Pub Date : 2016-12-01DOI: 10.1109/SETIT.2016.7939914
M. Attalah, T. Laroussi, Aladdine Aouane, Ali Mehanaoui
Passive Bistatic Radars (PBRs) are able to detect and track objects using reflections from foreign sources such as broadcast and/or radio communication stations. Direct path and Multipath Interference (DPI and MPI) are one of the major problems encountered in PBR systems. They are defined as signals received directly from the transmitter through the surveillance channel; which is only dedicated to receiving targets' echoes. Except their Doppler shifts, DPI, MPI and the received echoes are coherent. To filter these interferences, different adaptive techniques are considered in passive radars' literature. In this paper, we aim to evaluate the well-known adaptive filters as the Normalized Least Mean Square (NLMS) and the Recursive Least Square (RLS) by investigating their impact on the detection of FM (Frequency Modulation) passive radar based on a real source of signals using RTL-SDR (RTL2832U Realtek Software Defined Radio).
{"title":"Adaptive filters for direct path and multipath interference cancellation: Application to FM-RTL-SDR based Passive Bistatic Radar","authors":"M. Attalah, T. Laroussi, Aladdine Aouane, Ali Mehanaoui","doi":"10.1109/SETIT.2016.7939914","DOIUrl":"https://doi.org/10.1109/SETIT.2016.7939914","url":null,"abstract":"Passive Bistatic Radars (PBRs) are able to detect and track objects using reflections from foreign sources such as broadcast and/or radio communication stations. Direct path and Multipath Interference (DPI and MPI) are one of the major problems encountered in PBR systems. They are defined as signals received directly from the transmitter through the surveillance channel; which is only dedicated to receiving targets' echoes. Except their Doppler shifts, DPI, MPI and the received echoes are coherent. To filter these interferences, different adaptive techniques are considered in passive radars' literature. In this paper, we aim to evaluate the well-known adaptive filters as the Normalized Least Mean Square (NLMS) and the Recursive Least Square (RLS) by investigating their impact on the detection of FM (Frequency Modulation) passive radar based on a real source of signals using RTL-SDR (RTL2832U Realtek Software Defined Radio).","PeriodicalId":426951,"journal":{"name":"2016 7th International Conference on Sciences of Electronics, Technologies of Information and Telecommunications (SETIT)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126776325","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-12-01DOI: 10.1109/SETIT.2016.7939860
Manel Ben Salem, K. Ettabaâ, M. Bouhlel
Anomaly detection in hyperspectral images aims at detecting small size objects of unknown spectra. The major problem with anomaly detection is the absence of prior knowledge. Consequently, the extraction of true anomalies from the background and noise is a challenging task. In fact, the image scene already contains the background, noises and anomalous pixels and even in presence of prior knowledge, the differentiation between these contents is often challenging and can lead to a high false alarm rate. In this paper, a new approach for anomaly detection is proposed. The approach aims at generating knowledge about the scene before anomaly detection. This knowledge is derived from a semi-supervised SVM classification based on the betweenness centrality clustering of the spatial and spectral graph of the image. Anomaly detection is performed then, based on the Mahalanobis distance between different classes of the image. Our experimental results show improvement in the detection rate compared to the benchmark anomaly detectors.
{"title":"Anomaly detection in hyperspectral images based spatial spectral classification","authors":"Manel Ben Salem, K. Ettabaâ, M. Bouhlel","doi":"10.1109/SETIT.2016.7939860","DOIUrl":"https://doi.org/10.1109/SETIT.2016.7939860","url":null,"abstract":"Anomaly detection in hyperspectral images aims at detecting small size objects of unknown spectra. The major problem with anomaly detection is the absence of prior knowledge. Consequently, the extraction of true anomalies from the background and noise is a challenging task. In fact, the image scene already contains the background, noises and anomalous pixels and even in presence of prior knowledge, the differentiation between these contents is often challenging and can lead to a high false alarm rate. In this paper, a new approach for anomaly detection is proposed. The approach aims at generating knowledge about the scene before anomaly detection. This knowledge is derived from a semi-supervised SVM classification based on the betweenness centrality clustering of the spatial and spectral graph of the image. Anomaly detection is performed then, based on the Mahalanobis distance between different classes of the image. Our experimental results show improvement in the detection rate compared to the benchmark anomaly detectors.","PeriodicalId":426951,"journal":{"name":"2016 7th International Conference on Sciences of Electronics, Technologies of Information and Telecommunications (SETIT)","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127725996","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-12-01DOI: 10.1109/SETIT.2016.7939890
F. Ouzayd, Manal Tamir, Zied Ben Rhouma
Face increasing demands, the Moroccan hospitals need currently to understand the complexity of the hospitable system at several levels and one of them is medicine drugs supply chain. The medicine drug is a strategic element in the medical policy. Considering the importance of this product in hospital, we propose decision-making models that allow help pharmaceutical staff and we take as example a hospital in Morocco which will allow revise an inventory management system.
{"title":"Toward making decision model of drugs supply chain: Case of Moroccan university hospital center","authors":"F. Ouzayd, Manal Tamir, Zied Ben Rhouma","doi":"10.1109/SETIT.2016.7939890","DOIUrl":"https://doi.org/10.1109/SETIT.2016.7939890","url":null,"abstract":"Face increasing demands, the Moroccan hospitals need currently to understand the complexity of the hospitable system at several levels and one of them is medicine drugs supply chain. The medicine drug is a strategic element in the medical policy. Considering the importance of this product in hospital, we propose decision-making models that allow help pharmaceutical staff and we take as example a hospital in Morocco which will allow revise an inventory management system.","PeriodicalId":426951,"journal":{"name":"2016 7th International Conference on Sciences of Electronics, Technologies of Information and Telecommunications (SETIT)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134491432","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-12-01DOI: 10.1109/SETIT.2016.7939872
M. Trabelsi, M. Mansouri, H. Abu-Rub, H. Nounou
In high performance grid-connected PV systems, deploying a power electronics converter capable of operating effectively in the presence of any single point of failure is essential. One of the main advantages of Cascaded H-Bridge (CHB) Multilevel Inverter (MLI) is the modularity. Moreover, the association of a quasi Z-Source (qZS) network with a CHB MLI was deeply investigated in the last decade for grid-tied PV systems. This structure is considered as a single-stage DC/AC topology having the capability of boosting the DC input voltage with high-quality multilevel AC voltage, independent DC-link voltage compensation, and control of the power transfer with high reliability. Thus, this topology suits well fault-tolerant PV systems due to the modularity of the CHB inverter and the flexibility of the qZS network in controlling the DC-link voltage even under faults. However, the effective operation of the MLI needs a continuous monitoring to detect abnormalities and faults to provide more effective and less interrupted energy supplies. The Exponentially Weighted Moving Average (EWMA) method has been proved to be among the most effective univariate techniques to detect small and moderate faults. Thus, this paper presents an effective EWMA based fault detection technique for a 3-phase 3-cell qZS-CHB MLI. Simulation results show the effectiveness of the proposed technique in detecting faults compared to the conventional Generalized Likelihood Ratio Test (GLRT) technique.
{"title":"An effective fault detection technique for a quasi-Z-Source based grid-tied PV system","authors":"M. Trabelsi, M. Mansouri, H. Abu-Rub, H. Nounou","doi":"10.1109/SETIT.2016.7939872","DOIUrl":"https://doi.org/10.1109/SETIT.2016.7939872","url":null,"abstract":"In high performance grid-connected PV systems, deploying a power electronics converter capable of operating effectively in the presence of any single point of failure is essential. One of the main advantages of Cascaded H-Bridge (CHB) Multilevel Inverter (MLI) is the modularity. Moreover, the association of a quasi Z-Source (qZS) network with a CHB MLI was deeply investigated in the last decade for grid-tied PV systems. This structure is considered as a single-stage DC/AC topology having the capability of boosting the DC input voltage with high-quality multilevel AC voltage, independent DC-link voltage compensation, and control of the power transfer with high reliability. Thus, this topology suits well fault-tolerant PV systems due to the modularity of the CHB inverter and the flexibility of the qZS network in controlling the DC-link voltage even under faults. However, the effective operation of the MLI needs a continuous monitoring to detect abnormalities and faults to provide more effective and less interrupted energy supplies. The Exponentially Weighted Moving Average (EWMA) method has been proved to be among the most effective univariate techniques to detect small and moderate faults. Thus, this paper presents an effective EWMA based fault detection technique for a 3-phase 3-cell qZS-CHB MLI. Simulation results show the effectiveness of the proposed technique in detecting faults compared to the conventional Generalized Likelihood Ratio Test (GLRT) technique.","PeriodicalId":426951,"journal":{"name":"2016 7th International Conference on Sciences of Electronics, Technologies of Information and Telecommunications (SETIT)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130102278","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-12-01DOI: 10.1109/SETIT.2016.7939878
Nadia Benati, Halima Bahi
This paper presents a system for spoken term detection in a continuous speech stream. Spoken terms are predefined through a set of acoustic examples provided by the users. Spoken term detection proceeds in two steps: speech segmentation and term verification. We suggest the use of an acoustic-based algorithm for the segmentation which exploits acoustic particularities of the speech stream to detect word frontiers. From the segmentation stage a collection of utterances are delimited, and they are aligned with the spoken term acoustic representation. Tests were conducted on an Arabic corpus using spectral features of the signal. A correct detection rate of about 100% was reached with a false alarm of 20%.
{"title":"Spoken term detection based on acoustic speech segmentation","authors":"Nadia Benati, Halima Bahi","doi":"10.1109/SETIT.2016.7939878","DOIUrl":"https://doi.org/10.1109/SETIT.2016.7939878","url":null,"abstract":"This paper presents a system for spoken term detection in a continuous speech stream. Spoken terms are predefined through a set of acoustic examples provided by the users. Spoken term detection proceeds in two steps: speech segmentation and term verification. We suggest the use of an acoustic-based algorithm for the segmentation which exploits acoustic particularities of the speech stream to detect word frontiers. From the segmentation stage a collection of utterances are delimited, and they are aligned with the spoken term acoustic representation. Tests were conducted on an Arabic corpus using spectral features of the signal. A correct detection rate of about 100% was reached with a false alarm of 20%.","PeriodicalId":426951,"journal":{"name":"2016 7th International Conference on Sciences of Electronics, Technologies of Information and Telecommunications (SETIT)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130454416","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-12-01DOI: 10.1109/SETIT.2016.7939839
Abdelhamid Aitoumeri, Abdelmalik Bouyahyaoui, M. Alami, Karim Zouaq
this paper presents a low-supply voltage LC Voltage Controlled Oscillator (VCO) which operates at 1.6 GHz, the latter is designed using TSMC 130 nm CMOS RF Technology. The varactor configuration used in this work is A-MOS. This VCO design achieves −123.201 dBc/Hz and −132.57 dBc/Hz at 1 MHz and 3 MHz offset frequencies, respectively. The VCO consumes 1.62 mW from 1.2 V supply. The calculated Figure-of-Merit (FoM) of the proposed VCO reaches −185.1 dBc/Hz at 1MHz offset.
{"title":"A low power low phase noise 1.6 GHz LC-VCO in 130 nm CMOS technology","authors":"Abdelhamid Aitoumeri, Abdelmalik Bouyahyaoui, M. Alami, Karim Zouaq","doi":"10.1109/SETIT.2016.7939839","DOIUrl":"https://doi.org/10.1109/SETIT.2016.7939839","url":null,"abstract":"this paper presents a low-supply voltage LC Voltage Controlled Oscillator (VCO) which operates at 1.6 GHz, the latter is designed using TSMC 130 nm CMOS RF Technology. The varactor configuration used in this work is A-MOS. This VCO design achieves −123.201 dBc/Hz and −132.57 dBc/Hz at 1 MHz and 3 MHz offset frequencies, respectively. The VCO consumes 1.62 mW from 1.2 V supply. The calculated Figure-of-Merit (FoM) of the proposed VCO reaches −185.1 dBc/Hz at 1MHz offset.","PeriodicalId":426951,"journal":{"name":"2016 7th International Conference on Sciences of Electronics, Technologies of Information and Telecommunications (SETIT)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123229893","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-12-01DOI: 10.1109/SETIT.2016.7939921
Zeineb Rayouf, C. Ghorbel, N. Benhadj Braiek
Hammerstein typed nonlinear models can be used to represent nonlinear systems in the areas of chemical and biological processes, signal processing, etc.
Hammerstein型非线性模型可用于表示化学和生物过程、信号处理等领域的非线性系统。
{"title":"An extended identification methods for multivariable Hammerstein system","authors":"Zeineb Rayouf, C. Ghorbel, N. Benhadj Braiek","doi":"10.1109/SETIT.2016.7939921","DOIUrl":"https://doi.org/10.1109/SETIT.2016.7939921","url":null,"abstract":"Hammerstein typed nonlinear models can be used to represent nonlinear systems in the areas of chemical and biological processes, signal processing, etc.","PeriodicalId":426951,"journal":{"name":"2016 7th International Conference on Sciences of Electronics, Technologies of Information and Telecommunications (SETIT)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127748495","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-12-01DOI: 10.1109/SETIT.2016.7939838
Noura Abdaoui, I. Khalifa, S. Faiz
In this paper, we propose an approach combining behavioral and targeting techniques for a better reaction of the customer with a star product using a personalized ubiquitous advertisement. We use the clustering to study the customers behavior. In order to validate our approach, we develop a prototype to send a personalized advertisement to loyal customers in an ubiquitous environment. Each target receives the advertising according his degree of loyalty obtained by the behavioral analysis.
{"title":"Sending a personalized advertisement to loyal customers in the ubiquitous environment","authors":"Noura Abdaoui, I. Khalifa, S. Faiz","doi":"10.1109/SETIT.2016.7939838","DOIUrl":"https://doi.org/10.1109/SETIT.2016.7939838","url":null,"abstract":"In this paper, we propose an approach combining behavioral and targeting techniques for a better reaction of the customer with a star product using a personalized ubiquitous advertisement. We use the clustering to study the customers behavior. In order to validate our approach, we develop a prototype to send a personalized advertisement to loyal customers in an ubiquitous environment. Each target receives the advertising according his degree of loyalty obtained by the behavioral analysis.","PeriodicalId":426951,"journal":{"name":"2016 7th International Conference on Sciences of Electronics, Technologies of Information and Telecommunications (SETIT)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121164635","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-12-01DOI: 10.1109/SETIT.2016.7939836
Jawadi Samir, Chérif Adnen, B. Sami, V. Balas
The design of the power source in the Fuel Cell Hybrid Electric Vehicle (FCHEV) is an attractive area in transport applications. The FCHEV combines a Proton Exchange Membrane Fuel Cell (PEMFC) and an Ultra-Battery (UB). A suitable UB is deployed, in FCHEV, for a backup system using efficient energy management. The UB aims to guarantee a rapid transfer of power during transient responses and a permanent power during the absence of hydrogen. To ensure the required power, EMSs have been proposed. An efficiency band UB Partial Load State (PSoCUB) is used to evaluate the proposed design. Therefore, the reliability of our model is tested and evaluated through different results using Matlab / Simulink environment.
{"title":"An efficient design of Fuel Cell Electric Vehicle with Ultra-Battery separated by an energy management system","authors":"Jawadi Samir, Chérif Adnen, B. Sami, V. Balas","doi":"10.1109/SETIT.2016.7939836","DOIUrl":"https://doi.org/10.1109/SETIT.2016.7939836","url":null,"abstract":"The design of the power source in the Fuel Cell Hybrid Electric Vehicle (FCHEV) is an attractive area in transport applications. The FCHEV combines a Proton Exchange Membrane Fuel Cell (PEMFC) and an Ultra-Battery (UB). A suitable UB is deployed, in FCHEV, for a backup system using efficient energy management. The UB aims to guarantee a rapid transfer of power during transient responses and a permanent power during the absence of hydrogen. To ensure the required power, EMSs have been proposed. An efficiency band UB Partial Load State (PSoCUB) is used to evaluate the proposed design. Therefore, the reliability of our model is tested and evaluated through different results using Matlab / Simulink environment.","PeriodicalId":426951,"journal":{"name":"2016 7th International Conference on Sciences of Electronics, Technologies of Information and Telecommunications (SETIT)","volume":"119 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122559006","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-12-01DOI: 10.1109/SETIT.2016.7939855
H. Jmii, A. Meddeb, S. Chebbi
This paper addresses the application of an efficient and an economical method in term of enhancing voltage stability. We propose to combine the performances of SVC (Static VAR Compensator) and TCSC (Thyristor Controlled Series Compensator) to reach those of UPFC (Unified Power Flow Controller), the most pricey and polyvalent FACTS device (Flexible AC Transmission Systems). In this way, we assure stable power system operation while avoiding costly investments. For the placement of the proposed FACTS, we opt for applying a simple heuristic method. This would provide firm bases for the comparison. The investigation of the proposed idea and the comparative studies are performed in the IEEE 14-Bus system under EUROSTAG environment.
{"title":"An approach for improving voltage stability by combination of SVC and TCSC","authors":"H. Jmii, A. Meddeb, S. Chebbi","doi":"10.1109/SETIT.2016.7939855","DOIUrl":"https://doi.org/10.1109/SETIT.2016.7939855","url":null,"abstract":"This paper addresses the application of an efficient and an economical method in term of enhancing voltage stability. We propose to combine the performances of SVC (Static VAR Compensator) and TCSC (Thyristor Controlled Series Compensator) to reach those of UPFC (Unified Power Flow Controller), the most pricey and polyvalent FACTS device (Flexible AC Transmission Systems). In this way, we assure stable power system operation while avoiding costly investments. For the placement of the proposed FACTS, we opt for applying a simple heuristic method. This would provide firm bases for the comparison. The investigation of the proposed idea and the comparative studies are performed in the IEEE 14-Bus system under EUROSTAG environment.","PeriodicalId":426951,"journal":{"name":"2016 7th International Conference on Sciences of Electronics, Technologies of Information and Telecommunications (SETIT)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124304907","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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