.12086, 2021 - arxiv.org
The field of dynamical systems is being transformed by the mathematical tools and
algorithms emerging from modern computing and data science. First-principles derivations …

[图书][B] Data-driven science and engineering: Machine learning, dynamical systems, and control

SL Brunton, JN Kutz - 2022 - books.google.com
Data-driven discovery is revolutionizing how we model, predict, and control complex
systems. Now with Python and MATLAB®, this textbook trains mathematical scientists and …

Randomized dynamic mode decomposition

NB Erichson, L Mathelin, JN Kutz, SL Brunton - SIAM Journal on Applied …, 2019 - SIAM
This paper presents a randomized algorithm for computing the near-optimal low-rank
dynamic mode decomposition (DMD). Randomized algorithms are emerging techniques to …

Multi-fidelity sensor selection: Greedy algorithms to place cheap and expensive sensors with cost constraints

E Clark, SL Brunton, JN Kutz - IEEE Sensors Journal, 2020 - ieeexplore.ieee.org
We develop greedy algorithms to approximate the optimal solution to the multi-fidelity sensor
selection problem, which is a cost constrained optimization problem prescribing the …

Proof-of-concept study of sparse processing particle image velocimetry for real time flow observation

N Kanda, C Abe, S Goto, K Yamada, K Nakai… - Experiments in …, 2022 - Springer
In this paper, we overview, evaluate, and demonstrate the sparse processing particle image
velocimetry (SPPIV) as a real-time flow field estimation method using the particle image …

The multiverse of dynamic mode decomposition algorithms

MJ Colbrook - arXiv preprint arXiv:2312.00137, 2023 - arxiv.org
Dynamic Mode Decomposition (DMD) is a popular data-driven analysis technique used to
decompose complex, nonlinear systems into a set of modes, revealing underlying patterns …

Seismic wavefield reconstruction based on compressed sensing using data-driven reduced-order model

T Nagata, K Nakai, K Yamada, Y Saito… - Geophysical Journal …, 2023 - academic.oup.com
Reconstruction of the distribution of ground motion due to an earthquake is one of the key
technologies for the prediction of seismic damage to infrastructure. Particularly, the …

Data-driven approximations of dynamical systems operators for control

E Kaiser, JN Kutz, SL Brunton - The Koopman operator in systems and …, 2020 - Springer
Abstract The Koopman and Perron Frobenius transport operators are fundamentally
changing how we approach dynamical systems, providing linear representations for even …

A new approach for determining optimal placement of PM2. 5 air quality sensors: case study for the contiguous United States

MM Kelp, S Lin, JN Kutz… - Environmental Research …, 2022 - iopscience.iop.org
Considerable financial resources are allocated for measuring ambient air pollution in the
United States, yet the locations for these monitoring sites may not be optimized to capture …

Effect of objective function on data-driven greedy sparse sensor optimization

K Nakai, K Yamada, T Nagata, Y Saito… - IEEE Access, 2021 - ieeexplore.ieee.org
The problem of selecting an optimal set of sensors estimating a high-dimensional data is
considered. Objective functions based on D-, A-, and E-optimality criteria of optimal design …