A shift in paradigm for system identification

L Ljung, T Chen, B Mu - International Journal of Control, 2020 - Taylor & Francis
System identification is a mature research area with well established paradigms, mostly
based on classical statistical methods. Recently, there has been considerable interest in so …

On kernel design for regularized LTI system identification

T Chen - Automatica, 2018 - Elsevier
There are two key issues for the kernel-based regularization method: one is how to design a
suitable kernel to embed in the kernel the prior knowledge of the LTI system to be identified …

[HTML][HTML] Application of regularized Savitzky–Golay filters to identification of time-varying systems

MJ Niedźwiecki, M Ciołek, A Gańcza, P Kaczmarek - Automatica, 2021 - Elsevier
Savitzky–Golay (SG) filtering is a classical signal smoothing technique based on the local
least squares approximation of the analyzed signal by a linear combination of known …

On asymptotic properties of hyperparameter estimators for kernel-based regularization methods

B Mu, T Chen, L Ljung - Automatica, 2018 - Elsevier
The kernel-based regularization method has two core issues: kernel design and
hyperparameter estimation. In this paper, we focus on the second issue and study the …

Nonparametric data-driven modeling of linear systems: Estimating the frequency response and impulse response function

J Schoukens, K Godfrey… - IEEE Control Systems …, 2018 - ieeexplore.ieee.org
The aim of this article is to give a tutorial overview of frequency response function (FRF) or
impulse response (IR) function measurements of linear dynamic systems. These …

[HTML][HTML] The existence and uniqueness of solutions for kernel-based system identification

M Khosravi, RS Smith - Automatica, 2023 - Elsevier
The notion of reproducing kernel Hilbert space (RKHS) has emerged in system identification
during the past decade. In the resulting framework, the impulse response estimation …

Correlation method for identification of a nonparametric model of type 1 diabetes

M Dodek, E Miklovičová, M Tárník - IEEE Access, 2022 - ieeexplore.ieee.org
This work describes a novel nonparametric identification method for estimating impulse
responses of the general two-input single-output linear system with its target application to …

Efficient multidimensional regularization for Volterra series estimation

G Birpoutsoukis, PZ Csurcsia, J Schoukens - Mechanical Systems and …, 2018 - Elsevier
This paper presents an efficient nonparametric time domain nonlinear system identification
method. It is shown how truncated Volterra series models can be efficiently estimated …

On input design for regularized LTI system identification: Power-constrained input

B Mu, T Chen - Automatica, 2018 - Elsevier
Input design is an important issue for classical system identification methods but has not
been investigated for the kernel-based regularization method (KRM) until very recently. In …

[HTML][HTML] Kernel-based identification with frequency domain side-information

M Khosravi, RS Smith - Automatica, 2023 - Elsevier
This paper discusses the problem of system identification when frequency domain side-
information is available. We mainly consider the case where the side-information is provided …