Model order reduction for linear and nonlinear systems: a system-theoretic perspective

U Baur, P Benner, L Feng - Archives of Computational Methods in …, 2014 - Springer
In the past decades, Model Order Reduction (MOR) has demonstrated its robustness and
wide applicability for simulating large-scale mathematical models in engineering and the …

Numerical solution of large and sparse continuous time algebraic matrix Riccati and Lyapunov equations: a state of the art survey

P Benner, J Saak - GAMM‐Mitteilungen, 2013 - Wiley Online Library
Efficient numerical algorithms for the solution of large and sparse matrix Riccati and
Lyapunov equations based on the low rank alternating directions implicit (ADI) iteration have …

Two-sided projection methods for nonlinear model order reduction

P Benner, T Breiten - SIAM Journal on Scientific Computing, 2015 - SIAM
In this paper, we investigate a recently introduced approach for nonlinear model order
reduction based on generalized moment matching. Using basic tensor calculus, we propose …

[图书][B] Model order reduction for differential-algebraic equations: a survey

P Benner, T Stykel - 2017 - Springer
In this paper, we discuss the model order reduction problem for descriptor systems, that is,
systems with dynamics described by differential-algebraic equations. We focus on linear …

Closed-form solution of non-symmetric algebraic Riccati matrix equation

A Shirilord, M Dehghan - Applied Mathematics Letters, 2022 - Elsevier
In this work we obtain closed-form expression for the solution of non-symmetric algebraic
Riccati equation (NARE), A X+ X B+ XCX= D, A, B, C, D∈ ℂ n× n, under some conditions on …

Riccati-based boundary feedback stabilization of incompressible Navier--Stokes flows

E Bänsch, P Benner, J Saak, HK Weichelt - SIAM Journal on Scientific …, 2015 - SIAM
In this article a boundary feedback stabilization approach for incompressible Navier--Stokes
flows is studied. One of the main difficulties encountered is the fact that after space …

[HTML][HTML] On the benefits of the LDLT factorization for large-scale differential matrix equation solvers

N Lang, H Mena, J Saak - Linear Algebra and its Applications, 2015 - Elsevier
We propose efficient algorithms for solving large-scale matrix differential equations. In
particular, we deal with the differential Riccati equations (DRE) and state the applicability to …

[图书][B] Computational methods for approximation of large-scale dynamical systems

MM Uddin - 2019 - taylorfrancis.com
These days, computer-based simulation is considered the quintessential approach to
exploring new ideas in the different disciplines of science, engineering and technology …

A comparison of second-order model order reduction methods for an artificial fishtail

J Saak, D Siebelts, SWR Werner - at-Automatisierungstechnik, 2019 - degruyter.com
In order to apply control theory in small autonomous vehicles, mathematical models with
small numbers of states are required for using the limited computational power in embedded …

RADI: a low-rank ADI-type algorithm for large scale algebraic Riccati equations

P Benner, Z Bujanović, P Kürschner, J Saak - Numerische Mathematik, 2018 - Springer
This paper introduces a new algorithm for solving large-scale continuous-time algebraic
Riccati equations (CARE). The advantage of the new algorithm is in its immediate and …