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Open AccessArticle
11 Pages, 1,234 KB Download PDF

EEG Feature Extraction based on Fast Fourier Transform and Wavelet Analysis for Classification of Mental Stress Levels using Machine Learning

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 6, Page # 46–56, 2023; DOI: 10.25046/aj080606
Abstract:

Mental stress assessment remains riddled with biases caused by subjective reports and individual differences across societal backgrounds. To objectively determine the presence or absence of mental stress, there is a need to move away from the traditional subjective methods of self-report questionnaires and interviews. Previously, it has been evidence that EEG Oscillations can discriminate mental…

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(This article belongs to the SP15 (Special Issue on Innovation in Computing, Engineering Science & Technology 2023) & Section Biomedical Engineering (EBI))
Open AccessArticle
9 Pages, 8,945 KB Download PDF

Infrastructure-as-a-Service Ontology for Consumer-Centric Assessment

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 6, Page # 37–45, 2023; DOI: 10.25046/aj080605
Abstract:

In the context of adopting cloud Infrastructure-as-a-Service (IaaS), prospective consumers need to consider a wide array of both business and technical factors associated with the service. The development of an intelligent tool to aid in the assessment of IaaS offerings is highly desirable. However, the creation of such a tool requires a robust foundation of…

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(This article belongs to the SP15 (Special Issue on Innovation in Computing, Engineering Science & Technology 2023) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
11 Pages, 1,172 KB Download PDF

Social Media Text Summarization: A Survey Towards a Transformer-based System Design

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 6, Page # 26–36, 2023; DOI: 10.25046/aj080604
Abstract:

Daily life is characterized by a great explosion of abundance of information available on the internet and social media. Smart technology has radically changed our lives, giving a leading role to social media for communication, advertising, information and exchange of opinions. Managing this huge amount of data by humans is an almost impossible task. Adequacy…

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(This article belongs to the SP15 (Special Issue on Innovation in Computing, Engineering Science & Technology 2023) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
7 Pages, 972 KB Download PDF

Tree-Based Ensemble Models, Algorithms and Performance Measures for Classification

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 6, Page # 19–25, 2023; DOI: 10.25046/aj080603
Abstract:

An ensemble method is a Machine Learning (ML) algorithm that aggregates the predictions of multiple estimators or models. The purpose of an ensemble module is to provide better predictive performance than any single contributing model. This can be achieved by producing a predictive model with reduced variance using bagging, and bias using boosting. The Tree-Based…

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(This article belongs to the SP15 (Special Issue on Innovation in Computing, Engineering Science & Technology 2023) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
11 Pages, 2,330 KB Download PDF

IoT System and Deep Learning Model to Predict Cardiovascular Disease Based on ECG Signal

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 6, Page # 08–18, 2023; DOI: 10.25046/aj080602
Abstract:

In this work, our contribution will intervene to reduce the impact of noises on the ECG signals. Various ECG denoising approaches were tested to see how efficient they were in removing dominant noises that add to pure ECG signals. Due to different causes such as interference, muscular noise, body movement related to breathing, and so…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
20 Pages, 1,580 KB Download PDF

Condition Assessment of Medium Voltage Assets: A Review

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 5, Page # 35–54, 2023; DOI: 10.25046/aj080505
Abstract:

Condition assessment of medium voltage assets is essential to ensure reliability and cost-effective operation of power distribution networks. This article presents a literature review of condition assessment of medium voltage assets related to a distribution system in a non-interconnected zone in Colombia, namely, power transformers, photovoltaic systems, switchgear, lines and cables, and instrument transformers. Advanced…

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(This article belongs to the SP15 (Special Issue on Innovation in Computing, Engineering Science & Technology 2023) & Section Electrical Engineering (ELE))
Open AccessArticle
9 Pages, 6,730 KB Download PDF

Augmented Reality Based Visual Programming of Robot Training for Educational Demonstration Site

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 5, Page # 8–16, 2023; DOI: 10.25046/aj080502
Abstract:

The human resource development of robotics and automation in the smart factory is an important factor in “Thailand 4.0” roadmap, which is following the industry 4.0 model. To pursue this goal of Thailand 4.0 roadmap of labor development, the effective and intuitive training system must be easy to understand. This study proposes the implementation of…

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(This article belongs to the SP15 (Special Issue on Innovation in Computing, Engineering Science & Technology 2023) & Section Robotics (ROB))
Open AccessArticle
9 Pages, 4,913 KB Download PDF

SEVEN ReImagined: A Transmedia Storytelling Evolution Proposal

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 4, Page # 122–130, 2023; DOI: 10.25046/aj080414
Abstract:

“Seven ReImagined” is an innovative transmedia storytelling project that reshapes the exploration of the seven deadly sins in a modern context. Building upon the original artwork “Seven”, this venture incorporates traditional media, digital tools, and the latest immersive technologies to cultivate profound user engagement and interaction. The project’s objective is to enhance understanding of timeless…

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(This article belongs to Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
10 Pages, 903 KB Download PDF

Application of Lean Practices in Food Supply Chain: The Case of Morocco

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 4, Page # 101–110, 2023; DOI: 10.25046/aj080412
Abstract:

Recent studies show the benefits of lean manufacturing implementation in agri-food industries to improve operational and environmental performance. However, only a restricted number of studies have addressed the implementation of lean practices in food companies located in developing countries. This study aims to assess the current implementation status of lean practices in Moroccan agri-food companies,…

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(This article belongs to Section Industrial Engineering (EID))
Open AccessArticle
10 Pages, 1,218 KB Download PDF

Detailed Study of a Proposal for a Computer Based Tutoring Strategy

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 3, Page # 1–10, 2023; DOI: 10.25046/aj080301
Abstract:

In this article, we propose a new tutoring strategy to combat school dropout in Morocco. This strategy is based on a collaborative approach involving educational administration and teachers at the national level to ensure equity and equal opportunities for all Moroccan students, on the one hand, and the quality of the training, on the other.…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
8 Pages, 2,069 KB Download PDF

MRI Semantic Segmentation based on Optimize V-net with 2D Attention

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 4, Page # 73–80, 2023; DOI: 10.25046/aj080409
Abstract:

Over the past ten years, deep learning models have considerably advanced research in artificial intelligence, particularly in the segmentation of medical images. One of the key benefits of medical picture segmentation is that it allows for a more accurate analysis of anatomical data by separating only pertinent areas. Numerous studies revealed that these models could…

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(This article belongs to the SP15 (Special Issue on Innovation in Computing, Engineering Science & Technology 2023) & Section Biomedical Engineering (EBI))
Open AccessArticle
7 Pages, 1,226 KB Download PDF

Distribution Management Problem: Heuristic Solution for Vehicle Routing Problem with Time Windows (VRPTW) in the Moroccan Petroleum Sector

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 4, Page # 66–72, 2023; DOI: 10.25046/aj080408
Abstract:

The attributes of the vehicle routing problem (VRP) are as many additional characteristics or constraints which aim to better take into account the specificities of real application cs. The variants of the VRP thus formed are the support of an extremely rich literature, comprising an immense variety of heuristics. This article constitutes an industrial application…

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(This article belongs to the SP14 (Special Issue on Computing, Engineering and Multidisciplinary Sciences 2022-23) & Section Transportation Science & Technology (TST))
Open AccessArticle
6 Pages, 1,358 KB Download PDF

Proportional Derivative and Proportional Integral Derivative Controllers for Frequency Support of a Wind Turbine Generator in a Diesel Generation Mix

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 4, Page # 60–65, 2023; DOI: 10.25046/aj080407
Abstract:

The levelized cost of electricity production is highly dependent on the cost of fuel oil on the world market. In order to reduce the dependency on the fuel oil, many countries are adopting an energy transition towards distributed generation. Distributed generation can be described as various means of generating electricity at or near where it…

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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
5 Pages, 1,250 KB Download PDF

Fuzzy MPPT for PV System Based on Custom Defuzzification

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 4, Page # 36–40, 2023; DOI: 10.25046/aj080405
Abstract:

Due to the variations in weather conditions, photovoltaic systems adopt a technique based on maximum power point tracking to extract the maximal power of the solar module. In the literature, there are many different methods classical and intelligent of maximum power point tracking (MPPT). But, due to the semiconductor effect, the current-voltage characteristics of the…

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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
10 Pages, 10,758 KB Download PDF

Localization of Impulsive Sound Source in ShallowWaters using a Selective Modal Analysis Algorithm

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 4, Page # 18–27, 2023; DOI: 10.25046/aj080403
Abstract:

Passive remote monitoring applications of underwater signal processing in a shallow water environment are an impactful area of research for environmental and marine-life monitoring. The majority of the sound source localization techniques require carefully placed synchronized hydrophone arrays, which can be complicated and hard to maintain. In this paper, we utilized the modal dispersions of…

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(This article belongs to the SP14 (Special Issue on Computing, Engineering and Multidisciplinary Sciences 2022-23) & Section Ecology (ECO))
Open AccessArticle
10 Pages, 7,684 KB Download PDF

Doubling the Number of Connected Devices in Narrow-band Internet of Things while Maintaining System Performance: An STC-based Approach

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 4, Page # 01–10, 2023; DOI: 10.25046/aj080401
Abstract:

Narrow-band Internet of Things (NB-IoT) is a low-power wide-area network (LPWAN) method that was first launched by the 3rd generation partnership project (3GPP) Rel-13 with the purpose of enabling low-cost, low-power, and wide-area cellular connections for the Internet of Things (IoT). As the demand for over-the-air services grows and with the number of linked wireless…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
10 Pages, 7,409 KB Download PDF

Improving License Plate Identification in Morocco: Intelligent Region Segmentation Approach, Multi-Font and Multi-Condition Training

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 3, Page # 262–271, 2023; DOI: 10.25046/aj080329
Abstract:

The exponential growth in the number of automobiles over the past few decades has created a pressing need for a robust license plate identification system that can perform effectively under various conditions. In Morocco, as in other regions, local authorities, public organizations, and private companies require a reliable License Plate Recognition (LPR) system that takes…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
6 Pages, 2,631 KB Download PDF

Simulation of Obstacle Detection Based on Optical Flow Images for Avoidance Control of Mobile Robots

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 3, Page # 244–249, 2023; DOI: 10.25046/aj080327
Abstract:

The article presents a simulation of obstacle detection based on noise-free optical flow images for motion control of mobile robots. The detection of hazardous areas in optical flow images is accomplished by dividing multiple layers of optical flow vectors into equal parts. Based on the results of calculating the average magnitude of the vectors in…

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(This article belongs to the SP15 (Special Issue on Innovation in Computing, Engineering Science & Technology 2023) & Section Robotics (ROB))
Open AccessArticle
13 Pages, 1,851 KB Download PDF

How a Design-Based Research Approach Supported the Development and Rapid Adaptation Needed to Provide Enriching Rural STEM Camps During COVID and Beyond

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 3, Page # 218–230, 2023; DOI: 10.25046/aj080325
Abstract:

Like many STEM research projects, the members of the National Science Foundation-funded STEM SEALS project dramatically shifted from in-person delivery of a summer institute to distance-learning with minimal time for preparation. However, the daunting challenge also offered the unique opportunity to apply Design-based Research within an exploratory study to inform and document the progression and…

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(This article belongs to the SP14 (Special Issue on Computing, Engineering and Multidisciplinary Sciences 2022-23) & Section Education (EDU))
Open AccessArticle
6 Pages, 856 KB Download PDF

Minimum Static VAR Compensation Capacity for Bad Voltage Drop Buses in Power Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 3, Page # 212–217, 2023; DOI: 10.25046/aj080324
Abstract:

The quality of the electric power system must be maintained properly, one of which is voltage. Under certain operating conditions, the bus voltage may drop below its minimum level, called bad voltage. A large reactive load can cause a voltage drop across the bus or the location of the bus is far from the generator…

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(This article belongs to the SP15 (Special Issue on Innovation in Computing, Engineering Science & Technology 2023) & Section Electrical Engineering (ELE))
Open AccessArticle
10 Pages, 2,066 KB Download PDF

Three-phase Continuously Variable Series Reactor – Realistic Modeling and Analysis

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 3, Page # 202–211, 2023; DOI: 10.25046/aj080323
Abstract:

Continuously Variable Series Reactor (CVSR) is a device that can vary the reactance in an ac circuit by controlling the magnetization of a ferromagnetic core, shared by ac and dc windings. The bias dc current can change the equivalent ac reactance(inductance) in order to, for example, control load flow, damp oscillations, or fault current limitation.…

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(This article belongs to the SP14 (Special Issue on Computing, Engineering and Multidisciplinary Sciences 2022-23) & Section Electronic Engineering (EEE))
Open AccessArticle
8 Pages, 2,101 KB Download PDF

Smart Healthcare Kit for Domestic Purposes

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 3, Page # 170–177, 2023; DOI: 10.25046/aj080319
Abstract:

The COVID-19 pandemic has caused a substantial death toll throughout the world. The pandemic has created a threat to public health, the economy, food systems, and the workplace. An increased reprioritization of health expenditure towards COVID-19 vaccines will impact on allocations to other medical facilities. In developing countries, hospitals shortage the infrastructure to facilitate patients.…

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(This article belongs to the SP14 (Special Issue on Computing, Engineering and Multidisciplinary Sciences 2022-23) & Section Bioinformatics (BIF))
Open AccessArticle
9 Pages, 2,146 KB Download PDF

Design and Implementation of an Automated Medicinal-Pill Dispenser with Wireless and Cellular Connectivity

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 3, Page # 161–169, 2023; DOI: 10.25046/aj080318
Abstract:

Medical adherence is a major concern globally and is increasing with improved access to medication. Unfortunately, patients taking multiple medications often struggle with confusion about when and how to take each medication. To address this issue, an inexpensive domestic device has been proposed to improve medication adherence. This device uses Wi-Fi and cellular Internet of…

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(This article belongs to the SP14 (Special Issue on Computing, Engineering and Multidisciplinary Sciences 2022-23) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
7 Pages, 9,194 KB Download PDF

Photoluminescence Properties of Eu(III) Complexes with Two Different Phosphine Oxide Structures and Their Potential uses in Micro-LEDs, Security, and Sensing Devices: A Review

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 3, Page # 154–160, 2023; DOI: 10.25046/aj080317
Abstract:

In the field of micro-LED displays, there is strong demand for red phosphors with high photoluminescence intensity, high color purity, and small particle size. Here, we focus on Eu(III) complexes because they produce sharp photoluminescence spectra with high color purity and can be dissolved in polymer, enabling a reduction in particle size to the molecular…

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(This article belongs to the SP14 (Special Issue on Computing, Engineering and Multidisciplinary Sciences 2022-23) & Section Multidisciplinary Materials Science (MMU))
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))

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