Koopman operator-based model reduction for switched-system control of PDEs

S Peitz, S Klus - Automatica, 2019 - Elsevier
We present a new framework for optimal and feedback control of PDEs using Koopman
operator-based reduced order models (K-ROMs). The Koopman operator is a linear but …

Optimal linear quadratic regulator of switched systems

G Wu, J Sun, J Chen - IEEE transactions on automatic control, 2018 - ieeexplore.ieee.org
This paper considers the optimal control problem of linear switched systems with linear
quadratic (LQ) cost or multiple LQ cost. By adopting an embedding transformation, the …

Mixed-integer optimal control problems with switching costs: a shortest path approach

F Bestehorn, C Hansknecht, C Kirches… - Mathematical …, 2021 - Springer
We investigate an extension of Mixed-Integer Optimal Control Problems by adding switching
costs, which enables the penalization of chattering and extends current modeling …

Sequential linear integer programming for integer optimal control with total variation regularization

S Leyffer, P Manns - ESAIM: Control, Optimisation and Calculus of …, 2022 - esaim-cocv.org
We propose a trust-region method that solves a sequence of linear integer programs to
tackle integer optimal control problems regularized with a total variation penalty. The total …

Parabolic optimal control problems with combinatorial switching constraints, Part I: Convex relaxations

C Buchheim, A Grütering, C Meyer - SIAM Journal on Optimization, 2024 - SIAM
We consider optimal control problems for partial differential equations where the controls
take binary values but vary over the time horizon; they can thus be seen as dynamic …

Feedback control of nonlinear PDEs using data-efficient reduced order models based on the Koopman operator

S Peitz, S Klus - The Koopman Operator in Systems and Control …, 2020 - Springer
In the development of model predictive controllers for PDE-constrained problems, the use of
reduced order models is essential to enable real-time applicability. Besides local …

On the mixed-integer linear-quadratic optimal control with switching cost

A De Marchi - IEEE Control Systems Letters, 2019 - ieeexplore.ieee.org
This letter concerns the optimal control of a continuous-time dynamical system via
continuous and discrete-valued control variables, where the objective functional also …

Controlling nonlinear PDEs using low-dimensional bilinear approximations obtained from data

S Peitz - arXiv preprint arXiv:1801.06419, 2018 - arxiv.org
In a recent article, we presented a framework to control nonlinear partial differential
equations (PDEs) by means of Koopman operator based reduced models and concepts …

[PDF][PDF] Matching algorithms and complexity results for constrained mixed-integer optimal control with switching costs

F Bestehorn, C Kirches - SIAM Journal on Optimization, 2020 - spp1962.wias-berlin.de
We extend recent work on the performance of the combinatorial integral approximation
decomposition approach for Mixed-Integer Optimal Control Problems (MIOCPs) in the …

Optimal switching integrity attacks on sensors in industrial control systems

G Wu, J Sun - Journal of Systems Science and Complexity, 2019 - Springer
In this article, an optimal switching integrity attack problem is investigated to study the
response of feedback control systems under attack. The authors model the malicious attacks …