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Parametric identification by minimizing the squared residuals (Application to a photovoltaic cell) 残差平方最小化的参数辨识方法(在光伏电池中的应用)
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529637
B. Oukarfi, F. Dkhichi, A. Fakkar
{"title":"Parametric identification by minimizing the squared residuals (Application to a photovoltaic cell)","authors":"B. Oukarfi, F. Dkhichi, A. Fakkar","doi":"10.1109/IRSEC.2013.6529637","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529637","url":null,"abstract":"In this study we develop an algorithm of nonlinear programming to identify the structural parameters of a photovoltaic cell. This algorithm adjusts at best the parameters of the cell's electrical model to the experimental measurements. Thus, to achieve this optimization, we minimize a sum of squared residuals by Gauss Newton's Method which presents an interesting rate of convergence but with sensitivity to the initial conditions. To overcome this issue, we apply, beforehand, the Least Squares Method to the two distinct parts (linear and not linear) of the IPV=f(VPV) characteristic. This first phase allows us to improve the convergence of the algorithm but not its rate. Regarding the last issue we suggest a modified version of Gauss Newton's algorithm.","PeriodicalId":130577,"journal":{"name":"2013 International Renewable and Sustainable Energy Conference (IRSEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130791537","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
Homeostatic control in grid-connected micro-generation power systems: A means to adapt to changing scenarios while preserving energy sustainability 并网微型发电系统的稳态控制:一种适应不断变化的环境同时保持能源可持续性的方法
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529647
F. Yanine, F. Córdova
{"title":"Homeostatic control in grid-connected micro-generation power systems: A means to adapt to changing scenarios while preserving energy sustainability","authors":"F. Yanine, F. Córdova","doi":"10.1109/IRSEC.2013.6529647","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529647","url":null,"abstract":"We explore supervisory control strategies for the operation of grid-connected hybrid energy systems (HES) as complex adaptive systems. We do this not from a demand response management standpoint, like most of the literature does, but from a power generation and supply viewpoint, by means of homeostatic regulation and control with an aim for sustainable micro-generation systems for small-size communities. Homeostatic control (HC) is a term introduced by Fred C. Schweppe and his group of collaborators at MIT back in 1979 and early 1980s and stems from the highly visionary work done by them. We build on this concept and take a new approach, presenting our model and simulation results, which show clearly how HC and regulation of energy intake and expenditure by consumers, along with the presence of energy storage and compensatory mechanisms in the microgrid can provide much insight on how to make these systems more efficient, sustainable and resilient, particularly when integrated to the mains. Simulation provides a good fit to the data, and the response of the system to changing supply in different scenarios was characterized by its consistency and logical framework, supporting the model employed.","PeriodicalId":130577,"journal":{"name":"2013 International Renewable and Sustainable Energy Conference (IRSEC)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130650678","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: 17
Towards an optimal assignment and scheduling for charging electric vehicles 研究电动汽车充电的优化分配与调度问题
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529691
Azizbek Ruzmetov, A. Nait-Sidi-Moh, M. Bakhouya, J. Gaber
{"title":"Towards an optimal assignment and scheduling for charging electric vehicles","authors":"Azizbek Ruzmetov, A. Nait-Sidi-Moh, M. Bakhouya, J. Gaber","doi":"10.1109/IRSEC.2013.6529691","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529691","url":null,"abstract":"In recent years, very great research effort have been made to further develop the power engine of electric vehicles and batteries. However, little attention has been paid so far to the fact that charging process for electric vehicles is completely different from refueling process of vehicles that are powered by conventional power engines. One of the major obstacles for the large deployment of electric vehicles is the uncertainty of drivers to get a suitable and vacant place at a charging station. In this paper, an integrated platform is introduced with the main objective to increase the synergy between different system entities, such as energy providers, charging stations and electric vehicles. The platform architecture is based on communications technologies, Web services and geo-positioning techniques. An optimization approach for optimal scheduling and assignment of electric vehicles to charging stations is proposed. Preliminary results are presented to illustrate this approach and show the usefulness of this integrated solution.","PeriodicalId":130577,"journal":{"name":"2013 International Renewable and Sustainable Energy Conference (IRSEC)","volume":"102 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133787255","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: 23
Wet processes for the preparation of CZTS thin films 制备CZTS薄膜的湿法工艺
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529720
L. Alahyane, H. Kirou, E. E. El Hamri, A. Elfanaoui, E. Ihalane, K. Bouabid, L. Laânab, A. Ihlal
{"title":"Wet processes for the preparation of CZTS thin films","authors":"L. Alahyane, H. Kirou, E. E. El Hamri, A. Elfanaoui, E. Ihalane, K. Bouabid, L. Laânab, A. Ihlal","doi":"10.1109/IRSEC.2013.6529720","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529720","url":null,"abstract":"In this study we present our first results concerning the preparation of CZTS thin films using simple and cost effective wet processes on Ti, ITO coated glass and soda lime glass. Cyclic voltammetry and chronoamperometry were used to investigate the mechanism deposition of the films. Structural and optical properties of the deposited films were investigated. The main characteristics of the films were found to depend strongly on deposition parameters and post annealing treatments.","PeriodicalId":130577,"journal":{"name":"2013 International Renewable and Sustainable Energy Conference (IRSEC)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130999528","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: 0
Optimization photovoltaic pumping system based BLDC using fuzzy logic MPPT control 基于模糊逻辑MPPT控制的无刷直流优化光伏抽水系统
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529718
M. Ouada, M. S. Meridjet, N. Talbi
{"title":"Optimization photovoltaic pumping system based BLDC using fuzzy logic MPPT control","authors":"M. Ouada, M. S. Meridjet, N. Talbi","doi":"10.1109/IRSEC.2013.6529718","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529718","url":null,"abstract":"In this paper, we present an approach for modeling, control and optimization of a photovoltaic pumping system which contains a pv generator, DC-DC boost converter, MPPT controller, DC-AC inverter and a BLDC motor. We use an intelligent control method for searching the maximum power point (MPP). This method uses a fuzzy logic controller applied to a drive a DC-DC converter to an optimal operating point using PV panel's measured variables. The PWM signals are generated by the interaction of the motor speed closed-loop system and the current hysteresis. The motor reference current is compared with the motor speed feedback signal. The considered model has been implemented in Matlab/simulink environment. The results show the effectiveness of the proposed method to increase the performance of the water pumping system.","PeriodicalId":130577,"journal":{"name":"2013 International Renewable and Sustainable Energy Conference (IRSEC)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114552304","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: 59
Aggregator based ICT architecture for electric vehicle Fleet operators 基于聚合器的电动汽车车队运营商ICT体系结构
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529680
F. S. Ahmed, S. Laghrouche, F. Lassabe
{"title":"Aggregator based ICT architecture for electric vehicle Fleet operators","authors":"F. S. Ahmed, S. Laghrouche, F. Lassabe","doi":"10.1109/IRSEC.2013.6529680","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529680","url":null,"abstract":"The success of an electric vehicle Fleet operation, engaged in vehicle-to-grid (V2G) depends largely upon the reliable ICT technology that guarantees deterministic data transfer between the fleet aggregator, vehicles and other actors. In this paper, we present a prototype ICT architecture and simulator for Fleet based V2G operation. The prototype is based on IEC standards and has been developed to optimize messaging and information exchange such that communication delays are minimized and bottlenecks are avoided. The presented prototype can be used to develop a VGT architecture for EV Fleet operators, on any scale.","PeriodicalId":130577,"journal":{"name":"2013 International Renewable and Sustainable Energy Conference (IRSEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115407658","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
Analysis by Differential Scanning Calorimetry of concrete modified with microencapsulated phase change materials 微囊化相变材料改性混凝土的差示扫描量热分析
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529719
A. Eddhahak-Ouni, S. Drissi, J. Colin, J. Néji
{"title":"Analysis by Differential Scanning Calorimetry of concrete modified with microencapsulated phase change materials","authors":"A. Eddhahak-Ouni, S. Drissi, J. Colin, J. Néji","doi":"10.1109/IRSEC.2013.6529719","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529719","url":null,"abstract":"In this work, a thermal experimental investigation by Differential Scanning Calorimetry (DSC) of a Portland cement concrete modified with microencapsulated phase change materials labeled “PCM-concrete” is presented. First, the DSC technique was used for the thermal characterization of the micro-PCMs considered in this study. Accordingly, several thermal properties were determined such as the melting and freezing temperatures, the specific heat capacity and the change phase enthalpies. After, concrete mixtures with different PCM amounts were manufactured in laboratory and then the compressive strength was measured. Then, the PCM-concrete thermal performance was studied by DSC. Also, artificial accelerated ageing was performed on the PCM concrete mixtures in order to investigate the PCM stability in the concrete. Next, the thermal properties of the artificial aged PCM-concrete were determined by DSC and compared with the non-aged PCM concrete properties. Finally, the microstructure of the PCM concrete mixtures was analyzed by Scanning Electronic Microscopy (SEM) to check the PCMs state after their incorporation in the concrete. The results highlighted an improvement of the specific heat capacity of the PCM-concrete with the addition of PCMs. A slight loss of the mechanical strength was noted. Also, the thermal storage of PCM-concrete mixtures after the artificial ageing was enhanced with comparison with the reference non-aged one.","PeriodicalId":130577,"journal":{"name":"2013 International Renewable and Sustainable Energy Conference (IRSEC)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122691083","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: 6
Optimal sizing of an autonomous hybrid system 自主混合动力系统的最优尺寸
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529672
F. Z. Kadda, S. Zouggar, M. Elhafyani
{"title":"Optimal sizing of an autonomous hybrid system","authors":"F. Z. Kadda, S. Zouggar, M. Elhafyani","doi":"10.1109/IRSEC.2013.6529672","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529672","url":null,"abstract":"Public awareness of the need to reduce global warming and the significant increase in the prices of conventional energy sources have encouraged many countries to provide new energy policies that promote the renewable energy applications, such renewable energy sources like wind, solar, hydro based energies, etc., which are environmentally friendly and have potential to be more widely used.","PeriodicalId":130577,"journal":{"name":"2013 International Renewable and Sustainable Energy Conference (IRSEC)","volume":"148 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116037897","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: 6
Demand side management algorithms and modeling in smart grids A customer's behavior based study 智能电网中需求侧管理算法与建模——基于客户行为的研究
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529684
E. Et-Tolba, M. Maaroufi, M. Ouassaid
{"title":"Demand side management algorithms and modeling in smart grids A customer's behavior based study","authors":"E. Et-Tolba, M. Maaroufi, M. Ouassaid","doi":"10.1109/IRSEC.2013.6529684","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529684","url":null,"abstract":"This paper presents algorithms and architecture models for a home energy management system. It's based on customers' behavior that is modeled by a decision-making chain, and smart appliances' use for demand side management. The proposed architecture is scalable and extensible to upper levels of smart grid as the development approach used is bottom-up. Once the model is validated for home use, we can go up and apply it for holdings, factories, and micro-grids contexts. Scalability models and strategies are also presented and discussed. Ensuring supply and demand balance at real time is the main problematic of smart grids. The proposed solution meets this objective, because it allows large scale renewable energy resources integration. Hence, it leads to global energy efficiency and demand side management optimization in smart grids.","PeriodicalId":130577,"journal":{"name":"2013 International Renewable and Sustainable Energy Conference (IRSEC)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122013148","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: 34
Energy requirement, fuel comsumption and environmental impact of heating residentiel building - Case study of Fez 供暖住宅的能源需求、燃料消耗和环境影响——以菲斯为例
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529717
R. Idchabani, M. Garoum, A. Cherki, A. Khabbazi
{"title":"Energy requirement, fuel comsumption and environmental impact of heating residentiel building - Case study of Fez","authors":"R. Idchabani, M. Garoum, A. Cherki, A. Khabbazi","doi":"10.1109/IRSEC.2013.6529717","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529717","url":null,"abstract":"The seasonal energy requirements and fuel consumption for heating purposes in the residential buildings in the city of Fez is estimated from the predetermined architectural design and material characteristics of the buildings and the regular meteorological temperature measurements by using the degree-days method. The environmental impact of heating in term of equivalent CO2 emission is also investigated for two sources of energy: liquefied petroleum gas and electricity. As a conclusion, the length of the heating period is average 194 days, and the mean heating degree-days value is found as 1039 besides changing between 895.8 and 1171. The heating energy requirement for the prototype building varies between 132 and 217 kwh/m2 depending on glassing type, glassing area percentage and infiltration rate. In term of kgoe, electricity consumption is 2.6 times greater than that of LPG. By using LPG instead of electricity as a fuel, the emissions of greenhouse gases can be devised by 3.","PeriodicalId":130577,"journal":{"name":"2013 International Renewable and Sustainable Energy Conference (IRSEC)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127649587","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
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