An unknown input multiobserver based on a discrete uncoupled multimodel for uncertain nonlinear systems: Experimental validation on a transesterification reactor

A Messaoud, SB Atia, RB Abdennour - ISA transactions, 2019 - Elsevier
In the present paper, an unknown input multiobserver (UIMO) is designed for the state
estimation of uncertain non-linear systems. A discrete decoupled state multimodel is …

An interval multiobserver for nonlinear systems subject to internal and external disturbances: real time experimental validation

T Fida, BA Samah, M Anis, BA Ridha - Journal of Process Control, 2022 - Elsevier
The present work focuses on the design of an interval multiobserver for nonlinear systems
with internal and external disturbances. The structure of the developed interval …

An online identification algorithm of unknown time-varying delay and internal multimodel control for discrete non-linear systems

S Ben Atia, A Messaoud… - … and Computer Modelling …, 2018 - Taylor & Francis
In this paper, an online algorithm is proposed for the identification of unknown time-varying
input delay in the case of discrete non-linear systems described by decoupled multimodel …

Multimodel repetitive–predictive control of nonlinear systems: rejection of unknown non-stationary sinusoidal disturbances

M Allaoui, A Messaoud, K Dehri… - International Journal of …, 2017 - Taylor & Francis
In the present work, we propose a supervised multimodel repetitive–predictive control
scheme for discrete-time nonlinear systems in order to reject unknown non-stationary …

A sliding mode multiobserver based on an uncoupled multimodel: an application on a transesterification reaction

N Montacer, K Dehri, S Ben Atia… - Asian Journal of …, 2019 - Wiley Online Library
This paper concerns the design of robust sliding mode multiobserver for nonlinear systems.
A discrete uncoupled multimodel structure is retained for the modeling of nonlinear systems …

Robust multiobserver design for discrete uncertain nonlinear systems with time-varying delay

S Ben Atia, A Messaoud… - Transactions of the …, 2018 - journals.sagepub.com
In this paper, a robust multiobserver is proposed for the state estimation of discrete-time
uncertain nonlinear systems with time-varying delay. The designed multiobserver is based …

[PDF][PDF] Synthesis of multi-observers for discrete-time nonlinear systems with delayed output

SB Atia, A Messaoud, M Ltaief… - International Journal of …, 2014 - sta-tn.com
This paper deals with the state estimation of discrete-time nonlinear systems subject to
delayed output measurements. These systems are represented in each operating zone by a …

[PDF][PDF] Nonstationnary sinusoidal unknown inputs multiobserver for discrete-time nonlinear systems

M Allaoui, A Messaoud, M Ltaief… - International Journal of …, 2014 - sta-tn.com
In this work, a nonstationary sinusoidal unknown inputs multiobserver is proposed for
discrete-time nonlinear systems represented by a decoupled multimodel. The existence …

Multivariable adaptive neural control based on multimodel emulator for nonlinear square MIMO systems

N Bahri, A Atig, RB Abdennour… - 2014 IEEE 11th …, 2014 - ieeexplore.ieee.org
This work describes multivariable adaptive neural control based on multimodel emulator for
nonlinear square MIMO systems. Multimodel approach is an interesting alternative and a …

A Discrete Second Order Sliding Mode Multiobserver Based on Multimodel Approach

K Elghoul, K Dehri, R Ben Abdennour - Journal of Electrical Engineering & …, 2023 - Springer
The difficulty of observer design for a general class of nonlinear system and the reduction of
chattering phenomenon are still challenging tasks in the theory of sliding mode observers …