[BOOK][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 …

Efficient handling of complex shift parameters in the low-rank Cholesky factor ADI method

P Benner, P Kürschner, J Saak - Numerical Algorithms, 2013 - Springer
The solution of large-scale Lyapunov equations is a crucial problem for several fields of
modern applied mathematics. The low-rank Cholesky factor version of the alternating …

An improved numerical method for balanced truncation for symmetric second-order systems

P Benner, P Kürschner, J Saak - Mathematical and Computer …, 2013 - Taylor & Francis
We consider balanced truncation model order reduction for symmetric second-order
systems. The occurring large-scale generalized and structured Lyapunov equations are …

[BOOK][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 …

SVD-based improvements for component mode synthesis in elastic multibody systems

P Holzwarth, P Eberhard - European Journal of Mechanics-A/Solids, 2015 - Elsevier
The method of elastic multibody systems (EMBS) is used for dynamic simulations, where a
multitude of deformable bodies interact. An important step to achieve models yielding …

Structure-preserving interpolation of bilinear control systems

P Benner, S Gugercin, SWR Werner - Advances in Computational …, 2021 - Springer
In this paper, we extendthe structure-preserving interpolatory model reduction framework,
originally developed for linear systems, to structured bilinear control systems. Specifically …

Structure preserving model order reduction of large sparse second-order index-1 systems and application to a mechatronics model

P Benner, J Saak, MM Uddin - Mathematical and Computer …, 2016 - Taylor & Francis
Nowadays, mechanical engineers heavily depend on mathematical models for simulation,
optimization and controller design. In either of these tasks, reduced dimensional …

Model order reduction based on system balancing

P Benner, T Breiten - Model Reduction and Approximation, 2017 - books.google.com
Weintroduce balancing-based model order reduction (MOR) techniques for large-scale
dynamical systems. We emphasize the efficient implementation of state-of-the-art techniques …

Model reduction of time-delay systems using position balancing and delay Lyapunov equations

E Jarlebring, T Damm, W Michiels - Mathematics of Control, Signals, and …, 2013 - Springer
Balanced truncation is a standard and very natural approach to approximate dynamical
systems. We present a version of balanced truncation for model order reduction of linear …