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Keyword: Comparative analysis
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Open AccessArticle
10 Pages, 2,726 KB Download PDF

Design and Comparative Analysis of Hybrid Energy Systems for Grid-Connected and Standalone Applications in Tunisia: Case Study of Audiovisual Chain

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 3, Page # 144–153, 2023; DOI: 10.25046/aj080316
Abstract:

In this research paper, a technical and economic-environmental study was developed to investigate the possibility of establishing various hybrid power systems with different operation modes. Grid-connected and standalone hybrid systems (solar-wind with storage batteries and diesel generators) have been realized in order to carry out a comparative analysis study of two configurations. These systems have…

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(This article belongs to the SP14 (Special Issue on Computing, Engineering and Multidisciplinary Sciences 2022-23) & Section Electrical Engineering (ELE))
Open AccessArticle
12 Pages, 1,087 KB Download PDF

Comparative Analysis and Modern Applications of PoW, PoS, PPoS Blockchain Consensus Mechanisms and New Distributed Ledger Technologies

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 5, Page # 279–290, 2021; DOI: 10.25046/aj060531
Abstract:

Central authorities have registered economic transactions based on trust since the dawn of time. With the advent of paper, methods for documenting transactions and records became more difficult and detailed. With the widespread use of computers in recent years, digital recording has made record keeping easier and since then every technical advancement has made data…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
18 Pages, 3,126 KB Download PDF

Comparative Analysis of Land Use/Land Cover Change and Watershed Urbanization in the Lakeside Counties of the Kenyan Lake Victoria Basin Using Remote Sensing and GIS Techniques

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 671–688, 2021; DOI: 10.25046/aj060278
Abstract:

The ecosystems and landscape patterns in Lake Victoria basin are increasingly being modified by changes in land use/land cover. Understanding dynamics of these changes is essential for appropriate planning. This study evaluated changes in landscape environment, of the lakeside counties of the Kenyan Lake Victoria basin, which have occurred over a forty-year period (1978-2018) and…

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(This article belongs to Section Environmental Sciences (ENS))
Open AccessArticle
12 Pages, 922 KB Download PDF

Comparative Analysis Spline Methods in Digital Processing of Signals

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1499–1510, 2020; DOI: 10.25046/aj0506180
Abstract:

In this article, the Grebennikov cubic spline, the Ryabenky cubic spline, and we offer the local interpolation cubic spline models are selected. The construction details of the models were given and the processes of approximating the functions were performed using selected local cubic splines. We can also say that the local interpolation cubic spline models…

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(This article belongs to Section Biotechnology & Applied Microbiology (BAM))
Open AccessArticle
18 Pages, 1,804 KB Download PDF

Analysis of Long-term Equilibrium Relationship Between KRW, RMB, JPY Exchange Rates and International Financial Market Variables: Comparative Analysis of KRW, RMB, JPY

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 744–761, 2020; DOI: 10.25046/aj050690
Abstract:

This study used 15 VECM analysis models to analyze the relationship among exchange rates of South Korea, China and Japan; and between exchange rates of each country and international financial market variables. The analysis variables are the Won, Yuan, Yen spot exchange rates and international financial market variables. The results of the analysis are as…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Operations Research & Management Science (ORM))
Open AccessArticle
8 Pages, 971 KB Download PDF

A Comparative Analysis of ARIMA and Feed-Forward Neural Network Prognostic Model for Bull Services

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 411–418, 2020; DOI: 10.25046/aj050253
Abstract:

Bull service is the natural copulation by a purebred male carabao with a female counterpart. This is part of the bull loan agenda of the Philippine Carabao Center-Visayas State University (PCC-VSU), one of the 12 regional centers of PCC. For the past years, PCC-VSU used averaging of bull services count of previous years and sometimes…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
5 Pages, 594 KB Download PDF

Comparative Analysis of Student Dissatisfaction of the Continuing Academic Semesters at UNTELS

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 6, Page # 203–207, 2019; DOI: 10.25046/aj040626
Abstract:

Student dissatisfaction is of the utmost importance when it comes to establishing a process of continuous improvement in a University. Currently, at the National Technological University of Lima Sur (UNTELS) there is no information regarding the levels of student dissatisfaction with the services offered by UNTELS. In this context, the purpose of this research project…

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(This article belongs to Section Behavioral Sciences (BHS))
Open AccessArticle
7 Pages, 987 KB Download PDF

Zebrafish Larvae Classification based on Decision Tree Model: A Comparative Analysis

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 4, Page # 347–353, 2018; DOI: 10.25046/aj030435
Abstract:

Screening the abnormal development of the zebrafish embryos before and after being hatched for a large number of samples is always carried out manually. The manual process is presented as a tedious work and low-throughput. The single female fish produce hundreds of eggs in every single mating process, the samples of the zebrafish embryos should…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Biomedical Engineering (EBI))
Open AccessArticle
9 Pages, 546 KB Download PDF

A Comparative Analysis of two Controllers for Trajectory Tracking Control: Application to a Biological Process

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 4, Page # 318–326, 2018; DOI: 10.25046/aj030432
Abstract:

The aim of the present work is to guarantee the trajectory tracking of a nonlinear biological process and compare two control approaches. The main objective of this work is to elaborate a fuzzy model and build a fuzzy controllers for a biological process by using the fuzzy Takagi-Sugeno. Two controllers are synthesized, the parallel distributed…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Automation & Control Systems (ACS))
Open AccessArticle
7 Pages, 1,237 KB Download PDF

Analysis of the Operational Impact of ETC Lanes on Toll Station

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1286–1292, 2020; DOI: 10.25046/aj0506153
Abstract:

Traffic congestion is being experienced daily by many travellers both on the inner-city roads as well as on the highways. The toll plaza can become a real highway bottleneck, as vehicles must stop and manually pay the tolls at the toll booths. This stop-and-go process can seriously affect traffic fluidity, resulting in a lower quality…

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(This article belongs to Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
8 Pages, 1,815 KB Download PDF

University Students Result Analysis and Prediction System by Decision Tree Algorithm

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 3, Page # 115–122, 2020; DOI: 10.25046/aj050315
Abstract:

The main assets of universities are students. The performance of students plays a vital role in producing excellent graduate students who will be the future viable leader and manpower in charge of a country’s financial and societal progress. The purpose of this research is to develop a “University Students Result Analysis and Prediction System” that…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
11 Pages, 1,566 KB Download PDF

Experimental Analysis in Alternate Current and Direct Current of the Operating Parameters of a Universal Single-Phase Engine

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 6, Page # 360–370, 2019; DOI: 10.25046/aj040646
Abstract:

This article presents the experimental analysis of a rotary machine, Universal Motor Analysis; analysis that obeys the purpose of obtaining the almost perfect understanding of the electromechanical behavior of said unit of analysis; It should be noted that the variables to be analyzed were: voltage, current, power, torque, rpm, and power factor; specifically said data…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
14 Pages, 918 KB Download PDF

The main characteristics of five distributed file systems required for big data: A comparative study

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 4, Page # 78–91, 2017; DOI: 10.25046/aj020411
Abstract:

These last years, the amount of data generated by information systems has exploded. It is not only the quantities of information that are now estimated in Exabyte, but also the variety of these data which is more and more structurally heterogeneous and the velocity of generation of these data which can be compared in many…

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(This article belongs to Section Software Engineering in Computer Science (CSE))
Open AccessArticle
10 Pages, 1,183 KB Download PDF

Advantages of 3D Technology in Stereometry Training

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 6, Page # 39–48, 2022; DOI: 10.25046/aj070605
Abstract:

This paper presents a new software for stereometry training. Its name is StereoMV (Stereo Math Vision). It is results from a dissertation work on the topic “Stereoscopic Training System”. It introduces virtual reality systems that are both immersive and non-immersive. The difference between them is in the equipment and the stereo effect they offer. A…

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(This article belongs to the SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Software Engineering in Computer Science (CSE))
Open AccessArticle
9 Pages, 1,188 KB Download PDF

A Comparison of Cyber Security Reports for 2020 of Central European Countries

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 4, Page # 105–113, 2022; DOI: 10.25046/aj070414
Abstract:

The aim of the article is to analyze the annual reports on cyber security of Central European countries, i.e. the Czech Republic, Slovakia, Poland, Germany, and Austria. The article focuses on the development of the state of cyber security, actors of threats in cyberspace, cyber threats, and the most common types of attacks. The article…

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(This article belongs to the SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
6 Pages, 655 KB Download PDF

Variation in Self-Perception of Professional Competencies in Systems Engineering Students, due to the COVID -19 Pandemic

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1024–1029, 2021; DOI: 10.25046/aj0601113
Abstract:

The objective of this article is to determine if the self-perception of professional competences has been affected, in systems engineering students, during the health emergency declared in Peru by Covid-19; The results will allow the public university of Peru to make corrective decisions and formulate proposals to improve the functioning of the variable under study.…

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(This article belongs to Section Behavioral Sciences (BHS))
Open AccessArticle
6 Pages, 1,029 KB Download PDF

Evaluation of Simple Space Interpolation Methods for the Depth of Precipitation: Application for Boyacá, Colombia

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1322–1327, 2020; DOI: 10.25046/aj0506157
Abstract:

Interpolation tools are used daily in hydrology and climatology. With the purpose to regionalize spot´s registration parameters, such as depth of precipitation, temperature, humidity, among others. The accuracy of these methods is not fully validated. This research presents a comparative study between the most used interpolation methods for the regionalization of hydrological and climatological parameters.…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Environmental Engineering (EEV))
Open AccessArticle
8 Pages, 570 KB Download PDF

Dense Deep Neural Network Architecture for Keystroke Dynamics Authentication in Mobile Phone

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 307–314, 2020; DOI: 10.25046/aj050637
Abstract:

The ever-growing technology in mobile smartphones has enabled users to store sensitive and private information; as a result, it required the need for an improved security system. Previous approaches heavily relied on shallow machine learning algorithms that require feature extraction which is time consuming, laborious and can cause, resulting in poor authentication. In this paper,…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
11 Pages, 1,053 KB Download PDF

Strategic Model to Assess the Sustainability and Competitiveness of Focal Agri-Food Smes and their Supply Chains: A Vision Beyond COVID 19

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 5, Page # 1214–1224, 2020; DOI: 10.25046/aj0505147
Abstract:

There have been disruptions in local and global food supply chains around the world due to the COVID-19 pandemic. It has led to rethink various aspects and to consider various trends in the food sector, encourage a more rapid transition and evolution to the Sustainable Supply Chain Management (SSCM), to counteract current problems and to…

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(This article belongs to the sp-covid19 (Special Issue on the Economic Impact of COVID-19 on Companies and Consumers 2020-21) & Section Operations Research & Management Science (ORM))
Open AccessArticle
11 Pages, 2,837 KB Download PDF

Dense SIFT–Flow based Architecture for Recognizing Hand Gestures

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 5, Page # 944–954, 2020; DOI: 10.25046/aj0505115
Abstract:

Several challenges like changes in brightness, dynamic background, occlusion and inconsistency of camera position make the recognition of hand gestures difficult in any vision-based method. Diversity in finger shape, size, distribution and motion dynamics is also a big constraint. This leads to the motivation in developing a dense Scale Invariant Feature Transform (SIFT) flow based…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
7 Pages, 580 KB Download PDF

Ontological and Epistemological Issues of Studying the Development of Uzbekistan in the Context of Globalization from the Point of View of the Paradigm of Civilizations

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 28–34, 2020; DOI: 10.25046/aj050204
Abstract:

In this scientific work, the basic synergetic principles of the development of the paradigm of civilizations are substantiated, an assessment of the time boundaries within which civilizations exist, the features of their own path of development of Uzbek culture are revealed. It is especially drawn attention to the sociocultural codes of civilization, a combination of…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section History & Philosophy of Science (HIS))
Open AccessArticle
6 Pages, 668 KB Download PDF

Evaluation of the Quality Parameters of a 4G-LTE Communications Base Station, Installed in a Rural Area of Peru

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 1, Page # 71–76, 2020; DOI: 10.25046/aj050109
Abstract:

This article has to specify the quality parameters of a Communications Base Station with 4G-LTE technology, installed in a rural area of Peru. The problem of this investigation is due to the fact that many areas of the country do not have a communications network capable of covering the high demand of the inhabitants; this…

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(This article belongs to Section Telecommunications (TEL))
Open AccessArticle
16 Pages, 3,337 KB Download PDF

Study and Implementation of Various Image De-Noising Methods for Traffic Sign Board Recognition

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 545–560, 2019; DOI: 10.25046/aj040466
Abstract:

The problem of recognizing traffic sign boards in a correct fashion is one of the major challenges since there is an alarming rate of increase in the number of road accidents happening because of incorrect interpretation of traffic sign boards in bad weather conditions. In this paper, a comparative analysis of various noise removal techniques…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Electronic Engineering (EEE))
Open AccessArticle
13 Pages, 1,786 KB Download PDF

Development of Smart Technology for Complex Objects Prediction and Control on the Basis of a Distributed Control System and an Artificial Immune Systems Approach

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 75–87, 2019; DOI: 10.25046/aj040312
Abstract:

This paper is an extension of work originally presented in 2018 Global Smart Industry Conference (GloSIC). Researches are devoted to the development of Smart technology for complex objects control and prediction on the basis of a distributed Honeywell DCS control system of the TengizChevroil enterprise using the example of a technological process of medium pressure…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
7 Pages, 1,107 KB Download PDF

Parametric Study of Micro Strip Patch Antenna Using Different Feeding Techniques for Wireless and Medical Applications

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 310–316, 2025; DOI: 10.25046/aj030137
Abstract:

Due to the increasing bandwidth requirement of modern wireless communication systems, developing antenna having wider bandwidth have been receiving significant attention in the recent years. In this paper, a comparative analysis of the contacting feed (micro strip line and coaxial probe) and non-contacting feed mechanism (both Aperture Coupling and Proximity Coupling) in micro strip patch…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Telecommunications (TEL))

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