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Open AccessArticle
12 Pages, 8,105 KB Download PDF

Buton Rock Asphalt Paving Block Innovation using Waste Engine Oil and Recycled Concrete Aggregate

Advances in Science, Technology and Engineering Systems Journal, Volume 9, Issue 2, Page # 55–66, 2024; DOI: 10.25046/aj090207
Abstract:

Road surface coating using concrete paving block cement has been used for a long time. As an aggregate binding agent, asphalt can be made into paving blocks. Utilizing waste in the recycling process is an activity to control the sustainability of natural resources. Waste Engine Oil and Recycled Concrete Aggregate can be used as road…

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(This article belongs to Section Transportation Science & Technology (TST))
Open AccessArticle
11 Pages, 1,210 KB Download PDF

Colorized iVAT Images for Labeled Data

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 4, Page # 111–121, 2023; DOI: 10.25046/aj080413
Abstract:

A 2-dimensional numerical data set X = {x1,…,xn} with associated category labels {l1,…,ln} can be accurately represented in a 2-dimensional scatterplot where color is used to represent each datum’s label. The colorized scatterplot indicates the presence or absence of spatial clusters in X and any special distribution of labels among those clusters. The same approach…

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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
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
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, 4,977 KB Download PDF

Accuracy Improvement-Based Wireless Sensor Estimation Technique with Machine Learning Algorithms for Volume Estimation on the Sealed Box

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 3, Page # 108–117, 2023; DOI: 10.25046/aj080313
Abstract:

Currently, the quality and quantity of product must be inspected before transporting. Currently the popular unsealing box product inspecting is performed by weighing the box where the errors occur according to the tolerance of the weighting machine and tolerance weight of the product. On the other hand, the quantity of product can be inspected automatically…

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(This article belongs to the SP15 (Special Issue on Innovation in Computing, Engineering Science & Technology 2023) & Section Manufacturing Engineering (EMF))
Open AccessArticle
15 Pages, 1,077 KB Download PDF

Association Rules for Knowledge Discovery From E-News Articles: A Review of Apriori and FP-Growth Algorithms

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 5, Page # 178–192, 2022; DOI: 10.25046/aj070519
Abstract:

Owing to technological development, the internet has become the world’s largest platform where an unaccountable amount of e-news information is freely available to use. Most of the time, e-newspaper readers have to examine the massive collection of e-news articles to locate necessary information relevant to them. Massive semi-structured and unstructured texts usually mislead the readers…

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(This article belongs to the SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
13 Pages, 40,686 KB Download PDF

Automated Robotic System for Sample Preparation and Measurement of Heavy Metals in Indoor Dust Using Inductively Coupled Plasma Mass Spectrometry (ICP-MS)

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 3, Page # 139–151, 2022; DOI: 10.25046/aj070316
Abstract:

Dust is ubiquitous in our daily environment—outdoor and indoor. In modern times, people often spend the majority of their time at home, in offices, at work or in schools. Suspended particles such as tiny crumbs up to long fibers generate indoor dust deposits. Inhouse sources are the interior releasing abraded fibers from carpets, bedding and…

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(This article belongs to the SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Biomedical Engineering (EBI))
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
7 Pages, 1,040 KB Download PDF

Study and Implementation of LEDs Drivers with Dimming Capability

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 6, Page # 130–136, 2021; DOI: 10.25046/aj060617
Abstract:

Nowadays, LED lights take an important place in our daily lives and they have known a great growth in indoor as well as in outdoor lighting applications. LED (Light Emitting Diode) light sources including their own drivers have excluded many systems fitted with both inefficient light sources. In this paper we present, a LED driver…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
14 Pages, 2,270 KB Download PDF

Improving of Heat Spreading in a SiC Propulsion Inverter using Graphene Assembled Films

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 6, Page # 98–111, 2021; DOI: 10.25046/aj060614
Abstract:

The focus of this work is first to establish the effect of the chip temperature and thermal feedback on the determination of the power loss in a three-phase propulsion inverter, then to demonstrate the possibility of achieving an improved heat spreading through the different layers inside a SiC power module by using graphene assembled films…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Electronic Engineering (EEE))
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
9 Pages, 997 KB Download PDF

Coupled Apodization Functions Applied to Enhance Image Quality in Ultrasound Imaging using Phased Arrays

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 5, Page # 149–157, 2021; DOI: 10.25046/aj060517
Abstract:

The remarkable presence of side lobes levels in ultrasound B-mode imaging significantly decreases the image quality. Therefore, the use of an apodization function is of great importance. Linear windowing functions are among the most efficient techniques used to optimize antenna directivity by suppression of the side lobes. However, the apodization causes the degradation of lateral…

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(This article belongs to Section Biomedical Engineering (EBI))
Open AccessArticle
11 Pages, 1,286 KB Download PDF

Initial Experiments using Game-based Learning Applied in a Classical Knowledge Robotics in In-Person and Distance Learning Classroom

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 4, Page # 212–222, 2021; DOI: 10.25046/aj060425
Abstract:

This paper addresses experiments with Scratch-developed games in the robotics introduction course at the Federal University of Technology – Paraná. It aims at assisting learning of classical and initial robotics concepts. This proposal, similar to the classic 80s war tanks game on Atari 2600, was developed using an autonomous vehicle. In the first experiment, applied…

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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
5 Pages, 625 KB Download PDF

Mechanical Characterization of Recycled Aggregates Concrete Based on its Compressive Strength

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 3, Page # 35–39, 2021; DOI: 10.25046/aj060305
Abstract:

The construction industry has undergone several changes in recent years linked to new laws and international conventions aimed at protecting the environment and combating pollution. Construction industry alone produces tons of waste annually due to debris produced either during construction or during deconstruction. To combat this, companies are forced to control their debris either by…

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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
9 Pages, 1,860 KB Download PDF

LED Lighting and the Impact on the PLC Channel

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 933–941, 2021; DOI: 10.25046/aj0602106
Abstract:

Light Emitting Diode (LED) lamps are used as a replacement of “old-fashioned” or incandescent lighting sources, as they reduce the amount of energy consumed. As a side-effect of more efficient energy usage they produce electrical noise. This noise reduces the efficiency of information signal transfer when Power Line Communications (PLC) are used. This study focuses…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
16 Pages, 1,990 KB Download PDF

Detailed Assessment of Dissaving Risk Against Life Expectancy for Elderly People using Anonymous Data and/or Random Data: A Review

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 871–886, 2021; DOI: 10.25046/aj0602100
Abstract:

With a view to detecting whether economic activity deterioration for elderly people at age of sixty-five or over could be observed, anonymous data (AD) were used as analysis data, which were obtained from the National Survey of Family Income and Expenditure (NSFIE) conducted by the Ministry of Internal Affairs and Communications (MIC). We have developed…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Environmental Sciences (ENS))
Open AccessArticle
9 Pages, 962 KB Download PDF

Development of an EEG Controlled Wheelchair Using Color Stimuli: A Machine Learning Based Approach

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 754–762, 2021; DOI: 10.25046/aj060287
Abstract:

Brain-computer interface (BCI) has extensively been used for rehabilitation purposes. Being in the research phase, the brainwave based wheelchair controlled systems suffer from several limitations, e.g., lack of focus on mental activity, complexity in neural behavior in different conditions, and lower accuracy. Being sensitive to the color stimuli, the EEG signal changes promises a better…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Bioinformatics (BIF))
Open AccessArticle
10 Pages, 1,075 KB Download PDF

Dependence of the Knowledge Structure of the Company Employees on a Set of the Competencies

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 699–708, 2021; DOI: 10.25046/aj060281
Abstract:

The article substantiates the relevance of conducting research on the structural characteristics of a company’s employee knowledge, which is the result of his mental activity and his practical experience. The conditions under which information becomes a source of employee knowledge are determined. An abstract analysis of the process of transforming knowledge into an intellectual product…

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(This article belongs to Section Engineering Management (EMM))
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
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
9 Pages, 517 KB Download PDF

The Impact of eLearning as a Knowledge Management Tool in Organizational Performance

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 928–936, 2021; DOI: 10.25046/aj0601102
Abstract:

This paper aims to understand the impact of eLearning capabilities on organizational performance. It also addresses the obstacles of organizational learning using eLearning methods and highlighting some emerging trends and technologies that will impact the eLearning experience in organizations. It examines a brief history of knowledge management and how it is related to learning, organizational…

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(This article belongs to the isaect-20 (Special Issue on Advanced Electrical and Communication Technologies 2020) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
6 Pages, 654 KB Download PDF

The Mediating Role of Entrepreneurial Orientation on the Knowledge Creation-Firm Performance Nexus: Evidence from Indonesian IT Companies

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 922–927, 2021; DOI: 10.25046/aj0601101
Abstract:

Disruptive innovation has created fast changes in the business environment and competition among companies, especially on information technology companies. Knowledge creation and entrepreneurial orientation are two variables that can improve firm performance. There is still limited study on how knowledge creation and entrepreneurial orientation both affects firm performance. This study aims to discuss how to…

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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
7 Pages, 923 KB Download PDF

Durability of Recycled Aggregate Concrete

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 735–741, 2021; DOI: 10.25046/aj060180
Abstract:

Many countries all over the world are promoting the recycled aggregate concrete for its advantage to solve the problem of shortage of natural resources in aggregates as well as promoting the recycling of waste and the reuse of materials. Recycled aggregate concrete replaces natural concrete with various rates of restitution of natural aggregates into recycled…

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(This article belongs to Section Civil Engineering (ECV))
Open AccessArticle
9 Pages, 349 KB Download PDF

Data Aggregation, Gathering and Gossiping in Duty-Cycled Multihop Wireless Sensor Networks subject to Physical Interference

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 369–377, 2021; DOI: 10.25046/aj060142
Abstract:

Data aggregation, gathering and gossiping are all vital communication tasks in wireless sensor networks (WSNs). When all networking devices are always active, scheduling algorithms for these communication tasks have been extensively investigated under both the protocol and physical interference models. However, wireless devices usually switch between the sleep state and the active state for the…

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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
16 Pages, 1,640 KB Download PDF

Multi-Criteria Decision Analysis Coupled with GIS and Remote Sensing Techniques for Delineating Suitable Artificial Aquifer Recharge Sites in Tafilalet Plain (Morocco)

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1109–1124, 2020; DOI: 10.25046/aj0506135
Abstract:

Despite that groundwater is an important and vital water resource, it is not well managed; depletion of aquifers around the world due to overexploitation is of serious concern especially in arid regions where the situation is much more alarming. Tafilalet plain in Morocco which belongs to this type of environment is certainly no exception and…

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