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2022 International Conference on Emerging Trends in Electrical, Control, and Telecommunication Engineering (ETECTE)最新文献

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Robust Method of Lithium Ion Coin Half-Cell Fabrication 锂离子硬币半电池制造的稳健方法
M. S. Arsha, Jawad Arif, Zubair Rehman
Lithium Ion batteries have found their applications in consumer electronics, the defense sector, Photovoltaic (PV) systems, and Electric Vehicles (EV) due to their immense benefits when compared to their counterparts such as high charge density, life cycles, long battery life, and low discharge. Due to the boom in EVs and increasing demand for energy storage options, a lot of research is being carried out to increase the capacity of Li-ion batteries with decreased size and charging rates. For that, electrode material composition, ratios, and electrolytes play a vital role to get the best from the Li-ion battery fabrication in terms of energy density. In this study, the half-cell (Coin) fabrication method is presented for academic researchers and industrial R&D for material selection. The study presents the complete method of fabrication of Li-ion coin cells for the researchers to enable them to fabricate their high-quality half-coin cells with good reproducibility of half cells. The study also presents the chemistry of the electrochemical cells and requirements of the material selection for Anode, cathode, and electrolyte. By following the mentioned method, Half-cell is fabricated. The equivalent model of the Li-ion half-cell is discussed along with Galvanostatic measurements at different C rates. It was verified that the higher the C rates, the lower the capacity of the cell.
锂离子电池已经在消费电子产品、国防部门、光伏(PV)系统和电动汽车(EV)中得到了应用,因为与同类产品相比,锂离子电池具有高电荷密度、寿命周期、长电池寿命和低放电等巨大优势。由于电动汽车的蓬勃发展和对储能选择的需求不断增加,人们正在进行大量研究,以增加锂离子电池的容量,同时减小尺寸和充电速率。为此,电极材料的组成、比例和电解质对于获得最佳的锂离子电池能量密度起着至关重要的作用。在本研究中,提出了半电池(硬币)制造方法,供学术研究人员和工业研发人员选择材料。该研究为研究人员提供了完整的锂离子硬币电池制造方法,使他们能够制造高质量的半硬币电池,并具有良好的半电池重现性。研究还介绍了电化学电池的化学性质以及对阳极、阴极和电解质材料选择的要求。采用上述方法制备了半电池。讨论了锂离子半电池的等效模型,并在不同的C速率下进行了恒流测量。实验证明,C率越高,电池容量越低。
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引用次数: 0
Real-Time Detection, Recognition, and Surveillance using Drones 使用无人机进行实时探测、识别和监视
Ayesha Mariam, Memoona Mushtaq, M. Iqbal
Modern Artificial Intelligence (AI) developments urge that the evolved technology will impact our daily lives. Speculation drawn from AI literature proves that AI is growing rapidly. Due to AI, a lot of attention is derived to security surveillance. Implementation of AI in monitoring terms, is costly as it requires many infrastructures and human resources. Also, monitoring of one or multiple cameras feeds for a single source without missing the important points is nearly impossible. There is a need for real security system that is cheaper yet competent. It should manage a fast and easy way to moderate in an emergency cases like fire or weapon detection. Drones are widely used in security surveillance as they cut the cost of human resources. Also it gives fast and efficient responses in critical situations. Proposed methodology is used to avoid cases like fire breakout or intruder in sensitive areas. It contains Unnamed Arial Vehicle (UAV) for real time detection, recognition and monitoring. The video stream obtained by UAV is processed using proposed technique and results are made for three types of detection. These three detection types are Intruder, Object, and Smoke & fire. The results of them are send to control unit so that it can perform some action according to the situation. The accuracy of the suggested technique is measured both in regular and extreme situations, which is 98.93% in regular and extreme cases, 97.82% for smoke and fire & 91.63% for intruder cases.
现代人工智能(AI)的发展促使这种进化的技术将影响我们的日常生活。从人工智能文献中得出的推测证明,人工智能正在迅速发展。由于人工智能,安全监控受到了很多关注。在监测方面实施人工智能是昂贵的,因为它需要许多基础设施和人力资源。此外,监控单个源的一个或多个摄像机馈送而不遗漏关键点几乎是不可能的。我们需要一个真正的安全系统,既便宜又能干。在火灾或武器探测等紧急情况下,它应该以一种快速简便的方式进行调节。无人机被广泛用于安全监控,因为它们减少了人力资源成本。此外,它还能在危急情况下做出快速有效的反应。提出的方法可以避免火灾突发或闯入敏感区域的情况。它包含用于实时检测、识别和监控的未命名Arial Vehicle (UAV)。利用该技术对无人机获取的视频流进行处理,并对三种类型的检测结果进行了分析。这三种检测类型是入侵者,对象和烟雾与火灾。它们的结果被发送到控制单元,以便控制单元可以根据情况执行一些动作。在常规和极端情况下,该方法的准确率分别为98.93%、97.82%和91.63%。
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引用次数: 0
Cardiovascular Disease Detection Using Multiple Machine Learning Algorithms and their Performance Analysis 基于多种机器学习算法的心血管疾病检测及其性能分析
Zainab Ali, Noman Naseer, Hammad Nazeer
Heart problems have proven to be lethal all around the world. Cardiovascular diseases like cardiac rhythm disorders, heart failure, congenital heart diseases, etc. are the leading cause of death. In this disease, the heart fails to provide enough blood to other body regions to allow it to perform its regular functions. Cardiovascular disease is detected by traditional invasive procedures such as CT and angiography but they have their limitation to combat such problems and limitations, therefore early and precise diagnosis of this disease is needed for avoiding further damage to patients and protecting their lives in advance. The modern world required intelligent and modern solutions thus in this regard computational strategies built on intelligent machine learning systems have been discovered to be more accurate and effective in the identification of heart disease. This study aimed to develop a system that integrates multiple machine learning algorithms, including K-nearest Neighbor, Naïve Byes, Linear Regression, Decision Tree, and Random Forest, which are used to detect cardiovascular disease. Five machine learning algorithm models were developed and their performances were observed based on several other performance indicators like accuracy, Precision, F1-score, Macro Average, and Weighted average among two target classes i.e. Presence and absence of cardiovascular disease. Classification reports generated against each model were utilized to assess the efficacy and strength of the constructed model.
心脏病在世界各地都被证明是致命的。心律失常、心力衰竭、先天性心脏病等心血管疾病是导致死亡的主要原因。在这种疾病中,心脏不能向身体其他部位提供足够的血液,以使其发挥正常功能。心血管疾病的检测是通过传统的侵入性程序,如CT和血管造影,但它们在解决这些问题和局限性方面存在局限性,因此需要及早准确诊断这种疾病,以避免对患者造成进一步的伤害,提前保护他们的生命。现代世界需要智能和现代的解决方案,因此在这方面,建立在智能机器学习系统上的计算策略已经被发现在识别心脏病方面更加准确和有效。该研究旨在开发一个集成多种机器学习算法的系统,包括k -最近邻居,Naïve Byes,线性回归,决策树和随机森林,用于检测心血管疾病。开发了五种机器学习算法模型,并根据两个目标类别(有无心血管疾病)的准确性、精度、f1分数、宏观平均和加权平均等其他几个性能指标来观察它们的性能。针对每个模型生成的分类报告被用来评估所构建模型的有效性和强度。
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引用次数: 0
Functional Link NN based Adaptive Fuzzy Control for Nonlinear Dynamic Systems 基于函数链神经网络的非线性动态系统自适应模糊控制
Muhammad Tahir Abbas, R. Badar
Since their inception, fuzzy logic and its variants involving neural networks have witnessed tremendous applications in the area of identification and control of nonlinear dynamic plants. Fuzzy logic being the universal approximator becomes more powerful when combined with inherent learning capability of Neural Networks (NNs). This research presents a novel adaptive fuzzy control based on Functional Link NNs (FLNNs). The Laguerre orthogonal polynomials have been used for functional expansion of FLNNs. The parameter adaptation and thus the shape of the membership functions and weights of the polynomials of FLNNs are adapted online based on gradient descent optimization technique. Finally, the proposed control scheme has been checked for its performance using comparative evaluation with conventional control schemes applied to different nonlinear plants. The nonlinear time domain simulation results and their quantitative analysis validate the superior performance of the proposed adaptive fuzzy FLNN control.
自模糊逻辑及其变体神经网络出现以来,模糊逻辑及其变体神经网络在非线性动态对象的识别和控制领域得到了广泛的应用。模糊逻辑作为一种通用逼近器,与神经网络的固有学习能力相结合,使其变得更加强大。提出了一种基于功能链路神经网络(flnn)的自适应模糊控制方法。将拉盖尔正交多项式用于flnn的泛函展开。基于梯度下降优化技术,在线自适应flnn的参数,从而自适应隶属函数的形状和多项式的权值。最后,通过与传统控制方案在不同非线性对象上的对比评价,验证了所提控制方案的性能。非线性时域仿真结果及其定量分析验证了所提出的自适应模糊FLNN控制的优越性能。
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引用次数: 0
The Role of Activation Function in Neural NER for a Large Semantically Annotated Corpus 激活函数在大型语义标注语料库的神经NER中的作用
Muhammad Saad Amin, Luca Anselma, A. Mazzei
Information extraction is one of the core fundamentals of natural language processing. Different recurrent neural network-based models have been implemented to perform text classification tasks like named entity recognition (NER). To increase the performance of recurrent networks, different factors play a vital role in which activation functions are one of them. Yet, no studies have perfectly analyzed the effectiveness of the activation function on Named Entity Recognition based classification task of textual data. In this paper, we have implemented a Bi-LSTM-based CRF model for Named Entity Recognition on the semantically annotated corpus i.e., GMB, and analyzed the impact of all non-linear activation functions on the performance of the Neural Network. Our analysis has stated that only Sigmoid, Exponential, SoftPlus, and SoftMax activation functions have performed efficiently in the NER task and achieved an average accuracy of 95.17%, 95.14%, 94.38%, and 94.76% respectively.
信息提取是自然语言处理的核心基础之一。不同的基于递归神经网络的模型已经被用于执行文本分类任务,如命名实体识别(NER)。为了提高递归网络的性能,不同的因素起着至关重要的作用,激活函数是其中之一。然而,目前还没有研究很好地分析了激活函数在基于命名实体识别的文本数据分类任务中的有效性。本文在语义标注语料库GMB上实现了一个基于bi - lstm的命名实体识别CRF模型,并分析了所有非线性激活函数对神经网络性能的影响。我们的分析表明,只有Sigmoid、Exponential、SoftPlus和SoftMax激活函数在NER任务中有效地执行,平均准确率分别为95.17%、95.14%、94.38%和94.76%。
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引用次数: 0
EEG-based Engagement Index for Video Game Players 基于脑电图的电子游戏玩家粘性指数
Ghulam Ruqeyya, Tehmina Hafeez, Sanay Muhammad Umar Saeed, Aleeza Ishwal
Modern era has changed the lifestyle of the people with technological advancement. Video games have become an integral part of daily entertainment for society. This study proposes an engagement index for a video game using electroencephalography (EEG) and compares its result with existing indices available in the literature. This study employs the use of a 14-channel Emotiv EPOC headset for evaluating the engagement of the players in a video game. The study utilizes the dataset of 10 volunteer participants available on Kaggle. Previously available engagement index calculation techniques utilized three or more features while we propose the use of only two features i.e., theta AF3 and alpha P7 for the calculation of the player's engagement index. Results depict that our proposed index is statistically similar to previous indices, while it needs only two electrodes to gauge player engagement. Additionally, these indices can also differentiate between an expert and a novice player. Thus, it is a step towards the improvement of player experience using dynamic difficulty adjustment (DDA).
现代科技的进步改变了人们的生活方式。电子游戏已经成为社会日常娱乐不可或缺的一部分。本研究提出了一种使用脑电图(EEG)的电子游戏粘性指数,并将其结果与现有文献中的指数进行比较。本研究使用14通道Emotiv EPOC耳机来评估玩家在视频游戏中的参与度。这项研究利用了Kaggle上10名志愿者的数据集。之前可用的用户粘性指数计算技术使用了三个或更多功能,而我们建议只使用两个功能,即theta AF3和alpha P7来计算玩家的用户粘性指数。结果显示,我们提出的指数在统计上与之前的指数相似,而它只需要两个电极来衡量玩家粘性。此外,这些指标也可以区分专家和新手玩家。因此,这是使用动态难度调整(DDA)改善玩家体验的一个步骤。
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引用次数: 0
Machine Learning for Area-Wide Monitoring of Surface Level Concentration of NO2 Using Remote Sensing Data 利用遥感数据进行全区域NO2地表浓度监测的机器学习
Ehtasham Naseer, Abdul Basit, Muhammad Khurram Bhatti, M. A. Siddique
Nitrogen dioxide (NO2) is one of the six gaseous air pollutants that need regular monitoring in big cities around the world. It contributes to particle pollution and can trigger chemical reactions that lead to increased concentration of ozone in the troposphere. Lahore, a metropolitan city of Pakistan is among the most polluted cities in the world. Area-wide monitoring of NO2 is necessary in this region to devise a long-term emission control policy. However, it lacks a dense network of ground-based air quality monitoring stations (AQMS), which is need of the hour. The installation of AQMS requires huge financial resources. In this paper, we investigate a machine learning-based approach to estimate surface level concentration of NO2 using remote sensing and modeled meteorological data. We use multiple linear regression (M1) and a polynomial fitted regression (M2) techniques to model ambient NO2, using remotely sensed vertical column density (VCD) of NO2, acquired by tropospheric monitoring instrument (TROPOMI), onboard Sentinel 5P satellite, and modeled meteorological parameters such as surface pressure, dew point temperature, and wind speed. Results show that M2 outperformed M1 with an $mathbf{R}^{2}$ value of 0.49 and root mean square error (RMSE) value of $mathbf{19}.mathbf{27} mu mathbf{g}/mathbf{m}^{3}$. There is a moderate positive correlation between in-situ measurements and remotely sensed VCD of NO2, which makes it an interesting problem that needs to be explored further to achieve desirable results.
二氧化氮(NO2)是世界各大城市需要定期监测的六种气态空气污染物之一。它会造成颗粒物污染,并可能引发化学反应,导致对流层臭氧浓度增加。拉合尔是巴基斯坦的一个大都市,是世界上污染最严重的城市之一。为了制定长期的排放控制政策,有必要在该地区进行全区域的二氧化氮监测。然而,它缺乏一个密集的地面空气质量监测站(AQMS)网络,这是当前需要的。AQMS的安装需要巨大的财政资源。在本文中,我们研究了一种基于机器学习的方法,利用遥感和模拟气象数据来估计地表NO2浓度。利用Sentinel 5P卫星对流层监测仪器(TROPOMI)遥感获取的NO2垂直柱密度(VCD)数据,并模拟地表压力、露点温度和风速等气象参数,采用多元线性回归(M1)和多项式拟合回归(M2)技术对环境NO2进行建模。结果表明,M2优于M1,其$mathbf{R}^{2}$值为0.49,均方根误差(RMSE)值为$mathbf{19}。mathbf{27} mu mathbf{g}/mathbf{m}^{3}$。NO2的原位测量值与遥感VCD之间存在适度的正相关关系,这是一个有趣的问题,需要进一步探索才能取得理想的结果。
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引用次数: 1
HMSIW Miniaturized Bandpass Filter Loaded with Two Elliptic Complementary Split-Ring Resonators for S-Band Applications 小型带通滤波器加载两个椭圆互补分环谐振器的s波段应用
Hichem Boubakar, M. Abri, A. Akram, M. Benaissa, Sarosh Ahmad
In this paper, a new technique for bandpass filter minimization is presented. This technique uses ellipsoidal-shaped complementary split-ring resonators (ECSRR) loaded onto a half-mode substrate-integrated waveguide (HMSIW) structure. One ECSRR is loaded into the upper conductive layer while the other is loaded into the lower one. A comparison is made between the simulation results of a filter with one ECSRR and a filter with the proposed new technique. The efficiency of using the additional ECSRR is shown, and the filter design for both cases performed well. Moreover, the results are validated using two different simulation software. The proposed device has many possible applications in modern communication systems and upcoming communications innovations.
本文提出了一种新的带通滤波器最小化技术。该技术将椭球形互补裂环谐振器(ECSRR)加载到半模基板集成波导(HMSIW)结构上。一个ECSRR被加载到上层导电层,另一个被加载到下层导电层。并将单ECSRR滤波器与采用新技术的滤波器的仿真结果进行了比较。使用附加ECSRR的效率得到了证明,两种情况下的滤波器设计都表现良好。并利用两种不同的仿真软件对结果进行了验证。所提出的设备在现代通信系统和即将到来的通信创新中有许多可能的应用。
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引用次数: 0
Performance Analysis Of Dual Axis Solar Tracking System Actuated Through Serial Manipulators 串联机械手驱动的双轴太阳跟踪系统性能分析
S. S. Farooq, Junaid Attique, S. A. Ahmad, M. Farooq, Mumtaz A. Qaisrani
Solar power being the most promising form of renewable energy, sun trackers significantly increase the photovoltaic (PV) system's ability to generate power. A dual-axis solar tracker is proposed here in order to demonstrate effective solar power. To maximize power output, the tracker actively monitors the sun and adjusts its location at the desired angle for maximum output. Light dependant resistors and Arduino-operated control circuit drive linear manipulators for the movement of solar panels, a cloud monitoring system is attached here for the power generation and load of varying information. Static and dynamic variations of the panel were done and maximum power and efficiency was recorded and analyzed.
太阳能是最有前途的可再生能源形式,太阳跟踪器显著提高了光伏(PV)系统的发电能力。本文提出了一种双轴太阳能跟踪器,以演示有效的太阳能发电。为了最大限度地提高功率输出,跟踪器主动监测太阳,并在所需的角度调整其位置,以获得最大的输出。光敏电阻和arduino操作的控制电路驱动太阳能电池板运动的线性机械手,这里附加了一个云监控系统,用于发电和加载各种信息。完成了面板的静态和动态变化,并记录和分析了最大功率和效率。
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引用次数: 1
Modeling and Parametric Investigation of Vibration Energy Harvesting using Bimorph Piezoelectric Beam with a Tip Mass 带有尖端质量的双晶圆压电梁振动能量收集建模及参数化研究
Salman Khan, Muhammad Sohail Anwar Malik, S. Ahmad, Massab Junaid, Sadia Bakhtiar
The development of self, low-power, and wireless electronic devices or systems has led to a strong interest in the field of energy harvesting and the development of mini generators. To power small electronic devices, energy is harvested from ambient energy sources using piezoelectric energy harvesting (PEH) materials. For this purpose, parametric investigation of a bimorph morph beam with a tip mass at the free end was performed using the Simscape model. Due to the excitation of the external sinusoidal force, the beam deforms and becomes polarized. An electric circuit was used to extract the voltage to power small electronic devices (SEDs), or it can also be stored in a battery for later utilization. First, a beam of six different PEMs was studied, and found that PZT-5A has the highest output voltage. Then the PZT-5A was further investigated to see the effect of length, width, thickness of PEM, tip mass, and frequency of excitation force on the output voltage generation. The results show that the length, width, excitation frequency, and amplitude of the excitation force, tip mass, and thinner PEM can increase output voltage generation. Energy harvesting is one of the basic desires for the Internet of Things (IoT) and 5G to power sensors, micro-electro-mechanical systems (MEMS), and other small electronic devices.
自我、低功耗和无线电子设备或系统的发展引起了人们对能量收集和小型发电机开发领域的浓厚兴趣。为了给小型电子设备供电,使用压电能量收集(PEH)材料从环境能源中收集能量。为此,使用Simscape模型对自由端有尖端质量的双晶型光束进行了参数化研究。由于外部正弦力的激励,梁发生变形并发生极化。电路用于提取电压,为小型电子设备(SEDs)供电,或者也可以将其存储在电池中以供以后使用。首先,研究了六个不同的PEMs的光束,发现PZT-5A具有最高的输出电压。然后对PZT-5A进一步研究PEM的长度、宽度、厚度、针尖质量和励磁频率对输出电压产生的影响。结果表明,长度、宽度、激振频率、激振力幅值、针尖质量和更薄的PEM都能增加输出电压的产生。能量收集是物联网(IoT)和5G为传感器、微机电系统(MEMS)和其他小型电子设备供电的基本愿望之一。
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引用次数: 0
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2022 International Conference on Emerging Trends in Electrical, Control, and Telecommunication Engineering (ETECTE)
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