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Open AccessArticle
7 Pages, 1,060 KB Download PDF

Optimization of the Sliding Mode Control (SMC) with the Particle Swarm Optimization (PSO) Algorithm for Photovoltaic Systems Based on MPPT

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 1, Page # 100–106, 2022; DOI: 10.25046/aj070110
Abstract:

Photovoltaic systems are classified as non-linear systems. On the other hand, the characteristics of photovoltaic cells are non-linear. For this reason, researchers use several methods of maximum power monitoring (MPPT) to improve the performance of photovoltaic system. It is therefore necessary to use an adaptation stage between the photovoltaic generator (GPV) and the load to…

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(This article belongs to Section Automation & Control Systems (ACS))
Open AccessArticle
11 Pages, 1,497 KB Download PDF

A Novel Algorithm Design for Locating Fault Distances on HV Transmission Lines

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 1, Page # 79–89, 2022; DOI: 10.25046/aj070108
Abstract:

The transmission network has been considered among the globe’s prevalent complex systems, comprised of hundreds of electrical transmission lines and other equipment used to transmit electrical energy from one location to another. Over a decade, power engineers have worked tirelessly to ensure that the transmission network operates reliably, transmitting electrical energy from the power station…

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(This article belongs to the SP12 (Special Issue on Multidisciplinary Sciences and Engineering 2021-22) & Section Electrical Engineering (ELE))
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
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
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
11 Pages, 720 KB Download PDF

Associated Risk Factors for the Development of Extensively Resistant Pulmonary Tuberculosis in the First Level of Health Care: From a Public Health Perspective

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 6, Page # 119–129, 2021; DOI: 10.25046/aj060616
Abstract:

To determine the risk factors associated with the development of extensively resistant pulmonary tuberculosis in the DIRIS Lima Sur, 2017. The type of research was observational, quantitative, analytical, retrospective case-control approach. The population consisted of 158 patients with MDR-TB treatment schedule between 2016 and 2017. The sample consisted of 24 cases diagnosed with extensively drug-resistant…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Immunology (IMN))
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
11 Pages, 802 KB Download PDF

Antecedents to Learners’ Satisfaction with Serious Games: An Investigation Using Partial Least Square

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 6, Page # 43–53, 2021; DOI: 10.25046/aj060607
Abstract:

Serious games are at the forefront of discussions about the future of learning. Research shows that they can help improve student motivation and knowledge transfer by making learning experiences more pleasurable. Teaching practices are increasingly enhanced or complemented by serious games; skills and knowledge are developed by recreating realistic situations allowing learners to enhance their…

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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
9 Pages, 1,349 KB Download PDF

Service Robot Management System for Business Improvement and Service Extension

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 6, Page # 34–42, 2021; DOI: 10.25046/aj060606
Abstract:

Service robots are applied in many kinds of business fields and its various kinds of data can be collected with service robot in business scenes. Therefore, it becomes more important to utilize such data for business improvement. Additionally, due to limitation of design such as body size and battery life, a service robot cannot prepare…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Robotics (ROB))
Open AccessArticle
13 Pages, 1,187 KB Download PDF

The Effect of Obstacle Design Architectures on Randomly Ranging AGVs in a Shared Workspace

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 5, Page # 335–347, 2021; DOI: 10.25046/aj060538
Abstract:

As mobile robots or Automated Guided Vehicles age, and their navigation components wear down, downtime may increase, and therefore robots may lose their path planning capabilities. In such blind-navigation scenarios, we assume robot(s) is programmed to undergo a default random-walk locomotion in a two-dimensional confined workspace with spatially populated obstacles. The robot(s) has only one…

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(This article belongs to Section Robotics (ROB))
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
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
8 Pages, 348 KB Download PDF

Cyberbullying Detection by Including Emotion Model using Stacking Ensemble Method

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 5, Page # 229–236, 2021; DOI: 10.25046/aj060525
Abstract:

Cyberbullying is a serious problem and caused an immense impact to the victim. To prevent the cyberbullying, the solution is to develop an automatic detection system. In this research, we propose a combined model for cyberbullying detection and emotion detection by using stacking method. The experiment is to create a better model for cyberbullying detection…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
16 Pages, 1,654 KB Download PDF

Machine Learning Algorithms for Real Time Blind Audio Source Separation with Natural Language Detection

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 5, Page # 125–140, 2021; DOI: 10.25046/aj060515
Abstract:

The Conv-TasNet and Demucs algorithms, can differentiate between two mixed signals, such as music and speech, the mixing operation proceed without any support information. The network of convolutional time-domain audio separations is used in Conv-TasNet algorithm, while there is a new waveform-to-waveform model in Demucs algorithm. The Demucs algorithm utilizes a procedure like the audio…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
18 Pages, 2,226 KB Download PDF

A Summary of Canonical Multivariate Permutation Entropies on Multivariate Fractional Brownian Motion

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 5, Page # 107–124, 2021; DOI: 10.25046/aj060514
Abstract:

Real-world applications modelled by time-dependent dynamical systems with specific properties such as long-range dependence or self-similarity are usually described by fractional Brownian motion. The investigation of the qualitative behaviour of its realisations is an important topic. For this purpose, efficient mappings from realisations of the dynamical system, i.e., time series, to a set of scalar-valued…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Statistics & Probability (STP))
Open AccessArticle
11 Pages, 1,735 KB Download PDF

Emotion Mining from Speech in Collaborative Learning

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 5, Page # 90–100, 2021; DOI: 10.25046/aj060512
Abstract:

Affective states, a dimension of attitude, have a critical role in the learning process. In the educational setting, affective states are commonly captured by self-report tools or based on sentiment analysis on asynchronous textual chats, discussions, or students’ journals. Drawbacks of such tools include: distracting the learning process, demanding time and commitment from students to…

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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
10 Pages, 606 KB Download PDF

Survey on Novelty Detection using Machine Learning Techniques

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 5, Page # 73–82, 2021; DOI: 10.25046/aj060510
Abstract:

Novelty detection affords to identify data patterns that stray strikingly from the normal behavior. it allows a good identification and classification of objects which were not known during the learning phase of the model. In this article, we will introduce an organized and comprehensive review of the study on novelty detection. We have grouped existing…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
9 Pages, 445 KB Download PDF

Cyber Incident Handling and the Perceptions of Learners on Cyber Incidents in South African Schools

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 5, Page # 23–31, 2021; DOI: 10.25046/aj060504
Abstract:

With increases in technological usage, cyber incidents are also on the rise and have become a major concern in schools across the globe. What is of significant concern is that cyber incidents in South African schools are also on the rise. Existing evidence suggests that, in South Africa there are no clear procedures that are…

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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
7 Pages, 882 KB Download PDF

SyncBIM: The Decision-Making BIM-Based Cloud Platform with Real-time Facial Recognition and Data Visualization

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 5, Page # 16–22, 2021; DOI: 10.25046/aj060503
Abstract:

In this research we developed an BIM-based system to monitor and visualize the real-time building users information. Concentrating on building in-use stages, advantages in tracking facial recognition should be revealed through the availability of real-time information. In this way could explore the possibility of how BIM and IoT could improve data-oriented facility management. The integration…

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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))
Open AccessArticle
8 Pages, 3,143 KB Download PDF

Personalized Clinical Treatment Selection Using Genetic Algorithm and Analytic Hierarchy Process

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 4, Page # 406–413, 2021; DOI: 10.25046/aj060446
Abstract:

The development of Machine Learning methods and approaches offers enormous growth opportunities in the Healthcare field. One of the most exciting challenges in this field is the automation of clinical treatment selection for patient state optimization. Using necessary medical data and the application of Machine Learning methods (like the Genetic Algorithm and the Analytic Hierarchy…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
9 Pages, 1,110 KB Download PDF

Automated Agriculture Commodity Price Prediction System with Machine Learning Techniques

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 4, Page # 376–384, 2021; DOI: 10.25046/aj060442
Abstract:

The intention of this research is to study and design an automated agriculture commodity price prediction system with novel machine learning techniques. Due to the increasing large amounts historical data of agricultural commodity prices and the need of performing accurate prediction of price fluctuations, the solution has largely shifted from statistical methods to machine learning…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Artificial Intelligence in Computer Science (CAI))
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