Browsing by Author "Akroum, Hamza"

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Challenges and Opportunities in Green Hydrogen Production Materials for Biological Hydrogen Production
(Springer, 2024) Akroum-Amrouche, Dahbia; Akroum, Hamza; Lounici, Hakim
Biohydrogen is regarded as an attractive renewable source of clean energy and an environmentally friendly alternative to conventional fossil fuels. BioH2 can be produced via different biological pathways like direct and indirect biophotolysis, photo-fermentation, dark-fermentation, and bio-electrolysis using microbial electrolysis cells (MEC). The MEC is a bioelectrochemical approach that can be used to treat wastewater and produce biohydrogen, simultaneously. The MEC performance is highly affected by several factors such as microbial communities, cathode and anode catalysts’ activities, electrode materials and structures, current output, reactor design, associated anode and biocathode, catalysts, and substrate type, and concentration used. This chapter provides an overview of the recent developments in biological and non-biological materials involved in microbial electrolysis cells for biohydrogen production. The microbial species and enzymes, bio-inspired catalysts, advances in materials, and integration systems applied in these bioprocesses to improve catalytic performance, achieve lower configuration cost, and provide stable and efficient biohydrogen production are presented.
Combinational and Sequential Logic
(M’hamed bougara University of Boumerdes: Faculty of Technology : Department Electrical Systems Engineering, 2025) Akroum, Hamza
This course is part of Fundamental Study Unit 2.2.1 within the second-year bachelor’s degree program in Electrical Engineering. It is offered in the fourth semester (S4) and is intended for students across multiple specializations such as Electronics, Automation, Electrotechnics, Telecommunications, Mechatronics, and related fields. The subject “Combinational and Sequential Logic” constitutes a cornerstone of digital electronics, providing both the theoretical foundations and practical methodologies required for the analysis and design of digital systems. This document is structured into eight chapters, systematically aligned with the official curriculum. It is designed to gu ide students from the fundamental principles of Boolean algebra and combinational logic to the more advanced concepts of sequential circuits, highlighting their relevance in the conception and implementation of modern digital systems.
Contribution à la commande en temps réel d'un moteur asynchrone avec réduction de la tension de mode commun et du rayonnement électromagnétique
(2014) Akroum, Hamza
Le moteur asynchrone est caractérisé par une large utilisation industrielle et domestique grâce à son faible cout, sa simplicité de construction et sa robustesse. L'objet de cette thèse est la commande de cette machine en utilisant la plateforme temps réel du laboratoire d'automatique appliquée. Deux commandes ont été implantées avec succès et testées expérimentalement: La commande scalaire (v/f constant) et la commande à flux rotorique orienté et cela avec et sans capteur de vitesse. La commande à flux rotorique orienté a été améliorée d'une part par une compensation de la constante de temps rotorique et d'autre part par un algorithme de minimisation des pertes. La diminution de la tension mode commun et du rayonnement électromagnétique ont été abordée. Une configuration double pont parfaitement symétrique a été proposée. Cette configuration permet une diminution considérable de l'EMI irradiée et de la tension de mode commun
Double-gate MOSFET model implemented in verilog-AMS language for the transient simulation and the configuration of ultra low-power analog circuits
(Polska Akademia Nauk, 2021) Smaani, Billel; Meraihi, Yassine; Nafa, Fares; Benlatreche, Mohamed Salah; Akroum, Hamza; Latreche, Saida
This paper deals with the implementation of a DC and AC double-gate MOSFET compact model in the Verilog-AMS language for the transient simulation and the configuration of ultra low-power analog circuits. The Verilog-AMS description of the proposed model is inserted in SMASH circuit simulator for the transient simulation and the configuration of the Colpitts oscillator, the common-source amplifier, and the inverter. The proposed model has the advantages of being simple and compact. It was validated using TCAD simulation results of the same transistor realized with Silvaco Software
A dspace dsp control platform for v/f controlled induction motor drive and parameters identification
(2011) Akroum, Hamza; Kidouche, M.; Aibeche, Abderrazak
This paper presents a full digital implementation of open loop and closed loop Volt-per-Hertz (V/F) Controlled Induction Motor Drive with dSPACE DS 1104 Hardware/Software and Matlab/Simulink environment for educational purpose. A feature of this environment is a simple user interface, which requires a basic knowledge of Matlab/Simulink for designing the controller and motor parameter identification. Advances in Computer, Communication, Control and Automation Advances in Computer, Communication, Control and Automation Look Inside Other actions Export citation About this Book Reprints and Permissions Add to Papers Share Share this content on Facebook Share this content on Twitter Share this content on LinkedIn
Dynamic flux observation on variable parameters in field oriented control for induction machine drives
(Springer Berlin Heidelberg, 2013) Grouni, S.; Aibeche, Abderrazak; Akroum, Hamza
Controlled position of induction machine without mechanical sensor has reached a very high stage of development a good dynamic performance response. However, the accuracy of the rotor position and torque need high estimation technical flux behavior in control drives. This paper deals with an improvement dynamic rotor flux observation for induction machine drives based on real parameters variation in field oriented control strategy. However, the control flux permitting the minimization power loss energy. This work presents the implementation of real flux control behavior in real time for induction machine based on digital signal processing. The Dspace DS1104 controller board is used in the implementation. The main technical control vector is applied under practical currents, voltages, position tracking measurements. All advantages of the controlmodels are illustrated by simulation and experimental results for induction machine (3 kW/380V) drives
Experimental research of diagnostic measurement tests for power transformers
(2013) Aibeche, Abderrazak; Grouni, S.; Akroum, Hamza; Boualegue, K.
This paper deals with experimental research of practical diagnostics measurement tests in industrial power transformers. In practical research we analyze the quality insulation diagnostic. The transformers system insulation is evaluated by using diagnostics of the dissipation factor in data industrial transformer (250 MVA, 15.75/220 kV) application. The insulation quality of power transformer is determined by multiple measurement tests of the insulation resistance winding, capacitance and dielectric dissipation factor. The measurement tests of dissipation factor given at the end of the production cycle not only assures that the quality of the transformer meets the specified levels but also provides insight into the subtleties of the manufacturing process. This paper gives an experimental research of measurement tests setup of dielectric dissipation factor that used GST and Guard mode techniques of earthling systems transformers insulation
Experimental results of sensorless rotor field oriented control using MRAS
(2014) Akroum, Hamza; Kidouche, M.; Aibeche, Abderrazak
This work deals with design and implementation of sensorless rotor field oriented control using model reference adaptive system (MRAS) of induction motor (IM) drives. SVPWM, using an injected Zero-Sequence Signal (ZSS), is used for controlling the motor. Proportional Integral Controllers with antiwindup are designed. A 3Kw, 3-phase, 50Hz, 1420rpm, induction motor and a dSPACE DS1104 hardware/software are used to carry out the control application. The experimental results show the effectiveness and the limitation of the control method
Green hydrogen production by Rhodobacter sphaeroides
(Taylor and Francis Online, 2019) Akroum-Amrouche, Dahbia; Akroum, Hamza; Lounici, Hakim
The photo-fermentative biohydrogen production using photosynthetic purple non-sulfur and non-oxygenic bacteria Rhodobacter sphaeroides is a very promising green technology. In this paper, several strategies conducted in the literature to make the bioprocess more economical, less expensive and more efficient have been reviewed. The used of co-cultures and genetic modification strategies increased the yield and the rate of hydrogen production. Also, the biohydrogen production using organic wastes as a substrate, an environmentally friendly process, in several reactors designs with immobilized and suspension cultures have been employed to achieve a high conversion efficiency of the substrate and light energy. At the optimized conditions, the hydrogen production enhances and becomes more economi
Leveraging AIoT for advanced quality control in production lines
(Institute of Electrical and Electronics Engineers Inc, 2023) Hiou, Mohamed Yanis; Akroum, Hamza
Nowadays, edge computing has emerged as a crucial component in the fourth industrial revolution, effectively merging data processing in close proximity to its source. This approach not only enhances the efficiency of data processing but also integrates data acquisition, analysis capabilities, sensing, and communication. Additionally, the Internet of Things (IoT) holds substantial importance within Industry 4.0, serving as a fundamental technology for wireless connectivity, data collection, and real-time monitoring. Simultaneously, while edge computing offers numerous advantages, it also presents challenges such as security concerns, data-intensive services, handling incomplete data, and notably, substantial investment and maintenance costs. To address these issues, cloud computing technology emerges as the optimal solution. This article aims to to propose an innovative approach called Artificial Intelligence of Things (AIoT) for optimizing production management. The focus of this project is the development of a production line for quality control capable of classifying gears as well as detecting defective ones. The production line collects comprehensive data, which is subsequently transmitted to a server for further processing. The results are then displayed through various interfaces, including an a web dashboard, A desktop interface and an Android app, providing analytics insights. This project leverages the integration of AI and IoT technologies within the AIoT framework to create a fully autonomous environment that significantly enhances overall efficiency.
Modeling methods used in bioenergy production processes: A review
(Techno press, 2020) Akroum, Hamza; Akroum-Amrouche, Dahbia; Aibeche, Abderrazak
The enhancements of bioenergy production effectiveness require the comprehensively experimental study of several parameters affecting these bioprocesses. The interpretation of the obtained experimental results and the estimation of optimum yield are extremely complicated such as misinterpreting the results of an experiment. The use of mathematical modeling and statistical experimental designs can consistently supply the predictions of the potential yield and the identification of defining parameters and also the understanding of key relationships between factors and responses. This paper summarizes several mathematical models used to achieve an adequate overall and maximal production yield and rate, to screen, to optimize, to identify, to describe and to provide useful information for the effect of several factors on bioenergy production processes. The usefulness, the validity and, the feasibility of each strategy for studying and optimizing the bioenergy-producing processes were discussed and confirmed by the good correlation between predicted and measured values
A perfectly symmetrical configuration in dual-bridge inverter topology for maximum mitigation of emi, common-mode voltages and common-mode currents
(2010) Akroum, Hamza; Kidouche, M.; Grouni, S.; Zelmat, M.
Real-Time Reduction of rotor position estimation error based on the stator flux Estimation-Combined method for sensorless control of PMSMs drives
(Praise Worthy Prize S.r.l, 2021) Aibeche, Abderrezak; Akroum, Hamza; Boudouda, Aimad; Kidouche, Madjid; Doghmane, Mohamed Zinelabidine
This paper presents the implantation and the performance improvement of real-time reduction of rotor position estimation error based on the stator flux estimation-combined method for sensorless control of PMSMs drives. Wherein, the proposed method is designed based on a simple algorithm for accurate estimation and robust control of quasi-exact stator flux and position/speed of PMSMs. A large-speed range of applications in sensorless control strategies is achieved by using the mathematical model of PMSM motor. The latter presents the main idea of the estimators’ structures design. They are generally composed of voltage and current models (VM and CM). However, the dynamic performances of these methods are influenced in the low and high-speed ranges, and they are sensitive to parameters variations. The estimators’ structures are dominated by the current model at the low-speed range, and by the voltage model at the high-speed range. The technique proposed in this study is the combination of the two preceding models; this provides performances’ improvement in the PMSM dynamics for a large speed variation with compensating estimation errors for the two separate methods (VM and CM). The main objective of this combined method is the drawback reduction for the separate use of VM and CM estimators. The algorithm principle is based on exploiting and combining the two estimators while measuring the stator voltages and the currents, in addition to estimating the rotor position and the speed. Furthermore, the performances of the proposed method have been tested and validated through real-time experiments by using dSPACE ds 1104 DSP board
Recent progress on field-effect transistor-based biosensors: device perspective
(Beilstein-Institut Zur Forderung der Chemischen Wissenschaften, 2024) Smaani, Billel; Nafa, Fares; Benlatrech, Mohamed Salah; Mahdi, Ismahan; Akroum, Hamza; Azizi, Mohamed walid; Harrar, Khaled; Kanungo, Sayan
Over the last few decades, field-effect transistor (FET)-based biosensors have demonstrated great potential across various industries, including medical, food, agriculture, environmental, and military sectors. These biosensors leverage the electrical properties of transistors to detect a wide range of biomolecules, such as proteins, DNA, and antibodies. This article presents a comprehensive review of advancements in the architectures of FET-based biosensors aiming to enhance device performance in terms of sensitivity, detection time, and selectivity. The review encompasses an overview of emerging FET-based biosensors and useful guidelines to reach the best device dimensions, favorable design, and realization of FET-based biosensors. Consequently, it furnishes researchers with a detailed perspective on design considerations and applications for future generations of FET-based biosensors. Finally, this article proposes intriguing avenues for further research on the topology of FET-based biosensors.
Robustness Enhancement of Fractionalized Order Proportional Integral Controller for Speed Control of Indirect Field-Oriented Control Induction Motor
(Wydawnictwo SIGMA-NOT, 2024) Ousaadi, Zahira; Akroum, Hamza; Idir, Abdelhakim
This article presents a novel approach for controlling an induction motor (IM) drive using a fractionalized order proportional integral (FrOPI) controller within an indirect field-oriented control (IFOC) scheme. In contrast to the conventional Integer Order PI controllers (IOPI), the FrOPI controllers demonstrate enhanced performance owing to their nonlinear characteristics and the inherent iso-damping property of fractional-order operators. The performance of the induction motor is thoroughly assessed under various conditions, including starting, running, speed reversal, and sudden changes in load torque. Simulation results are then presented to confirm the effectiveness of the induction motor drive when utilizing the FrOPI controller
Scalar control of induction motor drives using dSPACE DS1104
(2013) Akroum, Hamza; Kidouche, M.; Aibeche, Abderrazak
This paper deals with design and implementation of Voltage/Frequency (V/f) control of induction motor (IM) drives. Sinusoidal PWM (SPWM) and non sinusoidal PWM, using an injected Zero-Sequence Signal (ZSS), are used for controlling the motor. An analytical approach is used to design the Proportional Integral Controller with antiwindup. The design procedure uses only the name plate data. A 3Kw, 3-phase, 50Hz, 1420rpm, induction motor and a dSPACE DS1104 hardware/software are used to carry out the control application. The experimental results show the effectiveness of the control method
A Survey Study of Modeling, Analysis, and Control Drill String under Torsional, Axial, and Lateral Vibrations
(Institute of Electrical and Electronics Engineers Inc, 2023) Benmir, Nora; Akroum, Hamza; Doghman, Mohamed Z.; Kidouche, Madjid
The drill string behavior under different modes of vibrations and harmful oscillations during a drilling process make an essential challenge in the oil and gas industry for the high cost of oil well drilling. Several research and investigations conducted to understand and analyze drill string behavior under this unexpected dynamics. This review provides a substantial and systematic analysis of a collection of research papers published over the past two decades, elucidated the complex dynamics of drill strings subjected to diverse vibration modes.The investigation encompasses a range of scholarly articles dedicated to the examination of torsional, axial, and lateral vibrations inherent in the context of rotary drilling endeavors. Within this study, we summarize the main mathematical modeling methods used to describe drill string behaviors under harmful dynamics.A comparison between passive and active control strategies within the domain is included, coupled with an exploration of the importance of integrating advanced technologies in this field.