MOJALLIZADEH Mohammad Rasool
Enseignant-chercheur
Enseignant-Chercheur
DIPPE - Durabilité, Ingénierie des Procédés et Physique des Ecoulements
Section 61
Profile: automatique, traitement du signal et modélisation
Projets en cours :
- Conception de systèmes de contrôle pour des machines d’essai de fatigue basées sur la résonance
- Procédé d’enroulement filamentaire
This work investigates the design of controllers for resonance-based fatigue testing machines. Unlike conventional systems, resonance-based machines require smaller setups, consume less energy, and significantly reduce test duration by maintaining the specimen at its natural excitation frequency. Ac…
2026..
This paper addresses the controller design for the overhead cranes. To this end, a nonlinear model of the overhead cranes is considered, and a continuous-time sliding-mode controller is designed for such a model, ensuring global robust stability. Subsequently, the deadbeat implementation method is e…
2025..
This study focuses on designing an advanced control strategy for floating offshore wind turbines (FOWTs) to maximize power generation for wind speeds between 3 and 11.25 m/s (region 2) while reducing fatigue loads on the system. One of the main challenges in designing a control law for FOWTs is thei…
2025..
The deadbeat method is developed in this paper to realize a chattering-free implementation of the supertwisting controller while keeping its important properties such as convergence rate, and robustness to uncertainties, disturbances, and measurement noise. The deadbeat implementation leads to a fin…
2025..
This work investigates the application of the deadbeat theorem to the implementation of the twisting controller. It will be shown that the twisting controller under the deadbeat implementation presents several advantages over the recently trending implementation method, i.e., implicit discretization…
2025..
A new method is introduced in this paper to treat the numerical chattering, i.e., high-frequency oscillations that appear in the sliding-mode algorithms which degrades the sliding-mode controllers' performances. In this method, the original sliding-mode algorithm is modified by multiplying the exist…
2025..
A new strategy is introduced in this work to implement multivariable continuous-time sliding-mode controllers on digital computers without showing the numerical chattering. In this method, the discontinuous functions in the sliding-mode algorithms are multiplied by the so-called deadbeat gain correc…
2025..
IEEE Journal of Oceanic Engineering. 2025;1-13.
DOI : 10.1109/JOE.2024.3520365
This paper aims to develop the Euler implicit time-discretization of multivariable sliding-mode controllers to solve the numerical chattering problem without modifying the continuous-time control law. To this end, a continuous-time multi-input plant under a multivariable sliding-mode control is stud…
ISA Transactions. 2024..
The control design for a propeller-based thrust generator used in a wind turbine testing platform is studied in this work. A mathematical model has been developed for the system including the motors and propeller. Subsequently, a continuous-time sliding-mode controller is designed based on the devel…
Control Engineering Practice. 2024;146(105894)
DOI : 10.1016/j.conengprac.2024.105894
This paper is dedicated to the experimental analysis of discrete-time differentiators implemented in closed-loop control systems. To this end, two laboratory setups, namely an electro-pneumatic system and a rotary inverted pendulum have been used to implement 25 different differentiators. Since the …
Control Engineering Practice. 2023;136(105546):1-23.
DOI : 10.1016/j.conengprac.2023.105546
This article presents a complete review of the modeling and control schemes for overhead cranes operating in 2D and 3D spaces published to date. The modeling schemes including the pendulum-like models with rigid and flexible links are reviewed and their key characteristics are studied. Subsequently,…
Annual Reviews in Control. 2023;56:100877.
DOI : 10.1016/j.arcontrol.2023.03.002
This paper aims to review and compare some methods used to control 2D overhead cranes. The properties of the controllers are categorized based on their structure, feedback type (open-loop, collocated, and noncollocated), and their stability (local, global, regulation and tracking). Subsequently, a n…
2022;43-48.
DOI : 10.1109/CCTA49430.2022.9966133
This work deals with the problem of online differentiation of noisy signals. In this context, several types of differentiators including linear, sliding-mode based, adaptive, Kalman, and ALIEN differentiators are studied through mathematical analysis and numerical experiments. To resolve the drawbac…
International Journal of Robust and Nonlinear Control. 2021;31(16):7679-7723.
DOI : 10.1002/rnc.5710