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 …

Driven by data or derived through physics? a review of hybrid physics guided machine learning techniques with cyber-physical system (cps) focus

R Rai, CK Sahu - IEEe Access, 2020 - ieeexplore.ieee.org
A multitude of cyber-physical system (CPS) applications, including design, control,
diagnosis, prognostics, and a host of other problems, are predicated on the assumption of …

Resurrecting recurrent neural networks for long sequences

A Orvieto, SL Smith, A Gu, A Fernando… - International …, 2023 - proceedings.mlr.press
Abstract Recurrent Neural Networks (RNNs) offer fast inference on long sequences but are
hard to optimize and slow to train. Deep state-space models (SSMs) have recently been …

[BOOK][B] Dynamic mode decomposition: data-driven modeling of complex systems

The integration of data and scientific computation is driving a paradigm shift across the
engineering, natural, and physical sciences. Indeed, there exists an unprecedented …

Control of soft robots with inertial dynamics

DA Haggerty, MJ Banks, E Kamenar, AB Cao… - Science robotics, 2023 - science.org
Soft robots promise improved safety and capability over rigid robots when deployed near
humans or in complex, delicate, and dynamic environments. However, infinite degrees of …

Linear predictors for nonlinear dynamical systems: Koopman operator meets model predictive control

M Korda, I Mezić - Automatica, 2018 - Elsevier
This paper presents a class of linear predictors for nonlinear controlled dynamical systems.
The basic idea is to lift (or embed) the nonlinear dynamics into a higher dimensional space …

Data-driven control of soft robots using Koopman operator theory

D Bruder, X Fu, RB Gillespie, CD Remy… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
Controlling soft robots with precision is a challenge due to the difficulty of constructing
models that are amenable to model-based control design techniques. Koopman operator …

Learning Koopman invariant subspaces for dynamic mode decomposition

N Takeishi, Y Kawahara, T Yairi - Advances in neural …, 2017 - proceedings.neurips.cc
Spectral decomposition of the Koopman operator is attracting attention as a tool for the
analysis of nonlinear dynamical systems. Dynamic mode decomposition is a popular …

Data-driven sparse sensor placement for reconstruction: Demonstrating the benefits of exploiting known patterns

K Manohar, BW Brunton, JN Kutz… - IEEE Control Systems …, 2018 - ieeexplore.ieee.org
Optimal sensor and actuator placement is an important unsolved problem in control theory.
Nearly every downstream control decision is affected by these sensor and actuator …

Robust tube-based model predictive control with Koopman operators

X Zhang, W Pan, R Scattolini, S Yu, X Xu - Automatica, 2022 - Elsevier
Koopman operators are of infinite dimension and capture the characteristics of nonlinear
dynamics in a lifted global linear manner. The finite data-driven approximation of Koopman …