International Journal of Research in Engineering and Applied Sciences最新文献_第4页

PERFORMANCE EVALUATION OF A SINGLE-MODE BIOMETRIC ACCESS CONTROL SYSTEM 单模生物识别门禁系统的性能评价

International Journal of Research in Engineering and Applied Sciences Pub Date : 2022-01-21 DOI: 10.46565/jreas.2022.v07i01.007

Bopatriciat Boluma Mangata, Mbuyi Mukendi Eugène, Batubenga Mwamba Nzambi

{"title":"PERFORMANCE EVALUATION OF A SINGLE-MODE BIOMETRIC ACCESS CONTROL SYSTEM","authors":"Bopatriciat Boluma Mangata, Mbuyi Mukendi Eugène, Batubenga Mwamba Nzambi","doi":"10.46565/jreas.2022.v07i01.007","DOIUrl":"https://doi.org/10.46565/jreas.2022.v07i01.007","url":null,"abstract":"The present work evaluates the performance of a fingerprint-based access control system to secure premises. In order to evaluate these performances, we used a regression model in which the dependent variable is of qualitative type, more precisely, the variable: \"the new individual who takes the entrance test is positive or negative\".Our model is therefore a classifier capable of diagnosing whether fingerprints will be accepted or not. This performance evaluation model is realized by means of the confusion matrix, the calculations of the evaluation parameters (Sensitivity, Specificity, Positive Predictive Value, Negative Predictive Value and False Negative), and finally the plots of the sensitivity values against 1-Specificity (ROC curve).On a sample of six hundred individuals of which 470 enrolled and 130 not enrolled, the access control system obtained the results of which 456 true positives, 14 false negatives, 10 false positives and 120 true negatives which constitute our confusion matrix, which we were able to evaluate the performance of our system by applying the calculations of the evaluation parameters.","PeriodicalId":14343,"journal":{"name":"International Journal of Research in Engineering and Applied Sciences","volume":"97 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90616207","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

THE UNIFIED POWER QUALITY CONDITIONER: A REVIEW 统一电能质量调节器综述

International Journal of Research in Engineering and Applied Sciences Pub Date : 2022-01-14 DOI: 10.55083/irjeas.2022.v10i01002

Siddhant Tiwari, B. Yadav, I. Kumar

引用次数: 0

ENHANCEMENT OF PRODUCTION BY LEAN MANUFACTURING METHOD 通过精益生产方法提高生产效率

International Journal of Research in Engineering and Applied Sciences Pub Date : 2022-01-10 DOI: 10.55083/irjeas.2022.v10i01001

V. Vishnu, V. Dwivedi

引用次数: 1

MACHINE LEARNING BASED FAULT DIAGNOSIS SCHEME FOR GRID-CONNECTED PV SYSTEM 基于机器学习的并网光伏系统故障诊断方案

International Journal of Research in Engineering and Applied Sciences Pub Date : 2021-12-31 DOI: 10.55083/irjeas.2021.v09i04007

D. Singh, Laxman Solankee

{"title":"MACHINE LEARNING BASED FAULT DIAGNOSIS SCHEME FOR GRID-CONNECTED PV SYSTEM","authors":"D. Singh, Laxman Solankee","doi":"10.55083/irjeas.2021.v09i04007","DOIUrl":"https://doi.org/10.55083/irjeas.2021.v09i04007","url":null,"abstract":"Photovoltaic (PV) systems have recieved a lot of attention in recent decades due to their accessibility and advancements in PV technology. The protection of PV systems from faults such as String to String (SS), String to Ground (SG), Open circuit (OC), and partial shading are the key challenges to the realization of cost-effective and environmentally friendly PV systems. Such unusual circumstances reduce the maximum available PV power. Partial shading and breakdowns in a PV array must therefore be noticed quickly for enhanced system efficiency and reliability. The significant fault current in PV systems can be detected using the existing safety devices in PV systems, such as fuses and residual current detectors. The flowing fault current being of low order is not significant enough for current protection devices to detect if the solar and/or fault mismatch is modest and the fault resistance is high. As a result, under cloudy and low irradiance conditions, the traditional protection devices fail to identify problems, resulting in reliability concerns and photovoltaic fire threats. In this context, a fault diagnosis scheme for PV systems is presented in this paper, which includes feature extraction using the Discrete wavelet transform, and classification of various defects on the PV system using Decision tree.","PeriodicalId":14343,"journal":{"name":"International Journal of Research in Engineering and Applied Sciences","volume":"77 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86588164","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

TWO DIMENSIONAL AEROFOIL WIND TURBINE BLADE DESIGN AND ANALYSIS USING CFD ANALYSIS 二维翼型风力机叶片设计与CFD分析

International Journal of Research in Engineering and Applied Sciences Pub Date : 2021-12-31 DOI: 10.55083/irjeas.2021.v09i04005

Kamaldeep Singh, Yogesh Mishra

引用次数: 0

A PROACTIVE ADAPTATION MODEL BASE ON RESOURCE PREDICTION 基于资源预测的主动适应模型

International Journal of Research in Engineering and Applied Sciences Pub Date : 2021-10-21 DOI: 10.46565/jreas.2021.v06i04.009

Hua Wang, Jian Yu

引用次数: 0

DEVELOPMENT OF A FUEL ADULTERATION DETECTION SYSTEM USING IOT BASED SENSOR TECHNIQUE 基于物联网传感器技术的燃料掺假检测系统的开发

International Journal of Research in Engineering and Applied Sciences Pub Date : 2021-10-21 DOI: 10.46565/jreas.2021.v06i04.006

I. Rabiu, Buhari U. Umar

{"title":"DEVELOPMENT OF A FUEL ADULTERATION DETECTION SYSTEM USING IOT BASED SENSOR TECHNIQUE","authors":"I. Rabiu, Buhari U. Umar","doi":"10.46565/jreas.2021.v06i04.006","DOIUrl":"https://doi.org/10.46565/jreas.2021.v06i04.006","url":null,"abstract":"Fuel is very important in our everyday activities, it has been used in companies, industries, organizations and automobiles. It also serves as a means for generating electricity. Adulteration of petroleum products is hard to detect because the existing components of the fuel constitute the adulterants. The adulterants alongside other cheap hydrocarbons are mixed with the base fuel to degrade its quality and for the monetary benefits of the business vendors. This makes the adulterated fuel to pose a very serious danger to the consumers. This research project developed an IoT-based fuel adulteration detection system using a weight sensor-based technique. The IoT-based system helps to notify and give information about the fuel adulteration to the user immediately on a registered website called thingspeak. The average detection accuracy and response time of the system are 96.37% and 1.34 seconds respectively. These results emphasize the crucial function of adulteration detection system in fuels, as it detects adulteration of liquids effectively and accurately for automobile users and thereby reducing the risk of adulteration in fuels.","PeriodicalId":14343,"journal":{"name":"International Journal of Research in Engineering and Applied Sciences","volume":"29 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72756959","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

COMPUTATIONAL FLUID DYNAMICS SIMULATION OF ABRASIVE FLOW MACHINING OF BIOMATERIALS 磨料流加工生物材料的计算流体动力学模拟

International Journal of Research in Engineering and Applied Sciences Pub Date : 2021-10-21 DOI: 10.46565/jreas.2021.v06i04.004

S. Venkata, Phanindra Chary

{"title":"COMPUTATIONAL FLUID DYNAMICS SIMULATION OF ABRASIVE FLOW MACHINING OF BIOMATERIALS","authors":"S. Venkata, Phanindra Chary","doi":"10.46565/jreas.2021.v06i04.004","DOIUrl":"https://doi.org/10.46565/jreas.2021.v06i04.004","url":null,"abstract":"Surface finishing of the external surfaces and comfortably reachable internal surfaces to a certain specification can be attained by traditional machining processes. However, most of these processes cannot finish internal and external surfaces of intricate shapes as they are nonflexible in nature. For this type of problem Abrasive Flow Machining (AFM) can be a viable solution. The AFM process uses a self-deforming tool. In the areas where the flow is restricted the abrasion takes place removing the material and generating finer surfaces. As time passed, different kinds of AFM have been developed to maximize productivity and enhance the surface finish. Factors that influence the material removal and surface finish in the AFM process are particle size, extrusion pressure, piston velocity, and media viscosity. Carrying out experiments for all the process parameters and obtaining better process parameters of AFM, precisely, in less time is tough to achieve. Computational Fluid Dynamics (CFD) simulation was employed to determine machining parameters. In this project, the parameters obtained theoretically and from the CFD simulation are compared with the available experimental data and then the better machining parameters for the surgical implant materials ASTM F1537 wrought Co-28Cr-6Mo alloy and Ti6Al4V alloy were also determined by using CFD simulation.","PeriodicalId":14343,"journal":{"name":"International Journal of Research in Engineering and Applied Sciences","volume":"4 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73741072","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A COMPARATIVE STUDY OF COMMON EDGE DETECTION OPERATORS IN DIGITAL IMAGE PROCESSING 数字图像处理中常用边缘检测算子的比较研究

International Journal of Research in Engineering and Applied Sciences Pub Date : 2021-10-21 DOI: 10.46565/jreas.2021.v06i04.001

Benjamin Kommey, John Kwame Dunyo, E. T. Tchao, Andrew Selasi Agbemenu

引用次数: 1

ASSESSMENT OF ENVIRONMENTAL IMPLICATIONS OF ELECTRIC VEHICLES: A REVIEW 电动汽车的环境影响评估:综述

International Journal of Research in Engineering and Applied Sciences Pub Date : 2021-10-21 DOI: 10.46565/jreas.2021.v06i04.008

P. Dutta

{"title":"ASSESSMENT OF ENVIRONMENTAL IMPLICATIONS OF ELECTRIC VEHICLES: A REVIEW","authors":"P. Dutta","doi":"10.46565/jreas.2021.v06i04.008","DOIUrl":"https://doi.org/10.46565/jreas.2021.v06i04.008","url":null,"abstract":"The emergence of hybrid electric vehicles (HEVs) has paved a way for the automobile industry to tap into the vast potential of renewable sources of energy and to look for eco friendly alternatives to fossil fuels. Not only can the depletion of non renewable resources be countered effectively but the harmful detrimental effects of using these fossil fuels can also be reduced. Even though it has been established that HEVs tend to have more eco friendly benefits than their internal combustion engine vehicles (ICEV) counterparts, they too are not immune to adverse environmental implications. The production, operation and end of life phases of HEVs contribute to major adverse environmental effects related to greenhouse gases (GHG) emissions, human toxic byproducts etc. Hence an assessment of their environmental implications is being discussed in this paper and light has been shed on different assessment categories such as acidification potential, eutrophication, human toxicity potential, global warming potential etc. Furthermore the phases and parts of a HEV which contribute majorly to these implications are also discussed briefly. The environmental implications of the energy generation sources used in these HEVs are also taken into account.","PeriodicalId":14343,"journal":{"name":"International Journal of Research in Engineering and Applied Sciences","volume":"324 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78006319","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1