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Artificial Intelligent Techniques for Identifying the Cause of Disturbances in the Power Grid 电网干扰原因识别的人工智能技术
Pub Date : 2023-03-06 DOI: 10.47709/brilliance.v3i1.2165
M. Khaleel, Salah Ali Abulifa, A. Abulifa
The intricacy of the power system configuration, coupled with the contemporary trends in power generation and demand, renders the attainment of adequate supply quality a daunting task for distribution companies. Several regulations govern the power quality (PQ) of the electrical system. In addition, EN-50160 outlines the voltage characteristics supplied by public electricity networks, which directly impact distribution companies. Secondly, the EN-61000 standards series regulates the electromagnetic compatibility of network-connected devices, which affects the loads. Both power companies and device manufacturers are responsible for ensuring and being impacted by the quality of supply. Artificial Intelligence (AI) techniques refer to a variety of methods and algorithms that enable machines to perform tasks that typically require human-like intelligence, such as perception, reasoning, learning, and decision-making. AI techniques include machine learning, natural language processing, computer vision, robotics, expert systems, and other approaches that use algorithms to analyze and understand complex data, recognize patterns, and make predictions or decisions based on that data Notwithstanding the regulations, there are still unresolved aspects of the supply quality, one of the most significant being the location of the origin of disturbances. This article presents an investigation of the main techniques used to identify the cause of disturbances and locate their origin in the power grid.  
电力系统结构的复杂性,再加上当代发电和需求的趋势,使配电公司实现足够的供应质量成为一项艰巨的任务。电力系统的电能质量(PQ)有几条规定。此外,EN-50160概述了公共电网提供的电压特性,这直接影响到配电公司。其次,EN-61000系列标准规范了网络连接设备的电磁兼容性,影响了负载。电力公司和设备制造商都有责任确保并受到供电质量的影响。人工智能(AI)技术指的是各种方法和算法,这些方法和算法使机器能够执行通常需要类人智能的任务,例如感知、推理、学习和决策。人工智能技术包括机器学习、自然语言处理、计算机视觉、机器人技术、专家系统和其他使用算法来分析和理解复杂数据、识别模式并根据该数据做出预测或决策的方法。尽管有规定,供应质量方面仍有未解决的问题,其中最重要的问题之一是干扰来源的位置。本文介绍了用于识别干扰原因和确定其在电网中的来源的主要技术的调查。
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引用次数: 3
Implementation of PV-Battery Storage-Wind Turbine-Load- on Grid System 光伏-电池储能-风力发电机组并网负荷系统的实现
Pub Date : 2023-02-27 DOI: 10.47709/brilliance.v3i1.2157
Muftah Ali
The system is designed to promote the use of renewable energy sources and reduce dependence on non-renewable energy sources such as fossil fuels. The system comprises several components, including photovoltaic (PV) panels, wind turbines, battery storage, load management, and the main grid. The integration of these components provides a reliable and stable source of electricity for households and businesses, particularly in areas prone to power outages. The battery storage system helps to balance the intermittent nature of renewable energy sources, providing a more consistent supply of electricity. Additionally, this system can reduce the carbon footprint of the electricity generation process and contribute to mitigating the effects of climate change. Overall, the implementation of a PV-battery storage-wind turbine-load-main grid system has the potential to transform the way we generate and consume electricity, creating a more sustainable and resilient energy system for future generations.  
该制度旨在促进可再生能源的使用,减少对化石燃料等不可再生能源的依赖。该系统由几个部分组成,包括光伏(PV)面板、风力涡轮机、电池存储、负载管理和主电网。这些组件的集成为家庭和企业提供了可靠和稳定的电力来源,特别是在容易停电的地区。电池存储系统有助于平衡可再生能源的间歇性,提供更稳定的电力供应。此外,该系统可以减少发电过程中的碳足迹,有助于减轻气候变化的影响。总的来说,光伏电池储能-风力涡轮机-主电网系统的实施有可能改变我们发电和用电的方式,为子孙后代创造一个更具可持续性和弹性的能源系统。
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引用次数: 0
A Role of Mechanical Energy Storage Systems in Grid Application 机械储能系统在电网应用中的作用
Pub Date : 2023-01-09 DOI: 10.47709/brilliance.v3i1.1941
Muftah Ali
Mechanical Energy Storage Systems (MESS) technologies are still posing complex threats to power grids. The MESS model is designed to offer a highly flexible center to electrical power that is involved in combining energy resources and request loads to industrial influence, safe high-voltage equipment, and produce high-quality power. Furthermore, electricity grids can have started to utilize all of the advantages of a potent mix of decentralized resources for renewable energy. This article's impact is to adopt modern MESS innovations that are combined with improved efficiency, energy efficiency, and fast reaction to incorporate electricity systems. As a consequence, the primary purpose of this article is to present a critical review of the major innovations in MESS that are especially suited to the evolution of the electricity network and its capabilities.
机械储能系统(MESS)技术仍然对电网构成复杂的威胁。MESS模型旨在为电力提供高度灵活的中心,涉及能源资源组合和工业影响的要求负载,安全的高压设备,并产生高质量的电力。此外,电网可以开始利用可再生能源的分散资源的强大组合的所有优势。本文的影响是采用现代MESS创新,这些创新与改进的效率、能源效率和快速反应相结合,以合并电力系统。因此,本文的主要目的是对MESS中的主要创新进行批判性回顾,这些创新特别适合电网及其能力的发展。
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引用次数: 0
A study of undergraduate ELT students' motivation in Libya 利比亚大学生英语学习动机研究
Pub Date : 2022-09-27 DOI: 10.47709/brilliance.v1i2.1767
Abdalmonam Hassan Saleh Alkorbow, Wegdan Saad Eldeeb
Learning languages requires desire and practices from the learners; one of the major things that guide better learning is motivation in learning process to be more skilful. Thus, this study attempts to describe and examine students’ motivation of ELT undergraduate students in Tripoli University in Libya. The main purpose of this study is to examine students' intrinsic and extrinsic motivation toward learning English as a foreign language in Libya.The study tries to find out those factors that may affect the students' motivation negatively. In the study, 150 ELT Libyan undergraduate students (121 males & 29 females) participated fill the questionnaire to figure out the students’ tendency throughout the extrinsic motivation to investigate what affects their English learning process and how to motivate undergraduate students from the ages between 17 to 25 years in various levels range from 1st to 4th year. Unpredictably, the data discovered that the students have a higher degree of extrinsic rather than intrinsic motivation. The results were not expectable; the study's findings were unusual as Libyan students' integrative orientation was higher than their instrumental motivation.
学习语言需要学习者的愿望和实践;引导更好学习的主要因素之一是学习过程中的动机,使自己更有技巧。因此,本研究试图对利比亚的黎波里大学英语教学本科生的学习动机进行描述和考察。本研究的主要目的是考察利比亚学生学习英语作为外语的内在动机和外在动机。本研究试图找出可能对学生学习动机产生负面影响的因素。在本研究中,150名利比亚英语教学本科生(男121名,女29名)参与了问卷调查,了解学生在整个外在动机过程中的倾向,探讨影响他们英语学习过程的因素,以及如何激励17至25岁的大一至四年级不同层次的本科生。出乎意料的是,数据发现学生有更高程度的外在动机而不是内在动机。结果出乎意料;这项研究的发现是不寻常的,因为利比亚学生的综合取向高于他们的工具动机。
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引用次数: 0
Application of Artificial Intelligence in Mechanical Engineering 人工智能在机械工程中的应用
Pub Date : 2022-09-13 DOI: 10.47709/brilliance.v2i3.1719
M. R. H. Alhakeem, D. N. Ilham
The use of artificial intelligence (AI) is becoming more prevalent across many industries. Examples include intelligently based control, intelligently based mechanical systems, pattern recognition-based systems, and knowledge processing. Method/Statistical Analysis: In this paper, an extensive review was conducted on the applications of ANN in intelligent mechanical engineering systems, including fault diagnosis in machines, mechanical structure analysis, and geometry modelling of mechanical structures, mechanical design, and its optimization. Findings: The adaptation of artificial neural networks (ANN), particularly in the field of mechanical engineering, is still in its early stages of development. This paper highlights the different ways artificial neural networks (ANNs) are used in intelligent-based systems, as well as the potential for reducing costs and time and obtaining more efficient systems for mechanical-based design and defect detection. Application/Improvements: This work will be improved in the future by adding more AI applications to the design of mechanically based systems.
人工智能(AI)的使用在许多行业变得越来越普遍。例子包括基于智能的控制、基于智能的机械系统、基于模式识别的系统和知识处理。方法/统计分析:本文广泛综述了人工神经网络在智能机械工程系统中的应用,包括机械故障诊断、机械结构分析、机械结构几何建模、机械设计及其优化。研究结果:人工神经网络(ANN)的适应性,特别是在机械工程领域,仍处于发展的早期阶段。本文重点介绍了人工神经网络(ann)在基于智能的系统中的不同应用方式,以及降低成本和时间以及获得更有效的机械设计和缺陷检测系统的潜力。应用/改进:通过在基于机械的系统设计中添加更多AI应用,这项工作将在未来得到改进。
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引用次数: 0
Improving the Effectiveness of Heat Pipe solar Connector by using Nano fluid 利用纳米流体提高热管太阳能连接器的效能
Pub Date : 2022-09-11 DOI: 10.47709/brilliance.v2i3.1716
M. R. H. Alhakeem
This article provides a thorough analysis of current developments in the use of nano fluids in the sun collectors with heat pipes. Theoretical, numerical, and experimental papers that are current and relevant to the Applications of nanotechnology in this class of solar collectors. To provide a thorough overview of the effect of the nano fluid in enhancing heat pipe solar collectors, a large body of literature has been thoroughly researched and summarized. The effectiveness of heat pipe solar collectors can be significantly increased by using nano fluid, it was discovered certain tools.
本文全面分析了纳米流体在热管太阳能集热器中的应用现状。当前与纳米技术在这类太阳能集热器中的应用相关的理论、数值和实验论文。为了全面介绍纳米流体对热管太阳能集热器的增强作用,对大量的文献进行了深入的研究和总结。利用纳米流体可以显著提高热管太阳能集热器的集热器效率。
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引用次数: 0
Prevalence of HIV Infection among Health Care Workers in Major Health Care Settings in Eastern Part of Libya 利比亚东部主要卫生保健机构卫生保健工作者中艾滋病毒感染的流行情况
Pub Date : 2022-09-07 DOI: 10.47709/brilliance.v2i3.1696
S. Eljamay, Emhamed Boras, Aziza. M. Agwida ALsheek, Rabie A Ali Elhsadi
Health care workers (HCWs) who have occupational exposure to blood are at increased risk for acquiring blood-borne infections.  Aims of the study: To determine the prevalence of HIV among HCWs in five major hospitals in the eastern part of Libya. Material and Methods: A cross-sectional study was conducted in a random sample; this study was done on 601 of HCWs healthcare workers in five major healthcare settings in the eastern part of Libya, during the period between July 2008 to June 2009 rapid methods for HIV, and enzyme-linked immunosorbent assay (ELISA) techniques method and polymerase chain reaction (PCR). A structured and anonymous questionnaire sheet was filled by each of the HCWs through direct personal interviews. After verbal consent 5-10 ml, a blood sample was extracted from each HCW. Results: The majority of HCWs (89.0%) were able to identify that HIV is caused by viruses and not by other microorganisms like bacteria or parasites. Although the majority of HCWs know that contamination with blood or blood products, unsterilized needles or surgical instruments, unsafe sex, folk behaviour like tattooing and piercing, and sharing personal items (e.g. toothbrush, razor, and nail scissors) are essential modes of transmission of these viruses, however many of them were falsely reported that sharing clothes, usage of same toilet and skin contact are also an important mode of transmission of these viruses.  Moreover, most HCWs did not believe that the infected persons with these viruses may remain asymptomatic for a long time and always persist for one‘s whole life. More than one-third of HCWs were unaware of any available policy or procedure for reporting sharp injuries in their place of work. Moreover, the majority of HCWs (88.7%) do not use needle removers or needle cutters before disposing of injection pieces of equipment. Furthermore, half of the HCWs do not have sufficient quantities of sharps boxes to dispose of sharps safely in their workplaces. More surprisingly, more than half of the studied HCWs never attend any education or training programs on infection control and prevention during their previous work careers. As for HIV infection, it is almost non-existent (0.0%), Conclusion: The present study showed that no infection by HIV and the lack of educational programs and the lack of post-exposure documentation are concerns. A clear, thoughtful, well-planned and carefully structured risk reduction approach to hospital infection control is needed for this high-risk population.
职业接触血液的卫生保健工作者(HCWs)获得血源性感染的风险增加。研究目的:确定利比亚东部五家主要医院的卫生保健员中艾滋病毒的流行情况。材料与方法:采用横断面研究,随机抽样;本研究在2008年7月至2009年6月期间对利比亚东部5个主要卫生保健机构的601名卫生保健工作者进行了研究,采用艾滋病毒快速检测方法、酶联免疫吸附测定(ELISA)技术、方法和聚合酶链反应(PCR)。每位医护人员通过直接个人访谈填写了一份结构化的匿名问卷。口头同意5-10 ml后,从每个HCW中抽取血样。结果:大多数HCWs(89.0%)能够确定HIV是由病毒引起的,而不是由细菌或寄生虫等其他微生物引起的。虽然大多数卫生保健工作者知道血液或血液制品污染、未经消毒的针头或手术器械、不安全的性行为、纹身和穿刺等民间行为以及共用个人物品(如牙刷、剃须刀和指甲剪刀)是这些病毒的基本传播方式,但其中许多人错误地报告说,共用衣服、使用同一个厕所和皮肤接触也是这些病毒的重要传播方式。此外,大多数卫生保健工作者不相信这些病毒感染者可以长期无症状,并一直持续一生。超过三分之一的卫生保健工作者不知道在工作场所报告尖锐伤害的任何现行政策或程序。此外,大多数卫生保健工作者(88.7%)在处理注射设备之前没有使用取针器或切针器。此外,一半的卫生保健工作者没有足够数量的利器箱,无法在工作场所安全处置利器。更令人惊讶的是,在被研究的卫生保健工作者中,有一半以上的人在以前的工作生涯中从未参加过任何有关感染控制和预防的教育或培训项目。结论:本研究显示,该地区未发生HIV感染,且缺乏相关教育和暴露后文献记录。这一高危人群需要一种清晰、周到、精心规划和精心结构的降低医院感染控制风险的方法。
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引用次数: 1
Evaluation and Modeling of the Car Speed Control Process using a PID Controller 用PID控制器对车速控制过程进行评价与建模
Pub Date : 2022-09-04 DOI: 10.47709/brilliance.v1i2.1705
Faraj Ahmed Elzarook Barood, Abdulsalam Eshtaiwi
Car speed is an essential attribute for analysing the utility of a transport mode. The speed relationship between multiple modes of transport is of interest to traffic planners and operators. Nowadays, the cruise control system has become a common feature of modern cars. A car control system helps in providing comfortability to the driver while driving long-distance travel. Using a car control system, travelling on the highways has become easier than before because it reduces the mental and physical stress caused by regularly monitoring the speed of the car and frequently pressing the gas pedal to maintain the speed. This paper is aimed at modelling a car control system and examining its characteristics based on the PID control strategy. Proportional-Integral-Derivative (PID) controller provides a great way to stabilize systems. It has the ability to change the response of the system to be stable and reliable when it is used for controlling systems. This system is actualized with the help of MATLAB for simulation and control purposes. The paper showed that without the use of the PID controller, the speed was stable after 100 seconds, and when the controller was used and self-turned, the speed was approximately stable at 20 seconds, and this shows the effectiveness of using the PID controller.
车速是分析一种运输方式效用的基本属性。多种运输方式之间的速度关系是交通规划者和经营者感兴趣的问题。如今,巡航控制系统已成为现代汽车的一个共同特点。汽车控制系统有助于在长途驾驶时为驾驶员提供舒适。使用汽车控制系统,在高速公路上旅行变得比以前更容易,因为它减少了定期监测汽车速度和频繁踩油门以保持速度所造成的精神和身体压力。本文的目的是建立一个基于PID控制策略的汽车控制系统的模型,并研究其特性。比例-积分-导数(PID)控制器为稳定系统提供了一种很好的方法。当用于控制系统时,它具有改变系统响应的能力,使其稳定可靠。利用MATLAB软件实现了该系统的仿真和控制。本文表明,在不使用PID控制器的情况下,转速在100秒后稳定,而在使用控制器并自旋时,转速在20秒左右稳定,这说明了使用PID控制器的有效性。
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引用次数: 0
An Overview of modeling of nano-composite materials and structures 纳米复合材料和结构建模综述
Pub Date : 2022-09-03 DOI: 10.47709/brilliance.v2i3.1703
M. R. H. Alhakeem
The research conducted by many scientists and engineers on nanocomposite materials and continuous systems made from such materials will be reviewed historically in this article by the writers. Nano composites are a form of well-known composite material that has been improved by adding nanoscale fibers and/or particles for reinforcement. These materials may be more appropriate for industrial applications that require material qualities that are noticeably improved. In other words, because of the improved properties of materials at the nanoscale, the material properties of nanocomposites are superior to those of macroscale composites. Designers are using these materials more frequently than traditional composite materials as constituent parts in aerospace, mechanical, and automotive applications. In order to forecast how buildings made of these materials will behave under actual operating conditions, it is crucial to be aware of the research that has been done in this field. The mechanical analyses carried out on various nanocomposite structures, such as those reinforced with carbon nanotubes (CNTR), graphene (GR), graphene platelets (GPLR), graphene oxide (GOR), and multi-scale hybrid (MSH) nano-composite ones, will be reviewed in the sections that follow, along with the most significant aspects of the suggested scientific activities.
作者将对许多科学家和工程师在纳米复合材料和由这种材料制成的连续系统方面所进行的研究进行历史回顾。纳米复合材料是一种众所周知的复合材料形式,它通过添加纳米纤维和/或颗粒来增强。这些材料可能更适合需要明显改善材料质量的工业应用。换句话说,由于材料在纳米尺度上的性能得到了改善,纳米复合材料的材料性能优于宏观复合材料。在航空航天、机械和汽车应用中,设计师们比传统复合材料更频繁地使用这些材料作为组成部件。为了预测由这些材料制成的建筑物在实际操作条件下的表现,了解该领域的研究是至关重要的。对各种纳米复合材料结构进行的力学分析,如用碳纳米管(CNTR)、石墨烯(GR)、石墨烯薄片(GPLR)、氧化石墨烯(GOR)和多尺度混合(MSH)纳米复合材料增强的纳米复合材料结构,将在接下来的章节中进行回顾,以及建议的科学活动的最重要方面。
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引用次数: 0
Use of Nano composites in industries 纳米复合材料在工业中的应用
Pub Date : 2022-08-28 DOI: 10.47709/brilliance.v2i3.1691
M. R. H. Alhakeem
High performance materials called Nano composites have unique features. Engineering plastics and elastomers are where Nano composites are most in demand, with an anticipated 25% annual growth rate. Their potential is so great that they are useful in many applications, from packaging to biomedical ones. The many forms of matrix Nano composites are covered in this review, with an emphasis on the need for these materials, their methods of manufacturing, and some recent findings regarding their structure, characteristics, and possible uses. The necessity for such materials in the future as well as other intriguing applications are projected. Applications of nano composites offer new technical and commercial potential for numerous sectors of the aerospace, automotive, electronics, and biotechnology industries because to their environmental friendliness.
被称为纳米复合材料的高性能材料具有独特的特点。工程塑料和弹性体是纳米复合材料需求量最大的领域,预计年增长率为25%。它们的潜力是如此之大,以至于在从包装到生物医学的许多应用中都很有用。本文综述了多种形式的基纳米复合材料,重点介绍了对这些材料的需求,它们的制造方法,以及关于它们的结构、特性和可能用途的一些最新发现。预测了未来对这种材料的需求以及其他有趣的应用。纳米复合材料的环境友好性为航空航天、汽车、电子和生物技术等众多领域的应用提供了新的技术和商业潜力。
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引用次数: 0
期刊
Brilliance: Research of Artificial Intelligence
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