Title :

A New Approach to Nonlinear State Observation for Affine Control Dynamical Systems

Author(s) :

Azar, Ahmad Taher [Auteur]
Benha University [BU]
Prince Sultan University [Riyad]
Smait, Drai Ahmed [Auteur]
Muhsen, Sami [Auteur]
Jassim, Moayad Abdullah [Auteur]
Al-Salih, Asaad Abdul Malik Madhloom [Auteur]
Hameed, Ibrahim [Auteur]
Jawad, Anwar Ja’afar Mohamad [Auteur]
Abdul-Adheem, Wameedh Riyadh [Auteur]
Cocquempot, Vincent [Auteur]
Centre de Recherche en Informatique, Signal et Automatique de Lille - UMR 9189 [CRIStAL]
Sahib, Mouayad [Auteur]
Kamal, Nashwa Ahmad [Auteur]
Ibraheem, Ibraheem Kasim [Auteur]

Journal title :

Applied Sciences

Pages :

3300

Publisher :

Multidisciplinary digital publishing institute (MDPI)

Publication date :

2023

ISSN :

2076-3417

English keyword(s) :

generalized disturbance
Lyapunov method
state estimator
model uncertainty
nonlinear systems
active disturbance rejection control

HAL domain(s) :

Informatique [cs]/Systèmes et contrôle [cs.SY]
Sciences de l'ingénieur [physics]/Automatique / Robotique

English abstract : [en]

In this work, a Nonlinear Higher Order Extended State Observer (NHOESO) is presented to replace the Linear Extended State Observer (LESO) used in Conventional Active Disturbance Rejection Control (C-ADRC) solutions. In the ...
Show more >In this work, a Nonlinear Higher Order Extended State Observer (NHOESO) is presented to replace the Linear Extended State Observer (LESO) used in Conventional Active Disturbance Rejection Control (C-ADRC) solutions. In the NHOESO, the standard LESO is completed with a two-term smooth nonlinear function with saturation-like characteristics. The proposed novel NHOESO enables precise observation of the generalized disturbances with higher-order derivatives. The stability of the NHOESO is examined with the aid of the Lyapunov method. A simulation of an uncertain nonlinear Single-Input–Single-Output (SISO) system with time-varying external disturbances confirms that the proposed NHOESO copes well with the generalized disturbance, which is not true for other ESOs.Show less >

Language :

Anglais

Peer reviewed article :

Oui

Audience :

Internationale

Popular science :

Non

Collections :

• Centre de Recherche en Informatique, Signal et Automatique de Lille (CRIStAL) - UMR 9189

Source :

Harvested from HAL