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2023 International Conference on Energy, Power, Environment, Control, and Computing (ICEPECC)最新文献

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Seasonal Impact on the Storage Capacity Sizing in a Renewable Energy System Under the Condition of Safe Operation 安全运行条件下季节对可再生能源系统储能规模的影响
Pub Date : 2023-03-08 DOI: 10.1109/ICEPECC57281.2023.10209523
S. Javaid, Yuto Lim, Yasuo Tan
Renewable energy sources (RESs) are now increasing as an essential portion of the power generation system. The main advantage of these RESs is environmental friendliness. However, the instability of power generation by weather conditions can highlight power quality and stability issues when connected to the main power grid. To accommodate the effects of power fluctuations, the energy storage system is an important addition to any power system with renewable power generators and dynamic power loads. Energy storage systems can help in supplying/absorbing power in a situation of excess/shortage of power. The seasonal patterns of power demand have reduced the stability of the power grid even leading to power blackouts. As a result, the optimal size of the storage system is required for efficient storage utilization. This paper proposes an optimization problem that identifies the optimal storage capacity for each season while preserving the safety conditions of the power system. Finally, the feasible solution of the optimization problem is found using Linear Programming Solver in MATLAB.
可再生能源(RESs)作为发电系统的重要组成部分正在增加。这些RESs的主要优点是环境友好。然而,受天气条件影响的发电不稳定,在与主电网连接时,会突出电能质量和稳定性问题。为了适应电力波动的影响,储能系统是任何具有可再生能源发电机组和动态电力负荷的电力系统的重要补充。储能系统可以帮助在电力过剩/短缺的情况下提供/吸收电力。电力需求的季节性模式降低了电网的稳定性,甚至导致了停电。因此,为了有效地利用存储空间,需要存储系统的最优大小。提出了在保证电力系统安全运行的前提下,确定各季节最优储能容量的优化问题。最后利用MATLAB中的线性规划求解器求出优化问题的可行解。
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引用次数: 0
Vulnerability Assessment for Primary-Backup Overcurrent Relay Coordination Deprivation Due to Virtual Power Plant 虚拟电厂主备过流继电器协调剥夺脆弱性评估
Pub Date : 2023-03-08 DOI: 10.1109/ICEPECC57281.2023.10209438
M. Rizwan, Ciwei Gao, Xingyu Yan, Gujing Lin, Yuan Gu, Minghe Wu
Variable renewable energy-based distributed generations (VRE-DG) have extensively penetrated into the conventional distribution network. A virtual power plant (VPP) can group the diversified VRE-DG into one unit. The VPP operator (VPO) can control the VRE-DG operation and coordinate with the distribution system operator (DSO) for electricity trade and economic dispatch. Thus, converting consumers into prosumers. The VPP commissioning can complex or degrade the operation of the protection system. In this paper, a detailed analysis of potential susceptibility degradation of primary-backup overcurrent relay (OCR) coordination owing to VPP is provided. Protection degradation index (PDI) is introduced and a novel strategy to emend the parameters of affected OCR according to PDI is proposed to rehabilitate the coordination among primary-backup OCR. The studied VPP includes wind turbine generator (WTG), Photovoltaic (PV), and communication station-based storage batteries (CSESB). The case studies are conducted on the Tianjin distribution network (TDN) China, modified with the incorporation of VPP to show the impact of VPP on protection coordination and proficiency of the proposed strategy.
基于可变可再生能源的分布式发电系统(VRE-DG)已广泛渗透到传统配电网中。虚拟电厂(VPP)可以将多种VRE-DG组合成一个机组。VPP运营商(VPO)可以控制VRE-DG的运行,并与配电系统运营商(DSO)协调电力贸易和经济调度。因此,将消费者转化为生产消费者。VPP调试可能会使保护系统的运行复杂化或降级。本文详细分析了VPP对主备过流继电器(OCR)协调的潜在磁化率下降的影响。引入了保护退化指数(PDI),提出了一种根据PDI修正受影响OCR参数的新策略,以恢复主备OCR之间的协调关系。所研究的VPP包括风力发电机(WTG)、光伏(PV)和基于通信站的蓄电池(CSESB)。以天津配电网(TDN)中国为例进行了案例研究,并加入了VPP,以显示VPP对所提出策略的保护协调和熟练程度的影响。
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引用次数: 0
Evaluation and Characterization of Power Generation Trainer EM-PRT-EG3ϕ for Laboratory Education 用于实验教育的发电训练器EM-PRT-EG3ϕ的评估和特性
Pub Date : 2023-03-08 DOI: 10.1109/ICEPECC57281.2023.10209465
M. Rizwan, Ciwei Gao, Muhammad Wasif, M. Waseem, M. Usama, Asad Muneer
Electrical power system (EPS) mainly comprises of three major parts i.e. power generation, transmission and distribution (PGTD). To enhance the practical and research capabilities of engineering students, laboratory education of PGTD is a crucial requirement of electrical engineering program. In this paper, the basic phenomenons related to power generation (PG) i.e. generator behavior with resistive, inductive and capacitive loads, effect of variable frequency drive (VFD), governor and voltage regulation (VR) operation, open and short circuit test of generator, $X_{d}$ and $X_{q}$ characteristics, prime mover behavior and synchronization of generator with main grid are demonstrated and investigation from laboratory point of view. The power generation trainer (PGT) model No. EM-PRT-EG $3 varphi$ is used for experiment purpose. Further, some shortcomings in the power generation trainer are highlighted. Finally, Some needful suggestions are drawn to expedite the functionality of PGT for enhancement of hand-on experience in the laboratory.
电力系统主要由发电、输电和配电三大部分组成。为了提高工科学生的实践和研究能力,电气工程专业的实验教育是电气工程专业的一项重要要求。本文从实验室的角度论证和研究了与发电有关的基本现象,即发电机在电阻性、感性和容性负载下的行为,变频驱动(VFD)的影响,调速器和电压调节(VR)的运行,发电机的开路和短路试验,$X_{d}$和$X_{q}$特性,原动机行为和发电机与主电网的同步。发电教练机(PGT)型号:EM-PRT-EG $3 varphi$用于实验目的。进一步指出了发电训练器的一些不足。最后,提出了一些必要的建议,以加快PGT的功能,以增强实验室的实践经验。
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引用次数: 0
Detection of Plant Stress Condition with Deep Learning Based Detection Models 基于深度学习的植物逆境检测模型
Pub Date : 2023-03-08 DOI: 10.1109/ICEPECC57281.2023.10209458
Mohd Shahrimie Mohd Asaari, Syahanis Shamsudin, Lin Jian Wen
Deep learning has seen significant growth in its use in agriculture over the past decade due to the environmental challenges faced by this sector. While there have been many deep learning-based approaches proposed in the literature, there are only a few that focus on the detection of plant stress symptoms. This research applied deep learning object detection methods to detect plant stress in eggplant crops during the juvenile vegetative phase. The plants were divided into three classes based on their physical condition: healthy, early stress, and severe stress. Water status, specifically drought stress, was identified as a key factor in plant stress as it can alter normal plant equilibrium and molecular changes, negatively impacting growth and productivity. Three deep learning object detection algorithms, You Only Look Once version-3 (YOLOv3), You Only Look Once version-4 (YOLOv4), and Single Shot Detector (SSD), were explored as potential methods for building a plant stress detection model. The results of the quantitative experiments on eggplant plant images showed that YOLOv3 achieved a mean average precision value of 52%, YOLOv4 achieved 83%, and SSD achieved 56%.
由于农业面临的环境挑战,在过去十年中,深度学习在农业中的应用显著增长。虽然文献中提出了许多基于深度学习的方法,但只有少数方法专注于植物胁迫症状的检测。本研究应用深度学习目标检测方法对茄子作物幼期营养期的植物胁迫进行检测。这些植物根据它们的身体状况被分为三类:健康、早期胁迫和严重胁迫。水分状况,特别是干旱胁迫,被认为是植物胁迫的关键因素,因为它可以改变植物的正常平衡和分子变化,对生长和生产力产生负面影响。探讨了You Only Look Once version-3 (YOLOv3)、You Only Look Once version-4 (YOLOv4)和Single Shot Detector (SSD)三种深度学习目标检测算法作为构建植物应力检测模型的潜在方法。茄子植物影像定量实验结果表明,YOLOv3平均精度为52%,YOLOv4平均精度为83%,SSD平均精度为56%。
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引用次数: 0
ICEPECC 2023 Cover Page ICEPECC 2023封面
Pub Date : 2023-03-08 DOI: 10.1109/icepecc57281.2023.10209545
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引用次数: 0
Few Shot Spatio-Temporal Anomaly Detection Model For Suspicious Activities 可疑活动的少镜头时空异常检测模型
Pub Date : 2023-03-08 DOI: 10.1109/ICEPECC57281.2023.10209429
Nouman Aziz, Wasif Muhammad, Irfan Qaiser, Ali Asghar, M. J. Irshad, Y. Bilal
Convolutional Neural Network (CNN) has performed better for recent application of object recognition and object detection especially for image data but problem with CNN is that they require labels as learning signals. It is quite impossible to label all types of anomalies in a particular environment. Unsupervised methods used for video anomaly detection has drawback that they require too much data so that accurate results should be produced using unlabeled data which in turn increases computational cost. For this research a Few shot anomaly detection method is introduced using spatio-temporal autoencoder model for detecting suspicious activities in videos is proposed which doesn’t require any labels during training and also has very less computational cost then traditional unsupervised deep learning methods. Spatiotemporal autoencoder model has two components. Spatial autoencoder is used for spatial feature representation while temporal autoencoder extracts features from temporal dimensions. Few shot anomaly detection technique comprises the fact that it takes few images in each batch of training loop and trains the model on those images. At last averages the learning of all images and compute the loss for reconstruction by taking average loss of all batches. Experimental results on Avenue Dataset gives better results and achieves much lesser computational cost then other unsupervised anomaly detection methods.
卷积神经网络(CNN)在最近的目标识别和目标检测应用中表现较好,特别是对图像数据,但CNN的问题是它们需要标签作为学习信号。在一个特定的环境中标记所有类型的异常是完全不可能的。用于视频异常检测的无监督方法的缺点是需要太多的数据,因此需要使用未标记的数据产生准确的结果,这反过来又增加了计算成本。本文提出了一种利用时空自编码器模型检测视频可疑活动的少镜头异常检测方法,该方法在训练过程中不需要任何标记,而且与传统的无监督深度学习方法相比,计算成本也非常低。时空自编码器模型由两个部分组成。空间自编码器用于空间特征表示,时间自编码器从时间维度提取特征。少拍异常检测技术是指在每批训练循环中选取少量的图像,并在这些图像上训练模型。最后对所有图像的学习进行平均,并取所有批次的平均损失来计算重建的损失。与其他无监督异常检测方法相比,在Avenue数据集上的实验结果得到了更好的结果,并且计算成本更低。
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引用次数: 0
Investigation of Optimum Phase Change Material for PV Panels in Malaysian Climatic Conditions 马来西亚气候条件下光伏板最佳相变材料的研究
Pub Date : 2023-03-08 DOI: 10.1109/ICEPECC57281.2023.10209533
Asif Durez, Muzaffar Ali, Sudhakar Kumarasamy
Due to an immense increase in population and technological developments, energy demand is growing at a rapid rate across the world. To overcome this issue, it is important to opt for a limitless, economical renewable energy source for energy demand. This paper presents a methodology for selecting the most suitable phase change material that can effectively reduce the PV panels temperature, thereby improving their overall efficiency and output. The climate conditions of Malaysia are under research in this paper. Monthly and Daily analysis is carried out for two Malaysian cities (Kuala Lumpur and Pahang). Phase Change Materials having a melting point of 21°C and 27°C named RT21 and RT27 respectively are used in combination to predict the best result. To determine the most suitable phase-changing material, a daily and monthly analysis was performed on two distinct climatic zones identified within the Koppen Climate Classification, namely Af and Cfb. Af climate is related to tropical humid climate while Cfbis focused on oceanic climate. The conclusions drawn from this research suggest that the using PCM RT21 results in the cooling of PV panel surface temperature, causing a consequent expansion in efficiency and electrical output of 2% and 6%, respectively. While with PCM RT27 these numbers are not that much significant. Using PCM with a melting point of 21°C, the maximum cell temperature can be lowered from 32°C to 25°C in Kuala Lumpur and 33°C to 26°C in Pahang duiing the hottest month of May. The results show that PCM-RT21 is appropriate for cooling PV systems for climate classification of (Cfb) and (Af) as compared to PCM-RT27.
由于人口的巨大增长和技术的发展,世界各地的能源需求正在快速增长。为了克服这个问题,选择一种无限的、经济的可再生能源来满足能源需求是很重要的。本文提出了一种选择最合适的相变材料的方法,可以有效地降低光伏板的温度,从而提高其整体效率和产量。本文研究了马来西亚的气候条件。每月和每日的分析进行了两个马来西亚城市(吉隆坡和彭亨)。结合熔点为21°C和27°C的相变材料,分别命名为RT21和RT27来预测最佳结果。为了确定最合适的相变材料,对Koppen气候分类中确定的两个不同的气候带(即Af和Cfb)进行了每日和每月的分析。Af气候与热带湿润气候有关,Cfbis气候则与海洋性气候有关。本研究得出的结论表明,使用PCM RT21可以降低光伏面板表面温度,从而使效率和输出功率分别提高2%和6%。而对于PCM RT27,这些数字并不那么重要。使用熔点为21°C的PCM,在5月份最热的月份,吉隆坡的最高电池温度可以从32°C降至25°C,彭亨州的最高电池温度可以从33°C降至26°C。结果表明,与PCM-RT27相比,PCM-RT21适用于气候类型为(Cfb)和(Af)的光伏制冷系统。
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引用次数: 0
Attention-Based Approach for Cassava Leaf Disease Classification in Agriculture 基于注意力的农业木薯叶病分类方法
Pub Date : 2023-03-08 DOI: 10.1109/ICEPECC57281.2023.10209444
Simon Peter Khabusi, Prishika Pheroijam, Satchidanand Kshetrimayum
Cassava is a food crop that is rich in carbohydrates. However, the crop is vulnerable to many diseases. Research has revealed that image recognition using machine learning and deep learning techniques can be applied in automatic identification of cassava leaf diseases. Therefore this study focuses on using strongly discriminative features of the leaf regions affected by disease and weakening regions of low interest to improve the classification accuracy. A convolutional block attention module (CBAM) is a common attention mechanism integrated in feed-forward convolutional neural networks. In this study, CBAM is added to the pretrained ResNet50 and VGG19 models to recognize the cassava leaf regions affected by disease. This is done by sequentially inferring attention maps along two dimensions, channel and spatial for every intermediate feature map. The attention maps are then multiplied to the input feature map for adaptive feature refinement. The performance of baseline models such as EfficientNet, ResNet50, Inceptionv3, and Xception is compared with the attention-based models trained, validated and tested on a public dataset from Makerere University AI laboratory. ResNet50+CBAM achieve the highest performance with accuracy of 97%, precision of 96%, recall of 94% and F-measure of 95%. Conclusively, attention-based models perform better than the baseline models with a performance improvement of over 1%.
木薯是富含碳水化合物的粮食作物。然而,这种作物易受许多疾病的侵害。研究表明,利用机器学习和深度学习技术的图像识别可以应用于木薯叶片病害的自动识别。因此,本研究着重利用受病害影响的叶片区域和低兴趣减弱区域的强判别特征来提高分类精度。卷积块注意模块(CBAM)是一种集成在前馈卷积神经网络中的常见注意机制。在本研究中,将CBAM加入到预训练的ResNet50和VGG19模型中,以识别受疾病影响的木薯叶片区域。这是通过对每个中间特征图沿两个维度、通道和空间顺序推断注意图来完成的。然后将注意图与输入特征图相乘以进行自适应特征细化。将基线模型(如EfficientNet、ResNet50、Inceptionv3和Xception)的性能与在Makerere大学人工智能实验室的公共数据集上训练、验证和测试的基于注意力的模型进行比较。ResNet50+CBAM达到了最高的性能,准确率为97%,精密度为96%,召回率为94%,F-measure为95%。最后,基于注意力的模型比基线模型表现得更好,性能提高超过1%。
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引用次数: 0
Carcinoembryonic Antigens Segmentation and Quantitative Analysis from Fluorescent Images using Principal Component Analysis and Adaptive K-means Clustering 基于主成分分析和自适应k均值聚类的癌胚抗原荧光图像分割与定量分析
Pub Date : 2023-03-08 DOI: 10.1109/ICEPECC57281.2023.10209525
M. A. Aslam, Shahzadi Mahnoor, Muhammad Asif Munir, Saman Cheema, Khawaja Humble Hassan, Abdullah Sajid
Now fluorescent scan images are extensively used for the detection of antigens. The identification and treatment of the tumor is done with the help of these images The speed of detection is the major part for such systems. Although, bulk of research has already been done, segmentation of images is the area still need improvement. Characterization of the images is difficult task due to the diverse nature of the input images. This paper presents a novel method for the segmentation. The segmentation is done using superpixels. In the proposed algorithm the super pixels are studied on the basis of their average value. This value is computed with the help of Principal component analysis and then PCA system is utilized to compute a feature vector corresponding to the each superpixel. The stated method was implemented in MATLAB 2017. Our system integrates a series of algorithms. These algorithms are used for quantitative image analysis.
目前,荧光扫描图像被广泛用于抗原的检测。肿瘤的识别和治疗是借助这些图像完成的,检测速度是这类系统的主要部分。虽然已经做了大量的研究,但图像分割仍然是需要改进的领域。由于输入图像的多样性,对图像进行表征是一项困难的任务。本文提出了一种新的分割方法。分割是使用超像素完成的。在该算法中,基于超像素的平均值对其进行研究。通过主成分分析计算该值,然后利用主成分分析系统计算每个超像素对应的特征向量。所述方法在MATLAB 2017中实现。我们的系统集成了一系列的算法。这些算法用于定量图像分析。
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引用次数: 0
Assessing the Environmental Consequences of ICEVs and BEVs in Dhaka City via Vehicle Fleet Modeling and Support Vector Regression 基于车队建模和支持向量回归的达卡城市电动汽车和纯电动汽车环境后果评估
Pub Date : 2023-03-08 DOI: 10.1109/ICEPECC57281.2023.10209499
M. Rasheduzzaman, A. Doulah, Ramit Kumar Sadhukhan, M. M. Hossain
The majority of Dhaka’s transportation system consists of internal combustion engine vehicles (ICEVs) that use gasoline and compressed natural gas (CNG). Incorporation of battery electric vehicles (BEVs) can help to lessen air pollution caused by the automobiles’ exhaust systems. The impact of ICEVs on Dhaka’s air pollution, particularly based on the average speed and types of fuels used, have not yet been thoroughly studied. In this work, the emissions produced by the fleet of ICEVs already on the road and the emission decrease that would occur if electric vehicles were gradually brought to the city of Dhaka are predicted. It has been determined that the adoption of EVs will greatly lower emissions of greenhouse gases (GHGs) and particulate matter (PM). According to our analysis, the CO2, NOx, and PM2.5 emissions can be lowered by 4.76%, 7.93%, and 8.96% respectively by 2050 using the existing primary energy sources for generating electricity, however the SO2 emissions will rise by 27S.34%. In the case of a primary energy mix with reduced emission factors, it has been observed that S.95%, 9.5S%, and 9.12% reductions in CO2, NOx, and PM2.5 emissions, respectively, can be derived from the same number of EV integration by 2050, whereas SO2 emission will increase by 57.47%.
达卡的交通系统主要由使用汽油和压缩天然气(CNG)的内燃机车辆(icev)组成。电池电动汽车(BEVs)的结合可以帮助减少汽车排气系统造成的空气污染。icev对达卡空气污染的影响,特别是根据平均速度和使用的燃料类型,尚未得到彻底研究。在这项工作中,预测了已经上路的ICEVs车队产生的排放量,以及如果电动汽车逐渐引入达卡市将会产生的排放量减少。已经确定,采用电动汽车将大大降低温室气体(ghg)和颗粒物(PM)的排放。根据我们的分析,到2050年,利用现有的一次能源发电,二氧化碳、氮氧化物和PM2.5的排放量可以分别降低4.76%、7.93%和8.96%,而二氧化硫的排放量将增加27.34%。在降低排放因子的一次能源结构的情况下,研究发现,到2050年,相同数量的电动汽车整合可以使二氧化碳、氮氧化物和PM2.5排放量分别减少95.5%、9.5%和9.12%,而二氧化硫排放量将增加57.47%。
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引用次数: 0
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2023 International Conference on Energy, Power, Environment, Control, and Computing (ICEPECC)
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