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Open AccessArticle
19 Pages, 8,031 KB Download PDF

Thermoelectric Generators (TEGs) and Thermoelectric Coolers (TECs) Modeling and Optimal Operation Points Investigation

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 1, Page # 60–78, 2022; DOI: 10.25046/aj070107
Abstract:

Sustainable energy is gradually becoming the norm today due to greenhouse warming effects; as a result, the quests for different renewable energy sources such as photovoltaic cells as well as energy efficient electrical appliances are becoming popular. Therefore, this article explores the alternative energy case for thermoelectricity with focus on the steady-state mathematics, mixed modelings…

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(This article belongs to the SP12 (Special Issue on Multidisciplinary Sciences and Engineering 2021-22) & Section Thermodynamics (THD))
Open AccessArticle
7 Pages, 1,904 KB Download PDF

Synthesis and Characterization of CN Thin Films Produced by DC-Pulsed Sputtering in an \(CH_3CH_2OH-N_2\) Atmosphere

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 1, Page # 53–59, 2022; DOI: 10.25046/aj070106
Abstract:

This paper reports on the successful deposition of amorphous carbon nitride thin films (a-CNx). Samples were deposited using a DC-pulsed sputtering technique in CH3CH2OH-N2 atmosphere at constant pressure (1 Torr). Raman spectra were collected to investigate the bonding structure of the deposed thin films, while scanning electron microscopy (SEM) and atomic force microscopy (AFM) were…

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(This article belongs to Section Characterization & Testing in Materials Science (MCT))
Open AccessArticle
20 Pages, 1,251 KB Download PDF

Physics behind the Concept of a Sodium-Potassium-Cesium-Cooled Martian Nuclear Reactor

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 1, Page # 27–46, 2022; DOI: 10.25046/aj070104
Abstract:

The main goal of the work is to determine the basic conceptual solutions of a nuclear reactor operating on the surface of another planet. The problem was solved using the example of the Martian nuclear power plant. The article uses calculation and optimization research methods and corresponding program codes (well-known and author’s). The results of…

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(This article belongs to the SP12 (Special Issue on Multidisciplinary Sciences and Engineering 2021-22) & Section Nuclear Science & Technology (NST))
Open AccessArticle
13 Pages, 2,992 KB Download PDF

Value Trace Problems for Code Reading Study in C Programming

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 1, Page # 14–26, 2022; DOI: 10.25046/aj070103
Abstract:

C programming is taught in a lot of universities across the world as the first computer programming language. Then, for novice students, it is important to read many simple C source codes and understand their behaviors to be familiar to the programming paradigm. Unfortunately, effective tools to support independent code reading study at home have…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Theory & Methods in Computer Science (CTM))
Open AccessArticle
6 Pages, 1,728 KB Download PDF

Opinion and Effectiveness of Kahoot! use in Online Distance Learning in Crop Production at Higher Education Level: A Case of Study

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 1, Page # 8–13, 2022; DOI: 10.25046/aj070102
Abstract:

Kahoot is one of the most popular learning platforms, with over 2.5 billion players per year worldwide, used mainly for knowledge review through gamification. However, students´ opinion and its effectiveness in online distance learning as well as in another language teaching has been little studied. With these aims, this study was carried out in the…

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(This article belongs to Section Education (EDU))
Open AccessArticle
7 Pages, 857 KB Download PDF

Self-Regulated Learning and Academic Achievement of Physics Students in Selected Secondary Schools in Aguata Local Government Area of Anambra State, Nigeria

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 1, Page # 1–7, 2022; DOI: 10.25046/aj070101
Abstract:

The research investigated the consequence of self-regulated learning on students’ academic performance in physics, using selected public co-education schools in Aguata Educational Zone, Anambra State as the research area. The study became necessary as a result of the observed persistent poor performance of the student in Physics in external examinations over the years. The study…

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(This article belongs to Section Applied Physics (PAP))
Open AccessArticle
16 Pages, 2,509 KB Download PDF

Spatio-Temporal Analysis of Drought over the Guinean-Sudano Ecological Zone, Northern Nigeria

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 6, Page # 151–166, 2021; DOI: 10.25046/aj060620
Abstract:

Drought has become more common and severe in recent decades due to increased global changes in climatic conditions and anthropogenic activities thereby analyzing drought at both regional and local levels is crucial. And so, this study aims at assessing drought risk in Northern Nigeria using NDVI and SPI. Data used included satellite images (Landsat OLI-TIRS,…

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(This article belongs to Section Environmental Sciences (ENS))
Open AccessArticle
8 Pages, 1,052 KB Download PDF

Analysis of Reading Time and the Number of Characters within One Gazing Point

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 6, Page # 137–144, 2021; DOI: 10.25046/aj060618
Abstract:

Concomitant with the ubiquity of lightweight electronic terminals, such as smartphones and tablets, e-books have increased in popularity. However, studies have shown that their display method and information-presentation efficiency need improvement. We investigated visual information processing during reading to develop a more efficient display method that presents information in an easier to see fashion than…

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(This article belongs to Section Behavioral Sciences (BHS))
Open AccessArticle
7 Pages, 759 KB Download PDF

Control and Monitoring Systems in Medium Voltage Distribution Networks in Poland – Current Status and Directions of Development

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 6, Page # 112–118, 2021; DOI: 10.25046/aj060615
Abstract:

The paper describes the control and monitoring systems installed in medium voltage networks by Polish distribution network operators. It also outlines the expected directions of development of these systems, specifies the functions of the individual system components and describes the requirements applicable to them. In particular, attention is paid to the implementation of functions to…

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(This article belongs to Section Energy & Fuels (ENF))
Open AccessArticle
7 Pages, 1,457 KB Download PDF

Discretisation of Second Order Generalized Integrator to Design the Control Algorithm of Unified Power Quality Conditioner

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 808–814, 2021; DOI: 10.25046/aj060293
Abstract:

In this paper, second order generalized integrator (SOGI) is discretized to design the control algorithm of unified power quality conditioner (UPQC). A UPQC is combination two voltage source converter (VSC) and VSC are connected with back to back DC link. The first one VSC is in series to maintain the desire voltage at point of…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Electrical Engineering (ELE))
Open AccessArticle
10 Pages, 1,011 KB Download PDF

Innovations in Recruitment—Social Media

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 6, Page # 88–97, 2021; DOI: 10.25046/aj060613
Abstract:

The main objective and contribution of the paper is to describe the creation of a model to support recruitment using social media information and its deployment in practice. The model includes the design of an automated solution for downloading social media data and a proposal for the subsequent analysis and creation of a predictive model…

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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
6 Pages, 449 KB Download PDF

The Influence of Online Learning on Learning Interest and Motivation and Their Impact on Student Achievement at Educational Technology Study Program – Ibn Khaldun University Bogor

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 6, Page # 82–87, 2021; DOI: 10.25046/aj060612
Abstract:

The aim of this research was to prove the effect of online learning on interest and motivation to learn and its effect on student achievement in the Educational Technology Study Program – Ibnu Khaldun University, Bogor. This research method uses descriptive analysis and verification with a quantitative approach. The source of this research uses primary…

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(This article belongs to Section Education (EDU))
Open AccessArticle
10 Pages, 672 KB Download PDF

Intermediation in Technology Transfer Processes in Agro-Industrial Innovation Systems: State of Art

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 6, Page # 66–75, 2021; DOI: 10.25046/aj060610
Abstract:

Considering the importance of addressing innovation issues that impact the development of economic sectors, this document presents the research work aimed at establishing a state of the art related to technology transfer and intermediation issues, which can be adopted in the innovation systems. In this case, the agro-industrial innovation system is taken as a reference…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Operations Research & Management Science (ORM))
Open AccessArticle
6 Pages, 372 KB Download PDF

Hiragana and Katakana Minutiae based Recognition System

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 6, Page # 54–59, 2021; DOI: 10.25046/aj060608
Abstract:

The Japanese writing system is unique due to the number of characters employed and the methods used to write words. It consists of three different ’alphabets’, which may result in the methods used to process Latin script not being sufficient to obtain satisfactory results when attempting to apply them to a recognition of the Japanese…

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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
5 Pages, 633 KB Download PDF

Assessment of Transformer Cellulose Insulation Life Expectancy Based on Oil Furan Analysis (Case Study: South African Transformers)

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 6, Page # 29–33, 2021; DOI: 10.25046/aj060605
Abstract:

The ageing of oil-immersed power transformers triggers several defects and damages in the insulating materials, particularly in the cellulose insulation. The decomposition of the cellulose paper produces dissolved gases into the insulating oil, in which the Dissolved Gas Analysis (DGA) of the oil samples can provide insights to incipient faults sustained by the transformer as…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Instruments & Instrumentation (IIN))
Open AccessArticle
10 Pages, 1,252 KB Download PDF

Lean Six Sigma Implementation in the Food Sector: Nexus between Readiness-Critical Success Factors

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 6, Page # 12–21, 2021; DOI: 10.25046/aj060603
Abstract:

Lean Six Sigma (LSS) is a renowned approach for boosting operational excellence and competitive advantage through integrated core objectives of value creation and variation reduction. Despite its proven benefits in many leading companies, LSS implementation in the food sector is still behind compared with other sectors. LSS implementation is costly, and most businesses have failed…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Operations Research & Management Science (ORM))
Open AccessArticle
8 Pages, 732 KB Download PDF

Neural Network for 2D Range Scanner Navigation System

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 5, Page # 348–355, 2021; DOI: 10.25046/aj060539
Abstract:

Navigation of a moving object (drone, vehicle, robot, and so on) and related localization in unknown scenes is nowadays a challenging subject to be addressed. Typically, different source devices, such as image sensor, Inertial Measurement Unit (IMU), Time of Flight (TOF), or a combination of them can be used to reach this goal. Recently, due…

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(This article belongs to the SP12 (Special Issue on Multidisciplinary Sciences and Engineering 2021-22) & Section Instruments & Instrumentation (IIN))
Open AccessArticle
5 Pages, 751 KB Download PDF

Enhancing Decision Trees for Data Stream Mining

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 5, Page # 330–334, 2021; DOI: 10.25046/aj060537
Abstract:

Data stream gained obvious attention by research for years. Mining this type of data generates special challenges because of their unusual nature. Data streams flows are continuous, infinite and with unbounded size. Because of its accuracy, decision tree is one of the most common methods in classifying data streams. The aim of classification is to…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
7 Pages, 632 KB Download PDF

TETRA™ Techniques to Assess and Manage the Software Technical Debt

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 5, Page # 303–309, 2021; DOI: 10.25046/aj060534
Abstract:

The paper examines the company’s proprietary means for determining the quality of a software product and measuring its technical debt. The paper’s authors explain how a software product’s quality is directly correlated with the amount of varying technical debts that the end-users receive. All debts can be paid, and technical debt is no exception: one…

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(This article belongs to Section Automation & Control Systems (ACS))
Open AccessArticle
6 Pages, 965 KB Download PDF

Ensemble Learning of Deep URL Features based on Convolutional Neural Network for Phishing Attack Detection

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 5, Page # 291–296, 2021; DOI: 10.25046/aj060532
Abstract:

The deep learning-based URL classification approach using massive observations has been verified especially in the field of phishing attack detection. Various improvements have been achieved through the modeling of character and word sequence of URL based on convolutional and recurrent neural networks, and it has been proven that an ensemble approach of each model has…

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(This article belongs to the SP12 (Special Issue on Multidisciplinary Sciences and Engineering 2021-22) & Section Information Systems in Computer Science (CIS))
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
11 Pages, 690 KB Download PDF

A Task-based Paradigm for Promoting an Alternative Thinking Style in Teaching Mathematics

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 5, Page # 249–259, 2021; DOI: 10.25046/aj060527
Abstract:

The article identifies an alternative style of thinking as one of the important components of human intellectual development. It is shown that it can be effectively implemented in mathematics lessons at school. The purpose of this study is to develop and substantiate a strategy for the formation of an alternative style of thinking among students…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Education (EDU))
Open AccessArticle
12 Pages, 821 KB Download PDF

Leveraging Energy Efficiency Investments: An Innovative Web-based Benchmarking Tool

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 5, Page # 237–248, 2021; DOI: 10.25046/aj060526
Abstract:

Energy Efficiency (EE) plays a key role in decreasing energy consumption at a European level, while it is considered as one of the most cost-efficient means to achieve carbon reduction and reinforce energy sufficiency and security. EE financing is imperative to implement measures that will lead to achieving the desired carbon neutrality and, thus, avert…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Green & Sustainable Science & Technology (GSS))
Open AccessArticle
7 Pages, 949 KB Download PDF

Design Optimization and Life Cycle Cost Assessment of GRC Shading Screens for Office Buildings in Cairo

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 5, Page # 222–228, 2021; DOI: 10.25046/aj060524
Abstract:

Office buildings commonly use fully glazed façades to reflect a luxurious appearance and to maximize natural light of high solar exposure and high-energy consumption due to cooling and heating. There is a great abundance in constructing shading screens as they are part of the modern movement in field of Energy Conservation, renewable energies, and architectural…

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(This article belongs to Section Architectural Engineering (EAH))
Open AccessArticle
18 Pages, 2,108 KB Download PDF

iDRP Framework: An Intelligent Malware Exploration Framework for Big Data and Internet of Things (IoT) Ecosystem

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 5, Page # 185–202, 2021; DOI: 10.25046/aj060521
Abstract:

The Internet of Things (IoT) is at a face paced growth in the advanced Industrial Revolution (IR) 4.0 in the modern digital world. Considering the current network security challenges and sophistication of attacks in the heavily computerized and interconnected systems, such as an IoT ecosystem, the need for an innovative, robust, intelligent and adaptive malware…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Information Systems in Computer Science (CIS))
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