Alla Eddine TOUBAL MAAMAR
Hassiba Ben Bouali University, Electrical Engineering, Graduate Student
- Power Electronics, Control Systems Engineering, Multilevel Inverter, Modeling and Simulation, Renewable Energy, Artificial Neural Networks, and 10 moregrid connected PV inverters, Resonance Frequency, MLP training, Electrical and Computer Engineering (ECE), Real Time Embedded Systems, Electronics Arduino, DSP-based power electronics systems, Finite-Difference Methods, Experimental Stress Analysis, and Future of artificial intelligenceedit
- Electrical Engineering; Renewable Energy; Power Electronic Systems; Artificial Intelligence; Electrical Machines;... moreElectrical Engineering; Renewable Energy; Power Electronic Systems; Artificial Intelligence; Electrical Machines;
Electrical Control; Artificial Neural Network; DC/AC Converters; DC/DC Convertersedit
Comme tout processus industriel, un système photovoltaïque peut être soumis, au cours de son fonctionnement, à différents défauts et anomalies conduisant à une baisse de la performance du système et voire à son indisponibilité. Permettre... more
Comme tout processus industriel, un système photovoltaïque peut être soumis, au cours de son fonctionnement, à différents défauts et anomalies conduisant à une baisse de la performance du système et voire à son indisponibilité. Permettre de diagnostiquer finement et de faire de la détection et de localisation de défauts dans une installation photovoltaïque réduit les coûts de maintenance et surtout augmente la productivité. Dans ce travail, nous nous intéressons spécifiquement à la détection et la classification de défauts d'un générateur photovoltaïque (GPV) en utilisant l'approche neuronale. Les performances de l'approche neuronale sont analysées sur la base d'une comparaison avec la méthode de seuillage. Abstract-As every industrial process, a photovoltaic system may subject, during his operation, to various faults and abnormalities leading to a drop of its efficiency up to its unavailability. A precise diagnosis and a fault detection and isolation make it possible to reduce the maintenance costs and above all increase the yield. In this work, a focus has been made on the fault detection and classification in the photovoltaic generator using the neural approach (Artificial Neural Network: ANN). The ANN approach is compared to the thresholding method. Mots-clés: Générateur photovoltaïque-Détection et classification des défauts-Méthode de seuillage-Réseaux de neurones.
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This paper presents the implementation of selective harmonic elimination (SHE) in a five-level inverter structure using artificial neural networks (ANNs). SHE is an effective low-frequency modulation technique to eliminate selected... more
This paper presents the implementation of selective harmonic elimination (SHE) in a five-level inverter structure using artificial neural networks (ANNs). SHE is an effective low-frequency modulation technique to eliminate selected harmonics and control multilevel converters. The use of ANN-SHE requires the calculation of the optimum values of switching angles via the solving system of nonlinear equations for the total harmonic distortion (THD) reduction, where the nonlinear equations are founded by the complex Fourier series analysis of the inverter output voltage. The procured switching angle values are directly implemented by a multilayer perceptron (MLP) algorithm without a lookup table. The ANN model is obtained by training the neural network (NN), taking the modulation index (M) as an input and approximating switching angles as an output. A thorough analysis was carried out to show the programming steps of the proposed ANN-based SHE using Matlab/Simulink environment. A realized inverter prototype steered by the proposed ANN-based SHE was tested with various modulation indexes on a real-time mode using a digital signal processor (DSP) C2000 Delfino–TMS320F28379D-embedded board. A comparison between the simulation results and the experimental data is presented. The obtained results illustrate that the experimental results match the simulation closely, and the ANN model provides a fast and precise estimate of the switching angles for each value of the modulation index.
Research Interests: Algorithms, Control Theory, Power Electronics, Genetic Algorithms, Modeling and Simulation, and 9 moreExperimental Research, Artificial Neural Networks, DSP, Multilevel Inverter, total harmonic distortion (THD), Newton-Raphson algorithm, Low Switching Frequencies, Interactive Tutorial In Pseudo Code Programming Using C#, and selective harmonic Elimination
This paper explains the implementation of a small-signal model for a new five-level series resonant inverter structure. The proposed circuit combines the advantages of multilevel inverters and the characteristics of the physical... more
This paper explains the implementation of a small-signal model for a new five-level series resonant inverter structure. The proposed circuit combines the advantages of multilevel inverters and the characteristics of the physical phenomena, resonance. The small-signal model offers the possibility to design a linearized linear time-invariant (LTI) model around an equilibrium point based on the first-order Taylor series. After that, the performance of the proposed five-level series resonant inverter and its small-signal model are evaluated in MATLAB/Simulink environment. Compared with a MATLAB model generated using the system identification toolbox, the developed small-signal model exhibited a good accuracy in frequency and time domains. In addition, a hardware test bench is developed to validate the proposed model. Both simulation and experimental results show that the proposed multilevel resonant inverter is very interesting for high-voltage high-frequency applications. As a perspective, from the results obtained, we suggest the use of small-signal AC analysis for multilevel series resonant inverter modeling. The paper contains rich information on the recently used tools for dynamic systems modeling and analysis of nonlinear processes that can be applied to modeling and analyzing other power electronics inverters.
Research Interests: Control Systems Engineering, Control Theory, Power Electronics, Power System, Modeling and Simulation, and 13 moreHigh Voltage Engineering, High Frequency, DSP, PID controller design, Resonance, Electric Circuits, Resonant Converters, Multilevel Inverter, Dynamic Systems and Control, Embeded Control System Design and Implementation, Mathimatical Modeling, Small Signal Model, and Series Resonant Inverters
In this paper, analysis and modeling of a single-phase H-bridge forty-one level inverter are con sidered. The control of proposed inverter by equal-phase and half-height methods is implemented. MATLAB/Simulink environments are used to... more
In this paper, analysis and modeling of a single-phase H-bridge forty-one level inverter are con sidered. The control of proposed inverter by equal-phase and half-height methods is implemented. MATLAB/Simulink environments are used to simulate the model an d show obtained results of waveforms with FFT analysis. Eventually, the total harmonic distortion obtained for each level with the two methods is presented, comparatively, for a comparison.
In this study, the analysis, simulation and realization of direct current to alternating current multilevel inverter are discussed. Inverter operation with the high-frequency mode is evaluated and tested for the validation of the... more
In this study, the analysis, simulation and realization of direct current to alternating current multilevel inverter are discussed. Inverter operation with the high-frequency mode is evaluated and tested for the validation of the topology. This inverter type will be used in an induction heating system or other industrial applications need high-frequency, periodic and alternating signals. The control signals of electronic switches are implemented via an open-source board, Arduino, composed of an Atmega2560 microcontroller. Simulation with MATLAB/Simulink environments and experimental results are presented, comparatively, for a comparison.
Streszczenie. W artykule zaprezentowano symulację, analizę I eksperymentalną weryfikację przekształtnika. DC/AC. Ten typ przekształtnika może być zastosowany w nagrzewaniu elektrycznym lub innych zastosowaniach wymagających prądu wcz. Analiza, symulacja I eksperymentalna weryfikacja wielopoziomowego przekształtnika DC/AC wysokiej częstotliwości.
Streszczenie. W artykule zaprezentowano symulację, analizę I eksperymentalną weryfikację przekształtnika. DC/AC. Ten typ przekształtnika może być zastosowany w nagrzewaniu elektrycznym lub innych zastosowaniach wymagających prądu wcz. Analiza, symulacja I eksperymentalna weryfikacja wielopoziomowego przekształtnika DC/AC wysokiej częstotliwości.
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In this paper, analysis and modelling of a single-phase cascaded full-bridge resonance inverter are considered. The control of proposed inverter by full-wave phase method at high frequency is implemented. In the first step,... more
In this paper, analysis and modelling of a single-phase cascaded full-bridge resonance inverter are considered. The control of proposed inverter by full-wave phase method at high frequency is implemented. In the first step, MATLAB/Simulink environments are used to simulate the model and show obtained results of waveforms. The second step is the experimental validation of simulation results by a realization of the inverter and generated signals. The Root-Mean-Squared voltage of a capacitor waveform between 3 and 7 kHz frequency with simulation and realization are presented, comparatively, for a comparison. The results obtained are satisfactory and show the efficiencies of analysis and the proposed model of the full-bridge resonance inverter.
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In this paper, analysis and modeling of a single-phase H-bridge forty-one level inverter are considered. The control of proposed inverter by equal-phase and half-height methods is implemented. MATLAB/Simulink environments are used to... more
In this paper, analysis and modeling of a single-phase H-bridge forty-one level inverter are considered. The control of proposed inverter by equal-phase and half-height methods is implemented. MATLAB/Simulink environments are used to simulate the model and show obtained results of waveforms with FFT analysis. Eventually, the total harmonic distortion obtained for each level with the two methods is presented, comparatively, for a comparison.
The resonance converters are widely used in induction heating, emergency power supplies or for signal filtering in electrical power conversion. Today, research in the field of resonance converters represents an important part of the... more
The resonance converters are widely used in induction heating, emergency power supplies or for signal filtering in electrical power conversion. Today, research in the field of resonance converters represents an important part of the research, especially with the development of digital calculators and control units such as DSP, FPGA, and Microcontrollers. The digital control is a branch of control theory that uses digital computers and calculators to act as system controllers, it has been greatly used in different applications such as the power transmission and if compared to traditional analogue control the digital control has many advantages. In this work, we have mainly interested in the design and implementation of a singlephase resonant inverter witch controlled by an Arduino board. The objective is to achieve high-frequency waveforms signals and take a look at a very attractive physical phenomenon called the resonance. The obtained results show the effectiveness and the operating simplicity of the series resonant inverter with two switches and the effectiveness of the digital control through the Arduino board at high-frequency levels.
Research Interests: Control Systems Engineering, Power Electronics, Embedded Systems, Digital Signal Processing, Control Systems, and 13 moreArduino, High Frequency, Power converters for electric machines including multilevels, FPGA and DSP, Real Time Embedded Systems, Real time modeling and hardware in the loop simulation for power system, Matlab & Simulink programming, Induction Heating, Inverter, Experimental control, Automation Using Arduino, IGBT Gate Drive, and Induction Heating Inverter
This paper presents a simulation and experimental validation of H-bridge inverter with the implementation of a Newton-Raphson algorithm for selective harmonics elimination. Contributions are made in interfacing and programming of Arduino... more
This paper presents a simulation and experimental validation of H-bridge inverter with the implementation of a Newton-Raphson algorithm for selective harmonics elimination. Contributions are made in interfacing and programming of Arduino ATmega328P microcontroller and use it to control of single-phase inverter by selective harmonic elimination technique. Through this work, we have given a general analytical description of the total harmonic distortion and present the method of application of the Newton-Raphson algorithm for selective harmonic elimination. MATLAB Simulink used for simulation and Arduino IDE software was used to program the Arduino board. The validity of the simulation model is verified by experimental results, the inverter was realized and the algorithm control is tested, results of the simulation and realization are compared, they show the efficiency of the system analysis and demonstrate the ability of Arduino to control the inverter and to generate complex signals for the electrical systems control.
Research Interests: Control Systems Engineering, Programming Languages, Control Theory, Educational Informatics, Power Electronics, and 15 moreDigital Signal Processing, Modeling and Simulation, Industrial Engineering, C++ Programming, Arduino, High Frequency, PWM Modulation Converters, Real Time Embedded Systems, Realization, Matlab & Simulink programming, Newton-Raphson algorithm, Inverter, cascaded H-bridge multilevel Inverter, Programming with Arduino, and selective harmonic Elimination
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Etude et Conception d’un Onduleur Multiniveaux à Résonance
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New robust algorithm of Maximum Power Point Tracking (MPPT) for an extraction system solar energy by photovoltaic effect is tackled in this paper. Indeed, the algorithms available today, suffer from non-robustness against climate change... more
New robust algorithm of Maximum Power Point Tracking (MPPT) for an extraction system solar energy by photovoltaic effect is tackled in this paper. Indeed, the algorithms available today, suffer from non-robustness against climate change as well as system settings. This requires a deep study of the simulation of a robust controller system. Therefore, it is proposed, the Interconnection and Damping Assignment Passivity Based Control (IDA-PBC) application for maximum power point tracking (MPPT), which shows its efficiency and robustness compared to other methods (such as Incremental Conduction), as fast and the decrease against climate perturbations and variations of system parameters.
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Comme tout processus industriel, un système photovoltaïque peut être soumis, au cours de son fonctionnement, à différents défauts et anomalies conduisant à une baisse de la performance du système et voire à son indisponibilité. Permettre... more
Comme tout processus industriel, un système photovoltaïque peut être soumis, au cours de son fonctionnement, à différents défauts et anomalies conduisant à une baisse de la performance du système et voire à son indisponibilité. Permettre de diagnostiquer finement et de faire de la détection et de localisation de défauts dans une installation photovoltaïque réduit les coûts de maintenance et surtout augmente la productivité. Dans ce travail, nous nous intéressons spécifiquement à la détection et la classification de défauts d'un générateur photovoltaïque (GPV) en utilisant l'approche neuronale. Les performances de l'approche neuronale sont analysées sur la base d'une comparaison avec la méthode de seuillage. Abstract-As every industrial process, a photovoltaic system may subject, during his operation, to various faults and abnormalities leading to a drop of its efficiency up to its unavailability. A precise diagnosis and a fault detection and isolation make it possible to reduce the maintenance costs and above all increase the yield. In this work, a focus has been made on the fault detection and classification in the photovoltaic generator using the neural approach (Artificial Neural Network: ANN). The ANN approach is compared to the thresholding method.
Mots-clés: Générateur photovoltaïque-Détection et classification des défauts-Méthode de seuillage-Réseaux de neurones.
Mots-clés: Générateur photovoltaïque-Détection et classification des défauts-Méthode de seuillage-Réseaux de neurones.
Research Interests: Electrical Engineering, Artificial Intelligence, Power Electronics, Renewable Energy, Modeling and Simulation, and 9 moreData Structures and Algorithms, Matlab & Simulink programming, Artificial Neural Networks (ANNs), MATLAB Simscape Power Systems, ANNs Controllers, diagnosis of photovoltaic module , data-base clasification with ANNs, artificial intellegence in renewable enregy, and detection of photovoltaic defects
The use of sustainable energy produced through solar panels has attracted a lot of attention, especially with the increase demand of electricity, the global warming and pollution. A solar panel consists of a number of photovoltaic cells,... more
The use of sustainable energy produced through solar panels has attracted a lot of attention, especially with the increase demand of electricity, the global warming and pollution. A solar panel consists of a number of photovoltaic cells, where a solar cell converts the sunlight into the electrical energy by the photovoltaic effect. The voltage generated by the solar cell can vary between 0.3V to 0.6V depending on the semiconductor material used as well as its temperature. The voltage, current and therefore power of a solar cell are not adapted to standard applications, so it is necessary to associate the cell in groups to create a solar panel. The experimental implementation of the various algorithms and methods for energy optimization and power flow control between the load and the solar panel can damage this equipment's, so mathematical modeling and simulation would be a very important step to test the workings of the algorithms before its implementation. The purpose of this work is to present a pedagogical guide for modeling and simulation of solar panel in MATLAB/Simscape. In this paper, we have presented all necessary details to model and simulate a photovoltaic panel step-by-step, with the sharing of all algorithms and simulation tricks. The main contributions of this work are the proposed model and the MATLAB algorithm for simulation the solar panel, which any user can simply modify the system for other research applications.
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Solar energy is a critical renewable energy source that has been extensively utilized in recent decades through Photovoltaic (PV) systems, which serve as the primary medium for converting solar energy. For PV systems, timely... more
Solar energy is a critical renewable energy source that has been extensively utilized in recent decades through Photovoltaic (PV) systems, which serve as the primary medium for converting solar energy. For PV systems, timely identification and resolution of operational faults is vital to guarantee the reliability and efficiency of energy conversion. Therefore, an effective fault diagnosis approach is imperative. Artificial neural networks, an essential artificial intelligence technique, have been developed and implemented in various fields, including the fault diagnosis of PV systems, due to their exceptional self-learning capabilities, excellent generalization performance, and high fault tolerance. This study is particularly focused on identifying and locating defects in solar panel using artificial neural networks. These networks are a significant part of the field of artificial intelligence, as they utilize learning algorithms to determine the most effective solution to problems. The study provides a general overview of neural networks and their characteristics before outlining the development of a multilayer perceptron MLP network for detection and classification of solar panel faults. Finally, the main challenges and development trends for ANN applied to solar panel faults diagnosis are outlined. This work provides a useful reference for studying the application of ANN in the field of PV system fault diagnosis.
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The objective of the is work is the study of the vectorial command by neural networks of a three-phase asynchronous machine, fed by a three level voltage inverter of tension. This study was started with a modeling of the three-phase... more
The objective of the is work is the study of the vectorial command by neural networks of a three-phase asynchronous machine, fed by a three level voltage inverter of tension. This study was started with a modeling of the three-phase asynchronous machine and its supply (three level voltage inverter). Then we used the vectorial command, which allows to command independently the flux and the electromagnetic torque. Finally, we applied the characteristics of the networks of neurons to identify the behaviour of the system (regulating PI plus the block of the field oriented control FOC), and to replace it by only one neural network
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Aujourd’hui, La technique des convertisseurs à résonance représente une partie de recherche importante, recherche liée également à des applications performantes et puissantes tels que les alimentations de secours, ozoneurs et les... more
Aujourd’hui, La technique des convertisseurs à résonance représente une partie de recherche importante, recherche liée également à des applications performantes et puissantes tels que les alimentations de secours, ozoneurs et les chauffages par induction. Il y a plusieurs types de convertisseur résonant, tel que : l’onduleur à résonance série, onduleur à résonance parallèle, convertisseur de résonance de classe E, redresseur de résonance de classe E, convertisseur résonant à commutation de tension nulle, convertisseur résonant à commutation de courant zéro, convertisseur résonant à deux quadrants. Dans ce travail nous sommes intéressé à l’étude et la conception d’un onduleur à résonance série, l’étude commencée par la description de système et la topologie proposée ensuite une simulation et réalisation de l’onduleur effectué, les signaux de commande sont implémenté par la carte arduino uno, la comparaison entre les résultats de simulation et expérimentaux nous donne une concordance et avec la carte de commande nous pouvons avoir des signaux de commande en hautes fréquences.
Keywords—La résonance; Onduleur; Haute frequence; Arduino
Keywords—La résonance; Onduleur; Haute frequence; Arduino
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the power generated from the renewable sources like solar energy produces is a direct current. This DC power needs to be converted to alternate current power, as most of the appliances use AC power, circuit which convert DC power into AC... more
the power generated from the renewable sources like solar energy produces is a direct current. This DC power needs to be converted to alternate current power, as most of the appliances use AC power, circuit which convert DC power into AC power at desired output voltage and frequency are called as inverters. Like all power, its needs to be under control. The digital control has been popular, is a branch of control theory that uses digital computers to act as system controllers. The use of digital control of electrical equipment increasing. Recently years, digital control has been greatly used in different applications such as the power transmission. Compared to traditional analogue control, digital control of inverter has many advantages. The main objective of this work is the realization of half bridge resonant inverter and controlled with arduino. The digital control is tested in proposed inverter and the results obtained show the efficiency of digital control by the arduino board.
Keywords—Inverters; Power Electronics; Digital control; Arduino.
Keywords—Inverters; Power Electronics; Digital control; Arduino.
Research Interests: Power Electronics, Experimental Design, Digital Control, System Analysis and Design, Resonance, and 10 moreDigital Control System, Resonant Converters, Digital Signal Processing and Control System, Inverter, An Experimental Study, Design and Implementation, Arduino Project, Programming with Arduino, resonansi R-L-C, and Control using Arduino
Un système photovoltaïque peut être soumis au cours de son fonctionnement, à différents défauts qui nécessitent une certaine approche pour les détecter. Vu la complexité des méthodes classiques et ses limitations, il existe des techniques... more
Un système photovoltaïque peut être soumis au cours de son fonctionnement, à différents défauts qui nécessitent une certaine approche pour les détecter. Vu la complexité des méthodes classiques et ses limitations, il existe des techniques qui font partie des méthodes émergentes comme les réseaux de neurones artificiels qu'ils ont prouvé leur efficacité dans beaucoup de domaines. Dans ce travail, nous nous sommes intéressés spécifiquement à la détection et la localisation des défauts du générateur photovoltaïque (GPV) par l'approche neuronale.