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2023 8th International Engineering Conference on Renewable Energy & Sustainability (ieCRES)最新文献

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Traffic Congestion Prevention Using Ant Colony Optimization 基于蚁群优化的交通拥堵预防
Pub Date : 2023-05-08 DOI: 10.1109/ieCRES57315.2023.10209508
Aiman AbuSamra, Abeer Ashour, Mai Ghazal, Jehad Aldahdooh, Raghad Abuarja
Managing traffic congestion is crucial for improving mobility, reducing fuel consumption, and mitigating environmental impacts in urban areas. To address this challenge, we present a novel framework named TCP-ACO for detecting traffic congestion that classifies congestion into three distinct types: expected, unexpected, and real-time. The framework utilizes data from various sources, including databases, Ant colony optimization (ACO) systems, and computer vision techniques, to precisely detect and handle traffic congestion. Expected congestion is identified by analyzing historical traffic data and scheduled events, while unexpected congestion is detected by leveraging real-time data from ACO systems. Real-time congestion is detected by employing computer vision techniques, such as analyzing video footage from cameras or drones. The proposed framework has the potential, by recognizing and managing various types of congestion, to improve traffic flow, shorten travel times, and decrease environmental impacts. Additionally, it also offers a precise and effective solution for traffic congestion detection, which is a crucial aspect of smart city traffic management systems. Our analysis shows that the ACO algorithm adapted in TCP-ACO is more effective in finding the shortest path between two cities (result obtained: 4.014) compared to the result obtained from the shortest path technique compounded with computer vision (which yields a score of 6.224 when the path is free). This indicates the effectiveness of the proposed framework in addressing the challenges of traffic congestion, offering a promising solution for smart city traffic management systems to improve mobility and reduce environmental impacts in urban areas.
管理交通拥堵对于改善城市地区的流动性、减少燃料消耗和减轻环境影响至关重要。为了应对这一挑战,我们提出了一个名为TCP-ACO的新框架,用于检测交通拥塞,该框架将拥塞分为三种不同的类型:预期的、意外的和实时的。该框架利用各种来源的数据,包括数据库、蚁群优化(ACO)系统和计算机视觉技术,来精确检测和处理交通拥堵。通过分析历史交通数据和计划事件来识别预期的拥塞,而通过利用ACO系统的实时数据来检测意外的拥塞。通过使用计算机视觉技术来检测实时拥堵,例如分析来自摄像机或无人机的视频片段。拟议的框架通过识别和管理各种类型的拥堵,有可能改善交通流量,缩短旅行时间,减少对环境的影响。此外,它还为交通拥堵检测提供了精确有效的解决方案,这是智慧城市交通管理系统的关键方面。我们的分析表明,在TCP-ACO中采用的蚁群算法在寻找两个城市之间的最短路径(得到的结果为4.014)比最短路径技术与计算机视觉相结合的结果(在路径空闲时得到的结果为6.224)更有效。这表明所提出的框架在解决交通拥堵挑战方面的有效性,为智慧城市交通管理系统提供了一个有希望的解决方案,以改善城市地区的机动性并减少对环境的影响。
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引用次数: 0
Numerical Simulation of Aerodynamics Performance of NERL S826 Airfoil NERL S826翼型气动性能数值模拟
Pub Date : 2023-05-08 DOI: 10.1109/ieCRES57315.2023.10209478
A. Salem, E. Hamza, Y. Nassar, Ibrahim Hmmady
In this study, the aerodynamic coefficients of NERL S826 airfoil, used for small-scale wind turbines, are numerically computed. To account for high skewness at a high angle of attack, an unstructured mesh with two different turbulence models, namely The k- $omega$ SSt and Spalert-Allmaras was implemented using the OpenFOAM-2206 tool. The simulation results are validated against wind tunnel experimental data obtained in the same flow conditions. Moreover, the results also are compared with other numerical simulations conducted for the same type of airfoil using an OpenFOAM-06 with a structured mesh. Additionally, blade element theory (BET) was considered in the comparison of the aerodynamic characteristics. It was found that the results for the drag coefficients achieved by OpenFOAM-2206 simulation for both turbulence models are in less agreement with the experiment in comparison with those obtained by OpenFOAM06, particularly for the AOA in the range of $0^{circ}-12^{circ}$. However, a better prediction of the drag coefficients was achieved for higher AOA by OpenFOAM-2206 simulation with the k- $omega S S T$ model and unstructured mesh compared with the other methods. On the other hand, an excellent agreement between OpneFOAM-2206 results in the lift coefficients with the experiment was obtained in comparison with the other methods.
在这项研究中,气动系数的NERL S826翼型,用于小型风力发电机,是数值计算。为了解决大迎角下的高偏度问题,使用OpenFOAM-2206工具实现了具有两种不同湍流模型(即k- $omega$ SSt和Spalert-Allmaras)的非结构化网格。仿真结果与相同流动条件下的风洞实验数据进行了对比验证。此外,结果还与其他数值模拟进行了比较相同类型的翼型使用OpenFOAM-06与结构网格。此外,在气动特性比较中考虑了叶片单元理论(BET)。结果表明,与OpenFOAM06相比,OpenFOAM-2206对两种湍流模型的阻力系数模拟结果与实验结果不太吻合,特别是在$0^{circ}-12^{circ}$范围内的AOA。然而,与其他方法相比,采用k- $omega S S T$模型和非结构化网格的OpenFOAM-2206模拟可以更好地预测更高AOA的阻力系数。另一方面,与其他方法相比,OpneFOAM-2206的升力系数计算结果与实验结果吻合良好。
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引用次数: 0
Investigative Study of Installed Solar Energy System at Islamic University of Gaza 加沙伊斯兰大学安装太阳能系统的调查研究
Pub Date : 2023-05-08 DOI: 10.1109/ieCRES57315.2023.10209455
H. Elaydi, Hosam Rafeeq Zaqout, Mohammed Sameeh Ayesh, Ahmed Mahmoud Salha, Omar Kayed Hammad
The Islamic University of Gaza, IUG, relies on several sources of energy to meet its electricity demands. Since Gaza Strip suffers from a chronic blackout electricity problem where electricity is being cutoff from the main electrical distribution company for over 50% of the time, it uses several other options to compensate for those times. In the past, it mainly relied on diesel power generators; however, it recently started to relies more and more on its rooftops solar PV systems to meet its electricity demands. IUG solar PV systems works both on grid and off grid; however, in order to achieve the greatest benefit from the system, it is preferred to use on grid connection. This research focuses on investigating integrated analytical data of the solar system in terms of its production capabilities and efficiency. The study is based on the analysis of the solar system located on the southern side of IUG main campus. Based on the data collected from the electrical meters on the system and its statistical representation for the year 2021, the study provides suggestions to improve and to develop the system and to solve identified system’s problems. The project relied on the methodology of monthly data collection of 2021 and its analysis by means of computer programs - Excel and Python. The results of the research present a detailed study of the solar system in the southern side of the Islamic University, detailed accurate numerical values for the amount of energy produced and consumed, financial return provided by the system, obstacles and recommendation to increase its efficiency. The study shows an annual reduction of the university electricity bill of about ${$}70,000$ that can be increased to ${$}100,000$ by following the recommendations.
加沙伊斯兰大学依靠几种能源来满足其电力需求。由于加沙地带长期存在停电问题,主要配电公司的电力中断时间超过50%,因此它使用其他几种选择来弥补这些时间。过去主要依靠柴油发电机发电;然而,它最近开始越来越依赖其屋顶太阳能光伏系统来满足其电力需求。IUG太阳能光伏系统可以在并网和离网两种情况下工作;然而,为了从系统中获得最大的收益,它更倾向于在电网连接上使用。本研究的重点是调查太阳能系统在其生产能力和效率方面的综合分析数据。本研究是基于对位于IUG主校区南侧的太阳系的分析。根据该系统电表收集的数据及其2021年的统计表示,本研究提出了改进和发展该系统以及解决已发现的系统问题的建议。该项目依赖于2021年每月数据收集的方法,并通过计算机程序- Excel和Python进行分析。研究的结果是对伊斯兰大学南侧的太阳能系统进行了详细的研究,详细说明了产生和消耗的能源数量的准确数值,该系统提供的财政回报,提高其效率的障碍和建议。研究表明,每年大学电费减少约7万美元,如果遵循这些建议,可以增加到10万美元。
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引用次数: 0
Regression Model for Optimum Solar Collectors’ Tilt Angles in Libya 利比亚太阳能集热器最佳倾角的回归模型
Pub Date : 2023-05-08 DOI: 10.1109/ieCRES57315.2023.10209547
Y. Nassar, H. J. Khozondar, Nasser M. Abouhmod, A. AbuBaker, A. Ahmed, Abdulgader Alsharif, M. Khaleel, Mohamed Elnaggar, R. El-Khozondar
The present study presents a regression function for optimum tilt angle for fixed mode flat-plate solar harvesters suitable for different locations in Libya, sky conditions and albedo values. The research based on 14 years -15 minutes time series solar irradiation components which provided by Solargis database platform for 24 different locations in Libya, based on the contract signed between the Solargis Company and Wadi AlShatti University. Several transposition models are applied - corresponding to each location - for estimating the tilted global solar irradiance components according to recommendation of a local recent study. The proposed model corrects the optimum tilt angle by involving the three components of the solar irradiation: direct beam, sky-diffused and ground reflected solar irradiances. The results proved the applicability and reliability of the obtained regression model. In addition, results showed the high potential of the proposed model for use in engineering design, eco-energetic analysis and optimum design processes.
本研究提出了适用于利比亚不同地点、天空条件和反照率值的固定模式平板太阳能收割机的最佳倾斜角的回归函数。根据Solargis公司与Wadi AlShatti大学签订的合同,该研究基于Solargis数据库平台为利比亚24个不同地点提供的14年-15分钟时间序列太阳辐射组件。根据最近一项当地研究的建议,应用了几个与每个地点相对应的转位模型来估计倾斜的全球太阳辐照度分量。该模型通过考虑太阳直射、天空散射和地面反射三种辐射分量来修正最佳倾斜角度。结果证明了所建立的回归模型的适用性和可靠性。此外,研究结果表明,该模型在工程设计、生态能量分析和优化设计过程中具有很高的应用潜力。
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引用次数: 3
Radio over Fiber (RoF) Transmitter Architecture for Fronthaul 5G and beyond Networks 用于前传5G及以上网络的光纤无线(RoF)发射机架构
Pub Date : 2023-05-08 DOI: 10.1109/ieCRES57315.2023.10209439
Ahmed A. Skaik, F. El-Nahal
We propose a linearized cost-effective radio-over fiber (RoF) downlink transmitter architecture for centralized radio access networks (CRANs) based on the near-millimeter wave range. A linearized Mach-Zehnder Modulator (MZM) is employed to reduce the distortion resulting from the detection process of the photodiode. The proposed RoF architecture can be employed as a fronthaul for 5G and beyond networks, where a downlink transmitter architecture that uses Orthogonal Frequency Division Multiplexing (OFDM) and Quadrature Amplitude Modulation (QAM) is employed in a system where the signal processing is centralized at a baseband unit (BBU) rather than at the remote radio heads (RRHs). The outcomes of the simulation show that the suggested linearized CRAN transmitter design is well-suited for 5G and future networks.
我们提出了一种基于近毫米波范围的集中式无线接入网(CRANs)的线性化的经济高效的光纤无线(RoF)下行发射机架构。采用线性化的马赫-曾德尔调制器(MZM)来减小光电二极管检测过程中产生的畸变。所提出的RoF架构可以用作5G及以上网络的前传,其中在信号处理集中在基带单元(BBU)而不是远程无线电头(RRHs)上的系统中使用使用正交频分复用(OFDM)和正交调幅(QAM)的下行链路发射机架构。仿真结果表明,建议的线性化CRAN发射机设计非常适合5G和未来的网络。
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引用次数: 0
DC off-Grid PV System to Supply Electricity to 50 Boats at Gaza Seaport 直流离网光伏系统将为加沙海港的50艘船供电
Pub Date : 2023-05-08 DOI: 10.1109/ieCRES57315.2023.10209467
H. J. El-Khozenadar, M.A. Albardawil, M.S. Asfour, I. N. Abu-Khater, Y. Nassar
This work presents an off-grid solar energy system at Gaza seaport to power fishermen boats’ lights needed for night fishing. The design process started by assigning the project site which should be close to the port. Then, the energy consumption and the percentage of energy loss are calculated. Followed by estimating the number of batteries that needed to power the lights of each boat. Finally, the number of solar panels and their angle of inclination are calculated. The designed system consists of: 7 independent sub-arrays, each one consisting of 2 photovoltaic PV strings, each PV string consisting of 4 modules, and 30 batteries each 6 batteries connected in series. The total PV modules for this project are 56 modules with a total power of 20.160 kW and the total batteries are 210. The estimated cost of the system is found to be ${$}2,527,700$. The system will provide enough power to light the fishermen boats lights, decrease dependency of the fossil fuel and mitigate the environment hazardous emissions.
这项工作展示了加沙海港的离网太阳能系统,为渔民夜间捕鱼所需的船灯供电。设计过程从指定项目地点开始,项目地点应该靠近港口。然后,计算能量消耗和能量损失百分比。然后估计每艘船的灯光所需的电池数量。最后,计算了太阳能板的数量和倾角。设计的系统包括:7个独立的子阵列,每个子阵列由2个光伏电池组组成,每个光伏电池组由4个模块组成,30个电池,每6个电池串联。该项目共安装光伏组件56个,总功率20.160千瓦,总电池210节。该系统的估计成本为${$}2,527,700$。该系统将提供足够的电力来点亮渔民的船灯,减少对化石燃料的依赖,并减少对环境有害的排放。
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引用次数: 0
TE transmittance of solar cell models based on perovskite and nanoparticles 基于钙钛矿和纳米颗粒的太阳能电池透射率模型
Pub Date : 2023-05-08 DOI: 10.1109/ieCRES57315.2023.10209434
Mahassen H. Elblbeisi, M. Shabat
The transmission and reflections of incident light have been investigated using novel solar cell construction combining nanoparticles with perovskite. The Transverse Electric (TE) mode for perovskite solar cells with a nanoparticles-glass layer were studied using the Transfer matrix method. The transmittance of the proposed structure for three kinds of nanoparticles doped on the glass cover is studied here. We study the effect of changing volume fraction and glass layer thickness on transmittance. It is obvious that nanoparticles and perovskite can improve transmission while lowering or eliminating reflection, which is critical for optimizing light management in future solar cells.
采用纳米颗粒与钙钛矿相结合的新型太阳能电池结构,研究了入射光的透射和反射。采用传递矩阵法研究了具有纳米颗粒-玻璃层的钙钛矿太阳能电池的横向电模式。本文研究了三种纳米粒子掺杂在玻璃盖板上的透过率。研究了不同体积分数和玻璃层厚度对透光率的影响。很明显,纳米颗粒和钙钛矿可以提高透射率,同时降低或消除反射,这对于优化未来太阳能电池的光管理至关重要。
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引用次数: 0
Smart Hybrid Power Sources Controller based on Fuzzy Logic for Energy Management using Wireless Sensor Networks 基于模糊逻辑的无线传感器网络能量管理智能混合电源控制器
Pub Date : 2023-05-08 DOI: 10.1109/ieCRES57315.2023.10209447
Yousef E. M. Hamouda
The diverse of renewable and traditional sources of electrical power generation has been driven the need for Home Energy Management System (HEMS) to control the operation of different sources inside smart homes. In this paper, Hybrid Power Source Controller (HPSC) with the presence of the utility Smart Grid (SG) and the Fuel Cell (FC) is invented to optimally control and share the demands of required load power between SG and FC based on Fuzzy Logic Controller (FLC). The FLC is designed to reduce the electricity price and to maintain the grid stability. Wireless Sensor Network (WSN) is employed to measure the grid frequency, electrical current, and electrical voltage. The inputs to the FLC are the load power and the grid frequency, while the outputs of FLC are the amounts of electrical powers delivered from the SG and FC. Simulation results show that the proposed HPSC can smartly compute the amounts of delivered power from the SG and FC according to the current measurements of grid frequency and load electrical power so that the energy cost and grid stability are improved.
可再生能源和传统能源发电的多样性推动了对家庭能源管理系统(HEMS)的需求,以控制智能家居中不同能源的运行。本文提出了一种基于模糊逻辑控制器(FLC)的混合电源控制器(HPSC),在公用事业智能电网(SG)和燃料电池(FC)存在的情况下,实现智能电网和燃料电池之间所需负载功率的最优控制和共享。FLC的目的是降低电价,保持电网的稳定。无线传感器网络(WSN)用于测量电网频率、电流和电压。FLC的输入是负载功率和电网频率,而FLC的输出是SG和FC传递的电功率。仿真结果表明,所提出的HPSC能够根据当前电网频率和负载功率的测量值智能地计算SG和FC的输出功率,从而提高能源成本和电网稳定性。
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引用次数: 0
A Smart Interactive Behavioral Chatbot: A Theoretical Prototype 智能互动行为聊天机器人:理论原型
Pub Date : 2023-05-08 DOI: 10.1109/ieCRES57315.2023.10209534
Saleh Alwahaishi
In recent years, significant advancements have been made in speech and language understanding research, with a particular focus on the development of conversational dialog systems between humans and machines. These systems, also recognized as chatbots, interactive conversational agents, or dialog systems, have broad applications, including technical support services, language entertainment, and learning. The emergence of deep neural networks has surged research efforts aimed at building data-driven dialog models. In this study, a novel approach is introduced that incorporates emotions extracted from various sources to design a smart and interactive chatbot.
近年来,语音和语言理解研究取得了重大进展,特别关注人与机器之间的会话对话系统的发展。这些系统也被认为是聊天机器人、交互式会话代理或对话系统,具有广泛的应用,包括技术支持服务、语言娱乐和学习。深度神经网络的出现推动了旨在构建数据驱动对话模型的研究。在这项研究中,引入了一种新的方法,将从各种来源提取的情感结合在一起,设计了一个智能的交互式聊天机器人。
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引用次数: 0
Towards Green and Circular Economy, The Development of Roof Tiles and Bricks from Sand-Plastic Composite 走向绿色循环经济,砂塑复合材料屋面瓦砖的发展
Pub Date : 2023-05-08 DOI: 10.1109/ieCRES57315.2023.10209491
M. Abuhaiba, Mohammad N. Dader, Wesam Elbakry, T. Alrayyes
The main objective of this research is to help solve the deficit and decrease the cost of construction raw materials or provide alternatives for cement, which is sand-plastic. Sand-Plastic consists mainly of sand and recycled plastic, in addition to other materials in small traces such as UV stabilizers, cohesive additives, colour pigments, and fillers. The goal is to optimize the mechanical and physical properties of the Sand-Plastic; to optimize the compression strength, flexure strength, abrasion resistance, and water absorption via controlling the mix proportions of plastic to sand and the process parameters. The path taken was to design and manufacture a mould to produce Sand-Plastic samples of different sizes and various mixes. 15, 20, and 25% plastic (Low Density Polyethylene, LDPE) samples have been examined against compression strength and flexural strength for a temperature range of 150 to $300 ^{circ}mathrm{C}$. Tests results indicated that a 20% plastic composition and a temperature between 200 and $250 ^{circ}mathrm{C}$ yields the optimum mechanical and physical properties.
本研究的主要目的是帮助解决建筑原材料的短缺和降低成本,或为水泥提供替代品,这是砂塑性的。砂塑主要由沙子和再生塑料组成,此外还有少量的其他材料,如紫外线稳定剂、粘合添加剂、彩色颜料和填料。目标是优化砂塑的机械和物理性能;通过控制塑料与砂的混合比例和工艺参数,优化塑料的抗压强度、抗弯强度、耐磨性和吸水率。所采取的方法是设计和制造一个模具来生产不同尺寸和各种混合的沙塑样品。15、20和25%塑料(低密度聚乙烯,LDPE)样品在150至300 ^{circ} mathm {C}$的温度范围内进行了抗压强度和弯曲强度的测试。测试结果表明,20%的塑料成分和200 ~ 250 ^{circ} mathm {C}$之间的温度产生最佳的机械和物理性能。
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引用次数: 0
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2023 8th International Engineering Conference on Renewable Energy & Sustainability (ieCRES)
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