Real-time fuzzy-PID for mobile robot control and vision-based obstacle avoidance

SM Saidi, R Mellah, A Fekik, AT Azar - International Journal of …, 2022 - igi-global.com
In this work, the differential mobile robot is controlled utilizing fuzzy PID speed control, which
combines fuzzy control with conventional PID control in real time. The path may be …

Polynomial robust observer implementation based passive synchronization of nonlinear fractional-order systems with structural disturbances

AST Kammogne, MN Kountchou, R Kengne… - Frontiers of Information …, 2020 - Springer
A robust polynomial observer is designed based on passive synchronization of a given class
of fractional-order Colpitts (FOC) systems with mismatched uncertainties and disturbances …

Power quality improvement for grid-connected photovoltaic panels using direct power control

A Fekik, ML Hamida, H Houassine, AT Azar… - Modeling and control …, 2022 - igi-global.com
This chapter displays a control strategy for a photovoltaic system (PV) linked to the network
with two phases of a PWM converter, where the first phase is a DC-DC converter linked …

Photovoltaic systems based on average current mode control: dynamical analysis and chaos suppression by using a non-adaptive feedback outer loop controller

ERM Kengne, AST Kammogne, TT Tamo, AT Azar… - Sustainability, 2023 - mdpi.com
This paper deals with the modeling and theoretical study of an average-current-mode-
controlled photovoltaic power conversion chain. It should be noted that current mode control …

LMI‐Based Robust Stabilization of a Class of Input‐Constrained Uncertain Nonlinear Systems with Application to a Helicopter Model

H Gritli - Complexity, 2020 - Wiley Online Library
This paper is concerned with the robust stabilization of a class of continuous‐time nonlinear
systems, with an application to the pitch dynamics of a simple helicopter model, via an affine …

A new 5-D hyperchaotic four-wing system with multistability and hidden attractor, its backstepping control, and circuit simulation

S Vaidyanathan, A Sambas, AT Azar, KPS Rana… - Backstepping control of …, 2021 - Elsevier
In this research work, we build a new 5D hyperchaos four-wing system with three quadratic
nonlinear terms. Since the new 5D system has no rest point, it has hidden attractor. It is …

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

AT Azar, DA Smait, S Muhsen, MA Jassim… - Applied Sciences, 2023 - mdpi.com
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 …

Phase synchronization of Wien bridge oscillator-based Josephson junction connected by hybrid synapse

CN Talonang, AST Kammogne… - … für Naturforschung A, 2022 - degruyter.com
In this paper, a nonlinear Josephson junction (JJ) based-Wien bridge circuit is analyzed and
coupled in order to obtain synchronization through passive components. The electrical …

Parameterization of a Novel Nonlinear Estimator for Uncertain SISO Systems with Noise Scenario

AT Azar, FA Abdul-Majeed, HS Majdi, IA Hameed… - Mathematics, 2022 - mdpi.com
Dynamic observers are commonly used in feedback loops to estimate the system's states
from available control inputs and measured outputs. The presence of measurement noise …

Optimal control based on multiple models approach of chaotic switched systems, application to a stepper motor

Y Miladi, N Derbel, M Feki - International Journal of …, 2021 - inderscienceonline.com
In this paper, we are interested in the control of chaotic switched systems with application to
a stepper motor. The aim of the control is to determine the optimal sequence of switching …