Identification of block-oriented nonlinear systems starting from linear approximations: A survey

M Schoukens, K Tiels - Automatica, 2017 - Elsevier
Block-oriented nonlinear models are popular in nonlinear system identification because of
their advantages of being simple to understand and easy to use. Many different identification …

Iterative model identification of nonlinear systems of unknown structure: Systematic data-based modeling utilizing design of experiments

P Schrangl, P Tkachenko… - IEEE Control Systems …, 2020 - ieeexplore.ieee.org
High-quality models are essential to the performance of many control-related tasks [1]-[3]. If
the structure of the system is known, first principle models can be created (which constitutes …

Data-driven design of two degree-of-freedom nonlinear controllers: The D2-IBC approach

C Novara, S Formentin, SM Savaresi, M Milanese - Automatica, 2016 - Elsevier
In this paper, we introduce and discuss the Data-Driven Inversion-Based Control (D 2-IBC)
method for nonlinear control system design. The method relies on a two degree-of-freedom …

Identification of systems with localised nonlinearity: From state-space to block-structured models

A Van Mulders, J Schoukens, L Vanbeylen - Automatica, 2013 - Elsevier
This paper presents a method that generates initial estimates for a rather general block-
structured model, starting from the (more general) polynomial nonlinear state-space model …

A nonlinear blind identification approach to modeling of diabetic patients

C Novara, NM Pour, T Vincent… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
In the last decades, mathematical models have become of great importance in the context of
diabetes treatment planning. Several modeling approaches based on first principles or input …

Sparse identification of nonlinear functions and parametric set membership optimality analysis

C Novara - IEEE Transactions on automatic control, 2012 - ieeexplore.ieee.org
Sparse identification can be relevant in the automatic control field to solve several problems
for nonlinear systems such as identification, control, filtering, fault detection. However …

Sufficient conditions for parameter convergence over embedded manifolds using kernel techniques

ST Paruchuri, J Guo, A Kurdila - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The persistence of excitation (PE) condition is sufficient to ensure parameter convergence in
adaptive estimation problems. Recent results on adaptive estimation in reproducing kernel …

On the initialization of nonlinear LFR model identification with the best linear approximation

M Schoukens, R Tóth - IFAC-PapersOnLine, 2020 - Elsevier
Balancing the model complexity and the representation capability towards the process to be
captured remains one of the main challenges in nonlinear system identification. One …

Identification of Hammerstein-Wiener model with discontinuous input nonlinearity

A Brouri, FZ El Mansouri, FZ Chaoui… - Science China …, 2023 - Springer
This paper deals with the identification of Hammerstein-Wiener models with an irregular
function in the input block. These models comprise a set of linear segments. The linear time …

Learning a nonlinear controller from data: theory, computation, and experimental results

L Fagiano, C Novara - IEEE Transactions on Automatic Control, 2015 - ieeexplore.ieee.org
The problem of learning a nonlinear controller directly from experimental data is considered.
It is assumed that an existing, unknown controller, able to stabilize the plant, is available …