MILOUD Bentoumi

1. MELIANI Nassim safwan , 2. ZOUAOUI Chahinez

Etude et implémentation d’un système de détection de fuite d’eau basé sur un modèle développé

BOUCHELIG Siham , CHAKER Amina

Conception d’une antenne bi-bande pour les applications 5G

GUELMINE, Nora Sakina , LADEJNEF, Manel

Simulation et conception d'un filtre pour des applications médicales ( signaux ECG)

CHARIKH, YOUSRA , DOUCENE, HAFSA

Implémentation d’un système de détection De fuite autour d’un système de traitement De signal numérique

LAGUEAGUE Seyfeddine , OUALI Elhadj Taieb

Détection des fuires dans les réseaux de distribution d'eau

ZEGAAR Imane , GHERBI Aicha

Etude et conception d’un filtre passe bande à base de résonateur à saut d’impédance pour les systèmes de communication sans fil

Water distribution networks around the world suffer from leaks. These are due to the movements of various agents such as ground movements, and vibrations caused by road traffic without forgetting the nature of the ground. For this, permanent control is needed. In this work, we have developed a LabVIEW interface for the acquisition and processing of signals received from pressure transmitters. A Wifi system for transmitting and receiving signals from the pressure transmitters is used. To analyze signals to remotely detect anomalies that may occur on the network. The work is divided into two parts: a practical or hard part and a soft part. The hard one is used to obtain the signals containing the leakage information. The soft part is based on the application of signal processing techniques for the detection and location of the exact position of the leakage and therefore minimize the amount of water that is lost.

Citation

Miloud BENTOUMI , ,(2023-07-10), Design of leaks detection and localization in WDNs based on LabVIEW and pressure signals,(hybrid ) International Conference on Nonlinear Science and Complexity (ICNSC23,),Istanbul-Turkey

Water is a precious, sometimes scarce resource that is crucial for all kinds of life. In the last two decades, the water demand has far exceeded the supply in many countries. It is also worth mentioning that distribution networks are constantly increasing. According to an international study 20-50% of the produced quantities are lost due to leaks. These leaks can cause significant economic losses and multiple water contaminations that are carried as a major health risk for the citizen. Therefore, network managers are always looking for fast and inexpensive harmless leak detection systems. The rapid detection of a leak in underground pipes is widely taken into account in the performance evaluation of water supply systems. In addition, detection methods should not interfere with the normal operation of water transport. To minimize the effect of false alarms (FA) that have a costly effect on infrastructure. These false alarms are produced by the use of the most widely used acoustic detectors in the world, which are usually based on the signal correlation technique to know the exact location of the leak in relation to one of the sensors. In this work, we present a new leak detector applied to a prototype pipe using highly sensitive pressure transmitters. For this purpose, we have applied the wavelet technique (DWT) for denoising our non-stationary signals from these transmitters. The STFT (Short time Fourier transform) will be used for the analysis of these non-stationary and non-linear signals coming from the leaks to know the exact position of the leak. Validation tests have proven the efficiency of our detector.

Citation

Miloud BENTOUMI , ,(2023-07-10), DWT and STFT applied to Detect and locate leaks in WDNs,(hybrid ) International Conference on Nonlinear Science and Complexity (ICNSC23,) July 10-15, 2023,Istanbul-Turkey

The design of leak detection systems that occur on water pipes is a priority area of applied research that has an economic and health impact on the future of any nation. The various control systems and tools that currently exist throughout the world are designed to ensure permanent and effective monitoring of natural resources that have become rare and precious. The determining factor for the choice of a good detector is the cost in the first place, flexibility, and speed of processing. In this work, the basic idea is to simultaneously acquire from a new inexpensive electronic device two signals from two pressure transmitters installed on a prototype pipe carried out at the laboratory. These signals are usually immersed in noise. For this, denoising by an appropriate digital filter is indispensable. In our case, the Savitzky-Golay filter (S.G) presents its efficiency. The denoising performances are obtained from the calculation of SNR. The denoised signals are analysed to confirm the presence of the leak in the case of itsexistence. Mathematical equations are applied to determine the exact position of the leak with regards to one of the sensors. Validation tests are required to determine the position of the leak when the difference time between the signals is known

Citation

Miloud BENTOUMI , ,(2022), SG Filter and Speed of pressure wave applied to locate leak in water pipes netwoks,ICATEEE 2022,M'sila

Water distribution systems (WDNs) suffer from leakage problems. The latter can cause damage to infrastructure and also act on public health by the penetration of microbes of waterborne diseases transmissible through the orifices of leaks as soon as a drop in pressure occurs. For this purpose, the network managers always look for the best devices to detect and locate in time the anomaly of the networks as soon as it appears. In order to realize a system of detection and location of leakage a prototype circuit was realized equipped with a pressure sensors and a system of acquisition based on Digital Signal Processor (DSP). Pressure measurements for specific distances were carried out. A digital filter was applied for a denoising. Pairs of pressure values before and after leakage are applied to a mathematical model for localization. We opted to use nonlinear regression (RNL) for the determination of nonmeasurable physical parameters based on pre-localized leak positions. Validation tests are performed to demonstrate the effectiveness of the model. In our study a divergence of the model used was found.

Citation

Miloud BENTOUMI , ,(2022), RNL used for the verification of the efficiency of a localization model in a real WDNs,ICATEEE 2022,M'sila

The pipeline system is the most important part of the transportation of potable water. In other words, pipes are the most important component of the water distribution system. Because of several factors, they suffer from holes in which water is lost, and therefore an economic loss to states and humanity. Responsible for the water distribution networks always try to minimize the damage. By working to find the most effective way to detect leaks in these networks. This article centers on a mathematical model of a hydraulic system that aims to locate leakage in water transmission pipes. Several optimization techniques can be used. We opted for the BBO (biogeographybased optimization) method because of its performance, in particular the execution time of its algorithm. This method is applied to determine the two parameters of the model (friction and dynamic viscosity) to obtain a good localization. We take GA a method of compared method with BBO.

Citation

Miloud BENTOUMI , ,(2022), Parameterization and Validation of the Physical Coefficients of a WDNs by BBO,ICATEEE 2022,M'sila

Nowadays, the generalization of wireless communication systems and the need to miniaturize antennas to allow their integration into small objects at ultra-high frequencies is growing. At these frequencies, the antenna is the bulkiest component and its miniaturization constitutes one of the most important current challenges for designers of communicating objects. The main objective of our work is the design of a dual-band patch antenna working for fifthgeneration systems. For this purpose, we designed a miniature antenna having two resonance frequencies, one around 7GHz and the other around 28GHz. For this, our work is based on a classic rectangular patch antenna. Miniaturization techniques and ground plane deformation (GDS) are used to obtain the best performance. A parametric study was performed to see the most influential parameters to achieve the desired requirements. The influence of the geometrical parameters of the antenna on the resonance frequency, bandwidth, and directivity has been taken into consideration. The results obtained showed a good performance of the designed antenna

Citation

Miloud BENTOUMI , ,(2022), Design of a miniature bi-band patch antenna with asymmetrical feedline for 5G applications,ICATEEE 2022,M'sila

In the present work, a dynamic stochastic method is proposed and used for the synthesis of uniform linear antenna arrays. The proposed method combines the classical invasive weeds optimization (IWO) and the mutation process, which makes it robust, simple and shows flexibility to be adapted. The dynamic IWO applies the mutation process in the calculation of standard deviation during the spatial dispersal process of produced seeds while keeping the mean at the parent plants. In the mutation process, if special conditions were achieved, the standard deviation would be re-initialized. This proposed method tries to achieve an optimal array pattern by acting on the relative amplitude excitation of each element in the linear array for an optimal inter-element spacing. The optimal array pattern has deep or broad nulls in some directions of interferences with low sidelobes level. The objective of the synthesis is to get amplitude excitations with low dynamic range ratio (DRR), which facilitates the design of beamforming feed network. To illustrate the robustness of the proposed method, numerical examples are presented and compared with the obtained results using bees algorithm (BA), bacterial foraging algorithm (BFA), real genetic algorithm (RGA), and the corresponding reference array pattern for each example.

Citation

Miloud BENTOUMI , , (2021), A Dynamic Invasive Weeds Optimization Applied to Null Control of Linear Antenna Arrays with Constrained DRR, Advanced electromagnetics, Vol:10, Issue:1, pages:52-61, AEM journal

This work deals to introduce a new idea inspired from the empirical mode decomposition of the pipe as well as the size of the leak are considered as sources acting on the leakage (EMD) technique in order to detect a leak in water distribution networks (WDN). Welsh’s power spectral density (WPSDE) is used to locate the frequency band in which leaks occur. Leaks produce acoustic and vibration signals propagating along the pipeline, which have nonlinear and non-stationary characteristics. Hydraulic pressure, the nature and diameter signals. The analysis of such leakage signals using conventional methods is limited by the choice of the narrow bands and cause therefore the loss of useful information. EMD is a technique that allows the decomposition of a signal in the time domain as stationary oscillatory signals called intrinsic mode functions (IMFs), which can be processed separately. Experiments were carried out to verify the validity of the proposed method. That shows its best performances in detecting leaks. For the localization, we applied the Short-Time Fourier Transform (STFT) technique that has the potential to locate leaks at greater distances from a measurement point and proved its efficiency.

Citation

Miloud BENTOUMI , , (2020), Welsh DSP Estimate and EMD Applied to Leak Detection in a Water Distribution Pipeline, Instrumentation Mesure Métrologie, Vol:19, Issue:1, pages:35-41, IIETA

The main objective of this paper is to study the dielectric behavior of a ternary composite, made from a mixture of barium titanate (BT), copper oxide (CuO) in the same epoxy resin matrix (RE) maintained at 70% by volume fraction, while those of the other constituents are variable and completing each other in a way to achieve the remaining proportion, i.e. 30%. Random mixtures are made at room temperature and under atmospheric pressure. A dielectric characterization of this mixture type was performed by time-domain spectroscopy (TDS) over a frequency wide band (DC–3GHz). This has been carried out to illustrate the effect of copper oxide (CuO) simultaneously at low frequency (500MHz), in the presence of (BaTiO3), on the composite dielectric behavior. This has led consequently to make a comparison between the present acquired results and those of the ternary composite, where (CuO) act separately. The results obtained so far confirm the AC conductivity frequencies dependence, and fit the Jonscher’s law. In addition, It has been reported an increase of this conductivity σ_ACwhile the frequency goes up. However, the Static conductivity is affected clearly by the presence of CuO particles amount and these results show σ_(DC )plateau in the low frequency range. In fact, these characteristics are useful in many pragmatic engineering areas like microelectronics and telecommunications components manufacturing.

Citation

Miloud BENTOUMI , ,(2020), The influence of CUO on the dielectric properties of BATIO3-epoxy resin composite,CNTEA1-2020,M'sila

Water is a vital resource for life as well as for the majority of energy industries. Finding a way to manage this water sustainably is essential at a time when the world’s water resources are already under increasing stress due to population growth and global warming. As a direct implication, saving water is coming very crucial. This work deals with the application of the empirical mode decomposition method to the detection and the localization of the leaks using acoustic signals issued from STM32F4 acquisition card. Firstly, the empirical mode decomposition method has been applied in the denoising of acquired signals leading to two estimated components on which we apply secondly the correlation method to detect and localize the leakage in water distribution network. Experimental obtained results using a developed hydraulic plant as well as the acquisition system confirm the efficiency of the proposed method to detect accurately the leaks compared to conventional leaks detection methods.

Citation

Miloud BENTOUMI , , (2019), Experimental Validation of Hybrid EMD-Correlation Acoustic Digital Leaks Detector in Water Distribution Network System, I2M, Vol:18, Issue:6, pages:535-545, IIETA

Water is a vital resource for life as well as for the majority of energy industries. Finding a way to manage this water sustainably is essential at a time when the world’s water resources are already under increasing stress due to population growth and global warming. As a direct implication, saving water is coming very crucial. This work deals with the application of the empirical mode decomposition method to the detection and the localization of the leaks using acoustic signals issued from STM32F4 acquisition card. Firstly, the empirical mode decomposition method has been applied in the denoising of acquired signals leading to two estimated components on which we apply secondly the correlation method to detect and localize the leakage in water distribution network. Experimental obtained results using a developed hydraulic plant as well as the acquisition system confirm the efficiency of the proposed method to detect accurately the leaks compared to conventional leaks detection methods.

Citation

Haddi BAKHTI , Miloud BENTOUMI , ELhadi KENANE , Abdelghani Harrrag, , (2019), Experimental Validation of Hybrid EMD-Correlation Acoustic Digital Leaks Detector in Water Distribution Network System, Instrumentation Mesure Métrologie, Vol:18, Issue:6, pages:535-545, IIETA

The main goal of the present paper is the study of transmitted power control (TPC) algorithms for mobile cellular systems (UMTS). A novel power control algorithm and some already existing ones have been studied focusing on resolving the near-far problem that affects the performance of the system a whole. Unlike the other existing power control algorithms, and besides the dynamic step size, our Modified Adaptive Power Control algorithm (MAPC) shows its uniqueness in the intelligence added to restrict the oscillations of the estimated signal to interference ratio (SIR) around its target value by using a stabilization zone. Simulations were carried out to evaluate the robustness of the novel algorithm. The results show that the proposed algorithm outperforms the other existing power control algorithms.

Citation

Miloud BENTOUMI , ,(2018), An Adaptive Power Control Algorithm For 3G Cellular Networks,2018 International Conference on Communications and Electrical Engineering (ICCEE),El Oued, Algeria, Algeria

Leakage detection in water distribution systems is an important issue in water ressources saving and management. Inspired by speech and speaker signal processing, in this paper we apply the cepstaml analysis to identify the pipe leak detection by considering water flow in pipes similar to the sounds flowing throwgh vocal tract. the leak can be likened to an opening of the vocal tract, such as the mouth or the nose. Experimental obtained results of the proposed cepstral methods have been compared to those obtained using three conventional methods: autocorrelation, FFT and log of FFT. Comparative results prove thje effectiveness of the proposed method to track the leaks in different considering caseswith very clear peaks and almost in the same frequency (same moment) compared to the othe three considered methods.

Citation

Miloud BENTOUMI , ,(2018), Application of cepstral analysis to the leaks detection in water distribution networks,ICIMM2018,Setif, Algeria

This paper deals with the problem of water leak detection in the pipeline based on the empirical mode decomposition (EMD) method. At low frequencies, leaks produce acoustic and vibration signals propagating along the pipeline which have nonlinear and non-stationary characteristics. The hydraulic pressure, the pipe diameter, the nature of the pipe and the size of the leak can also be considered as other sources of the received signals, with unknown frequencies. The analysis of such leakage signals using conventional methods like the FFT, the correlation and the cepstrum is limited by the choice of the narrow periods and cause therefore the loss of the useful information. By accommodating the EMD non-stationary time domain decomposition method, the received signals can be treated separately via several stationary components (IMFs). For some leak positions in the pipeline, the EMD analysis is applied and compared with the existing leak methods. Working in the time domain analysis, our experimental results demonstrate that the EMD method provides better leak detection performances

Citation

Miloud BENTOUMI , ,(2018), EMPIRICAL MODAL DECOMPOSITION APPLIED TO LEAK DETECTION IN A WATER DISTRIBUTION PIPELINE,ICIMM2018,Sétif, Algeria

The main goal of the present paper is the study of transmitted power control (TPC) algorithms for mobile cellular systems (UMTS). A novel power control algorithm and some already existing ones have been studied focusing on resolving the near-far problem that affects the performance of the system a whole. Unlike the other existing power control algorithms, and besides the dynamic step size, our Modified Adaptive Power Control algorithm (MAPC) shows its uniqueness in the intelligence added to restrict the oscillations of the estimated signal to interference ratio (SIR) around its target value by using a stabilization zone. Simulations were carried out to evaluate the robustness of the novel algorithm. The results show that the proposed algorithm outperforms the other existing power control algorithms.

Citation

ELhadi KENANE , Haddi BAKHTI , Miloud BENTOUMI , Fegriche Fatima zahra, Farid Djahli, ,(2018), An Adaptive Power Control Algorithm For 3G Cellular Networks,International Conference on Communications and Electrical Engineering,El Oued, Algeria

In this study, the authors propose and analyse a novel leak-detection method based on the ‘Haar’ continuous wavelet transform (CWT) and a double thresholding, i.e. CWTDT. Inspired by the idea of the binary integration technique in radar target detection, the algorithm analyses the non-stationary vibration signal issued from a water pipeline through which it decides whether or not there exists a leak in the water conveyance. To achieve this, the signal is first divided into several segments. Partial binary decisions within each segment are then obtained through the use of two preselected thresholds. The final binary decision is obtained by means of the ‘K out of L’ fusion rule. In doing this, the hardware leak system prototype is designed and a number of desirable leak positions in the water pipeline are first created to achieve the two best thresholds and ‘K out of L’ fusion rule. For comparison purposes, the performances of the proposed CWTDT method are assessed experimentally against those of the existing fast Fourier transform- and CWT-based methods under real operating conditions.

Citation

Miloud BENTOUMI , , (2017), Wavelet DT method for water leak-detection using a vibration sensor: an experimental analysis, IET Signal Processing, Vol:11, Issue:4, pages:396 – 405, IET Digital Library

In the development of dielectric composite,it is interesting to know the structure-property relationship at nanoscale level and the effect of each phase in the global properties of the material. In this context, we present an experimental analysisin the case of a ternary composite material. Several homogeneous microstructures samples with copper (II) oxide (CuO) and barium titanate (BaTiO 3) particles in powder form with various amounts dispersed in a host matrix of Epoxy Resin are prepared. Their dielectric permittivity spectra are measured using time domain Reflectometry (TDR) technique.Theexperimental data isanalyzed by means of electric modulus formalisms.In high frequency, the electrical modulus confirms the presence of two relaxations process.The real part of such composite presents a stability before the frequency where the relaxation phenomena appeared.The addition of the CuO does not affect the real part of permittivity significantly, but its effect is clear in the imaginary part and hence the AC conductivity.The conductivity indicates that the conduction is ionic and due to the ion of CuO primarily. According to results obtained from this study, we can made composite materials with desired characteristics using these two phases in the limits of their dielectric intrinsic permittivity.The manufacturing process of such composite is simple andcan be used in manufacture.In addition, the reproducibility of such composite ischecked in this study.

Citation

Miloud BENTOUMI , ,(2015), Study of the effect of the CuO inthe dielectric properties of the nanocomposites Epoxy resin /BaTiO 3,4 th International Conference on Electrical Engineering (ICEE 2015),Boumerdès, Algeria

Résumé— Dans cet article une étude exhaustive suivi d'une analyse détaillée du comportement électrique de jonctions P+ N réalisées dans un film mince de silicium polycristallain obtenue par un procèdé technologique L.P.C.V.D. Pour ces composants ont doit analyser et caractériser les courbes I(V). Ces derniers sont basées sur des mesures pratiques faites au laboratoire pour différentes températures entre 200K° et 423K°. Dans notre travail nous nous somme basé sur le logiciel (SILVACO), pour faire la simulation électrique d'une diode latérale polycristallain telles que les étapes technologiques , les caractéristiques I(V),

Citation

Miloud BENTOUMI , ,(2015), caractérisation et analyse des diodes latéralesPN+ polycristalinne courant-tension pour des températures elévées sous environnement SILVACO,SNMER'15,El-oued- Algeria

Leak detection of water distribution networks is a problem that arouses theresponsibleauthorities for distribution all around the word. The reason, which involved researchers representing various disciplines to try to find a solution to the problem by implementing efficient devices in this field.Distributions networks are being degraded over time, which can cause leakage.To detect a leakequipment and techniquesare needed. They are constant progress with the development of technology. In this paper, the CWT (continuous wavelet transform) wassuggested as a technique for detecting and locating leaks in water distribution networks. The treatment using the CWT technique was foundas thebest solution for confirmation of the presence of a leakafter trying different signal analysis tools such as transforms (FFT, STFT, etc ....). The application was carried out in the laboratory with a short channel hybrid prototype (a part of steel followed by a part in PVC). Validations tests have shown the effectiveness of the method.

Citation

Miloud BENTOUMI , ,(2014), A WAVELET APPROACH FOR DETECTION AND LOCATION OF LEAKS IN WATER DISTRIBUTION NETWORKS,14th International Multidisciplinary Scientific GeoConference SGEM 2014,Bulgaria

This paper presents an application of the discrete cosine transform compression technique on medical images of the IRM type. The arithmetic coding method is used to encode the coefficients. The tests of this lossy compression/ decompression technique are performed on two IRM images representing the brain, in axial and sagital views, of a patient suffering from a cerebral hemorhage. The obtained results on these images show that the DCT technique permits to considerably improve the compression rate while mainting a good image quality when threshold varies in the interval: 0 les TH les 20 for bloc sizes: [16times16] and [32times32]. However, a severe degradation of the quality of the reconstructed medical image is observed when the threshold is greater than 30.

Citation

Miloud BENTOUMI , ,(2008), Application of the DCT and Arithmetic Coding to Medical Image Compression,2008 3rd International Conference on Information and Communication Technologies: From Theory to Applications,Damascus, Syria

Presented is a fast technique dedicated to the multilevel image thresholding and quantization based on the Shannonpsilas entropy maximization. The elaborated method uses efficiently the cumulative density function for the rapid determination of the optimal thresholds for segmentation. Some simulation results are reported for the aim of illustration and demonstration of its effectiveness.

Citation

Miloud BENTOUMI , ,(2008), A fast technique for gray level image thresholding and quantization based on the entropy maximization,2008 5th International Multi-Conference on Systems, Signals and Devices,Amman, Jordan

Résumé -Dans cet article, la technique de la corrélation acoustique est utilisée comme méthode de détection de fuite d'eau sur les réseaux de distribution. Elle a été implémentée sur deux microordinateurs (P3 et P4) et le processeur de signal TMS320C6201. La fuite d'eau a été simulée par un signal aléatoire se propageant dans les deux sens sur la conduite donnant naissance à deux signaux décalés dans le temps. L'algorithme implémenté est ainsi testé avec ces deux signaux. La fonction corrélation obtenue nous a permis de localiser la fuite à travers le pic de la corrélation obtenue. Des tests de simulation ont par la suite confirmé le bon fonctionnement du système élaboré à l'aide d'exemples de signaux ayant un nombre d'échantillons variant de 64 à 1024. Enfin une comparaison en terme de temps de calcul entre le DSP et les PC confirme la supériorité du DSP.

Citation

Miloud BENTOUMI , ,(2007), Implémentation en Temps Réel d'un Algorithme de Détection de Fuite d'Eau des Réseaux de Distribution sur le Processeur TMS320C6201 en Utilisant la Corrélation Acoustique,4th International Conference on Computer Integrated Manufacturing CIP’2007,Sétif, Algeria

Dans cet article, la technique de la corrélation acoustique est utilisée comme méthode de détection de fuite d'eau sur les réseaux de distribution. Elle a été implémentée sur deux microordinateurs (P3 et P4) et le processeur de signal TMS320C6201. La fuite d'eau a été simulée par un signal aléatoire se propageant dans les deux sens sur la conduite donnant naissance à deux signaux décalés dans le temps. L'algorithme implémenté est ainsi testé avec ces deux signaux. La fonction corrélation obtenue nous a permis de localiser la fuite à travers le pic de la corrélation obtenue. Des tests de simulation ont par la suite confirmé le bon fonctionnement du système élaboré à l'aide d'exemples de signaux ayant un nombre d'échantillons variant de 64 à 1024. Enfin une comparaison en terme de temps de calcul entre le DSP et les PC confirme la supériorité du DSP

Citation

Miloud BENTOUMI , ,(2007), Intégration des composants modernes de traitement des signaux dans des systèmes de détection de fuites d'eau des réseaux de distribution,JSS"07,Guelma