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2021 3rd International Conference on Electrical, Control and Instrumentation Engineering (ICECIE)最新文献

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A Study on Mechanical Power Transmission of the Human Body Using an All Four Limbs Based Energy Harvester 基于四肢能量采集器的人体机械动力传输研究
G. A. P. Jaiiitli, R. Wijesiriwardana, W. Wijayapala
Four limbs-based energy harvester is an equipment that converts human mechanical power into electrical power using a DC generator-based electrical system. The study was conducted to identify the human mechanical power transmission of a four limbs-based energy harvester and to determine the minimum, maximum and average electrical power, a person can generate through upper and lower limbs of the body. This paper discusses the working principle of the energy harvester, the power generation of the lower limbs, the power generation of the upper limbs, the instantaneous change in power with phase difference in hand and leg crank angles and the average change in power with crank angular frequency. The variation in input power given by the four limbs (hands and legs) of a person and the variation in electrical power output with time are analyzed using simulation models, while changing the pedal cycle time and phase difference between the hand pedal crank and the leg pedal crank. The results of the study is used to determine how much power a person can generate with their upper and lower limbs separately and how to achieve maximum stable electrical power output from the all four limbs-based energy harvester.
四肢能量采集器是一种利用直流发电机为基础的电力系统将人的机械能转化为电能的设备。本研究旨在确定基于四肢的能量采集器的人体机械动力传输,并确定人体通过上肢和下肢可以产生的最小、最大和平均电功率。本文讨论了能量采集器的工作原理、下肢发电、上肢发电、手、腿曲柄角度相位差瞬时功率变化和曲柄角频率平均功率变化。利用仿真模型,分析了在改变踏板周期时间和手蹬曲柄与腿蹬曲柄的相位差的情况下,人的四肢(手和腿)输入功率的变化以及输出电功率随时间的变化。研究结果用于确定一个人的上肢和下肢分别可以产生多少能量,以及如何从基于四肢的能量收集器中获得最大稳定的电力输出。
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引用次数: 0
Real-time Face Mask Detection Using Deep Learning on Embedded Systems 基于嵌入式系统的深度学习实时人脸检测
Vidal Wyatt M. Lopez, P. Abu, M. R. Estuar
Coronavirus disease (COVID-19) is an infectious disease, which is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) that was identified in December 2019 in Wuhan, China [1], [2]. It is a pandemic that causes respiratory disorder and is transmitted through sneezing droplets of infected individuals. These droplets can fall on the objects around the effected and enter a healthy individual through contact. Major symptoms of this disease include lethargy, dry cough, followed by fever [3]. The number of cases is surging dramatically, raping developed and undeveloped countries together [3]. According to the World Health Organization (WHO) COVID-19 weekly epidemiological Update for 29th of December there are 79 million infected cases and 1.7 million deaths globally. This pandemic not only affects our health but also affects our livelihood. In the absence of specific treatment or a vaccine, non-pharmaceutical interventions (NPI) form the backbone of the response to the COVID-19 pandemic. These NPI includes physical distancing, regular hand washing, and wearing a face mask. This study aims to help with the monitoring of these NPIs specifically wearing face masks using deep learning. This study implements face mask detection and recognition system that automatically detects and recognizes if a person is wearing a Medically approved face mask, Non-Medically approved face mask, or not wearing a mask at all. This study has determined that MobileNetV1 model has shown the best performance regarding classification (79%) and processing speed up to 3.25 fps.
冠状病毒病(COVID-19)是由2019年12月在中国武汉发现的严重急性呼吸综合征冠状病毒2型(SARS-CoV-2)引起的一种传染病[1],[2]。它是一种引起呼吸系统疾病的大流行疾病,通过感染者的打喷嚏飞沫传播。这些飞沫会落在受影响者周围的物体上,并通过接触进入健康的人体内。该病的主要症状为嗜睡、干咳、发热[3]。病例数量急剧上升,发达国家和不发达国家同时遭受强奸[3]。根据世界卫生组织(世卫组织)12月29日的COVID-19每周流行病学更新,全球有7900万例感染病例和170万例死亡。这场大流行不仅影响我们的健康,也影响我们的生计。在缺乏特异性治疗或疫苗的情况下,非药物干预措施(NPI)构成了应对COVID-19大流行的支柱。这些NPI包括保持身体距离、定期洗手和戴口罩。本研究旨在利用深度学习技术帮助监测这些戴口罩的非营利性组织。本研究实现了口罩检测和识别系统,该系统自动检测和识别一个人是否戴着医学认可的口罩,非医学认可的口罩,或者根本没有戴口罩。本研究确定MobileNetV1模型在分类方面表现最佳(79%),处理速度高达3.25 fps。
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引用次数: 2
Designing Augmented Reality and Chatbot as tourist assistants: Case Study West Manggarai 增强现实和聊天机器人作为旅游助理的设计:以西曼加莱为例
Yohanes Eudes Hugo Maur, Suyoto
Indonesia is an archipelagic country that offers various exciting tourist attractions, making Indonesia a beautiful country for foreign tourists and local tourists. To provide a different experience for tourists visiting Indonesia, the authors want to apply Augmented Reality (AR) and Chatbot as assistants for tourists. The concept of the system to be developed is that with AR, users can use the camera on a smartphone to get information about the details of tourist attractions and MSME products seen from magazines or posters in Labuan Bajo. The engineered system is also equipped with a chatbot. With this Chatbot, users can interact with systems related to tourist attractions and MSME products (Micro Small and Medium Enterprises) like Customer Service. The expected result is that with engineered software, tourists can be helped in exploring and exploring tourist attractions in Indonesia and can help MSMEs in promoting their products through an engineered system
印度尼西亚是一个群岛国家,提供各种令人兴奋的旅游景点,使印度尼西亚成为外国游客和当地游客的美丽国家。为了给到访印尼的游客提供不一样的体验,作者希望应用增强现实(AR)和聊天机器人作为游客的助手。该系统的概念是,通过增强现实技术,用户可以使用智能手机上的摄像头,从纳闽巴霍岛的杂志或海报上获取有关旅游景点和中小微企业产品的详细信息。该工程系统还配备了一个聊天机器人。有了这个聊天机器人,用户可以与旅游景点和MSME产品(微型中小企业)相关的系统进行交互,比如客户服务。预期的结果是,通过工程软件,可以帮助游客探索和探索印度尼西亚的旅游景点,并可以通过工程系统帮助中小微企业推广其产品
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引用次数: 1
Low-Cost Automatic Test Equipment for Digital ICs Using DE0-Nano - Altera Cyclone IV FPGA 基于DE0-Nano - Altera Cyclone IV FPGA的数字集成电路低成本自动测试设备
Lahiru Nawarathna, Nalith Udugampola, Yasara Yasawardhana, Thilina W. Weerasinghe, S. Thayaparan
With the advancement of technology, the digital Integrated Circuit (IC) design process has become more complex and denser. Hence, the IC testing procedure requires high-end test equipment to validate the accuracy and reliability of the manufactured components. Testers with such capabilities usually cost millions of dollars. In this paper, the authors have presented a low-cost hardware and software solution for digital IC testing. Digital ICs which operate under the 100MHz range can be easily tested in the digital domain with the FPGA-based test environment. The presented design comprises of a scalable architecture with a set of clock synchronized Altera DE0-Nano Field Programmable Gate Arrays (FPGAs) which handles the digital testing of Device Under Test (DUT) at a low cost. The digital test patterns are generated inside a computer, which transfers them to the FPGA environment and feeds them to DUT. The resulting patterns captured by the FPGAs are sent back to the computer, where they are compared with the expected results. The design prototype made by the authors of this paper consists of 48 digital input/ output channels which can source and capture bit streams parallelly to test digital ICs up to 100MHz frequency. Furthermore, the prototyped tester consists of electrical measuring instruments that can measure voltages with a 10mV accuracy and currents with a 10µA accuracy.
随着技术的进步,数字集成电路(IC)的设计过程变得越来越复杂和密集。因此,IC测试程序需要高端测试设备来验证制造组件的准确性和可靠性。拥有这种能力的测试器通常要花费数百万美元。本文提出了一种低成本的数字集成电路测试硬件和软件解决方案。使用基于fpga的测试环境,可以轻松地在数字域测试工作在100MHz范围内的数字ic。提出的设计包括一个可扩展的体系结构,具有一组时钟同步的Altera DE0-Nano现场可编程门阵列(fpga),它以低成本处理被测设备(DUT)的数字测试。数字测试模式在计算机内部生成,计算机将其传输到FPGA环境并将其馈送到DUT。由fpga捕获的结果模式被发送回计算机,在那里它们与预期结果进行比较。本文的设计原型由48个数字输入/输出通道组成,这些通道可以并行地输入和捕获比特流,以测试高达100MHz频率的数字ic。此外,原型测试仪由电气测量仪器组成,可以测量精度为10mV的电压和精度为10 μ a的电流。
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引用次数: 1
Non-Intrusive Load Monitoring for High Power Consuming Appliances using Neural Networks 基于神经网络的高功耗电器非侵入式负荷监测
W. Wickramarachchi, P. H. Panawenna, J. Majuran, V. Logeeshan, S. Kumarawadu
The topic of Energy Conservation requires urgent attention worldwide to avoid the impending energy crisis and reduce the impact on the environment through emissions. A crucial step in energy conservation is to motivate individual consumers to reduce their consumption. Itemized energy consumption feedback on each appliance helps users to plan their consumption patterns in an optimum way. Non-intrusive load monitoring is a low-cost and low-maintenance method for identifying consumptions of individual devices from the aggregate data of the mains supply. However, high power-consuming devices with power patterns with varying states are generally difficult to identify, despite them making a huge impact on the overall consumption of a household. Research shows that machine learning techniques are a promising approach for this disaggregation process. This paper focuses on developing data preprocessing methods and neural network algorithms to accurately disaggregate four common household appliances including ones with multistate power patterns.
为了避免迫在眉睫的能源危机,减少排放对环境的影响,节能这个话题需要全世界的迫切关注。节约能源的一个关键步骤是激励个人消费者减少他们的消费。每个设备的逐项能耗反馈可以帮助用户以最佳方式规划他们的消费模式。非侵入式负载监测是一种低成本和低维护的方法,用于从主电源的汇总数据中识别单个设备的消耗。然而,具有不同状态的电源模式的高能耗设备通常难以识别,尽管它们对家庭的总体消耗产生了巨大影响。研究表明,机器学习技术是解决这一分解过程的一种很有前途的方法。本文重点研究了数据预处理方法和神经网络算法,以准确分解四种常见的家用电器,包括具有多状态功率模式的家用电器。
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引用次数: 2
Detecting Fraudulent Transactions using Hybrid Fusion Techniques 利用混合融合技术检测欺诈交易
Yashowardhan Shinde, Akalbir Singh Chadha, Ajitkumar Shitole
Fraud is one of the most extensive ethical issues in the Financial (Banking) industry. The research aims to create a robust model for predicting fraudulent transactions based on the transactions made by the consumer in the past and present, compare as well as analyse different algorithms that best suit our needs. This paper also focuses on handling the imbalance in the datasets as well as creating a Machine Learning model with high Accuracy, F1-score, AUC, Precision as well as Recall which is achieved using a fusion method in which models are selected from the tested classifiers like Logistic Regression, XGBoost, Random Forest Classifier, Fusion Model, Gaussian NB, and SGDClassifier. Only the models with values of every metric above a certain threshold are selected to churn out maximum performance from the model. The model proposed in this paper uses a probability-based weighted average function for the prediction of fraudulent transactions which yielded a 99% score over all the considered metrics.
欺诈是金融(银行)行业最广泛的道德问题之一。这项研究的目的是根据消费者过去和现在的交易情况,建立一个强大的模型来预测欺诈交易,比较和分析最适合我们需求的不同算法。本文还侧重于处理数据集中的不平衡,以及使用融合方法创建具有高精度,f1分数,AUC,精度和召回率的机器学习模型,该方法从测试过的分类器中选择模型,如逻辑回归,XGBoost,随机森林分类器,融合模型,高斯NB和SGDClassifier。只有每个指标的值都高于某个阈值的模型才会被选中,以便从模型中获得最大的性能。本文提出的模型使用基于概率的加权平均函数来预测欺诈交易,该函数在所有考虑的指标中获得99%的分数。
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引用次数: 1
Optimization of Reconfigurable Islanded Microgrids using Random Forest Classifier 基于随机森林分类器的可重构孤岛微电网优化
Nestor Vazquez, Manou Rosenberg, Tat Kei Chau, Xinan Zhang, T. Fernando, Herbert Ho Ching Iu
In this paper, a classifier is developed as an approach to find the optimal configuration of islanded microgrids. In islanded microgrids with high penetration of renewable sources, the power generation may be intermittent and unpredictable. Moreover, even when forecast information is available, the non-dispatchable nature of these generation units further limits the control variables needed to formulate and address an optimization problem. In this regard, reconfigurable microgrids allow controlled changes in the grid topology to redirect and redistribute the power flow, in order to optimize and/or improve the system resiliency. In these scenarios, the optimization variables are the binary status (closed/open) of the controllable switches, which makes the problem particularly suitable to be addressed by decision classification trees. In this study, the optimization objective is power loss minimization, subject to the system constraints of power flow and supply/demand balance. Initially, a decision tree classifier is introduced and tested on a simple 9bus islanded system, to identify and categorize different generation and loading level profiles of the system and learn from them the optimal configurations. After that, a random forest classifier is designed as an ensemble of decision trees with enhanced capabilities. A time-series learning component is also implemented to boost the time-related learning characteristics of the classifier, such as trend and seasonality, which are inherent to the power generation levels of renewable energy sources. The proposed random forest classifier is tested on the modified IEEE 33bus islanded microgrid test system. Simulation results show the random forest classifier, when sufficiently trained, is able to find the optimal configuration of the microgrid to any new generation and loading profile.
本文开发了一种分类器来寻找孤岛微电网的最优配置。在可再生能源普及率高的孤岛微电网中,发电可能是间歇性的和不可预测的。此外,即使有预测信息,这些发电机组的不可调度特性也进一步限制了制定和解决优化问题所需的控制变量。在这方面,可重构微电网允许电网拓扑结构的可控变化来重新定向和重新分配功率流,以优化和/或提高系统的弹性。在这些场景中,优化变量是可控开关的二进制状态(关闭/打开),这使得问题特别适合用决策分类树来解决。本研究的优化目标是在潮流和供需平衡的约束下,使系统的功率损耗最小化。首先,介绍了决策树分类器,并在一个简单的9总线孤岛系统上进行了测试,以识别和分类系统的不同发电和负载水平概况,并从中学习最优配置。然后,将随机森林分类器设计为具有增强功能的决策树集合。还实现了一个时间序列学习组件,以增强分类器的时间相关学习特征,例如趋势和季节性,这些特征是可再生能源发电水平固有的。在改进的IEEE 33bus孤岛微电网测试系统上对所提出的随机森林分类器进行了测试。仿真结果表明,随机森林分类器在经过充分训练后,能够找到适合任何新一代和负荷的最优微电网配置。
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引用次数: 1
Heart Rate Variability and Breathing Rate Variability Analysis During Four Limbs Exercise 四肢运动时心率变异性和呼吸变异性分析
K. Bandara, R. Wijesiriwardana
In this study, a four limbs-based exercise equipment was used to examine the effects on heart rate variability (HRV) and breathing rate variability (BRV) during lower limbs, upper limbs, and all four limbs exercise. As a result, a significant reduction of HRV and BRV was observed between the start and the end of each type of exercise. Further comparison between statistics of HRV and BRV information revealed that the minimum coefficient of variance of both HRV and BRV occurred during all limbs exercise, the minimum HRV and BRV were observed during lower limbs exercise and the highest mean of HRV and the highest mean of BRV were detected during upper limbs exercise. Therefore, it is suggested that different variations in HRV and BRV parameters can occur during different types of physical activities which can be useful to distinguish as the lower limbs, upper limbs, or all limbs activities.
在这项研究中,使用一种基于四肢的运动设备来检测下肢、上肢和所有四肢运动对心率变异性(HRV)和呼吸速率变异性(BRV)的影响。结果,在每一种运动的开始和结束之间观察到HRV和BRV的显著降低。进一步比较HRV和BRV信息的统计,发现HRV和BRV的方差系数在所有肢体运动中均最小,HRV和BRV均在下肢运动中最小,HRV均值和BRV均值均在上肢运动中最高。因此,建议在不同类型的身体活动中,HRV和BRV参数可能发生不同的变化,可以区分为下肢、上肢或所有肢体活动。
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引用次数: 2
Cholera Disease Detection using Fuzzy Logic Technique 用模糊逻辑技术检测霍乱
Swati Jayade, D. Ingole, M. D. Ingole, Aditya Tohare
In this research paper, a fuzzy based system is presented for the diagnosis of cholera disease. It provides decision support platform to the scientists, researchers, physicians and healthcare practitioners in cholera disease area. The given fuzzy expert system contains major components as; the Fuzzification, Knowledge base, Inference engine and Defuzzification module. This system is implemented based on observations of patients, medical diagnosis and the expert’s knowledge. The system is developed based on Mamdani's fuzzy inference system. It does the reasoning and inference the data from the rules designed. In this method in order to get the decision results majorly the symptoms considered are like mild, moderate and severe. To do the experimental analysis and study thirty patients of cholera disease are selected and considered. The outcomes are calculated and checked with domain knowledge experts. This system will be helpful for making the cholera diagnosis as the medical practitioners can directly input the symptoms and will get the results to take the decision.
本文提出了一种基于模糊的霍乱疾病诊断系统。它为霍乱领域的科学家、研究人员、医生和保健从业人员提供决策支持平台。给定的模糊专家系统包含以下主要组成部分:模糊化、知识库、推理引擎和去模糊化模块。该系统是基于对患者的观察、医学诊断和专家知识来实现的。该系统是在Mamdani模糊推理系统的基础上开发的。它根据所设计的规则对数据进行推理和推理。在该方法中,为了得到决策结果,主要考虑的症状有轻度、中度和重度。选取30例霍乱患者进行实验分析和研究。结果由领域知识专家计算和检查。该系统将有助于医生直接输入症状,并将得到的结果进行决策,从而对霍乱进行诊断。
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引用次数: 4
A Fault Detection Method Based on SIFT Algorithm 基于SIFT算法的故障检测方法
Qi Huan, Hongyu Yi, Daolin Qu, Chunyuan Wang, Dianchun Bai
This paper, based on an improved SIFT algorithm, is applied to the vision system of a plug-in machine. The purpose is to judge whether a part of the component to be inserted is damaged or deflected. SIFT algorithm has many good characteristics, but there are a lot of redundant points and mismatched points in the matching results. In this paper, an improved SIFT algorithm is proposed, and a more simple and intuitive method is adopted to filter out a large number of redundant points and mismatched points in the SIFT feature matching results, which is applied to the special case of insert machine to identify the damage and deflection Angle of a part of the component.
本文基于改进的SIFT算法,将其应用于插入式机器的视觉系统。目的是判断要插入的部件的某一部分是否损坏或偏转。SIFT算法具有许多良好的特性,但在匹配结果中存在大量的冗余点和不匹配点。本文提出了一种改进的SIFT算法,采用一种更简单直观的方法,过滤掉SIFT特征匹配结果中的大量冗余点和不匹配点,并将其应用于插齿机的特殊情况,用于识别部件某部分的损伤和偏转角度。
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引用次数: 0
期刊
2021 3rd International Conference on Electrical, Control and Instrumentation Engineering (ICECIE)
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