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Day 2 Tue, March 22, 2022最新文献

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Selection of Cluster Head in Wireless Sensor Network using Convolution Neural Network Algorithm 基于卷积神经网络算法的无线传感器网络簇头选择
Pub Date : 2022-06-06 DOI: 10.36548/jsws.2022.1.005
N. Krishnaraj
Network lifetime enhancement is one of the primary goals for all the Wireless Sensor Network (WSN) applications. Clustering process helps the WSNs to improve its lifetime by forming a group with nearby sensor nodes. A primary node called cluster head is elected from the group for managing the data transmission from the other clustering groups to the basic sensor nodes. Also, the cluster heads are placed to transfer the signal collected from its sensor nodes to the base stations. Identifying an optimum node for making it as a cluster head is a challengeable process for many WSN applications. The proposed work is employed with a neural network algorithm for electing a cluster head by analyzing the residual energy, base station distance and neighbor sensor counts. The experimental work carried out in the paper indicates a betterment on survival node time and energy consumption.
提高网络寿命是所有无线传感器网络(WSN)应用的主要目标之一。聚类过程通过与附近的传感器节点组成一组来提高wsn的生存期。从组中选出一个称为簇头的主节点,用于管理从其他集群组到基本传感器节点的数据传输。此外,放置簇头以将从其传感器节点收集的信号传输到基站。对于许多WSN应用程序来说,确定一个使其成为簇头的最佳节点是一个具有挑战性的过程。该算法采用神经网络算法,通过分析剩余能量、基站距离和邻近传感器数量来选择簇头。本文所进行的实验工作表明,生存节点时间和能量消耗有所改善。
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引用次数: 1
A Hybrid Wireless Sensor Network Protocol for Time-Sensitive Emergency Operations 一种用于时间敏感紧急行动的混合无线传感器网络协议
Pub Date : 2022-06-06 DOI: 10.36548/jsws.2022.1.006
Dinesh Kumar Anguraj
Wireless sensor networks consists of nodes that are connected via wireless links and collaborate to self-organize into a network without utilizing any centralized infrastructure. Sensor networks encompass a wide range of paradigms and from that this research study focuses on the mobile networks, which recently significant potential for public/commercial environments and emergency disaster management services. Despite the hype, the wireless mobile networks are also experiencing the challenges such as communication failure, power consumption and network lifetime challenges. This paper presents a hybrid K-Means and Logistic Regression (LR) based algorithm to build a time sensitive multi hop communication to identify the shortest path to the base station and establish a flawless long distance communication. The proposed model metrics are defined to handle an emergency search and rescue operations in India. The NS2 simulator has been used to simulate the efficiency of the proposed model. The following metrics are utilized to analyse the performance: energy consumption, packet delivery ratio (PDR) and network lifetime.
无线传感器网络由节点组成,这些节点通过无线链路连接,在不利用任何集中基础设施的情况下协作自组织成网络。传感器网络涵盖了广泛的范例,因此本研究侧重于移动网络,该网络最近在公共/商业环境和紧急灾害管理服务方面具有重大潜力。尽管大肆宣传,但无线移动网络也面临着通信故障、功耗和网络寿命挑战等挑战。本文提出了一种基于k均值和Logistic回归(LR)的混合算法来构建时间敏感的多跳通信,以识别到基站的最短路径,建立完美的远程通信。拟议的模型指标是为处理印度的紧急搜索和救援行动而定义的。利用NS2仿真器对该模型的有效性进行了仿真。使用以下指标来分析性能:能耗、包交付率(PDR)和网络生命周期。
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引用次数: 3
Analysis of IoT Enabled Architecture in Various Sectors and their Challenges 分析不同行业的物联网架构及其挑战
Pub Date : 2022-05-30 DOI: 10.36548/jsws.2022.1.004
Kottilingam Kottursamy
Internet of Things (IoT) aims at being the quickest developing technology, with a huge effect on global life and manufacturing environment. The current mode of communication is either between humans or human and device; however, the concept IoT promises a bright future for the online platform where the mode of communication is machine-machine (M2M). Everything will be automated and smart, with a single tap. An effort has been made in this study to explore the key technologies, new innovative applications of IoT, as well as a comprehensive comparative literature survey. The survey helps in getting better knowledge on various real time applications and its impacts on the daily routine of human lives. The IoT tends to take numerous considerations from the commercial world and research community as a key advancement in the upcoming age of the Internet.
物联网(IoT)旨在成为发展最快的技术,对全球生活和制造环境产生巨大影响。当前的交流方式要么是人与人之间的交流,要么是人与设备之间的交流;然而,物联网概念为以机器-机器(M2M)为通信模式的在线平台带来了光明的未来。只要轻轻一点,一切都将自动化、智能化。本研究对物联网的关键技术、新的创新应用进行了探索,并进行了全面的比较文献调查。该调查有助于更好地了解各种实时应用程序及其对人类日常生活的影响。物联网往往会从商业世界和研究界得到许多考虑,作为即将到来的互联网时代的关键进步。
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引用次数: 0
Internet of Things Driven Smart Cities in Post Pandemic Era 后疫情时代的物联网驱动的智慧城市
Pub Date : 2022-05-30 DOI: 10.36548/jsws.2022.1.003
K. Rahimunnisa
The rise of the Internet of Things (IoT) driven smart cities is progressively revolutionizing different aspects of human life, including transportation, communication, health, automotive and security. Several IoT initiatives and experimental setting have been proposed in recent years to establish digital and smart infrastructures. Despite the hype, the COVID-19 pandemic still has an impact on many aspects of urban life, raising concerns about the viability of past and contemporary patterns of urban design and growth. The COVID-19 epidemic has significantly altered everyday lives, damaged the economy of several countries, affected global economic goals, and so on. In such cases, it is highly required to initiate a research discussion on the influence of COVID-19 in smart cities. Several researchers and policymakers have previously recognized the need for improved smart city infrastructure. This research study reviews the multiple research discussions that design and develop new urban planning and smart city design paradigms and models in the post-COVID period that reflect the insights gained from the pandemic. The study also discussed how smart cities innovation, operations, and preventive maintenance will be influenced after COVID-19. Finally, the proposed study concluded that the smarter cities equipped with IoT driven technologies will be able to prevent pandemics in the near future.
物联网(IoT)驱动的智慧城市的兴起正在逐步改变人类生活的各个方面,包括交通、通信、健康、汽车和安全。近年来,已经提出了一些物联网计划和实验设置,以建立数字和智能基础设施。尽管大肆宣传,COVID-19大流行仍对城市生活的许多方面产生影响,引发了人们对过去和当代城市设计和发展模式可行性的担忧。新冠肺炎疫情极大地改变了人们的日常生活,损害了一些国家的经济,影响了全球经济目标,等等。在这种情况下,迫切需要开展新冠肺炎对智慧城市影响的研究讨论。一些研究人员和政策制定者此前已经认识到改善智慧城市基础设施的必要性。本研究回顾了多项研究讨论,这些讨论旨在设计和开发后covid时期新的城市规划和智慧城市设计范式和模型,这些范式和模型反映了从大流行中获得的见解。该研究还讨论了新冠疫情后对智慧城市创新、运营和预防性维护的影响。最后,拟议的研究得出结论,配备物联网驱动技术的智慧城市将能够在不久的将来预防流行病。
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引用次数: 0
Detection of Retinal Neovascularization Using Optimized Deep Convolutional Neural Networks 基于优化深度卷积神经网络的视网膜新生血管检测
Pub Date : 2022-05-26 DOI: 10.36548/jtcsst.2022.1.006
S. Lavanya, Philip Naveen
The most common disease that is found among people across the world is Diabetes and it is predicted to increase more in the upcoming years by The World Health Organization (WHO). People who are diabetic for a longer period are more likely to have Diabetic Retinopathy (DR), an eye disease which can lead to blindness and this cannot be reversed. One of the severe stage problems of DR is Retinal Neovascularization (RN), i.e., outburst of retinal blood vessels. Residual Network (ResNet) has an effective technique called Skip or Residual Connections which solves the problem of vanishing gradient during backpropagation. ResNet50 has 50 layers which is a deep network that omits signal representations and learns from residual representations leading to predict RN with 88.97% accuracy.
世界上最常见的疾病是糖尿病,据世界卫生组织(WHO)预测,糖尿病在未来几年还会增加。长期患有糖尿病的人更容易患糖尿病视网膜病变(DR),这是一种无法逆转的眼病,可导致失明。视网膜新生血管(Retinal nevascular, RN),即视网膜血管的突出,是视网膜视网膜病变的严重阶段问题之一。残差网络(ResNet)有一种有效的技术,叫做跳过或残差连接,它解决了反向传播过程中梯度消失的问题。ResNet50有50层,这是一个深度网络,它省略了信号表示,并从残差表示中学习,从而预测RN的准确率为88.97%。
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引用次数: 5
Analogy of Machine Learning Approaches and BERT for Sentiment Analysis 情感分析中机器学习方法与BERT的类比
Pub Date : 2022-05-26 DOI: 10.36548/jitdw.2022.1.006
K. Vidya, S. Janani
For assessing customer sentiment in Amazon product reviews, this article compares two machine learning algorithms and a deep learning method, BERT (Bidirectional Encoder Representations from Transformer). Machine learning is the most practical approach in the current era of artificial intelligence for training a neural network to handle the majority of real-world issues. In this paper, the real-world scenario of sentiment analysis is considered, ideally the classification problem. Firstly, the data is provided into a model, which evaluates the feature that uses the Term Frequency (TF) and Inverse Document Frequency (IDF) pre-processing methods. Secondly, the algorithms, Naive Bayes classifier and Support Vector Machine are used to analyze the sentiment of the consumer comments and compute metrics like F1 score. Finally, the input data is fed for BERT to process and compute the F1 score. To summarize, this study is to provide a detailed comparative analysis of machine learning techniques and deep learning algorithms.
为了评估亚马逊产品评论中的客户情绪,本文比较了两种机器学习算法和一种深度学习方法BERT(来自变压器的双向编码器表示)。机器学习是当前人工智能时代训练神经网络处理大多数现实世界问题最实用的方法。本文考虑了情感分析的现实场景,理想情况下是分类问题。首先,将数据输入到模型中,利用词频(Term Frequency, TF)和逆文档频率(Inverse Document Frequency, IDF)预处理方法对特征进行评价。其次,使用朴素贝叶斯分类器和支持向量机算法分析消费者评论的情感并计算F1分数等指标。最后,将输入数据馈送给BERT来处理和计算F1分数。综上所述,本研究对机器学习技术和深度学习算法进行了详细的比较分析。
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引用次数: 0
DC-DC Converter Implementing Soft Switching Technique for AC Power Applications 实现交流电源软开关技术的DC-DC变换器
Pub Date : 2022-05-25 DOI: 10.36548/jitdw.2022.1.005
R. Shobha, S. Suntrakanesh, N. Narmadhai
Global warming alerts the world to switch over to using Electric Vehicle (EV) and Hybrid Electric Vehicles (HEV). The Bidirectional DC-DC Converter (BDC) plays a significant role in controlling the energy flow for the Battery Ultra-capacitor Energy Storage System (BUESS) which is used for storing energy in EV or HEV. The bidirectional DC-DC converter (BDC) plays a vital role in controlling the energy flow for BUESS. The bidirectional DC-DC converter performs the step-up and step-down operation at zero voltage switching, as it operates in buck and boost modes. Due to the uncertain nature of renewable energy resources they pose to be not suitable for standalone applications as the only source of power. This problem can be overcome with the aid of batteries and supercapacitors for storing energy. Fast charging is done by a supercapacitor and slow discharging by a battery. A hysteresis control loop achieves the design of charging and discharging status. A BDC in addition to an inverter can be opted and is implemented in MATLAB/Simulink, and is used in AC power applications.
全球变暖提醒世界转向使用电动汽车(EV)和混合动力电动汽车(HEV)。双向DC-DC变换器(BDC)在电池超级电容器储能系统(business)的能量流控制中起着重要的作用,该系统用于电动汽车或混合动力汽车的储能。双向DC-DC变换器(BDC)对商业电网的能量流控制起着至关重要的作用。双向DC-DC变换器在零电压开关下执行升压和降压操作,因为它在降压和升压模式下工作。由于可再生能源的不确定性,它们不适合作为唯一的电力来源单独应用。这个问题可以借助电池和超级电容器来储存能量。快速充电由超级电容器完成,慢速放电由电池完成。利用磁滞控制回路实现充放电状态的设计。除逆变器外,还可以选择BDC,并在MATLAB/Simulink中实现,用于交流电源应用。
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引用次数: 0
Design of Solar and Battery Hybrid Electric Vehicle Charging Station 太阳能与电池混合动力汽车充电站设计
Pub Date : 2022-05-25 DOI: 10.36548/jtcsst.2022.1.005
A. Kamali, V. Prasanna Moorthy
Microgrids have emerged as a new way to integrate and use large-scale distributed power to provide electricity to isolated locations, such as islands and villages. A utility engineering microgrid structure is designed to provide fast response and efficient operation by analyzing hybrid power systems and fuzzy-PI-based control techniques. This project aims to design a solar photovoltaic (PV)-battery-diesel generator-based hybrid power system employing a Sepic converter. The Perturb and Observe algorithm is used for maximum power extraction from solar panel. A lithium-ion battery is utilized as a storage battery in this system, which may be charged by the PV source. When the storage battery is depleted and PV generation is unavailable, the charging station uses the grid and a diesel generator. The generated voltage is synchronised at the Point of Common Coupling (PCC) to achieve continuous charging. The simulation is done in MATLAB/Simulink. The simulation output of using the PI control strategy is compared with the fuzzy-PI control strategy. This demonstrates the efficacy of the fuzzy-PI control method.
微电网作为一种整合和使用大规模分布式电力的新方式出现,为岛屿和村庄等偏远地区提供电力。通过对混合动力系统的分析和基于模糊pi的控制技术,设计了一种快速响应和高效运行的公用事业工程微网结构。该项目旨在设计一个太阳能光伏(PV)-电池-柴油发电机为基础的混合动力系统,采用Sepic转换器。Perturb和Observe算法用于太阳能电池板的最大功率提取。在该系统中使用锂离子电池作为储能电池,可由光伏电源对其充电。当蓄电池电量耗尽,光伏发电无法使用时,充电站使用电网和柴油发电机。产生的电压在公共耦合点(PCC)同步,以实现连续充电。仿真在MATLAB/Simulink中完成。采用PI控制策略的仿真输出与模糊PI控制策略的仿真输出进行了比较。验证了模糊pi控制方法的有效性。
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引用次数: 8
Survey on Emotion Recognition System 情绪识别系统研究进展
Pub Date : 2022-05-25 DOI: 10.36548/jitdw.2022.1.002
S. Sowmiya, J. C. Miraclin Joyce Pamila
Humans are good at making millions of facial movements during conversation. In interpersonal relationships, the human emotion sensing system is vital. At an older age, automatic emotion recognition is a trendy research problem. Emotions are expressed through personas, hand and body gestures, and facial expressions. Emotion recognition via facial expressions is one of the most important fields in the human-machine interface. The strategy of recognizing emotions from facial expressions is known as facial expression analysis. Emotions are automatically perceived by the human brain, and software that can recognise emotions has recently been developed. This technology is constantly improving, and it will ultimately be able to sense emotions as accurately as human brains. The purpose of this work is to present a survey of emotion detection research using various machine learning techniques. It also summarises the benefits, drawbacks, and limitations of current approaches, as well as the concept's evolution in research.
人类擅长在谈话中做出数百万个面部动作。在人际关系中,人的情感感知系统是至关重要的。随着年龄的增长,自动情绪识别是一个时髦的研究问题。情感是通过人物角色、手势和肢体动作以及面部表情来表达的。基于面部表情的情感识别是人机界面研究的重要领域之一。从面部表情中识别情绪的策略被称为面部表情分析。人类的大脑会自动感知情绪,最近开发出了能够识别情绪的软件。这项技术正在不断改进,它最终将能够像人类大脑一样准确地感知情绪。这项工作的目的是介绍使用各种机器学习技术的情绪检测研究的调查。它还总结了当前方法的优点、缺点和局限性,以及该概念在研究中的演变。
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引用次数: 0
Automatic Load Frequency Control of Renewable Energy Integrated Hybrid Power System 可再生能源综合混合电力系统负荷频率自动控制
Pub Date : 2022-05-25 DOI: 10.36548/jtcsst.2022.1.002
G. T. Subham, Rajeswari Ramachandran, Jeevitha Kandasamy, Reshma Muralidharan
Frequency aberration, power quality, and system instability may be caused by the general perception of Renewable Energy (RE). To control the frequency with the tolerable limit, load frequency control is being performed. Automatic Load Frequency Control (ALFC) must be provided with a proper controller. Ziegler-Nichols method is being used to tune the parameters of the Proportional-Integral-Derivative (PID) controller for Load Frequency Control of Hybrid Power System (HPS). Traditional PID controllers are capable of handling a larger varieties of rapid changes in load variations in renewable energy hybrid power systems. This work considers the HPS of 2000 MW power system including RE resources. The OP4510 is utilized for hardware-in-loop (HIL) simulation to test the accomplished controller's real-time applicability. The MATLAB simulation and the Real-Time simulator provide identical results.
对可再生能源(RE)的普遍认知可能导致频率畸变、电能质量和系统不稳定。为了将频率控制在可容忍的范围内,正在进行负载频率控制。自动负载频率控制(ALFC)必须配备适当的控制器。采用Ziegler-Nichols方法对混合动力系统(HPS)负载频率控制中的比例-积分-导数(PID)控制器参数进行整定。在可再生能源混合电力系统中,传统的PID控制器能够处理更多种类的负荷变化。本文考虑了含可再生能源的2000mw电力系统的HPS问题。利用OP4510进行硬件在环(HIL)仿真,测试所设计控制器的实时性。MATLAB仿真与实时仿真结果一致。
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引用次数: 5
期刊
Day 2 Tue, March 22, 2022
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