Nile Journal of Communication and Computer Science最新文献

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Smart Attendance System Using QR-Code, Finger Print and Face Recognition 智能考勤系统使用qr码,指纹和人脸识别
Nile Journal of Communication and Computer Science Pub Date : 2022-02-01 DOI: 10.21608/njccs.2022.244463
Nesma Abd El-mawla, M. Ismaiel, A. Team
{"title":"Smart Attendance System Using QR-Code, Finger Print and Face Recognition","authors":"Nesma Abd El-mawla, M. Ismaiel, A. Team","doi":"10.21608/njccs.2022.244463","DOIUrl":"https://doi.org/10.21608/njccs.2022.244463","url":null,"abstract":"Smartphones now play an important role in our daily lives. It has made life simpler and easier for everyone with various social, commercial, problem-solving, educational, and marketing apps... etc., and in light of the need for social distancing following Covid-19, we have designed a system that addresses the problem of student and employee attendance in various institutions. They were utilizing a paper-based approach to keep track of their attendance. The suggested system is an Internet of Things (IoT)-based attendance system that makes use of the IEEE 2413 Standard for an Architectural Framework for the Internet of Things (IoT) (Face recognition Fingerprint QR code). Our system may be used in two sorts of organizations: the first is for businesses, where attendance is recorded using one of two characteristics (Face recognition or fingerprint), and the system is also designed to manage employee working hours. The second system is for educational institutions, and it is responsible for managing and analyzing all students' attendance. For pupils to take attendance, a (Face recognition& QR code) will be provided. The professor is in charge of determining whether or not all of the pupils in the group or class are present. To authenticate their attendance and exit, users will only need their","PeriodicalId":277392,"journal":{"name":"Nile Journal of Communication and Computer Science","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129942569","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
A review on Bio-inspired MPPT techniques of PV system under partial shading condition 部分遮阳条件下光伏系统仿生MPPT技术综述
Nile Journal of Communication and Computer Science Pub Date : 2021-08-01 DOI: 10.21608/njccs.2021.226540
Hend S. Saad, Mohamed S. M. ElKsas, Sabry F. Saraya, Mohamed M. Abdelsalam
{"title":"A review on Bio-inspired MPPT techniques of PV system under partial shading condition","authors":"Hend S. Saad, Mohamed S. M. ElKsas, Sabry F. Saraya, Mohamed M. Abdelsalam","doi":"10.21608/njccs.2021.226540","DOIUrl":"https://doi.org/10.21608/njccs.2021.226540","url":null,"abstract":"The maximum power point tracking (MPPT) algorithms are used in PV power generation systems to handle the effect due to the partially shaded conditions. This paper confers the algorithms, modeling techniques, and control topologies of photovoltaic (PV) array systems are explored. The problems with conventional MPPT algorithms can be solved by applying various modern optimization algorithms that extract the maximum power from the solar panels. Various reliable techniques are discussed to identify the maximum power point globally. However, each method has advantages and limitations and, this paper presents reviews and findings from the existing optimized methods. The optimized algorithms presented in the various literatures are studied and analyzed. Also the average convergence time and the tracking efficiency for each algorithm are presented. The challenges in selecting a proper algorithm for partially shaded PV array are deliberated. Finally, the comparison between the stand-alone algorithms is presented for future research.","PeriodicalId":277392,"journal":{"name":"Nile Journal of Communication and Computer Science","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129090510","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
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