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2023 Fifth International Conference on Electrical, Computer and Communication Technologies (ICECCT)最新文献

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Robust Control Technique for Three Machine Nine Bus System 三机九总线系统鲁棒控制技术
Yogendra Saini, Aashiq Hussain, Ravi Kumar Hada, Gaurav Jain, B. Rathor
Understanding and analyzing power system stability behavior under various conditions is the goal of power system stability analysis. The PSS is utilized by generators to address stability issues. To distinguish PSS execution under the transient inadequacy condition, a transient stability examination is carried out. This paper manages power system stabilizers to enhance the system's dynamic stability. Reenactment programming, such as MATLAB, licenses such evaluation on test structures, such as the 3 machine 9 Bus systems, which are intended to calculate various apparatuses of system under various conditions, despite the fact that such an examination cannot be carried out in the field. Various PSS have been used in the past to tune PSS frequency. In addition to comparing the obtained results to those of other PSS, we tuned the repeat of PSS using frequency response strategy that makes use of the system's frequency under transient conditions. The simpowersystem MATLAB tool kit was used to plan and analyze transient stability for the System with PSS.
了解和分析电力系统在各种条件下的稳定行为是电力系统稳定性分析的目标。发电机利用PSS来解决稳定性问题。为了区分暂态不充分条件下PSS的执行,进行了暂态稳定性检验。本文对电力系统稳定器进行管理,以提高系统的动态稳定性。再现编程,如MATLAB,允许对测试结构进行这样的评估,比如3机9总线系统,它旨在计算各种条件下系统的各种设备,尽管这样的检查不能在现场进行。在过去,各种PSS已经被用来调谐PSS频率。除了将获得的结果与其他PSS的结果进行比较外,我们还使用频率响应策略调整了PSS的重复,该策略利用了系统在瞬态条件下的频率。利用simpowersystem MATLAB工具箱对PSS系统进行暂态稳定性规划和分析。
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引用次数: 0
Modeling & Simulation Analysis of Solar PV System Using MPPT Controller for Study of Hybrid Energy System 基于MPPT控制器的太阳能光伏系统建模与仿真分析
Hemant Sharma, Akhil Nigam, Kaml Kant Sharma
In this paper it deals with configuration and simulation of solar PV cell based energy system for study of hybrid energy system. This solar PV system uses perturb and observe MPPT tracking algorithm and have been simulated under MATLAB environment. There are availability of soft computing technique to extract maximum power point. So in this paper modeling of solar photovoltaic system has been carried out under MATLAB/Simulink environment in order to achieve maximum power by using MPPT controller which further may be utilized for hybrid energy system.
本文对基于太阳能光伏电池的能源系统进行了配置与仿真,用于混合能源系统的研究。该太阳能光伏系统采用了摄动和观测跟踪算法,并在MATLAB环境下进行了仿真。利用软计算技术提取最大功率点是可行的。因此,本文在MATLAB/Simulink环境下对太阳能光伏系统进行建模,利用MPPT控制器实现最大功率,并进一步应用于混合能源系统。
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引用次数: 0
Line Voltage THD Minimization in Multilevel Inverter using Particle Swarm Optimization 基于粒子群算法的多电平逆变器线电压THD最小化
R. Kavitha, K. Premalatha, M. M. Kumar, S. Kumutha, T.N. Manimaran
THD minimization is a powerful technique for lowering the harmonic content of an inverter's output voltage. In most three-phase multilevel inverters, the optimization algorithm is applied to the inverter's phase voltage, and then line voltage THD is calculated. As a result, although it achieves the lowest THD in phase voltage, it does not always have the lowest THD in line voltage. Line voltage harmonics play an important role in terms of load. In this paper, the Particle Swarm Optimization (PSO) technique is applied to a multilevel inverter to determine the optimal switching angles using the direct formula of Line voltage Total Harmonic Distortion (LVTHD) as the objective function. The simulation was performed in MATLAB for a 7-level cascaded H bridge multilevel inverter using both the Minimization of Phase Voltage Total Harmonic Distortion (MPVTHD) and Minimization of Line Voltage Total harmonic distortion (MLVTHD) approaches and comparison was done. The result indicates that phase voltage THD minimisation approach produces line THD of 8.36% whereas line voltage THD approach provides better results with line THD value of 6.87% without using filter circuits. Thus, THD optimization applied directly to line voltage provides significant reduction in harmonics with that of phase THD minimization approach.
THD最小化是降低逆变器输出电压谐波含量的有力技术。在大多数三相多电平逆变器中,优化算法都是先对逆变器的相电压进行优化,然后再计算线路电压THD。因此,尽管它在相电压下达到了最低的THD,但它在线电压下并不总是具有最低的THD。线路电压谐波在负荷方面起着重要的作用。本文将粒子群优化(PSO)技术应用于多电平逆变器中,以电压总谐波失真(LVTHD)直接公式为目标函数确定最优开关角。采用相电压总谐波失真最小化(MPVTHD)和线电压总谐波失真最小化(MLVTHD)两种方法对7电平级联H桥多电平逆变器进行了MATLAB仿真,并进行了比较。结果表明,在不使用滤波电路的情况下,相电压THD最小化方法的线路THD值为8.36%,而线电压THD最小化方法的线路THD值为6.87%,效果更好。因此,直接应用于线路电压的THD优化与相位THD最小化方法相比,可以显著降低谐波。
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引用次数: 0
Glaucoma Disease Detection Using Deep Learning 青光眼疾病的深度学习检测
G. V. Datta, S. Kishan, A. Kartik, G. B. Sai, S. Gowtham
Glaucoma is an eye condition that causes the retina to slowly deteriorate over time. If the disease is detected early enough, its progression can be stopped. Unfortunately, early diagnosis is rare because there are usually no obvious signs in the early stages. Early glaucoma detection is essential because glaucoma with a delayed diagnosis can cause permanent vision loss. It has been demonstrated that computer vision systems can detect glaucoma efficiently and accurately. There are some existing methodologies SVM, KNN, and Random Forest using text datasets and with a low accuracy rate. In this project, we apply deep learning models that can recognize the complex features needed for classification tasks, including microaneurysms, exudate, and retinal hemorrhagic. The project's goal is to suggest a hybrid or innovative method employing CNN that overcomes the limitations of competing techniques and yields more accurate results.
青光眼是一种导致视网膜随着时间慢慢恶化的眼病。如果及早发现这种疾病,就可以阻止它的发展。不幸的是,早期诊断是罕见的,因为通常在早期阶段没有明显的迹象。早期青光眼的检测是必要的,因为青光眼的诊断延迟可能导致永久性的视力丧失。研究表明,计算机视觉系统可以有效、准确地检测青光眼。现有的SVM、KNN和Random Forest方法使用文本数据集,准确率较低。在这个项目中,我们应用深度学习模型,可以识别分类任务所需的复杂特征,包括微动脉瘤、渗出物和视网膜出血。该项目的目标是提出一种采用CNN的混合或创新方法,克服竞争技术的局限性,并产生更准确的结果。
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引用次数: 0
An Immuno-Inspired Approach Towards Post-Processing of OCR Errors 基于免疫的OCR误差后处理方法
Puberun Boruah
Errors are part and parcel of Computer Vision applications like Optical Character Recognition(OCR). Unfortunately, the noise produced by these errors only proliferates further down the stages of Natural Language Processing pipelines. Among the reported works for post-processing of OCR texts, most involved Lexical approaches, Feature-based machine learning models, Merging OCR outputs, or using other language Models. This paper proposes an Isolated-Word-based approach to detect OCR errors that rely on the principles of the Artificial Immune System(AIS). The problem of OCR error detection is treated as a classification problem where OCR errors are treated as pathogens and correct words as host cells. The Negative Selection Algorithm is used to classify any new token as an OCR error (pathogen) or good term (host cell). A series of experiments illustrate that it is possible to construct such a system to help identify OCR errors independent of the language.
误差是光学字符识别(OCR)等计算机视觉应用的重要组成部分。不幸的是,这些错误产生的噪音只会在自然语言处理的各个阶段进一步扩散。在已报道的OCR文本后处理工作中,大多数涉及词法方法、基于特征的机器学习模型、合并OCR输出或使用其他语言模型。本文提出了一种基于孤立词的OCR错误检测方法,该方法基于人工免疫系统(AIS)的原理。将OCR错误检测问题视为分类问题,将OCR错误视为病原体,将正确词视为宿主细胞。负选择算法用于将任何新标记分类为OCR错误(病原体)或良好项(宿主细胞)。一系列的实验表明,构建这样一个系统来帮助识别OCR错误独立于语言是可能的。
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引用次数: 0
Reactive Fault Tolerance aware Workflow Scheduling Technique for Cloud Computing using Teaching Learning Optimization Algorithm 基于教学优化算法的云计算响应式容错工作流调度技术
Vigilson Prem M, Paulraj D
Cloud computing has led to a metamorphosis within the delivery model of information technology, from a product to a service. The resources of cloud computing should operate without mistakes or malfunctions is one of the primary challenges. Nevertheless, the cloud environment's ever-changing characteristics lead to a variety of unforeseen problems and malfunctions. Cloud services are hampered by their own vulnerability to disruption as a result of faults or failures in operations, causing them to perform less well than they could. To ensure the availability and dependability of crucial resources, fault tolerance is a fundamental concern. Failures should be anticipated and handled proactively. In order to achieve resilience and reliability in cloud computing, effective failure evaluation and management are required. To anticipate these problems and take the right action before they really happen, many proactive fault tolerance techniques have been proposed and are being deployed. However, most of the proactive fault tolerance methods could not yield a significant solution or help anticipate the faults. Failure to complete a task is no longer an accident but rather a typical feature in cloud computing environments. In this paper, a reactive fault tolerance-aware workflow scheduling approach (RFT A WS) for cloud environment is proposed, that is optimized for teaching and learning. This approach aims to reduce the likelihood of dynamic tasks failing before they are supposed to by taking into account the resources that are already available. The effectiveness of the suggested approach RFT A WS is assessed using the failure ratio, performance improvement rate, and rejection ratio to estimate the scheduling task. The result shows that the suggested system works better than the ones that are already in place and makes data more accessible and reliable.
云计算导致了信息技术交付模式的蜕变,从产品到服务。云计算资源的运行应该没有错误或故障是主要的挑战之一。然而,云环境不断变化的特性会导致各种不可预见的问题和故障。云服务本身容易受到操作故障或失败造成的中断的影响,从而导致它们的表现不如预期。为了确保关键资源的可用性和可靠性,容错是一个基本问题。应该预先预测和处理故障。为了实现云计算的弹性和可靠性,需要进行有效的故障评估和管理。为了预测这些问题并在它们真正发生之前采取正确的措施,已经提出并正在部署许多主动容错技术。然而,大多数主动容错方法不能产生有效的解决方案或帮助预测故障。无法完成任务不再是偶然事件,而是云计算环境中的典型特征。本文提出了一种面向云环境的响应式容错感知工作流调度方法,并针对教与学进行了优化。这种方法的目的是通过考虑到已经可用的资源,减少动态任务在预期之前失败的可能性。采用故障率、性能改进率和拒绝率来评估调度任务的有效性。结果表明,所建议的系统比现有的系统工作得更好,使数据更易于获取和可靠。
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引用次数: 0
A Review on Functionalized Biosensors and its Mechanism Behind the Clinical Diagnosis of Dopamine 功能化生物传感器及其在多巴胺临床诊断中的作用机制综述
Navashree Nagarajan, Parthasarathy Panchatcharam
The use of numerous nanomaterials in the fabrication of electrochemical sensors appears to be more favorable due to their strong adsorption capacity, increased electron transport, high surface area, and energy. Among various electrochemical sensors, the application of functionalized nanomaterials is particularly fascinating in the fields of electrochemistry and nanotechnology. This review concentrates on sensors that have been functionalized using metallic, metallic oxide, and non-metallic nanoparticles through the addition of functional groups or biomolecules for the detection of dopamine neurotransmitter. It summarizes the capabilities of nanomaterials in the development of sensors and provides an explanation of the operating mechanisms between the electrode and the analyte in electrochemical detection. Finally, this paper discusses the challenges and opportunities associated with the development and application of functionalized electrochemical sensors.
在电化学传感器的制造中使用大量的纳米材料似乎更有利,因为它们具有很强的吸附能力,增加了电子传递,高表面积和能量。在各种电化学传感器中,功能化纳米材料的应用在电化学和纳米技术领域尤为引人注目。本文综述了通过添加官能团或生物分子,将金属、金属氧化物和非金属纳米颗粒功能化的传感器用于检测多巴胺神经递质。综述了纳米材料在传感器发展中的作用,并对电化学检测中电极与被分析物之间的作用机理进行了解释。最后,本文讨论了功能化电化学传感器的发展和应用所面临的挑战和机遇。
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引用次数: 0
Utilization of optimization strategies in photovoltaic integrated multiltvel inverters for enhancing power quality 光伏集成多电平逆变器优化策略在提高电能质量中的应用
Sivaprasad Kollati, Kakara Veereshkumar, Pennada Siva Lakshman, Bezzam Karunya
In recent periods, the design of utility network is highly crucial in power system due to large changes in the approaches of the power supply. The primary duty is to provide better power quality of power to the distributed consumers. Thus, the utilities are always emphasing on advanced methodologies to supply good power quality (PQ) to its consumers. Further, as there is wide requirement of energy demand, it is necessary to incorporate different distributed supplies to the system. Therefore, in this paper, a photovoltaic (PV) combined multilevel inverter (MLI) for enhancing the PQ in the utility network. For operation of the multilevel inverter a newly developed optimization technique is employed. The proposed method is related with other existing methods. The PV system is also operated using a modified version of the conventional maximum power point technique (MPPT). The overall performance of the system is verified and analysed using MATLAB/Simulink software.
近年来,由于供电方式的巨大变化,电网的设计在电力系统中显得尤为重要。主要任务是为分布式用户提供更好的电能质量。因此,电力公司一直强调采用先进的方法为用户提供良好的电能质量。此外,由于能源需求的广泛需求,有必要将不同的分布式电源纳入系统。因此,本文提出了一种光伏(PV)组合多电平逆变器(MLI)来提高电网的PQ。针对多电平逆变器的运行,采用了一种新开发的优化技术。所提出的方法与其他现有方法相关联。光伏系统也使用传统最大功率点技术(MPPT)的改进版本进行操作。利用MATLAB/Simulink软件对系统的整体性能进行了验证和分析。
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引用次数: 0
Effect of Mesh Elements and Hyper-parameter over 2-Dimensional Electrical Impedance Tomography Model 网格单元和超参数对二维电阻抗层析模型的影响
Priyanka Hankare, A. Cheeran
Body surface electrodes are used in electrical impedance tomography (EIT) tests. These tests yields an image of the conductivity distribution. Image reconstruction mainly depends on data obtained from sensor electrodes through experiments or tests. Data contamination due to introduction of noise and poor conditioning of the system matrix makes the reconstruction techniques challenging. To give a stable and accurate solution to an ill conditioned EIT problem some form of prior knowledge is introduced by a scalar hyperparameter. Number of mesh elements used during reconstruction process plays a vital role. This paper proposes the comparative analysis of effect of number of mesh elements on reconstruction. Also the optimum number of mesh elements for reconstruction are proposed. Also the effect of change of hyperparameter on reconstruction is shown for above mentioned algorithms.
体表电极用于电阻抗断层扫描(EIT)测试。这些测试产生电导率分布的图像。图像重建主要依靠传感器电极通过实验或测试获得的数据。由于引入噪声和系统矩阵的不良调理导致的数据污染使重建技术具有挑战性。为了给出病态EIT问题的稳定精确解,引入了标量超参数形式的先验知识。在重建过程中,网格单元的数量起着至关重要的作用。本文提出了网格单元数对重构影响的对比分析。并提出了重构的最优网格单元数。并给出了超参数变化对上述算法重构的影响。
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引用次数: 0
WoS-Driven Bibliometric Analysis on Plant Disease Prediction Model wos驱动的植物病害预测模型文献计量学分析
ChanderRekha Thakur, Ajay Kumar
Today's society revolves around artificial intelligence and relies on it for various businesses, like agriculture, where they want to use it as a tool. We should be worried because people waste about 1.6 billion metric tons of staple foods every year. We are slowly realizing this and implementing new techniques like food preservation and crop care. Using a literature review and bibliometric analysis, this article presents study findings exploring the existence and growth of the phrase “plant diseases” from 2016 to 2022. The main aim of this study is to look at the quantity and quality of empirical evidence on the prevention of plant diseases that supports the use of this strategy. The researchers recognized and confirmed that this topic of study is important and holds great promise for helping future researchers achieve strategic alignment between information and technology. The Web of Science bibliometric methodology has been used to analyze a total of 1000 publications on this topic. This research will be of great interest to academics and practitioners who wish to improve their understanding of plant diseases and trace key individuals, topics, and historical events that have contributed to the body of knowledge in this field. This bibliometric analysis includes published research in the form of articles, conference papers, and book chapters that helps determine the global impact of publications in a research community. This review paper discusses how to use bibliometric studies in R as well as how to effectively perform bibliometric studies. The visualization makes it easy to see and understand different ideas in the research field of predicting plant diseases.
今天的社会围绕着人工智能,并依赖于它的各种业务,比如农业,他们想把它作为一种工具。我们应该担心,因为人们每年浪费大约16亿吨主食。我们正在慢慢地认识到这一点,并实施新的技术,如食品保存和作物护理。本文采用文献综述和文献计量分析的方法,对2016年至2022年“植物病害”一词的存在和发展进行了研究。这项研究的主要目的是研究支持使用这一战略的关于预防植物疾病的经验证据的数量和质量。研究人员认识到并确认了这一研究主题的重要性,并为帮助未来的研究人员实现信息和技术之间的战略协调提供了巨大的希望。Web of Science的文献计量方法已经被用来分析关于这个主题的总共1000份出版物。这项研究将对那些希望提高对植物病害的理解并追踪对该领域知识体系做出贡献的关键人物、主题和历史事件的学者和实践者产生极大的兴趣。这种文献计量分析包括以文章、会议论文和书籍章节的形式发表的研究,这些研究有助于确定出版物在研究社区中的全球影响。本文讨论了如何在R中使用文献计量学研究,以及如何有效地进行文献计量学研究。可视化可以方便地看到和理解植物病害预测研究领域的不同观点。
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引用次数: 0
期刊
2023 Fifth International Conference on Electrical, Computer and Communication Technologies (ICECCT)
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