Frequency Response Function identification for multivariable motion control: Optimal experiment design with element-wise constraints

N Dirkx, J van de Wijdeven, T Oomen - Mechatronics, 2020 - Elsevier
Abstract Frequency Response Functions (FRFs) are essential in mechatronic systems and
its application ranges from system design and validation to controller design and …

On the informativity of direct identification experiments in dynamical networks

X Bombois, K Colin, PMJ Van den Hof, H Hjalmarsson - Automatica, 2023 - Elsevier
Data informativity is a crucial property to ensure the consistency of the prediction error
estimate. This property has thus been extensively studied in the open-loop and in the closed …

Data informativity for the open-loop identification of MIMO systems in the prediction error framework

K Colin, X Bombois, L Bako, F Morelli - Automatica, 2020 - Elsevier
Abstract In Prediction Error identification, to obtain a consistent estimate of the true system, it
is crucial that the input excitation yields informative data with respect to the chosen model …

Data-driven model improvement for model-based control

M Forgione, X Bombois, PMJ Van den Hof - Automatica, 2015 - Elsevier
We present a framework for the gradual improvement of model-based controllers. The total
time of the learning procedure is divided into a number of learning intervals. After a learning …

On optimal input design in system identification for control

B Wahlberg, H Hjalmarsson… - 49th IEEE Conference …, 2010 - ieeexplore.ieee.org
This paper considers a recently proposed framework for experiment design in system
identification for control. We study model based control design methods, such as Model …

Robustness in experiment design

CR Rojas, JC Aguero, JS Welsh… - … on Automatic Control, 2011 - ieeexplore.ieee.org
This paper focuses on the problem of robust experiment design, ie, how to design an input
signal which gives relatively good estimation performance over a large number of systems …

Persistently-exciting signal generation for optimal parameter estimation of constrained nonlinear dynamical systems

LM Honório, EB Costa, EJ Oliveira… - ISA transactions, 2018 - Elsevier
This work presents a novel methodology for Sub-Optimal Excitation Signal Generation and
Optimal Parameter Estimation of constrained nonlinear systems. It is proposed that the …

D-optimal input design for nonlinear FIR-type systems: A dispersion-based approach

A De Cock, M Gevers, J Schoukens - Automatica, 2016 - Elsevier
Optimal input design is an important step of the identification process in order to reduce the
model variance. In this work a D-optimal input design method for finite-impulse-response …

Informative data: how to get just sufficiently rich?

M Gevers, A Bazanella… - 2008 47th IEEE …, 2008 - ieeexplore.ieee.org
Prediction error identification requires that data be informative with respect to the chosen
model structure. Whereas sufficient conditions for informative experiments have been …

Information matrix and D-optimal design with Gaussian inputs for Wiener model identification

K Mahata, J Schoukens, A De Cock - Automatica, 2016 - Elsevier
We present a closed form expression for the Fischer's information matrix associated with the
identification of Wiener models. In the derivation we assume that the input signal is …