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Open AccessArticle
5 Pages, 914 KB Download PDF

Controlling A Multiphase Induction Motor with Multilevel Converter Paradigm

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 641–645, 2021; DOI: 10.25046/aj060274
Abstract:

Induction motors (IM) are used widely in high energy applications where high torque is required such as ships/ aircrafts manufacturing industry. Those motor drivers are populated in many advantages especially their wide control strategies. However, new technology is invented for enhancing efficiency and smoothing the torque curve by increasing number of phases in the motor…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
6 Pages, 1,057 KB Download PDF

Comparative Study of Control Algorithms Through Different Converters to Improve the Performance of a Solar Panel

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 629–634, 2021; DOI: 10.25046/aj060272
Abstract:

This article aims at comparing two controls to follow the maximum power point, making use of DC-DC converters for PV uses. All transformers operate continuously. To fulfil maximum power, we will exploit two MPPT controls: a traditional perturb – observe ‘P&O’ and a smart one – the fuzzy logic ‘FL’. The goal of this article…

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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
7 Pages, 876 KB Download PDF

Application of Piecewise Linear Approximation of the UAV Trajectory for Adaptive Routing in FANET

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 559–565, 2021; DOI: 10.25046/aj060263
Abstract:

A significant problem of routing protocols in the Flying Ad Hoc Networks (FANET) is a significant overhead cost due to the high mobility of networking nodes. The problem is caused by a need to send information messages about locations of unmanned aerial vehicles (UAVs). In order to reduce the amount of service information, the following…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Network Engineering (ENW))
Open AccessArticle
7 Pages, 714 KB Download PDF

Using Supervised Classification Methods for the Analysis of Multi-spectral Signatures of Rice Varieties in Panama

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 552–558, 2021; DOI: 10.25046/aj060262
Abstract:

In this article supervised classification methods for the analysis of local Panamanian rice crops using Near-Infrared (NIR) spectral signatures are assessed. Neural network ( Multilayer Perceptron-MLP) and Tree based (Decision Trees-DT and Random Forest-RF) algorithms are used as regression and supervised classification of the spectral signatures by rice varieties, against other crops and by plant…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Agricultural Engineering (AEN))
Open AccessArticle
11 Pages, 938 KB Download PDF

Complex Order PI\(^{a+jb}\)D\(^{c+jd}\) Controller Design for a Fractional Order DC Motor System

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 541–551, 2021; DOI: 10.25046/aj060261
Abstract:

Industry 4.0 implementation stipulates effective actuator control. In the present work, a complex order PIa+jb Dc+jd (COPID) controller was designed for a fractional order model of a direct current (DC) motor system. For comparisons, the DC motor system model was also controlled using the conventional proportional integral (PI), proportional integral derivative (PID), proportional resonant (PR) and fractional…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Automation & Control Systems (ACS))
Open AccessArticle
8 Pages, 2,664 KB Download PDF

Design Approach of an Electric Single-Seat Vehicle with ABS and TCS for Autonomous Driving Based on Q-Learning Algorithm

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 464–471, 2021; DOI: 10.25046/aj060253
Abstract:

Compared to other types of autonomous vehicles, the single-seat is the simplest when designing, since its compact design makes it an option that can simplify different mechanical aspects and enhance those of greater importance such as the steering and the braking system. Likewise, the electronic and electrical design may be a great improvement on the…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Automation & Control Systems (ACS))
Open AccessReview
16 Pages, 2,343 KB Download PDF

Vehicle Number Plate Detection and Recognition Techniques: A Review

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 423–438, 2021; DOI: 10.25046/aj060249
Abstract:

Vehicle number plate detection and recognition is an integral part of the Intelligent Transport System (ITS) as every vehicle has a number plate as part of its identity. The quantity of vehicles on road is growing in the modern age, so numerous crimes are also increasing day by day. Almost every day the news of…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
9 Pages, 1,013 KB Download PDF

Ontology Based Privacy Preservation over Encrypted Data using Attribute-Based Encryption Technique

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 378–386, 2021; DOI: 10.25046/aj060244
Abstract:

The web documents are automatically interacting to discover the information by web mining, which is one of the applications of Cloud Computing (CC) technologies. These documents may be in the form of structured, semi-structured, or unstructured formats. In current web technologies, the Semantic Web is an extension for better enabling the people and computers to…

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(This article belongs to Section Cybernetics in Computer Science (CCY))
Open AccessArticle
8 Pages, 1,100 KB Download PDF

Architecture of Real-Time Patient Health Monitoring Based on 5G Technologies

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 351–358, 2021; DOI: 10.25046/aj060240
Abstract:

Worldwide, the epidemiological situation is constantly changing and with the exponential increase in the number of confirmed coronavirus cases, the number of health care workers has decreased significantly and this is due to the direct and daily contact of patients. One of the major challenges of the last few months is to prevent the spread…

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(This article belongs to Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
11 Pages, 1,067 KB Download PDF

A Grounded Theory Approach to Digital Transformation in the Postal Sector in Southern Africa

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 313–323, 2021; DOI: 10.25046/aj060236
Abstract:

This paper describes a qualitative research design adopted in this study guided by deployment of a Grounded Theory (GT) methodology which was deployed to synthesize literature on technology adoption and digital transformation with an objective of developing theory. The philosophical worldview adopted was interpretivism/constructivist of a qualitative grounded theory inductive (theory building) approach where secondary…

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(This article belongs to Section Engineering Management (EMM))
Open AccessArticle
8 Pages, 591 KB Download PDF

Improved Detection of Advanced Persistent Threats Using an Anomaly Detection Ensemble Approach

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 295–302, 2021; DOI: 10.25046/aj060234
Abstract:

Rated a high-risk cyber-attack type, Advanced Persistent Threat (APT) has become a cause for concern to cyber security experts. Detecting the presence of APT in order to mitigate this attack has been a major challenge as successful attacks to large organizations still abound. Our approach combines static rule anomaly detection through pattern recognition and machine…

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(This article belongs to Section Cybernetics in Computer Science (CCY))
Open AccessArticle
8 Pages, 2,200 KB Download PDF

Design Optimization of Open Office Building Form for Thermal Energy Performance using Genetic Algorithm

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 254–261, 2021; DOI: 10.25046/aj060228
Abstract:

Consideration of building energy performance in the early stage of the design process is very important to help minimizing energy consumed by the built environment. Therefore, help in minimizing energy crisis problem. Optimization of building form and orientation at the early stage of the design process can save a significant amount of energy consumed by…

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(This article belongs to Section Architectural Engineering (EAH))
Open AccessArticle
9 Pages, 1,367 KB Download PDF

Forecasting Gold Price in Rupiah using Multivariate Analysis with LSTM and GRU Neural Networks

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 245–253, 2021; DOI: 10.25046/aj060227
Abstract:

Forecasting the gold price movement’s volatility has essential applications in areas such as risk management, options pricing, and asset allocation. The multivariate model is expected to generate more accurate forecasts than univariate models in time series data like gold prices. Multivariate analysis is based on observation and analysis of more than one statistical variable at…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
13 Pages, 886 KB Download PDF

Categorization of RDF Data Management Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 221–233, 2021; DOI: 10.25046/aj060225
Abstract:

The wide acceptance of the semantic web language RDF for ontologies creation in various application fields has led to the emergence of numerous RDF data processing solutions, the so-called triplestores, for the storage of RDF data and its querying using the RDF query language SPARQL. Such solutions are however developed under various perspectives and on…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
5 Pages, 860 KB Download PDF

Variation of the Air-Fuel Ratio with Inlet Pressure, Temperature and Density

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 190–194, 2021; DOI: 10.25046/aj060222
Abstract:

The control of the air-fuel ratio (AFR) is critical for the efficiency of the combustion. This is for achieving the better performance of the plant and result in high output energy. Computation of the AFR is gone considering the composition of the fuel regardless of the inlet pressure, density ad temperature of both fuel and…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
10 Pages, 2,914 KB Download PDF

A Hybrid NMF-AttLSTM Method for Short-term Traffic Flow Prediction

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 175–184, 2021; DOI: 10.25046/aj060220
Abstract:

In view of the current short-term traffic flow prediction methods that fail to fully consider the spatial correlation of traffic flow, and fail to make full use of historical data features, resulting in low prediction accuracy and poor robustness. Therefore, in paper, combining Non-negative Matrix Factorization (NMF) and LSTM model Based on Attention Mechanism (AttLSTM),…

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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
14 Pages, 606 KB Download PDF

A Large Empirical Study on Automatically Classifying Software Maintainability Concerns from Issue Summaries

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 161–174, 2021; DOI: 10.25046/aj060219
Abstract:

Software maintenance contributes the majority of software system life cycle costs. However, existing approaches with automated code analysis are limited by accuracy and scope. Using human-assessed methods or implementing quality standards are more comprehensive alternatives, but they are much more costly for smaller organizations, especially in open- source software projects. Instead, bugs are generally used…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
9 Pages, 764 KB Download PDF

Analyzing the Adoption of E-payment Services in Smart Cities using Demographic Analytics: The Case of Dubai

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 113–121, 2021; DOI: 10.25046/aj060214
Abstract:

This paper is an extension of previous research that has been done on factors affecting digital payment adoption in the UAE. This study focuses on analyzing which relevant demographic factors affect new e-payment technologies, mainly in the smart city Dubai, with more complexities and dynamics of variables that affect users’ behavior toward adopting new technologies.…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
8 Pages, 4,196 KB Download PDF

Design and Implementation of an Ultrasonic Scanner Setup that is Controlled using MATLAB and a Microcontroller

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 85–92, 2021; DOI: 10.25046/aj060211
Abstract:

This paper describes an experimental setup that employs ultrasound to scan an area. This method utilizes ultrasonic waves to scan the surface of a submerged object in a water-coupled medium. A pulse-echo mode is used, and quantitative data are collected at various positions using a two- dimensional automated table. A microcontroller controls the motion of…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Acoustics (ACO))
Open AccessArticle
10 Pages, 1,820 KB Download PDF

Fuzzy Analytical Hierarchy Process and Fuzzy Comprehensive Evaluation Method Applied to Assess and Improve Human and Organizational Factors Maturity in Mining Industry

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 75–84, 2021; DOI: 10.25046/aj060210
Abstract:

The literature shows a growing interest in taking into account human and organizational factors (HOFs) to achieve safe and successful human performance by reducing the risk of errors. In this sense, the concept of maturity models aims to help companies in the integration of these factors by assessing the current level of maturity and define…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
10 Pages, 1,026 KB Download PDF

Evaluation the Effects of Climate Change on the Flow of the Arkansas River – United States

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 65–74, 2021; DOI: 10.25046/aj060209
Abstract:

The behavior of rivers’ hydrology and flow under changing climate has been an objective of interest for long time. In this study the impacts of climate change on streamflow of the Arkansas River will be investigated. The paper is an extension of work originally presented in ASET conference in Dubai. The Arkansas River is a…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Ocean Engineering (EOC))
Open AccessArticle
7 Pages, 968 KB Download PDF

Green Blocks Made of Recycled Construction Waste using Recycled Wastewater

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 51–57, 2021; DOI: 10.25046/aj060207
Abstract:

This study tests the feasibility of manufacturing concrete blocks made of recycled materials. The paper is an extension of work originally presented in ASET conference in Dubai. The paper, depicts and analyzes how the characteristics of the blocks (strength/durability) are affected by the presence of recycled concrete ingredients (recycled aggregate (RA)) and recycled water (RW).…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Construction & Building Technology (CBT))
Open AccessArticle
8 Pages, 1,121 KB Download PDF

The Analysis of Standard Uncertainty of Six Degree of Freedom (DOF) Robot

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 43–50, 2021; DOI: 10.25046/aj060206
Abstract:

Robotic arms or industrial robots are a machinery that is widely used in the medical and military industries because it is a flexible, highly accurate and reliable. It is very necessary to work in complex tasks requiring more accuracy than humans can work. This paper presents an estimate of the standard uncertainty of 6 DOF…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
8 Pages, 2,246 KB Download PDF

Fusion of Optical and Microfabricated Eddy-Current Sensors for the Non-Destructive Detection of Grinding Burn

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1414–1421, 2021; DOI: 10.25046/aj0601160
Abstract:

A sensor fusion concept integrating the optical and microfabricated eddy-current sensor for the non-destructive testing of the grinding burn is reported. For evaluation, reference grinding burn with varying degrees are fabricated on 42CrMo4 tool steel cylinder. The complementary sensing nature of the proposed sensors for the non-destructive testing of the grinding burn is successfully achieved,…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Mechanical Engineering (EMH))
Open AccessArticle
19 Pages, 4,104 KB Download PDF

BrcLightning – Risk Analysis and Scaling for Protection against Atmospheric Discharge – Extender

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1384–1402, 2021; DOI: 10.25046/aj0601158
Abstract:

This manuscript intending to publicize the improvements incorporated in the BrcLightning application, including the Risk Analysis module with the help of a pop-up, which provides the result and assists in the identification of mitigating measures by the professional, which must be defined to reduce the calculated risks. Other points addressed in this extension are the…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Electrical Engineering (ELE))
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