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VOLUME-8 ISSUE-10, AUGUST 2019, REGULAR ISSUE最新文献

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Optimal Age-Based Preventive Maintenance Policy for a System Subject to Cumulative Damage Degradation and Random Shocks 累积损伤退化和随机冲击下系统基于年龄的最优预防性维护策略
Pub Date : 2021-06-30 DOI: 10.35940/ijitee.g8972.0610821
W. Akpan, A. Okon, E. J. Awaka-Ama
This research investigates the problem of cumulative degradation and random shocks a system like a centrifugal pump may experience during normal and adverse operating conditions. An accelerated life testing method was employed to determine the degradation of the pump under cumulative damage degradation and random shocks conditions. An age- Based policy was used to determine the optimum time interval that will minimize the total expected cost of the system. The random shock increases the number of failures and hence reduces the reliability of the system. The total expected preventive maintenance cost obtained varies from N1700.00 (One thousand seven hundred naira) to N16,000.00 (sixteen thousand naira), depending on the shock and shock duration. The methodology presented is useful and thus recommended for use to study cumulative damage degradation and random shocks for similar systems.
本研究探讨了离心泵等系统在正常和不良运行条件下可能遇到的累积退化和随机冲击问题。采用加速寿命试验方法确定了泵在累积损伤退化和随机冲击条件下的退化情况。使用基于年龄的策略来确定将使系统总预期成本最小化的最佳时间间隔。随机冲击增加了故障次数,降低了系统的可靠性。预计获得的预防性维护费用总额从N1700.00(一千七百奈拉)到n16000.00(一万六千奈拉)不等,取决于冲击和冲击持续时间。所提出的方法是有用的,因此推荐用于研究类似系统的累积损伤退化和随机冲击。
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引用次数: 0
A Novel Current-Mode Multifunction Inverse Filter using Single CFA 一种新型的单CFA电流型多功能反滤波器
Pub Date : 2021-06-30 DOI: 10.35940/ijitee.h9235.0610821
Anisur Rehman Nasir, S. N. Ahmad
A novel current-mode multifunction inverse filter configuration using single current feedback amplifier (CFA) is presented. The proposed filter employs only one CFA and few passive components. The proposed circuit realizes inverse lowpass, inverse bandpass and inverse highpass filter functions with proper admittances. The characteristics of proposed multifunction inverse filter configuration are- current-mode realization; use of only one CFA; use of grounded passive components except one virtually grounded and realizing all three basic inverse filters. The proposed current-mode inverse filter circuit has been tested by TINA PRO simulation program and results justified the theoretical analysis.
提出了一种基于单电流反馈放大器的新型电流型多功能反滤波器结构。该滤波器仅采用一个CFA和少量无源元件。该电路实现了具有适当导纳的反低通、反带通和反高通滤波功能。所提出的多功能反滤波器配置的特点是:电流模式实现;仅使用一种CFA;使用接地的无源元件,除一个虚接地外,实现所有三个基本反滤波器。本文提出的电流型反滤波电路通过TINA PRO仿真程序进行了测试,验证了理论分析的正确性。
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引用次数: 0
Wireless Sensor Based Forest Fire Early Detection with Online Remote Monitoring 基于无线传感器的森林火灾早期在线远程监测
Pub Date : 2021-06-30 DOI: 10.35940/ijeat.e2670.0610521
Shobana Mahalingam, Meka Sai Deep, K. Krishna
Since most countries have an extensive forestresources, there are often, if not constantly, fires that erupt in thesecountries from these causes. The majority of vulnerable areas arefound in warm climates. Since its highest elevation is a hundredand theta, this piece of infrastructure enables substantialvegetation, but since summers are hot and arid, the risks anoverload. When global warming gets more intense, these types ofdisasters will become more frequent and worse. Much more land inthe seasonal forest fires have been lost each year due to adestructive cutting practises, the old forestry, as well as assets, suchas private residences and other structures. Additionally, it putsfirefighters and the general public at risk, who on an equal scalesuffer from a lot of death and illness each year. this sensor,microprocessor, and network technology] developed greatlyexpanded our] so we are now able to reliably detect the currentspread of forest fires and begin to respond quickly to theirprogression. After natural timberland fires are set, which arefrequent in remote regions where trees have not been selectivelylogged, they burn down into tinder, then new trees grow from seedsin their ashes, the older ones' fuel die and that spread. These piecesare particularly susceptible to being set on fire, which is anexcellent location for matches and pyrotechnics. Although many amidsummer's day can cause a flame to erupt, the wick to expand, itcan also be stoked by the normal process of human activities likesmoking or using a heat source. Start running the process just assoon as the components are ready to go up in the flame. As thebreeze expands the flame, the basic element of the vapour gets builtup.
由于大多数国家拥有广泛的森林资源,因此这些国家经常(如果不是经常)因这些原因而发生火灾。大多数脆弱地区都在温暖的气候中。由于它的最高海拔是100度,这片基础设施可以提供大量的植被,但由于夏季炎热干旱,风险会超载。当全球变暖变得更加强烈时,这些类型的灾难将变得更加频繁和严重。由于破坏性采伐、旧森林以及私人住宅和其他建筑等资产,每年在季节性森林火灾中损失的土地要多得多。此外,它还将消防员和普通公众置于危险之中,他们每年都会遭受大量的死亡和疾病。这种传感器、微处理器和网络技术的发展极大地扩展了我们的工作范围,因此我们现在能够可靠地探测到当前森林火灾的蔓延,并开始对其发展做出快速反应。在树木没有被选择性砍伐的偏远地区,自然林地火灾是很常见的,它们燃烧成火种,然后新的树木在灰烬中从种子中生长出来,老树的燃料死亡,然后蔓延开来。这些碎片特别容易被点燃,这是放置火柴和烟火的绝佳地点。虽然仲夏的许多日子会导致火焰爆发,灯芯膨胀,但它也可以通过人类活动的正常过程,如吸烟或使用热源来点燃。当组件准备好放入火焰中时,立即开始运行该过程。当微风使火焰膨胀时,蒸汽的基本元素就会聚集起来。
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引用次数: 1
IoT Based Smart Agriculture Aid System using Raspberry Pi 基于物联网的智能农业援助系统使用树莓派
Pub Date : 2021-06-30 DOI: 10.35940/ijeat.e2767.0610521
Priyanka Bhardwaj, A. Srivastava, A. Pandey, A. Singh, B. Tripathi
Agriculture is the worldwide one of the mostimportant occupation of human being, nearly about 64% of totalavailable land on earth is occupied by the agriculture sector,which results in comsuming 85% of fresh water. This percentageof water consumption increases every year due to globalizationand fulfilling human needs. Every country face challenge tosustain the fresh food requirement and reducing the farm waterconsumption. Сurrently, the fаrmers look over at irrigаtiоnmethоds mаnuаlly аnd irrigаte their аreа on a constantroutine рeriоd. These process acquire large аmоunt оf wаterand as a result water is wasted. Therefоre, Raspberry Piсоmmuniсаtiоn system is preferred beсаuse оf its easyoperation, mаintenаnсe аnd cost. This prototype is automatedwhich will irrigate the crop by detecting the moisture content andalso will keep an eye on the soil quality.
农业是世界范围内人类最重要的职业之一,地球上近64%的可用土地被农业部门占用,这导致消耗了85%的淡水。由于全球化和满足人类需求,这一比例每年都在增加。每个国家都面临着维持新鲜食品需求和减少农场用水量的挑战。在Сurrently上,这些人看到了“灌溉”,“灌溉”,“灌溉”,“灌溉”他们的“灌溉”,他们的“灌溉”,在一个固定的“灌溉”上。这些过程占用了大量的资源,造成了水的浪费。因此,树莓莓(Raspberry)、Raspberry (Raspberry)、Raspberry (Raspberry)、Raspberry (Raspberry)、Raspberry (Raspberry)和Raspberry (Raspberry)系统是首选。这个原型是自动化的,它将通过检测水分含量来灌溉作物,也将密切关注土壤质量。
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引用次数: 1
Evaluation of Supervised Classification Techniques on Twitter Data using R 基于R的Twitter数据监督分类技术评价
Pub Date : 2021-06-30 DOI: 10.35940/ijitee.h9266.0610821
Annie Syrien, M. Hanumanthappa, K. Ravikumar
The phenomenal development of the World Wide Web has resulted in enormous social networking sites producing tremendous data on web 2.0. Social networking sites have widened to a higher degree of use, in which any field of information can be sort by researchers. Data obtained from social media has strategized from many new machine learning algorithms and natural language processing. The data is unstructured; mining the data leads to finding important sentiments about various entities via appropriate classification techniques. In this paper, tweets’ opinions are analyzed through machine learning algorithms such as naive Bayes and support vector machines using R programming; results are computed and compared. The SVM model manifests the higher precision, and naïve Bayes provides higher accuracy for sentiment analysis on the Bengaluru traffic data.
万维网的惊人发展导致了大量的社交网站在web2.0上产生了大量的数据。社交网站的使用范围已经扩大到更高的程度,研究人员可以对任何领域的信息进行分类。从社交媒体获得的数据已经通过许多新的机器学习算法和自然语言处理进行了策略化处理。数据是非结构化的;挖掘数据可以通过适当的分类技术找到关于各种实体的重要情感。本文使用R编程,通过朴素贝叶斯和支持向量机等机器学习算法分析推文的观点;对结果进行了计算和比较。SVM模型表现出更高的精度,naïve贝叶斯对班加罗尔交通数据的情感分析提供了更高的精度。
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引用次数: 0
Survey on Online Log Parsers 在线日志解析器的调查
Pub Date : 2021-06-30 DOI: 10.35940/IJEAT.E2816.0610521
S. Tejaswini, Azra Nasreen
Technological dependence is growing in leaps andbounds as days progress. As a result, software applications arerequired to be up and running at all times without fail. Thehealth and safety of these applications need to be monitoredregularly by theuse of constant logging of any faults that occurat their runtime executions. Log analysis techniques areapplied to recorded logsto obtain a better overview of how tohandle failures and health deterioration. Before thesealgorithms can be utilized in practice, the raw unstructured logsneed to be converted into structured log events. This process isperformed by log parsers, which are accessible in two differentmodes – offline and online. While offline log parsers have a predefined knowledge base containing templates and conversionrules, online log parsers learn new templates on the job. Thispaper focuses on surveying and creating a comparative study ononline log parses by analysing the type of technique used,efficiency and accuracy of the parser on a given dataset, timecomplexity, and their effectiveness in motivating applications.
随着时代的进步,对技术的依赖正在突飞猛进地增长。因此,软件应用程序必须始终处于启动和运行状态,而不会出现故障。这些应用程序的健康和安全需要通过使用运行时执行时发生的任何错误的持续日志来定期监控。日志分析技术应用于记录的日志,以便更好地了解如何处理故障和健康状况恶化。在实际应用这些算法之前,需要将原始的非结构化日志转换为结构化日志事件。这个过程是由日志解析器执行的,它可以在两种不同的模式下访问——离线和在线。离线日志解析器有一个预定义的知识库,其中包含模板和转换规则,而在线日志解析器在工作中学习新的模板。本文的重点是通过分析所使用的技术类型、给定数据集上解析器的效率和准确性、时间复杂性以及它们在激励应用程序中的有效性,来调查和创建在线日志解析的比较研究。
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引用次数: 0
Design of SMPS Buck Converter with Protection Circuits for Automotive Charger 车载充电器带保护电路的SMPS降压变换器设计
Pub Date : 2021-06-30 DOI: 10.35940/ijitee.h9264.0610821
Raveena Jokim Crastha Ms., M. Roopa
The automotive manufacturers are working towards enhancing sophisticated designs and technologies that enable better vehicle-user connectivity by integrating all the control units to one infotainment system. This key feature with high-level intelligence and competency plays an important role with an increase in demand in the production process of the automotive industry. This paper proposes a unique design of USB smart charger module that is designed in a way to fit into limited space in a front panel of the vehicle. The specific design methodology of the DC-DC SMPS buck converter with the protection circuits which serves as the important section of the smart charger is explained. The module is designed with both single and double port that are identical to each other. Each of these models provides effective connectivity of devices in the vehicle network with secured over-current, over-voltage and short circuit protection circuitry. The configuration of controllers and connectors used is implemented in Altium. The functionality of the system designed is examined and verified in TINA-TI tool.
汽车制造商正致力于提高复杂的设计和技术,通过将所有控制单元集成到一个信息娱乐系统中,实现更好的车辆用户连接。随着汽车工业生产过程中需求的增加,这一具有高水平智能和能力的关键特征发挥着重要作用。本文提出了一种独特的USB智能充电器模块设计,该模块的设计方式适合于车辆前面板有限的空间。介绍了作为智能充电器重要组成部分的DC-DC SMPS降压变换器及其保护电路的具体设计方法。该模块具有相同的单端口和双端口。这些型号中的每一种都提供了车辆网络中设备的有效连接,并具有安全的过流,过压和短路保护电路。使用的控制器和连接器的配置在Altium中实现。在TINA-TI工具中对所设计系统的功能进行了测试和验证。
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引用次数: 0
Effects of Polypropylene Fibers on the Mechanical Performance of a 3D Printable Mix 聚丙烯纤维对3D打印混合料力学性能的影响
Pub Date : 2021-06-30 DOI: 10.35940/ijitee.f8775.0610821
Ankit Pal, A. Prof
Application of automation in construction work has now become need of the hour. Automation in construction work can be done by implementing a technique known as additive manufacturing technique. Use of additive manufacturing in construction sector has the potential to bring fourth industrial revolution by using 3D concrete printers. This paper is based ona parametric experimental study to evaluate the effect of Polypropylene (PP) fibers on mechanical properties of a 3D printable concrete. PP fibers were used invaryingpercentage ratio of 0.02, 0.04, 0.08, 0.12 and 0.16 of binder at constant W/B ratio.
自动化技术在建筑施工中的应用已刻不容缓。建筑工作的自动化可以通过实施一种被称为增材制造技术的技术来完成。通过使用3D混凝土打印机,在建筑领域使用增材制造有可能带来第四次工业革命。通过参数化试验研究了聚丙烯纤维对3D打印混凝土力学性能的影响。在一定的W/B比下,以不同的粘结剂比例分别为0.02、0.04、0.08、0.12和0.16的PP纤维为原料。
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引用次数: 1
Virtual Sketch using Open CV 使用Open CV的虚拟草图
Pub Date : 2021-06-30 DOI: 10.35940/ijitee.h9262.0610821
Pranavi Srungavarapu, Eswar Pavan Maganti, Srilekkha Sakhamuri, Sai Pavan Kalyan Veerada, Anuradha Chinta
Virtual Sketch is in where we can draw by just capturing the motion of a colored marker with a camera. One colored object at the tip of the finger is mainly used as the marker. We are here now, using the techniques of computer vision in open cv to build this project. The required language for this project is python due to its more exhaustive libraries and easy to make use of the syntax and but understanding the basics as well as it can be implemented in any open cv supported languages The colour tracking and detection processes are used to achieve the goal of this project. The color marker here used is detected and mask is produced. The next steps of morphological operations on the mask produced those are Erosion and Dilation. Erosion makes the impurities present in the mask to get reduced and Dilation further regains the eroded main mask.
虚拟素描是在哪里,我们可以通过捕捉一个相机彩色标记的运动来绘制。在指尖的一个彩色物体主要用作标记。我们现在在这里,使用open cv中的计算机视觉技术来构建这个项目。这个项目所需的语言是python,因为它有更详尽的库和易于使用的语法,但理解基础知识以及它可以在任何开放的cv支持的语言中实现。颜色跟踪和检测过程用于实现这个项目的目标。检测这里使用的颜色标记并制作掩膜。接下来的形态学操作产生了这些是侵蚀和扩张。侵蚀使面膜中的杂质减少,膨胀使被侵蚀的主面膜进一步恢复。
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引用次数: 4
Dielectric Elastomer Grippers 介电弹性体夹具
Pub Date : 2021-06-30 DOI: 10.35940/ijeat.e2548.0610521
Mills Patel, Rudrax Khamar, Akshat Shah, Tej shah, Bhavik Soneji
This paper appraisals state-of-the-art dielectricelastomer actuators (DEAs) and their forthcoming standpoints assoft actuators which have freshly been considered as a crucialpower generation module for soft robots. DEs behave as yieldingcapacitors, expanding in area and attenuation in thickness whena voltage is applied. The paper initiates with the explanation ofworking principle of dielectric elastomer grippers. Here theoperation of DEAs include both physics and mechanicalproperties with its characteristics, we have describe methods formodelling and its introductory application. In inclusion, theartificial muscle based on DEA concept is also formallypresented. This paper also elaborates DEAs popular applicationsuch as- Soft Robotics, Robotics grippers and artificial muscles.
本文评价了最先进的介电体致动器(dea)及其作为软致动器的未来立场,软致动器最近被认为是软机器人的关键发电模块。当施加电压时,de表现为屈服电容器,面积扩大,厚度衰减。本文首先阐述了介电弹性体夹持器的工作原理。在这里,dea的操作包括物理和力学性质及其特点,我们描述了建模方法及其介绍性应用。本文也正式提出了基于DEA概念的人工肌肉。本文还详细阐述了dea在软机器人、机械手、人工肌肉等领域的应用。
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引用次数: 0
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VOLUME-8 ISSUE-10, AUGUST 2019, REGULAR ISSUE
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