Publication detail

A Robust Frequency-Domain-Based Order Reduction Scheme for Linear Time-Invariant Systems

MAHATA, S. HERENCSÁR, N. ALAGOZ, B. B. YEROGLU, C.

Original Title

A Robust Frequency-Domain-Based Order Reduction Scheme for Linear Time-Invariant Systems

Type

journal article in Web of Science

Language

English

Original Abstract

This paper presents a robust model order reduction technique with guaranteed stability, minimum phase, and matched steady-state response for linear time-invariant single-input-single-output systems. The proposed approach is generalized, allowing the designer to select any desired order of the reduced-order model (ROM). In contrast to the published literature, which primarily uses the time-domain behavior, the proposed technique utilizes the frequency-domain information of the full-order system. The suggested strategy allows the determination of the optimal ROM in a single step, simpler than the various recently reported mixed methods. The robustness is demonstrated using convergence studies and statistical measures about the final solution quality and model coefficients. The superiority over the recent literature is illustrated through four numerical examples using various time-domain and frequency response performance metrics.

Keywords

Frequency response, linear time-invariant system, model order reduction, reduced-order modelling, single-input-single-output system

Authors

MAHATA, S.; HERENCSÁR, N.; ALAGOZ, B. B.; YEROGLU, C.

Released

23. 12. 2021

Publisher

IEEE

ISBN

2169-3536

Periodical

IEEE Access

Year of study

9

Number

1

State

United States of America

Pages from

165773

Pages to

165785

Pages count

13

URL

https://ieeexplore.ieee.org/document/9648306

Full text in the Digital Library

http://hdl.handle.net/11012/203260

BibTex

@article{BUT175279,
  author="Shibendu {Mahata} and Norbert {Herencsár} and Baris Baykant {Alagoz} and Celaleddin {Yeroglu}",
  title="A Robust Frequency-Domain-Based Order Reduction Scheme for Linear Time-Invariant Systems",
  journal="IEEE Access",
  year="2021",
  volume="9",
  number="1",
  pages="165773--165785",
  doi="10.1109/ACCESS.2021.3135279",
  issn="2169-3536",
  url="https://ieeexplore.ieee.org/document/9648306"
}