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Estimator of local solar irradiation based on a PV model 基于PV模型的局部太阳辐照估计
2015 International Conference on Electrical and Information Technologies (ICEIT) Pub Date : 2015-03-25 DOI: 10.1109/EITECH.2015.7162934
L. El Bahir, Touria Hassboun, Youness Aite Driss, M. El Adnani
{"title":"Estimator of local solar irradiation based on a PV model","authors":"L. El Bahir, Touria Hassboun, Youness Aite Driss, M. El Adnani","doi":"10.1109/EITECH.2015.7162934","DOIUrl":"https://doi.org/10.1109/EITECH.2015.7162934","url":null,"abstract":"In this paper, we propose a concept for estimating solar irradiation by measuring the current, the voltage and the temperature of a photovoltaic cell. The estimation of the solar irradiation is obtained by processing these measurements using a mathematical model of a photovoltaic cell, combined with a PI controller. Since the PV cell current is very sensitive to the irradiance level, the principle of the method is to force the photovoltaic model to reproduce the same current as that measured on the cell by applying an appropriate irradiance as input, for measured temperature and voltage. The appropriate irradiance, which is the output of the estimator, is provided by the PI controller in such way that the estimated current by the model follows exactly the measured current. The PI controller also ensures the self-calibration of the photovoltaic reference-cell depending on the temperature changes. The effectiveness of the proposed approach has been validated in simulation and on an experimental platform.","PeriodicalId":405923,"journal":{"name":"2015 International Conference on Electrical and Information Technologies (ICEIT)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120943420","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}
引用次数: 3
Real-time study on the effect of dust accumulation on performance of solar PV panels in Malaysia 马来西亚粉尘堆积对太阳能光伏板性能影响的实时研究
2015 International Conference on Electrical and Information Technologies (ICEIT) Pub Date : 2015-03-25 DOI: 10.1109/EITECH.2015.7162938
S. Sulaiman, F. M. Guangul, Mohamad Nur Hidayat Mat, M. Bou-Rabee
{"title":"Real-time study on the effect of dust accumulation on performance of solar PV panels in Malaysia","authors":"S. Sulaiman, F. M. Guangul, Mohamad Nur Hidayat Mat, M. Bou-Rabee","doi":"10.1109/EITECH.2015.7162938","DOIUrl":"https://doi.org/10.1109/EITECH.2015.7162938","url":null,"abstract":"Solar photovoltaic (PV) systems is a promising method of generating electrical power from renewable energy in Malaysia. However, light obstruction on the solar panel due to dust accumulation can significantly influence the performance and efficiency of the system, and thus can affect the cash flow of the system operators. Despite the problem, only little studies have been conducted on the nature of dust accumulation on solar PV panels. Many of the studies involved imitation of dust for in laboratory tests, which could not assess the actual phenomenon. The main objective of this work was to study the effect of dust accumulation on the performance of solar PV panel in Malaysia. This work would enable appropriate scheduling for cleaning of the panels. The study was conducted on real-time basis on a building's roof. Measurements of irradiation, power output and the corresponding mass of dust collected were performed on hourly, daily, weekly and monthly basis. It was found from the study that the system's performance could drop by about 6% annually. On the maintenance aspect, in order to sustain economical operation, the cleaning interval should be every two months for industrial-scale systems that produce a minimum of 100 MWh/day. The interval would be shorter (i.e. one month) for smaller systems (residential).","PeriodicalId":405923,"journal":{"name":"2015 International Conference on Electrical and Information Technologies (ICEIT)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121369172","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}
引用次数: 25
The migration of the university IT infrastructure toward a secure IaaS Cloud 大学IT基础设施向安全的IaaS云迁移
2015 International Conference on Electrical and Information Technologies (ICEIT) Pub Date : 2015-03-25 DOI: 10.1109/EITECH.2015.7162931
Id-hammad Mohamed, Afdel Karim, Asimi Ahmed
{"title":"The migration of the university IT infrastructure toward a secure IaaS Cloud","authors":"Id-hammad Mohamed, Afdel Karim, Asimi Ahmed","doi":"10.1109/EITECH.2015.7162931","DOIUrl":"https://doi.org/10.1109/EITECH.2015.7162931","url":null,"abstract":"The appealing features of Cloud computing have been fueling its integration in many sectors; economy, industry and education. Thus, it become widely used for personal services and for entertainment. Since the arrivals of this paradigm and the providing of services through Internet, information technology live a radical shift in its adoption. The financial benefits and the informatics features of Cloud Computing makes it a necessity to maintain the development of many sectors, as well as education. However, its security weaknesses are the major barrier for its adoption. Over the years, the IT and financial needs of the university keep speedily growing with the increasing number of students. To overcome its requirements, university is called to adopt the Cloud Computing technologies. We propose in this paper a design of a private IaaS Cloud adopted for the university IT infrastructure. Also we propose two solutions to improve its security; especially the isolation of data in the IaaS Cloud, and the isolation of networks within the university by adopting the Tree-Rule Firewall approach.","PeriodicalId":405923,"journal":{"name":"2015 International Conference on Electrical and Information Technologies (ICEIT)","volume":"145 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127488369","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}
引用次数: 2
A new IT Governance architecture based on multi agents system to support project management 一种新的基于多代理系统的IT治理体系结构来支持项目管理
2015 International Conference on Electrical and Information Technologies (ICEIT) Pub Date : 2015-03-25 DOI: 10.1109/EITECH.2015.7162957
S. Elhasnaoui, H. Medromi, A. Chakir, A. Sayouti
{"title":"A new IT Governance architecture based on multi agents system to support project management","authors":"S. Elhasnaoui, H. Medromi, A. Chakir, A. Sayouti","doi":"10.1109/EITECH.2015.7162957","DOIUrl":"https://doi.org/10.1109/EITECH.2015.7162957","url":null,"abstract":"This paper presents a multi-agents architecture which facilitates the execution of projects management from the major IT governance framework: COBIT5, to optimize the construction of a distributed system. This architecture proposes a new and easier method to develop a distributed multi agents system, where agents involved in this system can communicate in a distributed way thanks to functionalities offered by the system. It gives finally an overview of implementation of the proposed solution.","PeriodicalId":405923,"journal":{"name":"2015 International Conference on Electrical and Information Technologies (ICEIT)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121635923","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}
引用次数: 2
Flexible Microstrip CPW sloted antenna for breast cancer detection 用于乳腺癌检测的柔性微带CPW槽天线
2015 International Conference on Electrical and Information Technologies (ICEIT) Pub Date : 2015-03-25 DOI: 10.1109/EITECH.2015.7162971
A. Afyf, L. Bellarbi, A. Errachid, M. Adel Sennouni
{"title":"Flexible Microstrip CPW sloted antenna for breast cancer detection","authors":"A. Afyf, L. Bellarbi, A. Errachid, M. Adel Sennouni","doi":"10.1109/EITECH.2015.7162971","DOIUrl":"https://doi.org/10.1109/EITECH.2015.7162971","url":null,"abstract":"This paper presents a Flexible Microstrip CPW antenna that can be placed in contact with the human skin. Unlike previous flexible antennas, this antenna offers a very thin thickness (0.125mm) and small dimensions; 15mm×20 mm, that assure an easy integration into systems. A specific application of the antenna in microwave thermography in S-Band [2-4] GHz for breast cancer detection is considered. The developed design provides a bandwidth of 550MHz around 3GHz with a total gain of about 1dB. The antenna prototype has been built and carried out using CST MiCSTcrowave Studio software.","PeriodicalId":405923,"journal":{"name":"2015 International Conference on Electrical and Information Technologies (ICEIT)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116696024","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}
引用次数: 12
Arrhythmia ECG signal analysis using non parametric time-frequency technique 心律失常心电信号的非参数时频分析
2015 International Conference on Electrical and Information Technologies (ICEIT) Pub Date : 2015-03-25 DOI: 10.1109/EITECH.2015.7162958
Elmehdi Benmalek, Jamal Elmhamdi
{"title":"Arrhythmia ECG signal analysis using non parametric time-frequency technique","authors":"Elmehdi Benmalek, Jamal Elmhamdi","doi":"10.1109/EITECH.2015.7162958","DOIUrl":"https://doi.org/10.1109/EITECH.2015.7162958","url":null,"abstract":"In this paper a methodological approach for Nonparametric time-frequency analysis for multicomponent biomedical., the use of time-frequency analysis can be very useful Due to the nonstationary, multicomponent nature of the biomedical ECG signal. We applied Short time fourier transform for analyzing a different ECG signal. The results showed that time-frequency technique gives a good performance to analyse the arrhythmia cardiac.","PeriodicalId":405923,"journal":{"name":"2015 International Conference on Electrical and Information Technologies (ICEIT)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127991249","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}
引用次数: 8
Energy consumption in wireless sensor networks for network coding structure and ARQ protocol 基于网络编码结构和ARQ协议的无线传感器网络能量消耗
2015 International Conference on Electrical and Information Technologies (ICEIT) Pub Date : 2015-03-25 DOI: 10.1109/EITECH.2015.7162963
Nabih Alaoui, J. Cances, V. Meghdadi
{"title":"Energy consumption in wireless sensor networks for network coding structure and ARQ protocol","authors":"Nabih Alaoui, J. Cances, V. Meghdadi","doi":"10.1109/EITECH.2015.7162963","DOIUrl":"https://doi.org/10.1109/EITECH.2015.7162963","url":null,"abstract":"Maximizing the lifetime of sensor networks is a major challenge. In a sensor network, the nodes communicate with each other to pass the information to a data sink. These nodes have limited energy resource, and to increase the lifetime of the network, it is necessary to design communication protocols which aim at reducing the consumed power. Several advanced communication protocols for sensor networks have been already proposed in order to optimize system performance using the BER criterion. We can classify them mainly in two categories: those which are based on network coding by inserting relays between sensors and destination, and those which use ARQ protocols. In this paper we compare these different solutions using a new criterion: the consumed power. The goal is to obtain a conclusion on the judicious choice of the protocol according to the range of SNR's in a context of small network (we consider the BAN context for example). The simulation results show that above a given threshold SNR ARQ protocols outperform network coding solution and we are able to accurately predict this threshold value. Furthermore, we proposed a new transmission protocol named HCVD (Horizontal Correction Vertical Detection) protocol, which is a new protocol combining network coding and ARQ protocol and which exhibits the best tradeoff BER performances/consumed power.","PeriodicalId":405923,"journal":{"name":"2015 International Conference on Electrical and Information Technologies (ICEIT)","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129458238","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}
引用次数: 9
Mobile robot: Simultaneous localization and mapping of unknown indoor environment 移动机器人:对未知室内环境的同步定位和绘图
2015 International Conference on Electrical and Information Technologies (ICEIT) Pub Date : 2015-03-25 DOI: 10.1109/EITECH.2015.7162945
M. Emharraf, M. Rahmoun, M. Saber, M. Azizi
{"title":"Mobile robot: Simultaneous localization and mapping of unknown indoor environment","authors":"M. Emharraf, M. Rahmoun, M. Saber, M. Azizi","doi":"10.1109/EITECH.2015.7162945","DOIUrl":"https://doi.org/10.1109/EITECH.2015.7162945","url":null,"abstract":"This paper presents an approach for unknown indoor environment exploration using a simultaneous localization and mapping system. The approach addresses the problem of unknown indoor environments exploration, based on robot mobile moving and sonar scanning. The measurements given by the localization system (odometry for the test system), update for the robot self-localization. The map building process maintaining two grid maps: (1) map grid models the environment occupancy (OM), (2) map grid memorize the robot trajectory(TM). The use of two grid maps provides an efficacy description and use of the environment information over time. Results in simulation and real robots experiments using random exploration show the fusibility of our approach.","PeriodicalId":405923,"journal":{"name":"2015 International Conference on Electrical and Information Technologies (ICEIT)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133089342","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}
引用次数: 1
New PI stabilization of first-order congestion control of active queue management routers 主动队列管理路由器一阶拥塞控制的新PI镇定
2015 International Conference on Electrical and Information Technologies (ICEIT) Pub Date : 2015-03-25 DOI: 10.1109/EITECH.2015.7162961
Samira Chebli, A. Elakkary, N. Sefiani, N. Elalami
{"title":"New PI stabilization of first-order congestion control of active queue management routers","authors":"Samira Chebli, A. Elakkary, N. Sefiani, N. Elalami","doi":"10.1109/EITECH.2015.7162961","DOIUrl":"https://doi.org/10.1109/EITECH.2015.7162961","url":null,"abstract":"In this paper, we consider the problem of stabilizing network using a new proportional- integral (PI) based congestion controller in active queue management (AQM) router; with appropriate model approximation in the first order delay systems, we seek a stability region of the controller by using the Hermite-Biehler theorem, which is applicable to quasipolynomials.","PeriodicalId":405923,"journal":{"name":"2015 International Conference on Electrical and Information Technologies (ICEIT)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130108822","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}
引用次数: 5
A review of feature extraction techniques for handwritten Arabic text recognition 手写体阿拉伯文本识别的特征提取技术综述
2015 International Conference on Electrical and Information Technologies (ICEIT) Pub Date : 2015-03-25 DOI: 10.1109/EITECH.2015.7162979
Bouchra El qacimy, A. Hammouch, M. A. Kerroum
{"title":"A review of feature extraction techniques for handwritten Arabic text recognition","authors":"Bouchra El qacimy, A. Hammouch, M. A. Kerroum","doi":"10.1109/EITECH.2015.7162979","DOIUrl":"https://doi.org/10.1109/EITECH.2015.7162979","url":null,"abstract":"Research in Arabic handwritten recognition has been of growing interest in the last few decades. This is mainly due to its broad spectrum of applications in different fields such as bank check processing, form data entry, postal mail sorting, automatic processing of old manuscripts, etc. In the literature, numerous techniques have been proposed for feature extraction and applied to various types of images. This work provides a comprehensive review of these methods for off-line handwritten Arabic text recognition. It also presents recognition rates and descriptions of the databases used for the discussed approaches. This paper includes background on the field, discussion of feature extraction methods, and future research directions.","PeriodicalId":405923,"journal":{"name":"2015 International Conference on Electrical and Information Technologies (ICEIT)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130457099","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}
引用次数: 22
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