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On the study of an optimal and robust control of the inverted pendulum wind turbine 倒立摆风力发电机的最优鲁棒控制研究
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529662
A. Abdellah, A. Abdelhafid, R. Mostafa
{"title":"On the study of an optimal and robust control of the inverted pendulum wind turbine","authors":"A. Abdellah, A. Abdelhafid, R. Mostafa","doi":"10.1109/IRSEC.2013.6529662","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529662","url":null,"abstract":"The main limitation of the optimal control is the requirement of complete system knowledge, this leads to the high sensitivity to parametric uncertainties and exogenous perturbations. A possible solution to this problem is to introduce a sliding mode control (SMC), well known for its robustness to uncertainties and disturbances, into optimal control whenever the uncertainties are present. This can make optimal control more robust and applicable to real energy systems. Though SMC and optimal control are two control strategies, it is possible integrate them together. In this work, combining (SMC) and linear quadratic regulator (LQR) will be analyzed, designed and applied to the new kind of wind turbine model, the so-called Inverted Pendulum Wind Turbine (IPWT). This new approach would allow to place offshore wind farms in deep water. All simulations are done using Matlab/Simulink.","PeriodicalId":130577,"journal":{"name":"2013 International Renewable and Sustainable Energy Conference (IRSEC)","volume":"20 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":"114414159","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
Feasibility study of a solar power tower in Algerian sites 在阿尔及利亚建设太阳能塔的可行性研究
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529639
A. Aichouba, M. Merzouk, N. Said, N. Merzouk
{"title":"Feasibility study of a solar power tower in Algerian sites","authors":"A. Aichouba, M. Merzouk, N. Said, N. Merzouk","doi":"10.1109/IRSEC.2013.6529639","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529639","url":null,"abstract":"A feasibility study on the establishment of a solar power plant of 10 MWe on various Algerian sites, especially adapted to the climatic conditions of Algeria, is presented. The simulation is conducted on an hourly basis considering the system 'field', and the system 'receiver'. The annual average production and average monthly production was estimated for different selected sites. Yields, annual energy production, and the cost per kWh are evaluated. The results are compared for the purpose of site classification.","PeriodicalId":130577,"journal":{"name":"2013 International Renewable and Sustainable Energy Conference (IRSEC)","volume":"55 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":"114558993","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
Wall shear stress in transient turbulent pipe flow 瞬态湍流管道流动中的壁面剪应力
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529695
H. Zidouh, L. Elmaimouni
{"title":"Wall shear stress in transient turbulent pipe flow","authors":"H. Zidouh, L. Elmaimouni","doi":"10.1109/IRSEC.2013.6529695","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529695","url":null,"abstract":"Experimental measurements of the wall shear stress combined with velocity profiles via the electrochemical technique and Ultrasonic pulsed Doppler Velocimetry, are used to analyze the flow behavior in transient flow caused by a downstream short pipe valve closure. The Reynolds number of the steady flow based on the pipe diameter is Re=121700. The results show that the quasi-steady approach of representing unsteady friction is valid during the initial phase for relatively large decelerations. For higher decelerations, the unsteady wall shear stress is consistently higher than the quasi-steady values obtained from the velocity profiles. An examination of the range of applicability of the instantaneous-acceleration model shows that the empirical coefficient of unsteady friction is closely linked to the deceleration intensity. This study is made possible owing to the repeatability of different valve closures allowing data to be averaged over numerous tests.","PeriodicalId":130577,"journal":{"name":"2013 International Renewable and Sustainable Energy Conference (IRSEC)","volume":"120 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":"117147731","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 pavement energy harvest system 一种新型路面能量收集系统
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529704
F. Duarte, F. Casimiro, D. Correia, R. Mendes, A. Ferreira
{"title":"A new pavement energy harvest system","authors":"F. Duarte, F. Casimiro, D. Correia, R. Mendes, A. Ferreira","doi":"10.1109/IRSEC.2013.6529704","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529704","url":null,"abstract":"At the present time there is a need to change the paradigm in electrical energy generation due to the increasing cost of fossil fuels and their adverse effects on the environment. It has become increasingly evident that the fossil fuels used to generate energy are not unlimited and that their use is harmful to the environment due to the greenhouse effects. This paper describes a new pavement energy harvest system developed in Portugal by the Waydip Company with the collaboration of the Pavement Mechanics Laboratory of the University of Coimbra.","PeriodicalId":130577,"journal":{"name":"2013 International Renewable and Sustainable Energy Conference (IRSEC)","volume":"35 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":"116034926","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
Comparative study of internal and external thermal insulations based on PET waste bottles PET废瓶内外绝热材料的对比研究
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529734
Y. Afkir, H. Darhmaoui, K. Loudiyi, A. Sesbou, S. Dahous
{"title":"Comparative study of internal and external thermal insulations based on PET waste bottles","authors":"Y. Afkir, H. Darhmaoui, K. Loudiyi, A. Sesbou, S. Dahous","doi":"10.1109/IRSEC.2013.6529734","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529734","url":null,"abstract":"We present a comparative study of internal and external thermal insulations in two pilot rural houses in the mountainous cold region of the middle atlas in the Dayet Aoua region, province of Ifrane, Morocco. In both studies we used plastic waste bottles (PET bottles) in cavity walls and roofs. The idea is to increase insulation by reducing convection fluxes in wall cavities using cheap insulating materials. We recorded temperatures in different rooms of each house before and after insulation as well as the ambient temperature outside the houses for a long period of time. Our study shows a significant increase in room temperatures translated in an important reduction of wood burning and better household comfort especially during the cold season.","PeriodicalId":130577,"journal":{"name":"2013 International Renewable and Sustainable Energy Conference (IRSEC)","volume":"31 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":"121969611","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
Comparative study of H-bridge multilevel inverters dedicated to PV 光伏专用h桥多电平逆变器的比较研究
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529668
Abdelaziz, R. E. Bachtiri, A. E. Ghzizal
{"title":"Comparative study of H-bridge multilevel inverters dedicated to PV","authors":"Abdelaziz, R. E. Bachtiri, A. E. Ghzizal","doi":"10.1109/IRSEC.2013.6529668","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529668","url":null,"abstract":"Generally, electrics devices need alternating current. But PV generators provide direct current. So, it is necessary to use inverters. Multilevel inverters seem very suitable for this task. In this paper, we present a comparative study between three multilevel inverters: 3 levels, 5 levels and 15 levels. These inverters have the same topology and are controlled by the same law: Pulse Width Modulation (PWM). Our interest concerns the magnitude and the quality of generated voltage. The 15L multilevel inverter supplied by 36V PV gives a 230V AC voltage. So it's the most suitable for supplying normal electric equipments. Simulation with Matlab/Simulink of the inverters operation shows that: THD is independent of the value of PV voltage; the greater the number of levels is, the less THD becomes.","PeriodicalId":130577,"journal":{"name":"2013 International Renewable and Sustainable Energy Conference (IRSEC)","volume":"48 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":"117204843","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
Development of real time Wind Turbine Emulator based on DC Motor controlled by hysteresis regulator 基于迟滞调节器控制的直流电动机实时风力机仿真器的研制
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529649
S. Kouadria, S. Belfedhal, Y. Meslem, E. Berkouk
{"title":"Development of real time Wind Turbine Emulator based on DC Motor controlled by hysteresis regulator","authors":"S. Kouadria, S. Belfedhal, Y. Meslem, E. Berkouk","doi":"10.1109/IRSEC.2013.6529649","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529649","url":null,"abstract":"In this paper, a Wind Turbine Emulator will be designed, developed and built. During this phase of the project, the experimental implementation of the Wind Turbine Emulator (WTE) for Wind Energy Conversion Systems (WECS) would consist of separately-excited DC motor. The DC motor is controlled by regulator hysteresis. The model of the wind turbine and the control of the DC motor, which emulate the wind turbine, are implemented in MATLAB/Simulink. The developed WTE allows a WECS to be analyzed or reconfigured for design studies without need of real wind turbines. The DC Motor and its control actuate as the WT. The proposed approach was implemented on DS1104 real-time interface card and Matlab/Simulink real-time control programming. The experimental results verify the performance of proposed WTE.","PeriodicalId":130577,"journal":{"name":"2013 International Renewable and Sustainable Energy Conference (IRSEC)","volume":"68 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":"129465043","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
Three-dimensional numerical study of SOFC temperature field: Polarization heat source effect SOFC温度场的三维数值研究:极化热源效应
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529648
S. Saighi, B. Zitouni, Hocine Ben Moussa
{"title":"Three-dimensional numerical study of SOFC temperature field: Polarization heat source effect","authors":"S. Saighi, B. Zitouni, Hocine Ben Moussa","doi":"10.1109/IRSEC.2013.6529648","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529648","url":null,"abstract":"This study represents the fields and the temperature profiles in a single cell of an anode supported planar a SOFC fuel cell under the influence of various polarization resistance sources; The Ohm polarization resistance type is at the anode, electrolyte, cathode and interconnector. The activation polarization resistance type at the electrodes (anode and cathode). The study is done at 3-D. The numerical simulation is performed by a FORTRAN program. The results are shown in the vertical plane passing through the channel center and parallel to the gas flow direction.","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":"127490988","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
Thermal fields of a planar SOFC fed by methane: Steam reforming and water gas shift reaction effect 甲烷供气的平面SOFC热场:蒸汽重整和水煤气移位反应效应
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529715
H. Abdenebi, B. Zitouni, Hocine Ben Moussa, D. Haddad
{"title":"Thermal fields of a planar SOFC fed by methane: Steam reforming and water gas shift reaction effect","authors":"H. Abdenebi, B. Zitouni, Hocine Ben Moussa, D. Haddad","doi":"10.1109/IRSEC.2013.6529715","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529715","url":null,"abstract":"This paper presents an analysis of the heat source effect on the thermal fields of an anode supported planar Solid Oxide Fuel Cell (SOFC). Heat sources are: i) heat source due to the endothermic steam reforming reaction and ii) heat source due to the exothermic water gas shift reaction. This study is studied by a 2-D numerical simulation, in the plane perpendicular to the gases flow, and requires a coupling of transport phenomena of energy and mass species. The law of flow is governed by Darcy's law. The gases are air and fuel. The inlet fuel is composed by a mixture of methane CH4, hydrogen H2, carbon monoxide CO, carbon dioxide CO2 and steam H2O. Results are obtained by developing a program in FORTRAN language using the finite difference method. The results show the inlet gases temperature effect on the SOFC thermal fields.","PeriodicalId":130577,"journal":{"name":"2013 International Renewable and Sustainable Energy Conference (IRSEC)","volume":"86 1-2 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":"116736684","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
Modeling and performance analysis of multilevel inverter for single-phase grid connected photovoltaic modules 单相并网光伏组件多电平逆变器建模及性能分析
2013 International Renewable and Sustainable Energy Conference (IRSEC) Pub Date : 2013-03-07 DOI: 10.1109/IRSEC.2013.6529727
A. Badoud, M. Khemliche, S. Bacha, B. Raison
{"title":"Modeling and performance analysis of multilevel inverter for single-phase grid connected photovoltaic modules","authors":"A. Badoud, M. Khemliche, S. Bacha, B. Raison","doi":"10.1109/IRSEC.2013.6529727","DOIUrl":"https://doi.org/10.1109/IRSEC.2013.6529727","url":null,"abstract":"Power electronic converters always have been circuits of difficult modeling because differential equations that describe them have discontinuities. Although this situation has been improved since the appearance of the bond graph approach, able to jointly describe both continuous and discrete behaviors exhibited by some physical systems, nowadays it is possible to obtain very precise models which help us in the study and design of such circuits. This work gives an overview on single-phase grid converter based on seven level diode clamped multilevel inverter for photovoltaic system with maximum power tracking. In the first part, we develop a bond graph model of the inverter. A bond graph MPPT strategy is developed, the performance of the algorithm is studied. Then, we present the bond graph model of solar cell. Thus, we study a cascade constituted by tow photovoltaic cell panels - five-level NPC VSI - permanent magnet synchronous machine (PMSM) fed by photovoltaic PV energy systems at different illuminations. At the full solar intensity, the maximum power point of current/voltage I/V characteristic of the PV modules is designed to be at the rated conditions of the machines. The steady-state output characteristics, the torque-speed characteristics, of the three DC motors with the two inputs are presented and compared.","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":"125217278","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
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