Results (2358)

Search Parameters:

Keyword: RO
Order results
Results per page
Open AccessArticle
5 Pages, 993 KB Download PDF

Study of Thermo-Physical Characteristics and Drying of Araucaria Wood from the City of El Jadida, Morocco

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 274–278, 2021; DOI: 10.25046/aj060231
Abstract:

The aim of this study is, on the one hand learn about this type of wood, and on the other hand, is to study the processes the thermophysical characterization of araucaria wood from the city of el Jadida, Morocco, and on the other hand, will study the processes related to evaporation. Wood is defined industrially…

Read More
(This article belongs to Section Environmental Engineering (EEV))
Open AccessArticle
9 Pages, 984 KB Download PDF

Designing and Implementation of an Intelligent Energy Management System for Electric Ship power system based on Adaptive Neuro-Fuzzy Inference System (ANFIS)

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 195–203, 2021; DOI: 10.25046/aj060223
Abstract:

Artificial Intelligence (AI) is a promising trend in ship energy management systems (EMS). The motivations of this work are designing and implementation of an intelligent energy management system for ship’s electric power system based on an adaptive Neuro-Fuzzy Inference System (ANFIS) and the ship power source is an environmental friend system consists of proton exchange…

Read More
(This article belongs to Section Energy & Fuels (ENF))
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…

Read More
(This article belongs to the Special Issue on Multidisciplinary Sciences and Engineering 2020-21 & Section Information Systems in Computer Science (CIS))
Open AccessArticle
7 Pages, 1,019 KB Download PDF

Application of a Reusability Approach in Simulation of Heritage Buildings Performance, Taif- Saudi Arabia

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 132–138, 2021; DOI: 10.25046/aj060216
Abstract:

The main purpose of this paper is to present a reusability approach that helps the designer to assess the best practice to restore a heritage building. Based on the literature review, the reusability process and attributes was used as a method to restore the heritage building. Considering these approaches helps the designer to achieve useful…

Read More
(This article belongs to the Special Issue on Multidisciplinary Sciences and Engineering 2020-21 & Section Construction & Building Technology (CBT))
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…

Read More
(This article belongs to the 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…

Read More
(This article belongs to the Special Issue on Multidisciplinary Sciences and Engineering 2020-21 & Section Interdisciplinary Applications of Computer Science (CSI))
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…

Read More
(This article belongs to the Special Issue on Multidisciplinary Sciences and Engineering 2020-21 & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
7 Pages, 1,755 KB Download PDF

Curved Pyramidal Metamaterial Absorber: From Theory to an Ultra-Broadband Application in the [0.3 – 30] GHz Frequency Band

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 29–35, 2021; DOI: 10.25046/aj060204
Abstract:

For its importance nowadays in a wide range of applications such as the anechoic chamber, we introduce a microwave ultra-broadband polarization-independent metamaterial absorber (MA) in the Ultra High Frequency (UHF)/ Super High Frequency (SHF) frequency bands. Through this work, we improved the Relative Absorptive Bandwidth (RAB) of the conventional pyramidal absorber (CPA) by modifying its…

Read More
(This article belongs to the Special Issue on Multidisciplinary Sciences and Engineering 2020-21 & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessReview
11 Pages, 773 KB Download PDF

How Ready is Renewable Energy? A Review Paper on Educational Materials and Reports Available for the Teaching of Hydrogen Fuel Cells in Schools

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 01–11, 2021; DOI: 10.25046/aj060201
Abstract:

Today, the costs of most Renewable Energy (RE) technologies especially hydrogen energy technologies such as fuel cells, are still beyond the means of poorer economies in developing countries. Hence, there is little public awareness and local expertise in RE in these countries and even lesser in hydrogen energy. To solve this problem, it is important…

Read More
(This article belongs to the Special Issue on Advanced Electrical and Communication Technologies 2020 & Section Green & Sustainable Science & Technology (GSS))
Open AccessArticle
5 Pages, 813 KB Download PDF

Iron-doped Nickel Oxide Nanoparticles Synthesis and Analyzing Different Properties

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1422–1426, 2021; DOI: 10.25046/aj0601161
Abstract:

This is a report describing the impact of calcination on the morphological and optical properties of nanoparticles Iron doped-nickel oxide. By synthetic precipitation, the technique makes use of it. Three samples have been calcined in different temperatures and were characterized by X-ray diffraction (XRD), Fourier transforms infrared spectroscopy (FTIR), UV spectroscopy, and scanning electron microscopy…

Read More
(This article belongs to Section Characterization & Testing in Materials Science (MCT))
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,…

Read More
(This article belongs to the Special Issue on Multidisciplinary Sciences and Engineering 2020-21 & Section Mechanical Engineering (EMH))
Open AccessArticle
11 Pages, 707 KB Download PDF

Exposure to Optical Radiation and Electromagnetic Fields at the Workplace: Criteria for Occupational Health Surveillance According to Current European Legislation

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1403–1413, 2021; DOI: 10.25046/aj0601159
Abstract:

A very large number of workers is occupationally exposed to Optical Radiation (OR) worldwide, while indeed nowadays an exposure to Electromagnetic fields (EMF) can occur in almost all workplaces. OR origin can be natural, including the most relevant source, i.e. the sun, or artificial, that can be further classified in incoherent and coherent, i.e. the…

Read More
(This article belongs to the Special Issue on Multidisciplinary Sciences and Engineering 2020-21 & Section Biophysics (BPH))
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…

Read More
(This article belongs to the Special Issue on Multidisciplinary Sciences and Engineering 2020-21 & Section Electrical Engineering (ELE))
Open AccessArticle
9 Pages, 357 KB Download PDF

Towards a Hybrid Probabilistic Timing Analysis

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1360–1368, 2021; DOI: 10.25046/aj0601155
Abstract:

Real-time embedded systems are widely adopted in applications such as automotive, avionics, and medical care. As some of these systems have to provide a guaranteed worst-case execution time to satisfy the time constraints, understanding the timing behaviour of such systems is of the utmost importance regarding the reliability and the safety of these systems. In…

Read More
(This article belongs to the Special Issue on Multidisciplinary Sciences and Engineering 2020-21 & Section Electronic Engineering (EEE))
Open AccessArticle
9 Pages, 739 KB Download PDF

SEA: An UML Profile for Software Evolution Analysis in Design Phase

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1334–1342, 2021; DOI: 10.25046/aj0601153
Abstract:

Software evolution is one of the software process activities that occupies a major percentage of software development cost. Since requirements change continually and new technologies emerge, software should be adapted to satisfy these new changes to continue to survive. Despite software evolution being performed after software validation and deployment, software developers should predict at earlier…

Read More
(This article belongs to the Special Issue on Multidisciplinary Sciences and Engineering 2020-21 & Section Software Engineering in Computer Science (CSE))
Open AccessArticle
7 Pages, 821 KB Download PDF

Evaluation of Personal Solar UV Exposure in a Group of Italian Dockworkers and Fishermen, and Assessment of Changes in Sun Protection Behaviours After a Sun-Safety Training

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1312–1318, 2021; DOI: 10.25046/aj0601150
Abstract:

Solar ultraviolet radiation (UVR) is considered a relevant health risk for the workers of the maritime and port sectors, but scant data are available on actual exposure measured using personal dosimeters. Moreover, in outdoor workers sun protection habits are usually poor, while some promising data suggest that sun-safety campaigns can be effective in increasing self-protection…

Read More
(This article belongs to the Special Issue on Multidisciplinary Sciences and Engineering 2020-21 & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
8 Pages, 817 KB Download PDF

Robust Adaptive Feedforward Sliding Mode Current Controller for Fast-Scale Dynamics of Switching Multicellular Power Converter

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1304–1311, 2021; DOI: 10.25046/aj0601149
Abstract:

Higher efficiency and lower losses are widely considered as the best metrics to optimize, in a high-power converter performance context. To provide a solution to the ever-increase of high switching frequencies challenges, we must explore soft-switching technologies to resolve interface issues and reduce the switching losses. This manuscript describes a comparative analysis between the fixed-bandwidth…

Read More
(This article belongs to the Special Issue on Multidisciplinary Sciences and Engineering 2020-21 & Section Electrical Engineering (ELE))
Open AccessArticle
12 Pages, 1,314 KB Download PDF

Improved Fuzzy Time Series Forecasting Model Based on Optimal Lengths of Intervals Using Hedge Algebras and Particle Swarm Optimization

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1286–1297, 2021; DOI: 10.25046/aj0601147
Abstract:

Recently, numerous scholars have suggested fuzzy time series (FTS) models to forecast many different fields. One of the vital issues for high accurate forecasting in FTS model is method of partitioning in Universe of discourse (UoD). In this research, we propose a novel FTS model, which is established by using hedge algebra (HA) and particle…

Read More
(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
7 Pages, 963 KB Download PDF

Fault Diagnosis and Noise Robustness Comparison of Rotating Machinery using CWT and CNN

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1279–1285, 2021; DOI: 10.25046/aj0601146
Abstract:

For systems using rotating machinery, diagnosing the faults of the rotating machinery is critical for system maintenance. Recently, a machine learning algorithm has been employed as one of the methods for diagnosing the faults of rotating machinery. This algorithm has an advantage of automatically classifying faults without an expert knowledge. However, despite a good training…

Read More
(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
7 Pages, 1,426 KB Download PDF

SIFT Implementation based on LEON3 Processor

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1257–1263, 2021; DOI: 10.25046/aj0601143
Abstract:

This paper proposes a new method of implementation of the part of SIFT (Scale-Invariant Feature Transform) algorithm used to extract the feature of an image of a size 256×256 of pixels, which is mainly based on the using the LEON3 soft core processor .With this method it is possible to detect points of interest and…

Read More
(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
8 Pages, 774 KB Download PDF

Evaluation of Facebook Translation Service (FTS) in Translating Facebook Posts from English into Arabic in Terms of TAUS Adequacy and Fluency during Covid-19

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1241–1248, 2021; DOI: 10.25046/aj0601141
Abstract:

The study aims to verify the capacity of Facebook Translation Service in translating English Facebook posts into Arabic in terms of two criteria: adequacy and fluency in line with the Translation Automation User Society (TAUS) scales. To ensure consistency and objectivity as recommended by TAUS, six evaluators, native speakers of Arabic and near-native speakers of…

Read More
(This article belongs to Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
12 Pages, 1,792 KB Download PDF

Wireless Sensor Networks Simulation Model to Compute Verification Time in Terms of Groups for Massive Crowd

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1229–1240, 2021; DOI: 10.25046/aj0601140
Abstract:

Everyone needs fast response or output against its request or need. Therefore, technologies are used to make the processing fast and accurate according to our needs. But in some situations, still we need to do more. Especially, when we need to process a massive or huge crowd of people in limited time frame such as…

Read More
(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
7 Pages, 688 KB Download PDF

Analysis of the Bolivian Universities Scientific Production

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1222–1228, 2021; DOI: 10.25046/aj0601139
Abstract:

The Bolivian higher education system comprises 59 universities; these institutions have the challenge of increasing their scientific production since it is one of the factors to provide quality education and meet one of the 17 Sustainable Development Goals (SDGs). But currently, the GDP assigned to the research and development (R&D) sector of Bolivia is 0.16%.…

Read More
(This article belongs to Section Multidisciplinary Sciences (MUS))
Open AccessArticle
7 Pages, 699 KB Download PDF

Factors Impacting Digital Payment Adoption: An Empirical Evidence from Smart City of Dubai

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1208–1214, 2021; DOI: 10.25046/aj0601137
Abstract:

The emergence of new digital payment technologies has introduced both opportunities and challenges across all industries. This research aims to examine the significant factors that influence the adoption of new e-payment technologies, specifically in smart cities, as in Dubai. A comprehensive theoretical framework based on several previous studies included the following factors; Perceived Usefulness, Perceived…

Read More
(This article belongs to the Special Issue on Innovation in Computing, Engineering Science & Technology 2021 & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
9 Pages, 1,662 KB Download PDF

Performance Evaluation Reprogrammable Hybrid Fiber-Wireless Router Testbed for Educational Module

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1199–1207, 2021; DOI: 10.25046/aj0601136
Abstract:

Fiber-Wireless (FiWi) network is an integration of fiber optic and wireless connections in the same network. It is one of the best solutions to overcome rapid increment of Internet users and bandwidth-hungry services. To facilitate fundamental knowledge and further understanding on FiWi for students and researchers at the university level, this article proposes the development…

Read More
(This article belongs to the Special Issue on Innovation in Computing, Engineering Science & Technology 2021 & Section Network Engineering (ENW))
1 … 9 10 11 12 13 … 95

Journal Menu

Journal Browser


Special Issues