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SCADA implementation in microhydro power plant control and monitoring systems of screw turbine type 在螺杆涡轮机型微型水电站控制和监测系统中实施 SCADA 系统
Q4 Engineering Pub Date : 2024-05-15 DOI: 10.59018/032449
Screw turbine-type micro-hydro power plants are still controlled manually by humans when there is a change inthe electrical load on the generator output. If there is a change in the electrical load, the generator output voltage willchange, thus affecting the rotation of the turbine being used. In this case, humans are needed to manually regulate the flowof water entering the turbine to maintain the stability of the generator output voltage by controlling the sluice gate. Thewater discharge entering the screw turbine will rotate the generator through a belt/gearbox pulley transmission, thusproducing an electrical voltage at the generator output. To maintain the stability of the generator output voltage, it isnecessary to control the water discharge entering the screw turbine. The expected goal of this research is to design a controlsystem for a screw turbine type microhydro power plant to stabilize the generator output voltage and monitor the output ofa screw turbine type generator using a SCADA (Supervisory Control, and Data Aquisition) system. The method used is theresearch and development method, namely the system design stage based on secondary data that has been collected, wherethe system design includes hardware design and software design, followed by making hardware such as control panels anddevices. Software, which includes display design and leader diagrams and testing, is carried out by testing the system onsoftware, hardware, and overall system testing. From the results of the discussion and analysis, the screw turbine typemicrohydro power plant control design system was created, a load control system consisting of 6 groups and sluice gateopening control that uses an ultrasonic sensor to determine the water level. With the results of controlling the sluice gate ata door opening of 30 mm, the generator voltage is 18.42 Volts DC, DC current is 0.0 Ampere at a load of 0 watts, when theload is 30 watts the generator voltage decreases by 18.40 volts, current is 1.37 Ampere. Through the on-line monitoringsystem, electrical parameters are obtained which are displayed on the SCADA system by looking in real-time at the historyof DC voltage and DC current, DC power, and DC energy generated by the screw turbine-type DC generator. The voltageread is 18. 57 volts, current 1.37 Amperes, DC electrical power is 25.4 watts with a DC light load of 30 watts.
当发电机输出的电力负荷发生变化时,螺杆涡轮机式微型水电站仍由人工控制。如果电力负荷发生变化,发电机输出电压就会发生变化,从而影响所使用水轮机的旋转。在这种情况下,需要人工通过控制水闸来调节进入水轮机的水流,以保持发电机输出电压的稳定。进入螺旋涡轮机的水流将通过皮带/齿轮箱滑轮传动装置带动发电机旋转,从而在发电机输出端产生电压。为了保持发电机输出电压的稳定,有必要控制进入螺旋水轮机的出水量。本研究的预期目标是为螺杆涡轮机型微型水电站设计一个控制系统,以稳定发电机输出电压,并使用 SCADA(监督控制和数据采集)系统监控螺杆涡轮机型发电机的输出。所采用的方法是研究和开发方法,即根据收集到的二手资料进行系统设计阶段,系统设计包括硬件设计和软件设计,然后制作控制面板和设备等硬件。软件包括显示设计和领导图以及测试,通过对软件、硬件和整个系统的测试进行系统测试。根据讨论和分析的结果,创建了螺杆水轮机型微水电站控制设计系统,该系统由 6 组负荷控制系统和使用超声波传感器确定水位的水闸开闸控制组成。水闸开度为 30 毫米时,发电机的直流电压为 18.42 伏,直流电流为 0.0 安培,当负载为 30 瓦时,发电机的电压降低了 18.40 伏,电流为 1.37 安培。通过在线监控系统,可以实时查看螺杆涡轮直流发电机产生的直流电压、直流电流、直流电功率和直流电能的历史记录,从而获得电气参数并显示在 SCADA 系统上。电压读数为 18.直流电功率为 25.4 瓦,直流轻负载为 30 瓦。
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引用次数: 0
Towards intrusion detection in IoT using Few-shot learning 利用 "少量学习 "实现物联网中的入侵检测
Q4 Engineering Pub Date : 2024-05-15 DOI: 10.59018/032454
The Internet of Things (IoT) is an emerging technology that covers various domains and has become an essentialpart of the upcoming technological revolution. IoT applications include healthcare, smart-cities, smart-cars, industries,quality of life, and several other fields. IoT typically consists of lightweight sensor devices that facilitate procedures suchas automation, real-time trackable data collection, and data-driven decisions. However, securing IoT networks is anaccessible research area for several reasons. The main security challenges are limited resources that are incapable ofdealing with complex and advanced security tools; and lack of required data for training the security systems like Intrusiondetection systems as a result of their heterogeneous nature. This research proposed a Few-shot learning IoT intrusiondetection system model based on a Siamese network to overcome the above limitation. The model aims to classify anddistinguish normal and attacked traffic. The experiment utilized an IoT dataset in different scenarios to analyze andvalidate the behavior with three categories with different numbers of data in each. The performance result achieves morethan 99% accuracy and shows an efficient detection ability using only less than 1% of the dataset.
物联网(IoT)是一项新兴技术,涵盖各个领域,已成为即将到来的技术革命的重要组成部分。物联网的应用包括医疗保健、智能城市、智能汽车、工业、生活质量和其他一些领域。物联网通常由轻量级传感器设备组成,可促进自动化、实时可跟踪数据收集和数据驱动决策等程序。然而,由于多种原因,确保物联网网络安全是一个难以攻克的研究领域。主要的安全挑战是资源有限,无法应对复杂而先进的安全工具;以及由于入侵检测系统的异构性,缺乏训练安全系统(如入侵检测系统)所需的数据。本研究提出了一种基于连体网络的 Few-shot 学习物联网入侵检测系统模型,以克服上述局限性。该模型旨在对正常流量和攻击流量进行分类和区分。实验利用不同场景下的物联网数据集进行分析和验证,每个数据集有三个不同数量的数据类别。实验结果表明,该模型的准确率达到了 99% 以上,并且只使用了不到 1% 的数据集就显示出了高效的检测能力。
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引用次数: 0
Numerical study of aerodynamics drag and flow characteristics of the high-speed train head design 高速列车头部设计的空气动力学阻力和流动特性数值研究
Q4 Engineering Pub Date : 2024-05-15 DOI: 10.59018/032448
A native design of the Indonesian high-speed train has been developed as an improvement of the previousmedium-speed train model. As the design speed is proposed to be increased from 160 km/h to 250 km/h, the nose shapeand nose length of the train head were modified into a sharper and longer nose. In this study, numerical simulation ofcomputational fluid dynamics was used to investigate the aerodynamic phenomena and flow behavior around the modifiedtrain head and carbodies. The CFD simulation was used as the verification of the shape design and a tool for rapid designchanges and optimization. The model configuration is three cars on a real scale by ignoring other parts like the trainwindow and door, pantograph, and train connecting. A k-ε turbulence model was used in the simulation. From thisinvestigation, it is found that the coefficient of drag on the model is calculated to be 0.34. Meanwhile, an experimentalwind tunnel test validates the result with a coefficient drag is 0.38 or 10% divergence from the numerical method.
印尼高速列车的本土设计是对以前的中速列车模型的改进。由于设计速度拟从 160 公里/小时提高到 250 公里/小时,因此列车头部的形状和车头长度被修改为更尖更长的车头。本研究采用计算流体动力学数值模拟来研究改进后的列车头部和车体周围的空气动力现象和流动行为。CFD 模拟被用作形状设计的验证以及快速设计变更和优化的工具。模型配置为实际比例的三节车厢,忽略了其他部件,如列车车窗和车门、受电弓和列车连接装置。模拟中使用了 k-ε 湍流模型。研究发现,模型的阻力系数为 0.34。同时,风洞试验验证了这一结果,阻力系数为 0.38,与数值方法相差 10%。
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引用次数: 0
Analysis of subsidence zone of the village access road in Jatirunggo, Semarang Regency using microtremor data 利用微震源数据分析三宝垄地区 Jatirunggo 村庄通路的沉降区
Q4 Engineering Pub Date : 2024-05-15 DOI: 10.59018/032450
The rehabilitation of the subsidence phenomenon in Jatikurung sub-village, Jatirunggo village, PringapusSubdistrict, Semarang Regency, Central Java, has been carried out for a long time however, it has never been successful.Every time an embankment is made, it is only a matter of time before another subsidence occurs. This research aims toinvestigate the subsurface structure of the subsidence sites. It is proposed to be used as a reference for structural planningin the treatment of road subsidence. Subsurface information is very useful in addressing the subsidence problem moreeffectively and precisely. The method used was by recording microtremor data and analyzing shear wave velocity andPoisson ratio as parameters to determine the type of subsurface layer. The obtained results are in the form of clay layers tobedrock layers at a depth of 35m. The movement occurred because of the soft or loose soil below and at the edge of theroad above the impermeable clay layer. In addition, to the north side of the collapse point is a fairly deep cliff, which is aburden on the bedrock. When it was raining, the soil filled with water and there was even a flow of water in the soildeposits (piping) resulting in the ground movement toward the lower part.
中爪哇三宝垄县普林加普斯分区 Jatikurung 子村、Jatirunggo 村的沉降现象修复工作已经进行了很长时间,但从未取得成功。这项研究旨在调查沉陷地点的地下结构。建议将其作为道路沉陷处理结构规划的参考。地下信息对于更有效、更精确地解决沉陷问题非常有用。采用的方法是记录微震波数据,分析剪切波速度和泊松比作为参数,以确定地下层的类型。所获得的结果表明,在 35 米深的地层中,粘土层与基岩层之间存在移动。发生移动的原因是不透水的粘土层下方和道路边缘的土质松软。此外,塌方点北侧是一个相当深的悬崖,对基岩造成了压力。下雨时,土壤中充满了水,土坑(管道)中甚至出现了水流,导致地面向下部移动。
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引用次数: 0
The effectiveness of adding antioxidant compounds from pedada leaves extract (Sonneratia Caseolaris) in antiseptic soap production 在防腐肥皂生产中添加 pedada 叶提取物(Sonneratia Caseolaris)中的抗氧化化合物的有效性
Q4 Engineering Pub Date : 2024-05-15 DOI: 10.59018/032453
Pedada leaves (Sonneratia caseolaris) are plants from tropical areas with relatively high antioxidant content. Thisresearch aims to make antiseptic soap with the addition of pedada leaves and see the quality of the antiseptic soap by SNI03-3532-1994. This research includes the pre-treatment process, namely taking pedada leaf extract by maceration usingethanol and acetone solvents using a variety of evaporation tools in the form of a water bath and soxhlet, then making soapwith coconut oil with variations used in the form of evaporation methods and the amount of extract used. This researchanalyzed water content, free alkali, and free fatty acids. The observations showed that using a water bath would produce amore significant amount of extract. The results of the soap-free alkali analysis produced ranged from 0.061% to 0.088%,which shows that the free alkali content is still below the limit determined by SNI. The lowest water content analysisresults obtained were 11.30%.
佩达达叶(Sonneratia caseolaris)是热带地区的植物,抗氧化剂含量相对较高。本研究的目的是通过 SNI03-3532-1994 方法,制作添加了山梗菜叶的防腐肥皂,并观察防腐肥皂的质量。本研究包括前处理过程,即使用乙醇和丙酮溶剂浸渍,并使用水浴和索氏蒸发器等多种蒸发工具提取山梗菜叶提取物,然后使用椰子油制作肥皂,并在蒸发方法和提取物用量上有所变化。这项研究分析了水分含量、游离碱和游离脂肪酸。观察结果表明,使用水浴会产生更多的提取物。产生的无皂碱分析结果在 0.061% 到 0.088% 之间,这表明游离碱含量仍然低于 SNI 确定的限值。最低的含水量分析结果为 11.30%。
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引用次数: 0
Land use inspection technique affects land surface temperature from satellite data 从卫星数据看土地利用检查技术对地表温度的影响
Q4 Engineering Pub Date : 2024-05-15 DOI: 10.59018/032451
This research aims to present a land use inspection technique that affects land surface temperature from satellitedata by using Maha Sarakham province, Thailand as a case study. Procedures: 1) Analyze land use from Sentinel-2Satellite data that can be divided into 4 categories such as water, agriculture, forest, and urban, 2) Analyze land surfacetemperature from Sentinel-3 Satellite data. The study results found that urban area has the highest average surfacetemperature followed by forest area, water area, and agricultural area respectively. The analyzed data from the satellitefound the highest average surface temperature is 32.20°C. The result shows that this inspection technique can analyze landsurface temperature in other areas of the countryThis research aims to present a land use inspection technique that affects land surface temperature from satellitedata by using Maha Sarakham province, Thailand as a case study. Procedures: 1) Analyze land use from Sentinel-2Satellite data that can be divided into 4 categories such as water, agriculture, forest, and urban, 2) Analyze land surfacetemperature from Sentinel-3 Satellite data. The study results found that urban area has the highest average surfacetemperature followed by forest area, water area, and agricultural area respectively. The analyzed data from the satellitefound the highest average surface temperature is 32.20°C. The result shows that this inspection technique can analyze landsurface temperature in other areas of the country.
本研究旨在以泰国玛哈沙拉堪府为案例,介绍一种通过卫星数据影响地表温度的土地利用检测技术。研究步骤1)分析哨兵-2 号卫星数据中的土地利用情况,可分为水、农业、森林和城市等 4 类;2)分析哨兵-3 号卫星数据中的地表温度。研究结果发现,城市地区的平均地表温度最高,其次分别是森林地区、水域地区和农业地区。分析卫星数据后发现,最高的平均地表温度为 32.20°C。本研究旨在以泰国玛哈沙拉堪府为例,介绍一种通过卫星数据影响地表温度的土地利用检测技术。研究程序1)分析哨兵-2 号卫星数据中的土地利用情况,可分为水、农业、森林和城市等 4 类;2)分析哨兵-3 号卫星数据中的地表温度。研究结果发现,城市地区的平均地表温度最高,其次分别是森林地区、水域地区和农业地区。分析卫星数据后发现,最高的平均地表温度为 32.20°C。结果表明,这种检测技术可以分析该国其他地区的地表温度。
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引用次数: 0
Classification of different types of DDR RAM using transfer learning in convolutional learning networks 利用卷积学习网络中的迁移学习对不同类型的 DDR RAM 进行分类
Q4 Engineering Pub Date : 2024-04-15 DOI: 10.59018/022434
Technology, specifically computers play an important role in modern society. People who are new to computers can determine what type of RAM they have, which can be used to avoid confusion on what type of RAM their computer needs with the help of an Android device. For this study, a powerful computer with a Graphics Processing Unit (GPU) needed to be used to shorten the amount of time that the deep learning process takes. The study gathered images of 4 types of Random Access Memory for a RAM classification system. There were 1000 images in total for DDR1, DDR2, DDR3, and DDR4 RAM. The study utilized transfer learning to RAM type classification with pre-trained models such as VGG16, VGG19, Inception V3, and Xception. The data that was gathered showed that Xception is the best classifier with an initial average accuracy of 85.034% and a 100% Val_Accuracy even though the model had the longest loading time with 12 seconds.
技术,特别是计算机在现代社会中发挥着重要作用。初学电脑的人可以通过安卓设备来确定自己的内存类型,从而避免混淆电脑所需的内存类型。在这项研究中,需要使用带有图形处理器(GPU)的强大计算机,以缩短深度学习过程所需的时间。这项研究收集了 4 种随机存取存储器的图像,用于 RAM 分类系统。DDR1、DDR2、DDR3 和 DDR4 内存共有 1000 张图像。研究利用迁移学习对 RAM 类型进行分类,并使用了 VGG16、VGG19、Inception V3 和 Xception 等预训练模型。收集到的数据显示,Xception 是最好的分类器,初始平均准确率为 85.034%,Val_Accuracy 为 100%,尽管该模型的加载时间最长,需要 12 秒。
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引用次数: 0
Variation of electrical properties with temperature for polyethylene oxide doped with 0.1 wt. % iodine 掺入 0.1 重量百分比碘的聚氧化乙烯的电气性能随温度的变化
Q4 Engineering Pub Date : 2024-04-15 DOI: 10.59018/022432
The electrical properties of thin films made of polyethylene oxide (PEO) dispersed with dopants fixed amount of iodine (0.1 wt. %) were studied using the AC impedance technique. The films were prepared by electrically casting method. In this present work, the variation of AC electrical conductivity with temperatures ranging from 30 oC to 55 oC at a frequency of 200 kHz for (PEO) film doped with 0.1wt. % iodine and undoped (PEO) film were studied. Physical quantities and parameters such as AC conductivity, impedance, dielectric constant, and dielectric loss, were determined. The observed values of the impedance (Z), dielectric constant ('), dielectric loss ("), and AC-conductivity (σAC) showed temperature dependence. It was found that the dielectric constant and the dielectric loss of the prepared thin films increased with doped (0.1wt. %) iodine complexes and also increased with the increase of temperature according to the polarization processes.
采用交流阻抗技术研究了聚氧化乙烯(PEO)分散掺杂固定量碘(0.1 wt.%)薄膜的电学特性。薄膜是通过电浇铸法制备的。在本研究中,研究了在 200 kHz 频率下,掺杂 0.1 wt. % 碘的(PEO)薄膜和未掺杂的(PEO)薄膜的交流导电率随温度(30 oC 至 55 oC)的变化情况。测定了交流电导率、阻抗、介电常数和介电损耗等物理量和参数。阻抗 (Z)、介电常数 (')、介质损耗 (") 和交流电导率 (σAC) 的观测值均与温度有关。研究发现,所制备薄膜的介电常数和介电损耗随着掺杂(0.1wt. %)碘络合物的增加而增加,并且根据极化过程,也随着温度的升高而增加。
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引用次数: 0
Prediction of Gold price with comparison of forecasting methods 预测黄金价格并比较各种预测方法
Q4 Engineering Pub Date : 2024-04-15 DOI: 10.59018/022436
Gold has emerged as an extra famous and very beneficial commodity in phrases of investment. Gold has been considered, as a country wide reserved commodity for many years, which leads to very integral for the economy of any country. Most people and traders believe that gold is a protected investment from uncertainty and political chaos. The rate of motion of gold helps the buyers from the centre of attention in their investments; they make use of the year by year information from Indian Gold Council. The analysis of the data was taken from 1964 to 2020. This paper's motto is to analyze and summarize different algorithms for predicting the rate of gold. The procedures utilized to fit the data were from the Time Series analysis Auto Regressive Integrated Moving Average (ARIMA) and Neural Network models; Multi-Layer Perception (MLP) and Extreme Learning Machine (ELM). The test data were utilized for the analysis, and then the outcome was exhibited with the help of error parameters. ELM is best as compared to ARIMA and MLP. The error measures are RMSE (1634.975) and MAPE (3.002). The error measurements have been represented in the tables for ARIMA and MLP. The best prediction of Gold price was given by the ELM, which is be efficient and accurate model.
在投资方面,黄金已成为一种非常有名且非常有益的商品。多年来,黄金一直被认为是国家储备商品,这对任何国家的经济来说都是不可或缺的。大多数人和交易商认为,黄金是一种免受不确定性和政治混乱影响的投资。黄金的变动率有助于买家在投资中获得关注;他们会利用印度黄金协会提供的逐年信息。数据分析时间为 1964 年至 2020 年。本文的主旨是分析和总结预测黄金汇率的不同算法。用于拟合数据的程序包括时间序列分析自动回归综合移动平均(ARIMA)和神经网络模型;多层感知(MLP)和极限学习机(ELM)。利用测试数据进行分析,然后借助误差参数显示结果。与 ARIMA 和 MLP 相比,ELM 的效果最好。误差测量值为 RMSE (1634.975) 和 MAPE (3.002)。表中列出了 ARIMA 和 MLP 的误差测量值。ELM 对黄金价格的预测最佳,它是一个高效、准确的模型。
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引用次数: 0
A novel technique predicting the rice leaf diseases using Convolutional Neural Network 利用卷积神经网络预测水稻叶片病害的新技术
Q4 Engineering Pub Date : 2024-04-15 DOI: 10.59018/022437
Various ailments affect rice, a staple crop in India, across different stages of its growth. Identification of these diseases manually poses a significant challenge, especially for farmers lacking in-depth knowledge. Recently, there's been promising advancement in deep learning research through automated picture identification systems employing Convolutional Neural Network (CNN) models. To tackle the scarcity of rice leaf disease image datasets, we developed a deep learning model using Transfer Learning on a limited dataset. Our approach leverages VGG-16 to train and evaluate the proposed CNN architecture, drawing from rice field and internet datasets. Impressively, the model achieves a 95 percent accuracy rate. Key terms in this study include Deep Learning, Convolutional Neural Network (CNN), fine-tuning, and rice leaf diseases.
水稻是印度的主要作物,在其生长的不同阶段会受到各种病害的影响。人工识别这些病害是一项巨大的挑战,对于缺乏深入知识的农民来说尤其如此。最近,通过采用卷积神经网络(CNN)模型的自动图片识别系统,深度学习研究取得了可喜的进展。为了解决水稻叶病图像数据集稀缺的问题,我们在有限的数据集上利用迁移学习技术开发了一种深度学习模型。我们的方法利用 VGG-16 从稻田和互联网数据集中训练和评估所提出的 CNN 架构。令人印象深刻的是,该模型达到了 95% 的准确率。本研究的关键术语包括深度学习、卷积神经网络(CNN)、微调和水稻叶病。
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引用次数: 0
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ARPN Journal of Engineering and Applied Sciences
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